Rename devices -> device

to match src/include/device

Change-Id: I5d0e5b4361c34881a3b81347aac48738cb5b9af0
Signed-off-by: Stefan Reinauer <reinauer@google.com>
Reviewed-on: http://review.coreboot.org/1960
Tested-by: build bot (Jenkins)
Reviewed-by: David Hendricks <dhendrix@chromium.org>

22 files changed, 0 insertions, 4578 deletions

diff --git a/src/devices/oprom/yabel/Makefile.inc b/src/devices/oprom/yabel/Makefile.inc
deleted file mode 100644
index f05998cba5..0000000000
--- a/src/devices/oprom/yabel/Makefile.inc
+++ /dev/null
@@ -1,9 +0,0 @@
-ramstage-y += biosemu.c
-ramstage-y += debug.c
-ramstage-y += device.c
-ramstage-y += interrupt.c
-ramstage-y += io.c
-ramstage-y += mem.c
-ramstage-y += pmm.c
-ramstage-y += vbe.c
-subdirs-y += compat
diff --git a/src/devices/oprom/yabel/biosemu.c b/src/devices/oprom/yabel/biosemu.c
deleted file mode 100644
index 2a2ca312cb..0000000000
--- a/src/devices/oprom/yabel/biosemu.c
+++ /dev/null
@@ -1,395 +0,0 @@
-/******************************************************************************
- * Copyright (c) 2004, 2008 IBM Corporation
- * Copyright (c) 2008, 2009 Pattrick Hueper <phueper@hueper.net>
- * Copyright (c) 2010 coresystems GmbH
- * All rights reserved.
- * This program and the accompanying materials
- * are made available under the terms of the BSD License
- * which accompanies this distribution, and is available at
- * http://www.opensource.org/licenses/bsd-license.php
- *
- * Contributors:
- *     IBM Corporation - initial implementation
- *****************************************************************************/
-
-#include <string.h>
-#include <types.h>
-
-#include "debug.h"
-
-#include <x86emu/x86emu.h>
-#include <x86emu/regs.h>
-#include "../x86emu/prim_ops.h"
-
-#include "biosemu.h"
-#include "io.h"
-#include "mem.h"
-#include "interrupt.h"
-#include "device.h"
-#include "pmm.h"
-
-#include <device/device.h>
-#include "compat/rtas.h"
-
-static X86EMU_memFuncs my_mem_funcs = {
-	my_rdb, my_rdw, my_rdl,
-	my_wrb, my_wrw, my_wrl
-};
-
-static X86EMU_pioFuncs my_pio_funcs = {
-	my_inb, my_inw, my_inl,
-	my_outb, my_outw, my_outl
-};
-
-/* interrupt function override array (see biosemu.h) */
-yabel_handleIntFunc yabel_intFuncArray[256];
-
-void
-mainboard_interrupt_handlers(int interrupt, yabel_handleIntFunc func)
-{
-	yabel_intFuncArray[interrupt] = func;
-}
-
-/* main entry into YABEL biosemu, arguments are:
- * *biosmem = pointer to virtual memory
- * biosmem_size = size of the virtual memory
- * *dev = pointer to the device to be initialised
- * rom_addr = address of the OptionROM to be executed, if this is = 0, YABEL
- * 	will look for an ExpansionROM BAR and use the code from there.
- */
-u32
-biosemu(u8 *biosmem, u32 biosmem_size, struct device * dev, unsigned long rom_addr)
-{
-	u8 *rom_image;
-	int i = 0;
-#if CONFIG_X86EMU_DEBUG
-	debug_flags = 0;
-#if CONFIG_X86EMU_DEBUG_JMP
-	debug_flags |= DEBUG_JMP;
-#endif
-#if CONFIG_X86EMU_DEBUG_TRACE
-	debug_flags |= DEBUG_TRACE_X86EMU;
-#endif
-#if CONFIG_X86EMU_DEBUG_PNP
-	debug_flags |= DEBUG_PNP;
-#endif
-#if CONFIG_X86EMU_DEBUG_DISK
-	debug_flags |= DEBUG_DISK;
-#endif
-#if CONFIG_X86EMU_DEBUG_PMM
-	debug_flags |= DEBUG_PMM;
-#endif
-#if CONFIG_X86EMU_DEBUG_VBE
-	debug_flags |= DEBUG_VBE;
-#endif
-#if CONFIG_X86EMU_DEBUG_INT10
-	debug_flags |= DEBUG_PRINT_INT10;
-#endif
-#if CONFIG_X86EMU_DEBUG_INTERRUPTS
-	debug_flags |= DEBUG_INTR;
-#endif
-#if CONFIG_X86EMU_DEBUG_CHECK_VMEM_ACCESS
-	debug_flags |= DEBUG_CHECK_VMEM_ACCESS;
-#endif
-#if CONFIG_X86EMU_DEBUG_MEM
-	debug_flags |= DEBUG_MEM;
-#endif
-#if CONFIG_X86EMU_DEBUG_IO
-	debug_flags |= DEBUG_IO;
-#endif
-
-#endif
-	if (biosmem_size < MIN_REQUIRED_VMEM_SIZE) {
-		printf("Error: Not enough virtual memory: %x, required: %x!\n",
-		       biosmem_size, MIN_REQUIRED_VMEM_SIZE);
-		return -1;
-	}
-	if (biosemu_dev_init(dev) != 0) {
-		printf("Error initializing device!\n");
-		return -1;
-	}
-	if (biosemu_dev_check_exprom(rom_addr) != 0) {
-		printf("Error: Device Expansion ROM invalid!\n");
-		return -1;
-	}
-	biosemu_add_special_memory(0, 0x500); // IVT + BDA
-	biosemu_add_special_memory(OPTION_ROM_CODE_SEGMENT << 4, 0x10000); // option ROM
-
-	rom_image = (u8 *) bios_device.img_addr;
-	DEBUG_PRINTF("executing rom_image from %p\n", rom_image);
-	DEBUG_PRINTF("biosmem at %p\n", biosmem);
-
-	DEBUG_PRINTF("Image Size: %d\n", bios_device.img_size);
-
-	// in case we jump somewhere unexpected, or execution is finished,
-	// fill the biosmem with hlt instructions (0xf4)
-	// But we have to be careful: If biosmem is 0x00000000 we're running
-	// in the lower 1MB and we must not wipe memory like that.
-	if (biosmem) {
-		DEBUG_PRINTF("Clearing biosmem\n");
-		memset(biosmem, 0xf4, biosmem_size);
-	}
-
-	X86EMU_setMemBase(biosmem, biosmem_size);
-
-	DEBUG_PRINTF("membase set: %08x, size: %08x\n", (int) M.mem_base,
-		     (int) M.mem_size);
-
-	// copy expansion ROM image to segment OPTION_ROM_CODE_SEGMENT
-	// NOTE: this sometimes fails, some bytes are 0x00... so we compare
-	// after copying and do some retries...
-	u8 *mem_img = (u8*)(OPTION_ROM_CODE_SEGMENT << 4);
-	u8 copy_count = 0;
-	u8 cmp_result = 0;
-	do {
-#if 0
-		set_ci();
-		memcpy(mem_img, rom_image, len);
-		clr_ci();
-#else
-		// memcpy fails... try copy byte-by-byte with set/clr_ci
-		u8 c;
-		for (i = 0; i < bios_device.img_size; i++) {
-			set_ci();
-			c = *(rom_image + i);
-			if (c != *(rom_image + i)) {
-				clr_ci();
-				printf("Copy failed at: %x/%x\n", i,
-				       bios_device.img_size);
-				printf("rom_image(%x): %x, mem_img(%x): %x\n",
-				       i, *(rom_image + i), i, *(mem_img + i));
-				break;
-			}
-			clr_ci();
-			my_wrb((u32)mem_img + i, c);
-		}
-#endif
-		copy_count++;
-		set_ci();
-		cmp_result = memcmp(mem_img, rom_image, bios_device.img_size);
-		clr_ci();
-	}
-	while ((copy_count < 5) && (cmp_result != 0));
-	if (cmp_result != 0) {
-		printf
-		    ("\nCopying Expansion ROM Image to Memory failed after %d retries! (%x)\n",
-		     copy_count, cmp_result);
-		dump(rom_image, 0x20);
-		dump(mem_img, 0x20);
-		return 0;
-	}
-	// setup default Interrupt Vectors
-	// some expansion ROMs seem to check for these addresses..
-	// each handler is only an IRET (0xCF) instruction
-	// ROM BIOS Int 10 Handler F000:F065
-	my_wrl(0x10 * 4, 0xf000f065);
-	my_wrb(0x000ff065, 0xcf);
-	// ROM BIOS Int 11 Handler F000:F84D
-	my_wrl(0x11 * 4, 0xf000f84d);
-	my_wrb(0x000ff84d, 0xcf);
-	// ROM BIOS Int 12 Handler F000:F841
-	my_wrl(0x12 * 4, 0xf000f841);
-	my_wrb(0x000ff841, 0xcf);
-	// ROM BIOS Int 13 Handler F000:EC59
-	my_wrl(0x13 * 4, 0xf000ec59);
-	my_wrb(0x000fec59, 0xcf);
-	// ROM BIOS Int 14 Handler F000:E739
-	my_wrl(0x14 * 4, 0xf000e739);
-	my_wrb(0x000fe739, 0xcf);
-	// ROM BIOS Int 15 Handler F000:F859
-	my_wrl(0x15 * 4, 0xf000f859);
-	my_wrb(0x000ff859, 0xcf);
-	// ROM BIOS Int 16 Handler F000:E82E
-	my_wrl(0x16 * 4, 0xf000e82e);
-	my_wrb(0x000fe82e, 0xcf);
-	// ROM BIOS Int 17 Handler F000:EFD2
-	my_wrl(0x17 * 4, 0xf000efd2);
-	my_wrb(0x000fefd2, 0xcf);
-	// ROM BIOS Int 1A Handler F000:FE6E
-	my_wrl(0x1a * 4, 0xf000fe6e);
-	my_wrb(0x000ffe6e, 0xcf);
-
-	// setup BIOS Data Area (0000:04xx, or 0040:00xx)
-	// we currently 0 this area, meaning "we dont have
-	// any hardware" :-) no serial/parallel ports, floppys, ...
-	memset(biosmem + 0x400, 0x0, 0x100);
-
-	// at offset 13h in BDA is the memory size in kbytes
-	my_wrw(0x413, biosmem_size / 1024);
-	// at offset 0eh in BDA is the segment of the Extended BIOS Data Area
-	// see setup further down
-	my_wrw(0x40e, INITIAL_EBDA_SEGMENT);
-	// TODO: setup BDA Video Data ( offset 49h-66h)
-	// e.g. to store video mode, cursor position, ...
-	// in int10 (done) handler and VBE Functions
-
-	// TODO: setup BDA Fixed Disk Data
-	// 74h: Fixed Disk Last Operation Status
-	// 75h: Fixed Disk Number of Disk Drives
-
-	// TODO: check BDA for further needed data...
-
-	//setup Extended BIOS Data Area
-	//we currently 0 this area
-	memset(biosmem + (INITIAL_EBDA_SEGMENT << 4), 0, INITIAL_EBDA_SIZE);
-	// at offset 0h in EBDA is the size of the EBDA in KB
-	my_wrw((INITIAL_EBDA_SEGMENT << 4) + 0x0, INITIAL_EBDA_SIZE / 1024);
-	//TODO: check for further needed EBDA data...
-
-	// setup  original ROM BIOS Area (F000:xxxx)
-	const char *date = "06/11/99";
-	for (i = 0; date[i]; i++)
-		my_wrb(0xffff5 + i, date[i]);
-	// set up eisa ident string
-	const char *ident = "PCI_ISA";
-	for (i = 0; ident[i]; i++)
-		my_wrb(0xfffd9 + i, ident[i]);
-
-	// write system model id for IBM-AT
-	// according to "Ralf Browns Interrupt List" Int15 AH=C0 Table 515,
-	// model FC is the original AT and also used in all DOSEMU Versions.
-	my_wrb(0xFFFFE, 0xfc);
-
-	//setup interrupt handler
-	X86EMU_intrFuncs intrFuncs[256];
-	for (i = 0; i < 256; i++)
-		intrFuncs[i] = handleInterrupt;
-	X86EMU_setupIntrFuncs(intrFuncs);
-	X86EMU_setupPioFuncs(&my_pio_funcs);
-	X86EMU_setupMemFuncs(&my_mem_funcs);
-
-	//setup PMM struct in BIOS_DATA_SEGMENT, offset 0x0
-	u8 pmm_length = pmm_setup(BIOS_DATA_SEGMENT, 0x0);
-	if (pmm_length <= 0) {
-		printf ("\nYABEL: Warning: PMM Area could not be setup. PMM not available (%x)\n",
-		     pmm_length);
-		return 0;
-	} else {
-		CHECK_DBG(DEBUG_PMM) {
-			/* test the PMM */
-			pmm_test();
-			/* and clean it again by calling pmm_setup... */
-			pmm_length = pmm_setup(BIOS_DATA_SEGMENT, 0x0);
-		}
-	}
-	// setup the CPU
-	M.x86.R_AH = bios_device.bus;
-	M.x86.R_AL = bios_device.devfn;
-	M.x86.R_DX = 0x80;
-	M.x86.R_EIP = 3;
-	M.x86.R_CS = OPTION_ROM_CODE_SEGMENT;
-
-	// Initialize stack and data segment
-	M.x86.R_SS = STACK_SEGMENT;
-	M.x86.R_SP = STACK_START_OFFSET;
-	M.x86.R_DS = DATA_SEGMENT;
-
-	// push a HLT instruction and a pointer to it onto the stack
-	// any return will pop the pointer and jump to the HLT, thus
-	// exiting (more or less) cleanly
-	push_word(0xf4f4);	// F4=HLT
-	push_word(M.x86.R_SS);
-	push_word(M.x86.R_SP + 2);
-
-	CHECK_DBG(DEBUG_TRACE_X86EMU) {
-		X86EMU_trace_on();
-#if 0
-	} else {
-		M.x86.debug |= DEBUG_SAVE_IP_CS_F;
-		M.x86.debug |= DEBUG_DECODE_F;
-		M.x86.debug |= DEBUG_DECODE_NOPRINT_F;
-#endif
-	}
-	CHECK_DBG(DEBUG_JMP) {
-		M.x86.debug |= DEBUG_TRACEJMP_F;
-		M.x86.debug |= DEBUG_TRACEJMP_REGS_F;
-		M.x86.debug |= DEBUG_TRACECALL_F;
-		M.x86.debug |= DEBUG_TRACECALL_REGS_F;
-	}
-
-	DEBUG_PRINTF("Executing Initialization Vector...\n");
-	X86EMU_exec();
-	DEBUG_PRINTF("done\n");
-
-	/* According to the PNP BIOS Spec, Option ROMs should upon exit, return
-	 * some boot device status in AX (see PNP BIOS Spec Section 3.3
-	 */
-	DEBUG_PRINTF_CS_IP("Option ROM Exit Status: %04x\n", M.x86.R_AX);
-#if CONFIG_X86EMU_DEBUG
-	DEBUG_PRINTF("Exit Status Decode:\n");
-	if (M.x86.R_AX & 0x100) {	// bit 8
-		DEBUG_PRINTF
-		    ("  IPL Device supporting INT 13h Block Device Format:\n");
-		switch (((M.x86.R_AX >> 4) & 0x3)) {	// bits 5:4
-		case 0:
-			DEBUG_PRINTF("    No IPL Device attached\n");
-			break;
-		case 1:
-			DEBUG_PRINTF("    IPL Device status unknown\n");
-			break;
-		case 2:
-			DEBUG_PRINTF("    IPL Device attached\n");
-			break;
-		case 3:
-			DEBUG_PRINTF("    IPL Device status RESERVED!!\n");
-			break;
-		}
-	}
-	if (M.x86.R_AX & 0x80) {	// bit 7
-		DEBUG_PRINTF
-		    ("  Output Device supporting INT 10h Character Output:\n");
-		switch (((M.x86.R_AX >> 4) & 0x3)) {	// bits 5:4
-		case 0:
-			DEBUG_PRINTF("    No Display Device attached\n");
-			break;
-		case 1:
-			DEBUG_PRINTF("    Display Device status unknown\n");
-			break;
-		case 2:
-			DEBUG_PRINTF("    Display Device attached\n");
-			break;
-		case 3:
-			DEBUG_PRINTF("    Display Device status RESERVED!!\n");
-			break;
-		}
-	}
-	if (M.x86.R_AX & 0x40) {	// bit 6
-		DEBUG_PRINTF
-		    ("  Input Device supporting INT 9h Character Input:\n");
-		switch (((M.x86.R_AX >> 4) & 0x3)) {	// bits 5:4
-		case 0:
-			DEBUG_PRINTF("    No Input Device attached\n");
-			break;
-		case 1:
-			DEBUG_PRINTF("    Input Device status unknown\n");
-			break;
-		case 2:
-			DEBUG_PRINTF("    Input Device attached\n");
-			break;
-		case 3:
-			DEBUG_PRINTF("    Input Device status RESERVED!!\n");
-			break;
-		}
-	}
-#endif
-	/* Check whether the stack is "clean" i.e. containing the HLT
-	 * instruction we pushed before executing and pointing to the original
-	 * stack address... indicating that the initialization probably was
-	 * successful
-	 */
-	if ((pop_word() == 0xf4f4) && (M.x86.R_SS == STACK_SEGMENT)
-	    && (M.x86.R_SP == STACK_START_OFFSET)) {
-		DEBUG_PRINTF("Stack is clean, initialization successfull!\n");
-	} else {
-		printf("Stack unclean, initialization probably NOT COMPLETE!\n");
-		DEBUG_PRINTF("SS:SP = %04x:%04x, expected: %04x:%04x\n",
-			     M.x86.R_SS, M.x86.R_SP, STACK_SEGMENT,
-			     STACK_START_OFFSET);
-	}
-
-	// TODO: according to the BIOS Boot Spec initializations may be ended using INT18h and setting
-	// the status.
-	// We need to implement INT18 accordingly, pseudo code is in specsbbs101.pdf page 30
-	// (also for Int19)
-	return 0;
-}
diff --git a/src/devices/oprom/yabel/biosemu.h b/src/devices/oprom/yabel/biosemu.h
deleted file mode 100644
index 4f5c4aaa5b..0000000000
--- a/src/devices/oprom/yabel/biosemu.h
+++ /dev/null
@@ -1,53 +0,0 @@
-/******************************************************************************
- * Copyright (c) 2004, 2008 IBM Corporation
- * Copyright (c) 2009 Pattrick Hueper <phueper@hueper.net>
- * All rights reserved.
- * This program and the accompanying materials
- * are made available under the terms of the BSD License
- * which accompanies this distribution, and is available at
- * http://www.opensource.org/licenses/bsd-license.php
- *
- * Contributors:
- *     IBM Corporation - initial implementation
- *****************************************************************************/
-
-#ifndef _BIOSEMU_BIOSEMU_H_
-#define _BIOSEMU_BIOSEMU_H_
-
-#define MIN_REQUIRED_VMEM_SIZE 0x100000	// 1MB
-
-//define default segments for different components
-#define STACK_SEGMENT 0x1000	//1000:xxxx
-#define STACK_START_OFFSET 0xfffe
-
-#define DATA_SEGMENT 0x2000
-#define VBE_SEGMENT 0x3000
-
-#define PMM_CONV_SEGMENT 0x4000	// 4000:xxxx is PMM conventional memory area, extended memory area
-				// will be anything beyound MIN_REQUIRED_MEMORY_SIZE
-#define PNP_DATA_SEGMENT 0x5000
-
-#define OPTION_ROM_CODE_SEGMENT 0xc000
-
-#define BIOS_DATA_SEGMENT 0xF000
-// both EBDA values are _initial_ values, they may (and will be) changed at runtime by option ROMs!!
-#define INITIAL_EBDA_SEGMENT 0xF600	// segment of the Extended BIOS Data Area
-#define INITIAL_EBDA_SIZE 0x400	// size of the EBDA (at least 1KB!! since size is stored in KB!)
-
-#define PMM_INT_NUM 0xFC	// we misuse INT FC for PMM functionality, at the PMM Entry Point
-				// Address, there will only be a call to this INT and a RETF
-#define PNP_INT_NUM 0xFD
-
-/* array of funtion pointers to override generic interrupt handlers
- * a YABEL caller can add functions to this array before calling YABEL
- * if a interrupt occurs, YABEL checks wether a function is set in
- * this array and only runs the generic interrupt handler code, if
- * the function pointer is NULL */
-typedef int (* yabel_handleIntFunc)(void);
-extern yabel_handleIntFunc yabel_intFuncArray[256];
-void mainboard_interrupt_handlers(int, yabel_handleIntFunc);
-
-struct device;
-
-u32 biosemu(u8 *biosmem, u32 biosmem_size, struct device *dev, unsigned long rom_addr);
-#endif
diff --git a/src/devices/oprom/yabel/compat/Makefile.inc b/src/devices/oprom/yabel/compat/Makefile.inc
deleted file mode 100644
index 8121c8b461..0000000000
--- a/src/devices/oprom/yabel/compat/Makefile.inc
+++ /dev/null
@@ -1 +0,0 @@
-ramstage-y += functions.c
diff --git a/src/devices/oprom/yabel/compat/functions.c b/src/devices/oprom/yabel/compat/functions.c
deleted file mode 100644
index 542c81f315..0000000000
--- a/src/devices/oprom/yabel/compat/functions.c
+++ /dev/null
@@ -1,59 +0,0 @@
-/****************************************************************************
- * YABEL BIOS Emulator
- *
- * This program and the accompanying materials
- * are made available under the terms of the BSD License
- * which accompanies this distribution, and is available at
- * http://www.opensource.org/licenses/bsd-license.php
- *
- * Copyright (c) 2008 Pattrick Hueper <phueper@hueper.net>
- ****************************************************************************/
-
-/* this file contains functions provided by SLOF, that the current biosemu implementation needs
- * they should go away  inthe future...
- */
-
-#include <types.h>
-#include <string.h>
-#include <device/device.h>
-#include "../debug.h"
-#include "../biosemu.h"
-#include "../vbe.h"
-#include "../compat/time.h"
-
-#define VMEM_SIZE (1024 * 1024) /* 1 MB */
-
-#if !CONFIG_YABEL_DIRECTHW
-#if CONFIG_YABEL_VIRTMEM_LOCATION
-u8* vmem = (u8 *) CONFIG_YABEL_VIRTMEM_LOCATION;
-#else
-u8* vmem = (u8 *) (16*1024*1024); /* default to 16MB */
-#endif
-#else
-u8* vmem = NULL;
-#endif
-
-void run_bios(struct device * dev, unsigned long addr)
-{
-
-	biosemu(vmem, VMEM_SIZE, dev, addr);
-
-#if CONFIG_FRAMEBUFFER_SET_VESA_MODE
-	vbe_set_graphics();
-#endif
-}
-
-unsigned long tb_freq = 0;
-
-u64 get_time(void)
-{
-    u64 act;
-    u32 eax, edx;
-
-    __asm__ __volatile__(
-	"rdtsc"
-        : "=a"(eax), "=d"(edx)
-        : /* no inputs, no clobber */);
-    act = ((u64) edx << 32) | eax;
-    return act;
-}
diff --git a/src/devices/oprom/yabel/compat/of.h b/src/devices/oprom/yabel/compat/of.h
deleted file mode 100644
index 6a00f7a316..0000000000
--- a/src/devices/oprom/yabel/compat/of.h
+++ /dev/null
@@ -1,55 +0,0 @@
-/******************************************************************************
- * Copyright (c) 2004, 2008 IBM Corporation
- * All rights reserved.
- * This program and the accompanying materials
- * are made available under the terms of the BSD License
- * which accompanies this distribution, and is available at
- * http://www.opensource.org/licenses/bsd-license.php
- *
- * Contributors:
- *     IBM Corporation - initial implementation
- *****************************************************************************/
-
-
-#ifndef OF_H
-#define OF_H
-#define p32 int
-#define p32cast (int) (unsigned long) (void*)
-
-#define phandle_t p32
-#define ihandle_t p32
-
-typedef struct
-{
-    unsigned int serv;
-    int nargs;
-    int nrets;
-    unsigned int args[16];
-} of_arg_t;
-
-
-phandle_t of_finddevice (const char *);
-phandle_t of_peer (phandle_t);
-phandle_t of_child (phandle_t);
-phandle_t of_parent (phandle_t);
-int of_getprop (phandle_t, const char *, void *, int);
-void * of_call_method_3 (const char *, ihandle_t, int);
-
-
-ihandle_t of_open (const char *);
-void of_close(ihandle_t);
-int of_read (ihandle_t , void*, int);
-int of_write (ihandle_t, void*, int);
-int of_seek (ihandle_t, int, int);
-
-void * of_claim(void *, unsigned int , unsigned int );
-void of_release(void *, unsigned int );
-
-int of_yield(void);
-void * of_set_callback(void *);
-
-int vpd_read(unsigned int , unsigned int , char *);
-int vpd_write(unsigned int , unsigned int , char *);
-int write_mm_log(char *, unsigned int , unsigned short );
-
-#endif
diff --git a/src/devices/oprom/yabel/compat/rtas.h b/src/devices/oprom/yabel/compat/rtas.h
deleted file mode 100644
index 25cabf4d6a..0000000000
--- a/src/devices/oprom/yabel/compat/rtas.h
+++ /dev/null
@@ -1,45 +0,0 @@
-/******************************************************************************
- * Copyright (c) 2004, 2008 IBM Corporation
- * All rights reserved.
- * This program and the accompanying materials
- * are made available under the terms of the BSD License
- * which accompanies this distribution, and is available at
- * http://www.opensource.org/licenses/bsd-license.php
- *
- * Contributors:
- *     IBM Corporation - initial implementation
- *****************************************************************************/
-
-
-#ifndef RTAS_H
-#define RTAS_H
-
-#include "of.h"
-
-typedef struct dtime {
-        unsigned int year;
-        unsigned int month;
-        unsigned int day;
-        unsigned int hour;
-        unsigned int minute;
-        unsigned int second;
-        unsigned int nano;
-} dtime;
-
-typedef void (*thread_t) (int);
-
-int rtas_token(const char *);
-int rtas_call(int, int, int, int *, ...);
-void rtas_init(void);
-int rtas_pci_config_read (long long, int, int, int, int);
-int rtas_pci_config_write (long long, int, int, int, int, int);
-int rtas_set_time_of_day(dtime *);
-int rtas_get_time_of_day(dtime *);
-int rtas_ibm_update_flash_64(long long, long long);
-int rtas_ibm_update_flash_64_and_reboot(long long, long long);
-int rtas_system_reboot(void);
-int rtas_start_cpu (int, thread_t, int);
-int rtas_stop_self (void);
-int rtas_ibm_manage_flash(int);
-
-#endif
diff --git a/src/devices/oprom/yabel/compat/time.h b/src/devices/oprom/yabel/compat/time.h
deleted file mode 100644
index 18dba3aa85..0000000000
--- a/src/devices/oprom/yabel/compat/time.h
+++ /dev/null
@@ -1,18 +0,0 @@
-/****************************************************************************
- * YABEL BIOS Emulator
- *
- * This program and the accompanying materials
- * are made available under the terms of the BSD License
- * which accompanies this distribution, and is available at
- * http://www.opensource.org/licenses/bsd-license.php
- *
- * Copyright (c) 2008 Pattrick Hueper <phueper@hueper.net>
- ****************************************************************************/
-
-#ifndef _BIOSEMU_COMPAT_TIME_H
-#define _BIOSEMU_COMPAT_TIME_H
-
-/* TODO: check how this works in x86 */
-extern unsigned long tb_freq;
-u64 get_time(void);
-#endif
diff --git a/src/devices/oprom/yabel/debug.c b/src/devices/oprom/yabel/debug.c
deleted file mode 100644
index 7cda8af0b1..0000000000
--- a/src/devices/oprom/yabel/debug.c
+++ /dev/null
@@ -1,54 +0,0 @@
-/******************************************************************************
- * Copyright (c) 2004, 2008 IBM Corporation
- * Copyright (c) 2008, 2009 Pattrick Hueper <phueper@hueper.net>
- * All rights reserved.
- * This program and the accompanying materials
- * are made available under the terms of the BSD License
- * which accompanies this distribution, and is available at
- * http://www.opensource.org/licenses/bsd-license.php
- *
- * Contributors:
- *     IBM Corporation - initial implementation
- *****************************************************************************/
-
-#include "debug.h"
-
-u32 debug_flags = 0;
-
-void
-dump(u8 * addr, u32 len)
-{
-	printf("\n%s(%p, %x):\n", __func__, addr, len);
-	while (len) {
-		unsigned int tmpCnt = len;
-		unsigned char x;
-		if (tmpCnt > 8)
-			tmpCnt = 8;
-		printf("\n%p: ", addr);
-		// print hex
-		while (tmpCnt--) {
-			set_ci();
-			x = *addr++;
-			clr_ci();
-			printf("%02x ", x);
-		}
-		tmpCnt = len;
-		if (tmpCnt > 8)
-			tmpCnt = 8;
-		len -= tmpCnt;
-		//reset addr ptr to print ascii
-		addr = addr - tmpCnt;
-		// print ascii
-		while (tmpCnt--) {
-			set_ci();
-			x = *addr++;
-			clr_ci();
-			if ((x < 32) || (x >= 127)) {
-				//non-printable char
-				x = '.';
-			}
-			printf("%c", x);
-		}
-	}
-	printf("\n");
-}
diff --git a/src/devices/oprom/yabel/debug.h b/src/devices/oprom/yabel/debug.h
deleted file mode 100644
index 9361553da7..0000000000
--- a/src/devices/oprom/yabel/debug.h
+++ /dev/null
@@ -1,105 +0,0 @@
-/******************************************************************************
- * Copyright (c) 2004, 2008 IBM Corporation
- * Copyright (c) 2009 Pattrick Hueper <phueper@hueper.net>
- * All rights reserved.
- * This program and the accompanying materials
- * are made available under the terms of the BSD License
- * which accompanies this distribution, and is available at
- * http://www.opensource.org/licenses/bsd-license.php
- *
- * Contributors:
- *     IBM Corporation - initial implementation
- *****************************************************************************/
-#ifndef _BIOSEMU_DEBUG_H_
-#define _BIOSEMU_DEBUG_H_
-
-#include <types.h>
-
-extern u32 debug_flags;
-// from x86emu...needed for debugging
-extern void x86emu_dump_xregs(void);
-
-/* printf is not available in coreboot... use printk */
-#include <console/console.h>
-#include "x86emu/x86emu.h"
-#define printf(x...) printk(BIOS_DEBUG, x)
-
-/* PH: empty versions of set/clr_ci
- * TODO: remove! */
-static inline void clr_ci(void) {};
-static inline void set_ci(void) {};
-
-/* debug_flags is a binary switch that allows you to select the following items
- * to debug. 1=on 0=off. After you decide what you want to debug create the
- * binary value, convert to hex and set the option. These options can be
- * selected in Kconfig.
- *
- * |-DEBUG_JMP - print info about JMP and RETF opcodes from x86emu
- * ||-DEBUG_TRACE_X86EMU - print _all_ opcodes that are executed by x86emu (WARNING: this will produce a LOT of output)
- * |||-Currently unused
- * ||||-Currently unused
- * |||||-Currently unused
- * ||||||-DEBUG_PNP - Print Plug And Play access made by option rom
- * |||||||-DEBUG_DISK - Print Disk I/O related messages, currently unused
- * ||||||||-DEBUG_PMM - Print messages related to POST Memory Manager (PMM)
- * |||||||||-DEBUG_VBE - Print messages related to VESA BIOS Extension (VBE) functions
- * ||||||||||-DEBUG_PRINT_INT10 - let INT10 (i.e. character output) calls print messages to Debug output
- * |||||||||||-DEBUG_INTR - Print messages related to interrupt handling
- * ||||||||||||-DEBUG_CHECK_VMEM_ACCESS - Print messages related to accesse to certain areas of the virtual Memory (e.g. BDA (BIOS Data Area) or Interrupt Vectors)
- * |||||||||||||-DEBUG_MEM - Print memory access made by option rom (NOTE: this also includes accesses to fetch instructions)
- * ||||||||||||||-DEBUG_IO - Print I/O access made by option rom
- * 11000111111111 - Max Binary Value, Debug All (WARNING: - This could run for hours)
- */
-
-#define DEBUG_IO 0x1
-#define DEBUG_MEM 0x2
-// set this to print messages for certain virtual memory accesses (Interrupt Vectors, ...)
-#define DEBUG_CHECK_VMEM_ACCESS 0x4
-#define DEBUG_INTR 0x8
-#define DEBUG_PRINT_INT10 0x10	// set to have the INT10 routine print characters
-#define DEBUG_VBE 0x20
-#define DEBUG_PMM 0x40
-#define DEBUG_DISK 0x80
-#define DEBUG_PNP 0x100
-
-#define DEBUG_TRACE_X86EMU 0x1000
-// set to enable tracing of JMPs in x86emu
-#define DEBUG_JMP 0x2000
-
-#if CONFIG_X86EMU_DEBUG
-
-#define CHECK_DBG(_flag) if (debug_flags & _flag)
-
-#define DEBUG_PRINTF(_x...) printf(_x);
-// prints the CS:IP before the printout, NOTE: actually its CS:IP of the _next_ instruction
-// to be executed, since the x86emu advances CS:IP _before_ actually executing an instruction
-#define DEBUG_PRINTF_CS_IP(_x...) DEBUG_PRINTF("%x:%x ", M.x86.R_CS, M.x86.R_IP); DEBUG_PRINTF(_x);
-
-#define DEBUG_PRINTF_IO(_x...) CHECK_DBG(DEBUG_IO) { DEBUG_PRINTF_CS_IP(_x) }
-#define DEBUG_PRINTF_MEM(_x...) CHECK_DBG(DEBUG_MEM) { DEBUG_PRINTF_CS_IP(_x) }
-#define DEBUG_PRINTF_INTR(_x...) CHECK_DBG(DEBUG_INTR) { DEBUG_PRINTF_CS_IP(_x) }
-#define DEBUG_PRINTF_VBE(_x...) CHECK_DBG(DEBUG_VBE) { DEBUG_PRINTF_CS_IP(_x) }
-#define DEBUG_PRINTF_PMM(_x...) CHECK_DBG(DEBUG_PMM) { DEBUG_PRINTF_CS_IP(_x) }
-#define DEBUG_PRINTF_DISK(_x...) CHECK_DBG(DEBUG_DISK) { DEBUG_PRINTF_CS_IP(_x) }
-#define DEBUG_PRINTF_PNP(_x...) CHECK_DBG(DEBUG_PNP) { DEBUG_PRINTF_CS_IP(_x) }
-
-#else
-
-#define CHECK_DBG(_flag) if (0)
-
-#define DEBUG_PRINTF(_x...)
-#define DEBUG_PRINTF_CS_IP(_x...)
-
-#define DEBUG_PRINTF_IO(_x...)
-#define DEBUG_PRINTF_MEM(_x...)
-#define DEBUG_PRINTF_INTR(_x...)
-#define DEBUG_PRINTF_VBE(_x...)
-#define DEBUG_PRINTF_PMM(_x...)
-#define DEBUG_PRINTF_DISK(_x...)
-#define DEBUG_PRINTF_PNP(_x...)
-
-#endif				//DEBUG
-
-void dump(u8 * addr, u32 len);
-
-#endif
diff --git a/src/devices/oprom/yabel/device.c b/src/devices/oprom/yabel/device.c
deleted file mode 100644
index b09f50e4ac..0000000000
--- a/src/devices/oprom/yabel/device.c
+++ /dev/null
@@ -1,471 +0,0 @@
-/******************************************************************************
- * Copyright (c) 2004, 2008 IBM Corporation
- * Copyright (c) 2008, 2009 Pattrick Hueper <phueper@hueper.net>
- * All rights reserved.
- * This program and the accompanying materials
- * are made available under the terms of the BSD License
- * which accompanies this distribution, and is available at
- * http://www.opensource.org/licenses/bsd-license.php
- *
- * Contributors:
- *     IBM Corporation - initial implementation
- *****************************************************************************/
-
-
-#include "device.h"
-#include "compat/rtas.h"
-#include <string.h>
-#include "debug.h"
-
-#include <device/device.h>
-#include <device/pci.h>
-#include <device/pci_ops.h>
-#include <device/resource.h>
-
-/* the device we are working with... */
-biosemu_device_t bios_device;
-//max. 6 BARs and 1 Exp.ROM plus CfgSpace and 3 legacy ranges, plus 2 "special" memory ranges
-translate_address_t translate_address_array[13];
-u8 taa_last_entry;
-
-typedef struct {
-	u8 info;
-	u8 bus;
-	u8 devfn;
-	u8 cfg_space_offset;
-	u64 address;
-	u64 size;
-} __attribute__ ((__packed__)) assigned_address_t;
-
-#if CONFIG_PCI_OPTION_ROM_RUN_YABEL
-/* coreboot version */
-
-static void
-biosemu_dev_get_addr_info(void)
-{
-	int taa_index = 0;
-	struct resource *r;
-	u8 bus = bios_device.dev->bus->secondary;
-	u16 devfn = bios_device.dev->path.pci.devfn;
-
-	bios_device.bus =  bus;
-	bios_device.devfn = devfn;
-
-	DEBUG_PRINTF("bus: %x, devfn: %x\n", bus, devfn);
-	for (r = bios_device.dev->resource_list; r; r = r->next) {
-		translate_address_array[taa_index].info = r->flags;
-		translate_address_array[taa_index].bus = bus;
-		translate_address_array[taa_index].devfn = devfn;
-		translate_address_array[taa_index].cfg_space_offset =
-		    r->index;
-		translate_address_array[taa_index].address = r->base;
-		translate_address_array[taa_index].size = r->size;
-		/* dont translate addresses... all addresses are 1:1 */
-		translate_address_array[taa_index].address_offset = 0;
-		taa_index++;
-	}
-	/* Expansion ROM */
-	translate_address_array[taa_index].info = IORESOURCE_MEM | IORESOURCE_READONLY;
-	translate_address_array[taa_index].bus = bus;
-	translate_address_array[taa_index].devfn = devfn;
-	translate_address_array[taa_index].cfg_space_offset = 0x30;
-	translate_address_array[taa_index].address = bios_device.img_addr;
-	translate_address_array[taa_index].size = 0; /* TODO: do we need the size? */
-	/* dont translate addresses... all addresses are 1:1 */
-	translate_address_array[taa_index].address_offset = 0;
-	taa_index++;
-	/* legacy ranges if its a VGA card... */
-	if ((bios_device.dev->class & 0xFF0000) == 0x030000) {
-		DEBUG_PRINTF("%s: VGA device found, adding legacy resources... \n", __func__);
-		/* I/O 0x3B0-0x3BB */
-		translate_address_array[taa_index].info = IORESOURCE_FIXED | IORESOURCE_IO;
-		translate_address_array[taa_index].bus = bus;
-		translate_address_array[taa_index].devfn = devfn;
-		translate_address_array[taa_index].cfg_space_offset = 0;
-		translate_address_array[taa_index].address = 0x3b0;
-		translate_address_array[taa_index].size = 0xc;
-		/* dont translate addresses... all addresses are 1:1 */
-		translate_address_array[taa_index].address_offset = 0;
-		taa_index++;
-		/* I/O 0x3C0-0x3DF */
-		translate_address_array[taa_index].info = IORESOURCE_FIXED | IORESOURCE_IO;
-		translate_address_array[taa_index].bus = bus;
-		translate_address_array[taa_index].devfn = devfn;
-		translate_address_array[taa_index].cfg_space_offset = 0;
-		translate_address_array[taa_index].address = 0x3c0;
-		translate_address_array[taa_index].size = 0x20;
-		/* dont translate addresses... all addresses are 1:1 */
-		translate_address_array[taa_index].address_offset = 0;
-		taa_index++;
-		/* Mem 0xA0000-0xBFFFF */
-		translate_address_array[taa_index].info = IORESOURCE_FIXED | IORESOURCE_MEM;
-		translate_address_array[taa_index].bus = bus;
-		translate_address_array[taa_index].devfn = devfn;
-		translate_address_array[taa_index].cfg_space_offset = 0;
-		translate_address_array[taa_index].address = 0xa0000;
-		translate_address_array[taa_index].size = 0x20000;
-		/* dont translate addresses... all addresses are 1:1 */
-		translate_address_array[taa_index].address_offset = 0;
-		taa_index++;
-	}
-	// store last entry index of translate_address_array
-	taa_last_entry = taa_index - 1;
-#if CONFIG_X86EMU_DEBUG
-	//dump translate_address_array
-	printf("translate_address_array: \n");
-	translate_address_t ta;
-	int i;
-	for (i = 0; i <= taa_last_entry; i++) {
-		ta = translate_address_array[i];
-		printf
-		    ("%d: info: %08lx bus: %02x devfn: %02x cfg_space_offset: %02x\n\taddr: %016llx\n\toffs: %016llx\n\tsize: %016llx\n",
-		     i, ta.info, ta.bus, ta.devfn, ta.cfg_space_offset,
-		     ta.address, ta.address_offset, ta.size);
-	}
-#endif
-}
-#else
-// use translate_address_dev and get_puid from net-snk's net_support.c
-void translate_address_dev(u64 *, phandle_t);
-u64 get_puid(phandle_t node);
-
-
-// scan all adresses assigned to the device ("assigned-addresses" and "reg")
-// store in translate_address_array for faster translation using dev_translate_address
-void
-biosemu_dev_get_addr_info(void)
-{
-	// get bus/dev/fn from assigned-addresses
-	int32_t len;
-	//max. 6 BARs and 1 Exp.ROM plus CfgSpace and 3 legacy ranges
-	assigned_address_t buf[11];
-	len =
-	    of_getprop(bios_device.phandle, "assigned-addresses", buf,
-		       sizeof(buf));
-	bios_device.bus = buf[0].bus;
-	bios_device.devfn = buf[0].devfn;
-	DEBUG_PRINTF("bus: %x, devfn: %x\n", bios_device.bus,
-		     bios_device.devfn);
-	//store address translations for all assigned-addresses and regs in
-	//translate_address_array for faster translation later on...
-	int i = 0;
-	// index to insert data into translate_address_array
-	int taa_index = 0;
-	u64 address_offset;
-	for (i = 0; i < (len / sizeof(assigned_address_t)); i++, taa_index++) {
-		//copy all info stored in assigned-addresses
-		translate_address_array[taa_index].info = buf[i].info;
-		translate_address_array[taa_index].bus = buf[i].bus;
-		translate_address_array[taa_index].devfn = buf[i].devfn;
-		translate_address_array[taa_index].cfg_space_offset =
-		    buf[i].cfg_space_offset;
-		translate_address_array[taa_index].address = buf[i].address;
-		translate_address_array[taa_index].size = buf[i].size;
-		// translate first address and store it as address_offset
-		address_offset = buf[i].address;
-		translate_address_dev(&address_offset, bios_device.phandle);
-		translate_address_array[taa_index].address_offset =
-		    address_offset - buf[i].address;
-	}
-	//get "reg" property
-	len = of_getprop(bios_device.phandle, "reg", buf, sizeof(buf));
-	for (i = 0; i < (len / sizeof(assigned_address_t)); i++) {
-		if ((buf[i].size == 0) || (buf[i].cfg_space_offset != 0)) {
-			// we dont care for ranges with size 0 and
-			// BARs and Expansion ROM must be in assigned-addresses... so in reg
-			// we only look for those without config space offset set...
-			// i.e. the legacy ranges
-			continue;
-		}
-		//copy all info stored in assigned-addresses
-		translate_address_array[taa_index].info = buf[i].info;
-		translate_address_array[taa_index].bus = buf[i].bus;
-		translate_address_array[taa_index].devfn = buf[i].devfn;
-		translate_address_array[taa_index].cfg_space_offset =
-		    buf[i].cfg_space_offset;
-		translate_address_array[taa_index].address = buf[i].address;
-		translate_address_array[taa_index].size = buf[i].size;
-		// translate first address and store it as address_offset
-		address_offset = buf[i].address;
-		translate_address_dev(&address_offset, bios_device.phandle);
-		translate_address_array[taa_index].address_offset =
-		    address_offset - buf[i].address;
-		taa_index++;
-	}
-	// store last entry index of translate_address_array
-	taa_last_entry = taa_index - 1;
-#if CONFIG_X86EMU_DEBUG
-	//dump translate_address_array
-	printf("translate_address_array: \n");
-	translate_address_t ta;
-	for (i = 0; i <= taa_last_entry; i++) {
-		ta = translate_address_array[i];
-		printf
-		    ("%d: %02x%02x%02x%02x\n\taddr: %016llx\n\toffs: %016llx\n\tsize: %016llx\n",
-		     i, ta.info, ta.bus, ta.devfn, ta.cfg_space_offset,
-		     ta.address, ta.address_offset, ta.size);
-	}
-#endif
-}
-#endif
-
-// "special memory" is a hack to make some parts of memory fall through to real memory
-// (ie. no translation). Necessary if option ROMs attempt DMA there, map registers or
-// do similarily crazy things.
-void
-biosemu_add_special_memory(u32 start, u32 size)
-{
-	int taa_index = ++taa_last_entry;
-	translate_address_array[taa_index].info = IORESOURCE_FIXED | IORESOURCE_MEM;
-	translate_address_array[taa_index].bus = 0;
-	translate_address_array[taa_index].devfn = 0;
-	translate_address_array[taa_index].cfg_space_offset = 0;
-	translate_address_array[taa_index].address = start;
-	translate_address_array[taa_index].size = size;
-	/* dont translate addresses... all addresses are 1:1 */
-	translate_address_array[taa_index].address_offset = 0;
-}
-
-#if !CONFIG_PCI_OPTION_ROM_RUN_YABEL
-// to simulate accesses to legacy VGA Memory (0xA0000-0xBFFFF)
-// we look for the first prefetchable memory BAR, if no prefetchable BAR found,
-// we use the first memory BAR
-// dev_translate_addr will translate accesses to the legacy VGA Memory into the found vmem BAR
-static void
-biosemu_dev_find_vmem_addr(void)
-{
-	int i = 0;
-	translate_address_t ta;
-	s8 tai_np = -1, tai_p = -1;	// translate_address_array index for non-prefetchable and prefetchable memory
-	//search backwards to find first entry
-	for (i = taa_last_entry; i >= 0; i--) {
-		ta = translate_address_array[i];
-		if ((ta.cfg_space_offset >= 0x10)
-		    && (ta.cfg_space_offset <= 0x24)) {
-			//only BARs
-			if ((ta.info & 0x03) >= 0x02) {
-				//32/64bit memory
-				tai_np = i;
-				if ((ta.info & 0x40) != 0) {
-					// prefetchable
-					tai_p = i;
-				}
-			}
-		}
-	}
-	if (tai_p != -1) {
-		ta = translate_address_array[tai_p];
-		bios_device.vmem_addr = ta.address;
-		bios_device.vmem_size = ta.size;
-		DEBUG_PRINTF
-		    ("%s: Found prefetchable Virtual Legacy Memory BAR: %llx, size: %llx\n",
-		     __func__, bios_device.vmem_addr,
-		     bios_device.vmem_size);
-	} else if (tai_np != -1) {
-		ta = translate_address_array[tai_np];
-		bios_device.vmem_addr = ta.address;
-		bios_device.vmem_size = ta.size;
-		DEBUG_PRINTF
-		    ("%s: Found non-prefetchable Virtual Legacy Memory BAR: %llx, size: %llx",
-		     __func__, bios_device.vmem_addr,
-		     bios_device.vmem_size);
-	}
-	// disable vmem
-	//bios_device.vmem_size = 0;
-}
-
-void
-biosemu_dev_get_puid(void)
-{
-	// get puid
-	bios_device.puid = get_puid(bios_device.phandle);
-	DEBUG_PRINTF("puid: 0x%llx\n", bios_device.puid);
-}
-#endif
-
-static void
-biosemu_dev_get_device_vendor_id(void)
-{
-
-	u32 pci_config_0;
-#if CONFIG_PCI_OPTION_ROM_RUN_YABEL
-	pci_config_0 = pci_read_config32(bios_device.dev, 0x0);
-#else
-	pci_config_0 =
-	    rtas_pci_config_read(bios_device.puid, 4, bios_device.bus,
-				 bios_device.devfn, 0x0);
-#endif
-	bios_device.pci_device_id =
-	    (u16) ((pci_config_0 & 0xFFFF0000) >> 16);
-	bios_device.pci_vendor_id = (u16) (pci_config_0 & 0x0000FFFF);
-	DEBUG_PRINTF("PCI Device ID: %04x, PCI Vendor ID: %x\n",
-		     bios_device.pci_device_id, bios_device.pci_vendor_id);
-}
-
-/* Check whether the device has a valid Expansion ROM and search the PCI Data
- * Structure and any Expansion ROM Header (using dev_scan_exp_header()) for
- * needed information.  If the rom_addr parameter is != 0, it is the address of
- * the Expansion ROM image and will be used, if it is == 0, the Expansion ROM
- * BAR address will be used.
- */
-u8
-biosemu_dev_check_exprom(unsigned long rom_base_addr)
-{
-	int i = 0;
-	translate_address_t ta;
-	u16 pci_ds_offset;
-	pci_data_struct_t pci_ds;
-	if (rom_base_addr == 0) {
-		// check for ExpROM Address (Offset 30) in taa
-		for (i = 0; i <= taa_last_entry; i++) {
-			ta = translate_address_array[i];
-			if (ta.cfg_space_offset == 0x30) {
-				//translated address
-				rom_base_addr = ta.address + ta.address_offset;
-				break;
-			}
-		}
-	}
-	/* In the ROM there could be multiple Expansion ROM Images... start
-	 * searching them for an x86 image.
-	 */
-	do {
-		if (rom_base_addr == 0) {
-			printf("Error: no Expansion ROM address found!\n");
-			return -1;
-		}
-		set_ci();
-		u16 rom_signature = in16le((void *) rom_base_addr);
-		clr_ci();
-		if (rom_signature != 0xaa55) {
-			printf
-			    ("Error: invalid Expansion ROM signature: %02x!\n",
-			     *((u16 *) rom_base_addr));
-			return -1;
-		}
-		set_ci();
-		// at offset 0x18 is the (16bit little-endian) pointer to the PCI Data Structure
-		pci_ds_offset = in16le((void *) (rom_base_addr + 0x18));
-		//copy the PCI Data Structure
-		memcpy(&pci_ds, (void *) (rom_base_addr + pci_ds_offset),
-		       sizeof(pci_ds));
-		clr_ci();
-#if CONFIG_X86EMU_DEBUG
-		DEBUG_PRINTF("PCI Data Structure @%lx:\n",
-			     rom_base_addr + pci_ds_offset);
-		dump((void *) &pci_ds, sizeof(pci_ds));
-#endif
-		if (strncmp((const char *) pci_ds.signature, "PCIR", 4) != 0) {
-			printf("Invalid PCI Data Structure found!\n");
-			break;
-		}
-		//little-endian conversion
-		pci_ds.vendor_id = in16le(&pci_ds.vendor_id);
-		pci_ds.device_id = in16le(&pci_ds.device_id);
-		pci_ds.img_length = in16le(&pci_ds.img_length);
-		pci_ds.pci_ds_length = in16le(&pci_ds.pci_ds_length);
-#ifdef DO_THIS_TEST_TWICE
-		if (pci_ds.vendor_id != bios_device.pci_vendor_id) {
-			printf
-			    ("Image has invalid Vendor ID: %04x, expected: %04x\n",
-			     pci_ds.vendor_id, bios_device.pci_vendor_id);
-			break;
-		}
-		if (pci_ds.device_id != bios_device.pci_device_id) {
-			printf
-			    ("Image has invalid Device ID: %04x, expected: %04x\n",
-			     pci_ds.device_id, bios_device.pci_device_id);
-			break;
-		}
-#endif
-		DEBUG_PRINTF("Image Length: %d\n", pci_ds.img_length * 512);
-		DEBUG_PRINTF("Image Code Type: %d\n", pci_ds.code_type);
-		if (pci_ds.code_type == 0) {
-			//x86 image
-			//store image address and image length in bios_device struct
-			bios_device.img_addr = rom_base_addr;
-			bios_device.img_size = pci_ds.img_length * 512;
-			// we found the image, exit the loop
-			break;
-		} else {
-			// no x86 image, check next image (if any)
-			rom_base_addr += pci_ds.img_length * 512;
-		}
-		if ((pci_ds.indicator & 0x80) == 0x80) {
-			//last image found, exit the loop
-			DEBUG_PRINTF("Last PCI Expansion ROM Image found.\n");
-			break;
-		}
-	}
-	while (bios_device.img_addr == 0);
-	// in case we did not find a valid x86 Expansion ROM Image
-	if (bios_device.img_addr == 0) {
-		printf("Error: no valid x86 Expansion ROM Image found!\n");
-		return -1;
-	}
-	return 0;
-}
-
-u8
-biosemu_dev_init(struct device * device)
-{
-	u8 rval = 0;
-	//init bios_device struct
-	DEBUG_PRINTF("%s\n", __func__);
-	memset(&bios_device, 0, sizeof(bios_device));
-
-#if !CONFIG_PCI_OPTION_ROM_RUN_YABEL
-	bios_device.ihandle = of_open(device_name);
-	if (bios_device.ihandle == 0) {
-		DEBUG_PRINTF("%s is no valid device!\n", device_name);
-		return -1;
-	}
-	bios_device.phandle = of_finddevice(device_name);
-#else
-	bios_device.dev = device;
-#endif
-	biosemu_dev_get_addr_info();
-#if !CONFIG_PCI_OPTION_ROM_RUN_YABEL
-	biosemu_dev_find_vmem_addr();
-	biosemu_dev_get_puid();
-#endif
-	biosemu_dev_get_device_vendor_id();
-	return rval;
-}
-
-// translate address function using translate_address_array assembled
-// by dev_get_addr_info... MUCH faster than calling translate_address_dev
-// and accessing client interface for every translation...
-// returns: 0 if addr not found in translate_address_array, 1 if found.
-u8
-biosemu_dev_translate_address(int type, unsigned long * addr)
-{
-	int i = 0;
-	translate_address_t ta;
-#if !CONFIG_PCI_OPTION_ROM_RUN_YABEL
-	/* we dont need this hack for coreboot... we can access legacy areas */
-	//check if it is an access to legacy VGA Mem... if it is, map the address
-	//to the vmem BAR and then translate it...
-	// (translation info provided by Ben Herrenschmidt)
-	// NOTE: the translation seems to only work for NVIDIA cards... but it is needed
-	// to make some NVIDIA cards work at all...
-	if ((bios_device.vmem_size > 0)
-	    && ((*addr >= 0xA0000) && (*addr < 0xB8000))) {
-		*addr = (*addr - 0xA0000) * 4 + 2 + bios_device.vmem_addr;
-	}
-	if ((bios_device.vmem_size > 0)
-	    && ((*addr >= 0xB8000) && (*addr < 0xC0000))) {
-		u8 shift = *addr & 1;
-		*addr &= 0xfffffffe;
-		*addr = (*addr - 0xB8000) * 4 + shift + bios_device.vmem_addr;
-	}
-#endif
-	for (i = 0; i <= taa_last_entry; i++) {
-		ta = translate_address_array[i];
-		if ((*addr >= ta.address) && (*addr <= (ta.address + ta.size)) && (ta.info & type)) {
-			*addr += ta.address_offset;
-			return 1;
-		}
-	}
-	return 0;
-}
diff --git a/src/devices/oprom/yabel/device.h b/src/devices/oprom/yabel/device.h
deleted file mode 100644
index edee44d20e..0000000000
--- a/src/devices/oprom/yabel/device.h
+++ /dev/null
@@ -1,185 +0,0 @@
-/******************************************************************************
- * Copyright (c) 2004, 2008 IBM Corporation
- * Copyright (c) 2008, 2009 Pattrick Hueper <phueper@hueper.net>
- * All rights reserved.
- * This program and the accompanying materials
- * are made available under the terms of the BSD License
- * which accompanies this distribution, and is available at
- * http://www.opensource.org/licenses/bsd-license.php
- *
- * Contributors:
- *     IBM Corporation - initial implementation
- *****************************************************************************/
-
-#ifndef DEVICE_LIB_H
-#define DEVICE_LIB_H
-
-#include <types.h>
-#include <arch/byteorder.h>
-#include "compat/of.h"
-#include "debug.h"
-
-
-// a Expansion Header Struct as defined in Plug and Play BIOS Spec 1.0a Chapter 3.2
-typedef struct {
-	char signature[4];	// signature
-	u8 structure_revision;
-	u8 length;		// in 16 byte blocks
-	u16 next_header_offset;	// offset to next Expansion Header as 16bit little-endian value, as offset from the start of the Expansion ROM
-	u8 reserved;
-	u8 checksum;	// the sum of all bytes of the Expansion Header must be 0
-	u32 device_id;	// PnP Device ID as 32bit little-endian value
-	u16 p_manufacturer_string;	//16bit little-endian offset from start of Expansion ROM
-	u16 p_product_string;	//16bit little-endian offset from start of Expansion ROM
-	u8 device_base_type;
-	u8 device_sub_type;
-	u8 device_if_type;
-	u8 device_indicators;
-	// the following vectors are all 16bit little-endian offsets from start of Expansion ROM
-	u16 bcv;		// Boot Connection Vector
-	u16 dv;		// Disconnect Vector
-	u16 bev;		// Bootstrap Entry Vector
-	u16 reserved_2;
-	u16 sriv;		// Static Resource Information Vector
-} __attribute__ ((__packed__)) exp_header_struct_t;
-
-// a PCI Data Struct as defined in PCI 2.3 Spec Chapter 6.3.1.2
-typedef struct {
-	u8 signature[4];	// signature, the String "PCIR"
-	u16 vendor_id;
-	u16 device_id;
-	u16 reserved;
-	u16 pci_ds_length;	// PCI Data Structure Length, 16bit little-endian value
-	u8 pci_ds_revision;
-	u8 class_code[3];
-	u16 img_length;	// length of the Exp.ROM Image, 16bit little-endian value in 512 bytes
-	u16 img_revision;
-	u8 code_type;
-	u8 indicator;
-	u16 reserved_2;
-} __attribute__ ((__packed__)) pci_data_struct_t;
-
-typedef struct {
-	u8 bus;
-	u8 devfn;
-#if CONFIG_PCI_OPTION_ROM_RUN_YABEL
-	struct device* dev;
-#else
-	u64 puid;
-	phandle_t phandle;
-	ihandle_t ihandle;
-#endif
-	// store the address of the BAR that is used to simulate
-	// legacy VGA memory accesses
-	u64 vmem_addr;
-	u64 vmem_size;
-	// used to buffer I/O Accesses, that do not access the I/O Range of the device...
-	// 64k might be overkill, but we can buffer all I/O accesses...
-	u8 io_buffer[64 * 1024];
-	u16 pci_vendor_id;
-	u16 pci_device_id;
-	// translated address of the "PC-Compatible" Expansion ROM Image for this device
-	unsigned long img_addr;
-	u32 img_size;	// size of the Expansion ROM Image (read from the PCI Data Structure)
-} biosemu_device_t;
-
-typedef struct {
-#if CONFIG_PCI_OPTION_ROM_RUN_YABEL
-	unsigned long info;
-#else
-	u8 info;
-#endif
-	u8 bus;
-	u8 devfn;
-	u8 cfg_space_offset;
-	u64 address;
-	u64 address_offset;
-	u64 size;
-} __attribute__ ((__packed__)) translate_address_t;
-
-// array to store address translations for this
-// device. Needed for faster address translation, so
-// not every I/O or Memory Access needs to call translate_address_dev
-// and access the device tree
-// 6 BARs, 1 Exp. ROM, 1 Cfg.Space, and 3 Legacy, plus 2 "special"
-// translations are supported... this should be enough for
-// most devices... for VGA it is enough anyways...
-extern translate_address_t translate_address_array[13];
-
-// index of last translate_address_array entry
-// set by get_dev_addr_info function
-extern u8 taa_last_entry;
-
-// add 1:1 mapped memory regions to translation table
-void biosemu_add_special_memory(u32 start, u32 size);
-
-/* the device we are working with... */
-extern biosemu_device_t bios_device;
-
-u8 biosemu_dev_init(struct device * device);
-// NOTE: for dev_check_exprom to work, biosemu_dev_init MUST be called first!
-u8 biosemu_dev_check_exprom(unsigned long rom_base_addr);
-
-u8 biosemu_dev_translate_address(int type, unsigned long * addr);
-
-/* endianness swap functions for 16 and 32 bit words
- * copied from axon_pciconfig.c
- */
-static inline void
-out32le(void *addr, u32 val)
-{
-#ifdef __i386
-	*((u32*) addr) = cpu_to_le32(val);
-#else
-	asm volatile ("stwbrx  %0, 0, %1"::"r" (val), "r"(addr));
-#endif
-}
-
-static inline u32
-in32le(void *addr)
-{
-	u32 val;
-#ifdef __i386
-	val = cpu_to_le32(*((u32 *) addr));
-#else
-	asm volatile ("lwbrx  %0, 0, %1":"=r" (val):"r"(addr));
-#endif
-	return val;
-}
-
-static inline void
-out16le(void *addr, u16 val)
-{
-#ifdef __i386
-	*((u16*) addr) = cpu_to_le16(val);
-#else
-	asm volatile ("sthbrx  %0, 0, %1"::"r" (val), "r"(addr));
-#endif
-}
-
-static inline u16
-in16le(void *addr)
-{
-	u16 val;
-#ifdef __i386
-	val = cpu_to_le16(*((u16*) addr));
-#else
-	asm volatile ("lhbrx %0, 0, %1":"=r" (val):"r"(addr));
-#endif
-	return val;
-}
-
-/* debug function, dumps HID1 and HID4 to detect whether caches are on/off */
-static inline void
-dumpHID(void)
-{
-	u64 hid;
-	//HID1 = 1009
-	__asm__ __volatile__("mfspr %0, 1009":"=r"(hid));
-	printf("HID1: %016llx\n", hid);
-	//HID4 = 1012
-	__asm__ __volatile__("mfspr %0, 1012":"=r"(hid));
-	printf("HID4: %016llx\n", hid);
-}
-
-#endif
diff --git a/src/devices/oprom/yabel/interrupt.c b/src/devices/oprom/yabel/interrupt.c
deleted file mode 100644
index e5b4a3cff4..0000000000
--- a/src/devices/oprom/yabel/interrupt.c
+++ /dev/null
@@ -1,678 +0,0 @@
-/******************************************************************************
- * Copyright (c) 2004, 2008 IBM Corporation
- * Copyright (c) 2008, 2009 Pattrick Hueper <phueper@hueper.net>
- * All rights reserved.
- * This program and the accompanying materials
- * are made available under the terms of the BSD License
- * which accompanies this distribution, and is available at
- * http://www.opensource.org/licenses/bsd-license.php
- *
- * Contributors:
- *     IBM Corporation - initial implementation
- *****************************************************************************/
-
-#include <types.h>
-#include "compat/rtas.h"
-
-#include "biosemu.h"
-#include "mem.h"
-#include "device.h"
-#include "debug.h"
-#include "pmm.h"
-#include "interrupt.h"
-
-#include <x86emu/x86emu.h>
-#include "../x86emu/prim_ops.h"
-
-#if CONFIG_PCI_OPTION_ROM_RUN_YABEL
-#include <device/pci.h>
-#include <device/pci_ops.h>
-#endif
-
-
-//setup to run the code at the address, that the Interrupt Vector points to...
-static void
-setupInt(int intNum)
-{
-	DEBUG_PRINTF_INTR("%s(%x): executing interrupt handler @%08x\n",
-			  __func__, intNum, my_rdl(intNum * 4));
-	// push current R_FLG... will be popped by IRET
-	push_word((u16) M.x86.R_FLG);
-	CLEAR_FLAG(F_IF);
-	CLEAR_FLAG(F_TF);
-	// push current CS:IP to the stack, will be popped by IRET
-	push_word(M.x86.R_CS);
-	push_word(M.x86.R_IP);
-	// set CS:IP to the interrupt handler address... so the next executed instruction will
-	// be the interrupt handler
-	M.x86.R_CS = my_rdw(intNum * 4 + 2);
-	M.x86.R_IP = my_rdw(intNum * 4);
-}
-
-// handle int10 (VGA BIOS Interrupt)
-static void
-handleInt10(void)
-{
-	// the data for INT10 is stored in BDA (0000:0400h) offset 49h-66h
-	// function number in AH
-	//DEBUG_PRINTF_CS_IP("%s:\n", __func__);
-	//x86emu_dump_xregs();
-	//if ((M.x86.R_IP == 0x32c2) && (M.x86.R_SI == 0x1ce2)){
-	//X86EMU_trace_on();
-	//M.x86.debug &= ~DEBUG_DECODE_NOPRINT_F;
-	//}
-	switch (M.x86.R_AH) {
-	case 0x00:
-		// set video mode
-		// BDA offset 49h is current video mode
-		my_wrb(0x449, M.x86.R_AL);
-		if (M.x86.R_AL > 7)
-			M.x86.R_AL = 0x20;
-		else if (M.x86.R_AL == 6)
-			M.x86.R_AL = 0x3f;
-		else
-			M.x86.R_AL = 0x30;
-		break;
-	case 0x01:
-		// set cursor shape
-		// ignore
-		break;
-	case 0x02:
-		// set cursor position
-		// BH: pagenumber, DX: cursor_pos (DH:row, DL:col)
-		// BDA offset 50h-60h are 8 cursor position words for
-		// eight possible video pages
-		my_wrw(0x450 + (M.x86.R_BH * 2), M.x86.R_DX);
-		break;
-	case 0x03:
-		//get cursor position
-		// BH: pagenumber
-		// BDA offset 50h-60h are 8 cursor position words for
-		// eight possible video pages
-		M.x86.R_AX = 0;
-		M.x86.R_CH = 0;	// start scan line ???
-		M.x86.R_CL = 0;	// end scan line ???
-		M.x86.R_DX = my_rdw(0x450 + (M.x86.R_BH * 2));
-		break;
-	case 0x05:
-		// set active page
-		// BDA offset 62h is current page number
-		my_wrb(0x462, M.x86.R_AL);
-		break;
-	case 0x06:
-		//scroll up windows
-		break;
-	case 0x07:
-		//scroll down windows
-		break;
-	case 0x08:
-		//read character and attribute at position
-		M.x86.R_AH = 0x07;	// white-on-black
-		M.x86.R_AL = 0x20;	// a space...
-		break;
-	case 0x09:
-		// write character and attribute
-		//AL: char, BH: page number, BL: attribute, CX: number of times to write
-		//BDA offset 62h is current page number
-		CHECK_DBG(DEBUG_PRINT_INT10) {
-			u32 i = 0;
-			if (M.x86.R_BH == my_rdb(0x462)) {
-				for (i = 0; i < M.x86.R_CX; i++)
-					printf("%c", M.x86.R_AL);
-			}
-		}
-		break;
-	case 0x0a:
-		// write character
-		//AL: char, BH: page number, BL: attribute, CX: number of times to write
-		//BDA offset 62h is current page number
-		CHECK_DBG(DEBUG_PRINT_INT10) {
-			u32 i = 0;
-			if (M.x86.R_BH == my_rdb(0x462)) {
-				for (i = 0; i < M.x86.R_CX; i++)
-					printf("%c", M.x86.R_AL);
-			}
-		}
-		break;
-	case 0x0e:
-		// teletype output: write character and advance cursor...
-		//AL: char, BH: page number, BL: attribute
-		//BDA offset 62h is current page number
-		CHECK_DBG(DEBUG_PRINT_INT10) {
-			// we ignore the pagenumber on this call...
-			//if (M.x86.R_BH == my_rdb(0x462))
-			{
-				printf("%c", M.x86.R_AL);
-				// for debugging, to read all lines
-				//if (M.x86.R_AL == 0xd) // carriage return
-				//      printf("\n");
-			}
-		}
-		break;
-	case 0x0f:
-		// get video mode
-		// BDA offset 49h is current video mode
-		// BDA offset 62h is current page number
-		// BDA offset 4ah is columns on screen
-		M.x86.R_AH = 80;	//number of character columns... we hardcode it to 80
-		M.x86.R_AL = my_rdb(0x449);
-		M.x86.R_BH = my_rdb(0x462);
-		break;
-	default:
-		printf("%s(): unknown function (%x) for int10 handler.\n",
-		       __func__, M.x86.R_AH);
-		DEBUG_PRINTF_INTR("AX=%04x BX=%04x CX=%04x DX=%04x\n",
-				  M.x86.R_AX, M.x86.R_BX, M.x86.R_CX,
-				  M.x86.R_DX);
-		HALT_SYS();
-		break;
-	}
-}
-
-// this table translates ASCII chars into their XT scan codes:
-static u8 keycode_table[256] = {
-	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	// 0 - 7
-	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	// 8 - 15
-	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	// 16 - 23
-	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	// 24 - 31
-	0x39, 0x02, 0x28, 0x04, 0x05, 0x06, 0x08, 0x28,	// 32 - 39
-	0x0a, 0x0b, 0x09, 0x2b, 0x33, 0x0d, 0x34, 0x35,	// 40 - 47
-	0x0b, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,	// 48 - 55
-	0x09, 0x0a, 0x27, 0x27, 0x33, 0x2b, 0x34, 0x35,	// 56 - 63
-	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	// 64 - 71
-	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	// 72 - 79
-	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	// 80 - 87
-	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	// 88 - 95
-	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	// 96 - 103
-	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	// 104 - 111
-	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	// 112 - 119
-	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	// 120 - 127
-	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,	// ...
-	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-}
-
-;
-
-static void
-translate_keycode(u64 * keycode)
-{
-	u8 scan_code = 0;
-	u8 char_code = 0;
-	if (*keycode < 256) {
-		scan_code = keycode_table[*keycode];
-		char_code = (u8) * keycode & 0xff;
-	} else {
-		switch (*keycode) {
-		case 0x1b50:
-			// F1
-			scan_code = 0x3b;
-			char_code = 0x0;
-			break;
-		default:
-			printf("%s(): unknown multibyte keycode: %llx\n",
-			       __func__, *keycode);
-			break;
-		}
-	}
-	//assemble scan/char code in keycode
-	*keycode = (u64) ((((u16) scan_code) << 8) | char_code);
-}
-
-// handle int16 (Keyboard BIOS Interrupt)
-static void
-handleInt16(void)
-{
-	// keyboard buffer is in BIOS Memory Area:
-	// offset 0x1a (WORD) pointer to next char in keybuffer
-	// offset 0x1c (WORD) pointer to next insert slot in keybuffer
-	// offset 0x1e-0x3e: 16 WORD Ring Buffer
-	// since we currently always read the char from the FW buffer,
-	// we misuse the ring buffer, we use it as pointer to a u64 that stores
-	// multi-byte keys (e.g. special keys in VT100 terminal)
-	// and as long as a key is available (not 0) we dont read further keys
-	u64 *keycode = (u64 *) (M.mem_base + 0x41e);
-	s8 c;
-	// function number in AH
-	DEBUG_PRINTF_INTR("%s(): Keyboard Interrupt: function: %x.\n",
-			  __func__, M.x86.R_AH);
-	DEBUG_PRINTF_INTR("AX=%04x BX=%04x CX=%04x DX=%04x\n", M.x86.R_AX,
-			  M.x86.R_BX, M.x86.R_CX, M.x86.R_DX);
-	switch (M.x86.R_AH) {
-	case 0x00:
-		// get keystroke
-		if (*keycode) {
-			M.x86.R_AX = (u16) * keycode;
-			// clear keycode
-			*keycode = 0;
-		} else {
-			M.x86.R_AH = 0x61;	// scancode for space key
-			M.x86.R_AL = 0x20;	// a space
-		}
-		break;
-	case 0x01:
-		// check keystroke
-		// ZF set = no keystroke
-		// read first byte of key code
-		if (*keycode) {
-			// already read, but not yet taken
-			CLEAR_FLAG(F_ZF);
-			M.x86.R_AX = (u16) * keycode;
-		} else {
-			/* TODO: we need getchar... */
-			c = -1; //getchar();
-			if (c == -1) {
-				// no key available
-				SET_FLAG(F_ZF);
-			} else {
-				*keycode = c;
-
-				// since after an ESC it may take a while to receive the next char,
-				// we send something that is not shown on the screen, and then try to get
-				// the next char
-				// TODO: only after ESC?? what about other multibyte keys
-				printf("tt%c%c", 0x08, 0x08);	// 0x08 == Backspace
-
-				/* TODO: we need getchar... */
-				while ((c = -1 /*getchar()*/) != -1) {
-					*keycode = (*keycode << 8) | c;
-					DEBUG_PRINTF(" key read: %0llx\n",
-						     *keycode);
-				}
-				translate_keycode(keycode);
-				DEBUG_PRINTF(" translated key: %0llx\n",
-					     *keycode);
-				if (*keycode == 0) {
-					//not found
-					SET_FLAG(F_ZF);
-				} else {
-					CLEAR_FLAG(F_ZF);
-					M.x86.R_AX = (u16) * keycode;
-					//X86EMU_trace_on();
-					//M.x86.debug &= ~DEBUG_DECODE_NOPRINT_F;
-				}
-			}
-		}
-		break;
-	default:
-		printf("%s(): unknown function (%x) for int16 handler.\n",
-		       __func__, M.x86.R_AH);
-		DEBUG_PRINTF_INTR("AX=%04x BX=%04x CX=%04x DX=%04x\n",
-				  M.x86.R_AX, M.x86.R_BX, M.x86.R_CX,
-				  M.x86.R_DX);
-		HALT_SYS();
-		break;
-	}
-}
-
-// handle int1a (PCI BIOS Interrupt)
-static void
-handleInt1a(void)
-{
-	// function number in AX
-	u8 bus, devfn, offs;
-	struct device* dev;
-	switch (M.x86.R_AX) {
-	case 0xb101:
-		// Installation check
-		CLEAR_FLAG(F_CF);	// clear CF
-		M.x86.R_EDX = 0x20494350;	// " ICP" endian swapped "PCI "
-		M.x86.R_AL = 0x1;	// Config Space Mechanism 1 supported
-		M.x86.R_BX = 0x0210;	// PCI Interface Level Version 2.10
-		M.x86.R_CL = 0xff;	// number of last PCI Bus in system TODO: check!
-		break;
-	case 0xb102:
-		// Find PCI Device
-		// device_id in CX, vendor_id in DX
-		// device index in SI (i.e. if multiple devices with same vendor/device id
-		// are connected). We currently only support device index 0
-		//
-		DEBUG_PRINTF_INTR("%s(): function: %x: PCI Find Device\n",
-				  __func__, M.x86.R_AX);
-		/* FixME: support SI != 0 */
-#if CONFIG_YABEL_PCI_ACCESS_OTHER_DEVICES
-		dev = dev_find_device(M.x86.R_DX, M.x86.R_CX, 0);
-		if (dev != 0) {
-			DEBUG_PRINTF_INTR
-			    ("%s(): function %x: PCI Find Device --> 0x%04x\n",
-			     __func__, M.x86.R_AX, M.x86.R_BX);
-
-			M.x86.R_BH = dev->bus->secondary;
-			M.x86.R_BL = dev->path.pci.devfn;
-			M.x86.R_AH = 0x00; // return code: success
-			CLEAR_FLAG(F_CF);
-#else
-		// only allow the device to find itself...
-		if ((M.x86.R_CX == bios_device.pci_device_id)
-		   && (M.x86.R_DX == bios_device.pci_vendor_id)
-		   // device index must be 0
-		   && (M.x86.R_SI == 0)) {
-			CLEAR_FLAG(F_CF);
-			M.x86.R_AH = 0x00;      // return code: success
-			M.x86.R_BH = bios_device.bus;
-			M.x86.R_BL = bios_device.devfn;
-#endif
-		} else {
-			DEBUG_PRINTF_INTR
-			    ("%s(): function %x: invalid device/vendor/device index! (%04x/%04x/%02x expected: %04x/%04x/00) \n",
-			     __func__, M.x86.R_AX, M.x86.R_CX, M.x86.R_DX,
-			     M.x86.R_SI, bios_device.pci_device_id,
-			     bios_device.pci_vendor_id);
-
-			SET_FLAG(F_CF);
-			M.x86.R_AH = 0x86;	// return code: device not found
-		}
-		break;
-	case 0xb108:		//read configuration byte
-	case 0xb109:		//read configuration word
-	case 0xb10a:		//read configuration dword
-		bus = M.x86.R_BH;
-		devfn = M.x86.R_BL;
-		offs = M.x86.R_DI;
-		DEBUG_PRINTF_INTR("%s(): function: %x: PCI Config Read from device: bus: %02x, devfn: %02x, offset: %02x\n",
-				  __func__, M.x86.R_AX, bus, devfn, offs);
-#if CONFIG_YABEL_PCI_ACCESS_OTHER_DEVICES
-		dev = dev_find_slot(bus, devfn);
-		DEBUG_PRINTF_INTR("%s(): function: %x: dev_find_slot() returned: %s\n",
-				  __func__, M.x86.R_AX, dev_path(dev));
-		if (dev == 0) {
-			// fail accesses to non-existent devices...
-#else
-		dev = bios_device.dev;
-		if ((bus != bios_device.bus)
-		     || (devfn != bios_device.devfn)) {
-			// fail accesses to any device but ours...
-#endif
-			printf
-			    ("%s(): Config read access invalid device! bus: %02x (%02x), devfn: %02x (%02x), offs: %02x\n",
-			     __func__, bus, bios_device.bus, devfn,
-			     bios_device.devfn, offs);
-			SET_FLAG(F_CF);
-			M.x86.R_AH = 0x87;	//return code: bad pci register
-			HALT_SYS();
-			return;
-		} else {
-			switch (M.x86.R_AX) {
-			case 0xb108:
-				M.x86.R_CL =
-#if CONFIG_PCI_OPTION_ROM_RUN_YABEL
-					pci_read_config8(dev, offs);
-#else
-				    (u8) rtas_pci_config_read(bios_device.
-								   puid, 1,
-								   bus, devfn,
-								   offs);
-#endif
-				DEBUG_PRINTF_INTR
-				    ("%s(): function %x: PCI Config Read @%02x --> 0x%02x\n",
-				     __func__, M.x86.R_AX, offs,
-				     M.x86.R_CL);
-				break;
-			case 0xb109:
-				M.x86.R_CX =
-#if CONFIG_PCI_OPTION_ROM_RUN_YABEL
-					pci_read_config16(dev, offs);
-#else
-				    (u16) rtas_pci_config_read(bios_device.
-								    puid, 2,
-								    bus, devfn,
-								    offs);
-#endif
-				DEBUG_PRINTF_INTR
-				    ("%s(): function %x: PCI Config Read @%02x --> 0x%04x\n",
-				     __func__, M.x86.R_AX, offs,
-				     M.x86.R_CX);
-				break;
-			case 0xb10a:
-				M.x86.R_ECX =
-#if CONFIG_PCI_OPTION_ROM_RUN_YABEL
-					pci_read_config32(dev, offs);
-#else
-				    (u32) rtas_pci_config_read(bios_device.
-								    puid, 4,
-								    bus, devfn,
-								    offs);
-#endif
-				DEBUG_PRINTF_INTR
-				    ("%s(): function %x: PCI Config Read @%02x --> 0x%08x\n",
-				     __func__, M.x86.R_AX, offs,
-				     M.x86.R_ECX);
-				break;
-			}
-			CLEAR_FLAG(F_CF);
-			M.x86.R_AH = 0x0;	// return code: success
-		}
-		break;
-	case 0xb10b:		//write configuration byte
-	case 0xb10c:		//write configuration word
-	case 0xb10d:		//write configuration dword
-		bus = M.x86.R_BH;
-		devfn = M.x86.R_BL;
-		offs = M.x86.R_DI;
-		if ((bus != bios_device.bus)
-		    || (devfn != bios_device.devfn)) {
-			// fail accesses to any device but ours...
-			printf
-			    ("%s(): Config read access invalid! bus: %x (%x), devfn: %x (%x), offs: %x\n",
-			     __func__, bus, bios_device.bus, devfn,
-			     bios_device.devfn, offs);
-			SET_FLAG(F_CF);
-			M.x86.R_AH = 0x87;	//return code: bad pci register
-			HALT_SYS();
-			return;
-		} else {
-			switch (M.x86.R_AX) {
-			case 0xb10b:
-#if CONFIG_PCI_OPTION_ROM_RUN_YABEL
-					pci_write_config8(bios_device.dev, offs, M.x86.R_CL);
-#else
-				rtas_pci_config_write(bios_device.puid, 1, bus,
-						      devfn, offs, M.x86.R_CL);
-#endif
-				DEBUG_PRINTF_INTR
-				    ("%s(): function %x: PCI Config Write @%02x <-- 0x%02x\n",
-				     __func__, M.x86.R_AX, offs,
-				     M.x86.R_CL);
-				break;
-			case 0xb10c:
-#if CONFIG_PCI_OPTION_ROM_RUN_YABEL
-					pci_write_config16(bios_device.dev, offs, M.x86.R_CX);
-#else
-				rtas_pci_config_write(bios_device.puid, 2, bus,
-						      devfn, offs, M.x86.R_CX);
-#endif
-				DEBUG_PRINTF_INTR
-				    ("%s(): function %x: PCI Config Write @%02x <-- 0x%04x\n",
-				     __func__, M.x86.R_AX, offs,
-				     M.x86.R_CX);
-				break;
-			case 0xb10d:
-#if CONFIG_PCI_OPTION_ROM_RUN_YABEL
-					pci_write_config32(bios_device.dev, offs, M.x86.R_ECX);
-#else
-				rtas_pci_config_write(bios_device.puid, 4, bus,
-						      devfn, offs, M.x86.R_ECX);
-#endif
-				DEBUG_PRINTF_INTR
-				    ("%s(): function %x: PCI Config Write @%02x <-- 0x%08x\n",
-				     __func__, M.x86.R_AX, offs,
-				     M.x86.R_ECX);
-				break;
-			}
-			CLEAR_FLAG(F_CF);
-			M.x86.R_AH = 0x0;	// return code: success
-		}
-		break;
-	default:
-		printf("%s(): unknown function (%x) for int1a handler.\n",
-		       __func__, M.x86.R_AX);
-		DEBUG_PRINTF_INTR("AX=%04x BX=%04x CX=%04x DX=%04x\n",
-				  M.x86.R_AX, M.x86.R_BX, M.x86.R_CX,
-				  M.x86.R_DX);
-		HALT_SYS();
-		break;
-	}
-}
-
-// main Interrupt Handler routine, should be registered as x86emu interrupt handler
-void
-handleInterrupt(int intNum)
-{
-	u8 int_handled = 0;
-#ifndef DEBUG_PRINT_INT10
-	// this printf makes output by int 10 unreadable...
-	// so we only enable it, if int10 print is disabled
-	DEBUG_PRINTF_INTR("%s(%x)\n", __func__, intNum);
-#endif
-
-	/* check wether this interrupt has a function pointer set in yabel_intFuncArray and run that */
-	if (yabel_intFuncArray[intNum]) {
-		DEBUG_PRINTF_INTR("%s(%x) intHandler overridden, calling it...\n", __func__, intNum);
-		int_handled = (*yabel_intFuncArray[intNum])();
-	} else {
-		switch (intNum) {
-		case 0x10:		//BIOS video interrupt
-		case 0x42:		// INT 10h relocated by EGA/VGA BIOS
-		case 0x6d:		// INT 10h relocated by VGA BIOS
-			// get interrupt vector from IDT (4 bytes per Interrupt starting at address 0
-			if ((my_rdl(intNum * 4) == 0xF000F065) ||	//F000:F065 is default BIOS interrupt handler address
-			    (my_rdl(intNum * 4) == 0xF4F4F4F4))	//invalid
-			{
-#if 0
-				// ignore interrupt...
-				DEBUG_PRINTF_INTR
-				    ("%s(%x): invalid interrupt Vector (%08x) found, interrupt ignored...\n",
-				     __func__, intNum, my_rdl(intNum * 4));
-				DEBUG_PRINTF_INTR("AX=%04x BX=%04x CX=%04x DX=%04x\n",
-						  M.x86.R_AX, M.x86.R_BX, M.x86.R_CX,
-						  M.x86.R_DX);
-				//HALT_SYS();
-#endif
-				handleInt10();
-				int_handled = 1;
-			}
-			break;
-		case 0x16:
-			// Keyboard BIOS Interrupt
-			handleInt16();
-			int_handled = 1;
-			break;
-		case 0x1a:
-			// PCI BIOS Interrupt
-			handleInt1a();
-			int_handled = 1;
-			break;
-		case PMM_INT_NUM:
-			/* The self-defined PMM INT number, this is called by
-			 * the code in PMM struct, and it is handled by
-			 * pmm_handleInt()
-			 */
-			pmm_handleInt();
-			int_handled = 1;
-			break;
-		default:
-			printf("Interrupt %#x (Vector: %x) not implemented\n", intNum,
-			       my_rdl(intNum * 4));
-			DEBUG_PRINTF_INTR("AX=%04x BX=%04x CX=%04x DX=%04x\n",
-					  M.x86.R_AX, M.x86.R_BX, M.x86.R_CX,
-					  M.x86.R_DX);
-			int_handled = 1;
-			HALT_SYS();
-			break;
-		}
-	}
-	// if we did not handle the interrupt, jump to the interrupt vector...
-	if (!int_handled) {
-		setupInt(intNum);
-	}
-}
-
-// prepare and execute Interrupt 10 (VGA Interrupt)
-void
-runInt10(void)
-{
-	// Initialize stack and data segment
-	M.x86.R_SS = STACK_SEGMENT;
-	M.x86.R_DS = DATA_SEGMENT;
-	M.x86.R_SP = STACK_START_OFFSET;
-
-	// push a HLT instruction and a pointer to it onto the stack
-	// any return will pop the pointer and jump to the HLT, thus
-	// exiting (more or less) cleanly
-	push_word(0xf4f4);	//F4=HLT
-	//push_word(M.x86.R_SS);
-	//push_word(M.x86.R_SP + 2);
-
-	// setupInt will push the current CS and IP to the stack to return to it,
-	// but we want to halt, so set CS:IP to the HLT instruction we just pushed
-	// to the stack
-	M.x86.R_CS = M.x86.R_SS;
-	M.x86.R_IP = M.x86.R_SP;	// + 4;
-
-	CHECK_DBG(DEBUG_TRACE_X86EMU) {
-		X86EMU_trace_on();
-	}
-	CHECK_DBG(DEBUG_JMP) {
-		M.x86.debug |= DEBUG_TRACEJMP_REGS_F;
-		M.x86.debug |= DEBUG_TRACEJMP_REGS_F;
-		M.x86.debug |= DEBUG_TRACECALL_F;
-		M.x86.debug |= DEBUG_TRACECALL_REGS_F;
-	}
-	setupInt(0x10);
-	DEBUG_PRINTF_INTR("%s(): starting execution of INT10...\n",
-			  __func__);
-	X86EMU_exec();
-	DEBUG_PRINTF_INTR("%s(): execution finished\n", __func__);
-}
-
-// prepare and execute Interrupt 13 (Disk Interrupt)
-void
-runInt13(void)
-{
-	// Initialize stack and data segment
-	M.x86.R_SS = STACK_SEGMENT;
-	M.x86.R_DS = DATA_SEGMENT;
-	M.x86.R_SP = STACK_START_OFFSET;
-
-	// push a HLT instruction and a pointer to it onto the stack
-	// any return will pop the pointer and jump to the HLT, thus
-	// exiting (more or less) cleanly
-	push_word(0xf4f4);	//F4=HLT
-	//push_word(M.x86.R_SS);
-	//push_word(M.x86.R_SP + 2);
-
-	// setupInt will push the current CS and IP to the stack to return to it,
-	// but we want to halt, so set CS:IP to the HLT instruction we just pushed
-	// to the stack
-	M.x86.R_CS = M.x86.R_SS;
-	M.x86.R_IP = M.x86.R_SP;
-
-	CHECK_DBG(DEBUG_TRACE_X86EMU) {
-		X86EMU_trace_on();
-	}
-	CHECK_DBG(DEBUG_JMP) {
-		M.x86.debug |= DEBUG_TRACEJMP_REGS_F;
-		M.x86.debug |= DEBUG_TRACEJMP_REGS_F;
-		M.x86.debug |= DEBUG_TRACECALL_F;
-		M.x86.debug |= DEBUG_TRACECALL_REGS_F;
-	}
-
-	setupInt(0x13);
-	DEBUG_PRINTF_INTR("%s(): starting execution of INT13...\n",
-			  __func__);
-	X86EMU_exec();
-	DEBUG_PRINTF_INTR("%s(): execution finished\n", __func__);
-}
diff --git a/src/devices/oprom/yabel/interrupt.h b/src/devices/oprom/yabel/interrupt.h
deleted file mode 100644
index 11755e102a..0000000000
--- a/src/devices/oprom/yabel/interrupt.h
+++ /dev/null
@@ -1,21 +0,0 @@
-/******************************************************************************
- * Copyright (c) 2004, 2008 IBM Corporation
- * All rights reserved.
- * This program and the accompanying materials
- * are made available under the terms of the BSD License
- * which accompanies this distribution, and is available at
- * http://www.opensource.org/licenses/bsd-license.php
- *
- * Contributors:
- *     IBM Corporation - initial implementation
- *****************************************************************************/
-#ifndef _BIOSEMU_INTERRUPT_H_
-#define _BIOSEMU_INTERRUPT_H_
-
-void handleInterrupt(int intNum);
-
-void runInt10(void);
-
-void runInt13(void);
-
-#endif
diff --git a/src/devices/oprom/yabel/io.c b/src/devices/oprom/yabel/io.c
deleted file mode 100644
index 5c19b5142c..0000000000
--- a/src/devices/oprom/yabel/io.c
+++ /dev/null
@@ -1,577 +0,0 @@
-/******************************************************************************
- * Copyright (c) 2004, 2008 IBM Corporation
- * Copyright (c) 2009 Pattrick Hueper <phueper@hueper.net>
- * All rights reserved.
- * This program and the accompanying materials
- * are made available under the terms of the BSD License
- * which accompanies this distribution, and is available at
- * http://www.opensource.org/licenses/bsd-license.php
- *
- * Contributors:
- *     IBM Corporation - initial implementation
- *****************************************************************************/
-
-#include <types.h>
-#include "compat/rtas.h"
-#include "compat/time.h"
-#include "device.h"
-#include "debug.h"
-#include <x86emu/x86emu.h>
-#include "io.h"
-
-#if CONFIG_PCI_OPTION_ROM_RUN_YABEL
-#include <device/pci.h>
-#include <device/pci_ops.h>
-#include <device/resource.h>
-#endif
-
-#if CONFIG_ARCH_X86
-#include <arch/io.h>
-#else
-// these are not used, only needed for linking,  must be overridden using X86emu_setupPioFuncs
-// with the functions and struct below
-void
-outb(u8 val, u16 port)
-{
-	printf("WARNING: outb not implemented!\n");
-	HALT_SYS();
-}
-
-void
-outw(u16 val, u16 port)
-{
-	printf("WARNING: outw not implemented!\n");
-	HALT_SYS();
-}
-
-void
-outl(u32 val, u16 port)
-{
-	printf("WARNING: outl not implemented!\n");
-	HALT_SYS();
-}
-
-u8
-inb(u16 port)
-{
-	printf("WARNING: inb not implemented!\n");
-	HALT_SYS();
-	return 0;
-}
-
-u16
-inw(u16 port)
-{
-	printf("WARNING: inw not implemented!\n");
-	HALT_SYS();
-	return 0;
-}
-
-u32
-inl(u16 port)
-{
-	printf("WARNING: inl not implemented!\n");
-	HALT_SYS();
-	return 0;
-}
-#endif
-
-#if CONFIG_YABEL_DIRECTHW
-u8 my_inb(X86EMU_pioAddr addr)
-{
-	u8 val;
-
-	val = inb(addr);
-	DEBUG_PRINTF_IO("inb(0x%04x) = 0x%02x\n", addr, val);
-
-	return val;
-}
-
-u16 my_inw(X86EMU_pioAddr addr)
-{
-	u16 val;
-
-	val = inw(addr);
-	DEBUG_PRINTF_IO("inw(0x%04x) = 0x%04x\n", addr, val);
-
-	return val;
-}
-
-u32 my_inl(X86EMU_pioAddr addr)
-{
-	u32 val;
-
-	val = inl(addr);
-	DEBUG_PRINTF_IO("inl(0x%04x) = 0x%08x\n", addr, val);
-
-	return val;
-}
-
-void my_outb(X86EMU_pioAddr addr, u8 val)
-{
-	DEBUG_PRINTF_IO("outb(0x%02x, 0x%04x)\n", val, addr);
-	outb(val, addr);
-}
-
-void my_outw(X86EMU_pioAddr addr, u16 val)
-{
-	DEBUG_PRINTF_IO("outw(0x%04x, 0x%04x)\n", val, addr);
-	outw(val, addr);
-}
-
-void my_outl(X86EMU_pioAddr addr, u32 val)
-{
-	DEBUG_PRINTF_IO("outl(0x%08x, 0x%04x)\n", val, addr);
-	outl(val, addr);
-}
-
-#else
-
-static unsigned int
-read_io(void *addr, size_t sz)
-{
-        unsigned int ret;
-	/* since we are using inb instructions, we need the port number as 16bit value */
-	u16 port = (u16)(u32) addr;
-
-        switch (sz) {
-        case 1:
-		asm volatile ("inb %1, %b0" : "=a"(ret) : "d" (port));
-                break;
-        case 2:
-		asm volatile ("inw %1, %w0" : "=a"(ret) : "d" (port));
-                break;
-        case 4:
-		asm volatile ("inl %1, %0" : "=a"(ret) : "d" (port));
-                break;
-        default:
-                ret = 0;
-        }
-
-        return ret;
-}
-
-static int
-write_io(void *addr, unsigned int value, size_t sz)
-{
-	u16 port = (u16)(u32) addr;
-        switch (sz) {
-	/* since we are using inb instructions, we need the port number as 16bit value */
-        case 1:
-		asm volatile ("outb %b0, %1" : : "a"(value), "d" (port));
-                break;
-        case 2:
-		asm volatile ("outw %w0, %1" : : "a"(value), "d" (port));
-                break;
-        case 4:
-		asm volatile ("outl %0, %1" : : "a"(value), "d" (port));
-                break;
-        default:
-                return -1;
-        }
-
-        return 0;
-}
-
-u32 pci_cfg_read(X86EMU_pioAddr addr, u8 size);
-void pci_cfg_write(X86EMU_pioAddr addr, u32 val, u8 size);
-u8 handle_port_61h(void);
-
-u8
-my_inb(X86EMU_pioAddr addr)
-{
-	u8 rval = 0xFF;
-	unsigned long translated_addr = addr;
-	u8 translated = biosemu_dev_translate_address(IORESOURCE_IO, &translated_addr);
-	if (translated != 0) {
-		//translation successfull, access Device I/O (BAR or Legacy...)
-		DEBUG_PRINTF_IO("%s(%x): access to Device I/O\n", __func__,
-				addr);
-		//DEBUG_PRINTF_IO("%s(%04x): translated_addr: %llx\n", __func__, addr, translated_addr);
-		rval = read_io((void *)translated_addr, 1);
-		DEBUG_PRINTF_IO("%s(%04x) Device I/O --> %02x\n", __func__,
-				addr, rval);
-		return rval;
-	} else {
-		switch (addr) {
-		case 0x61:
-			//8254 KB Controller / Timer Port
-			// rval = handle_port_61h();
-			rval = inb(0x61);
-			//DEBUG_PRINTF_IO("%s(%04x) KB / Timer Port B --> %02x\n", __func__, addr, rval);
-			return rval;
-			break;
-		case 0xCFC:
-		case 0xCFD:
-		case 0xCFE:
-		case 0xCFF:
-			// PCI Config Mechanism 1 Ports
-			return (u8) pci_cfg_read(addr, 1);
-			break;
-		case 0x0a:
-			CHECK_DBG(DEBUG_INTR) {
-				X86EMU_trace_on();
-			}
-			M.x86.debug &= ~DEBUG_DECODE_NOPRINT_F;
-			//HALT_SYS();
-			// no break, intentional fall-through to default!!
-		default:
-			DEBUG_PRINTF_IO
-			    ("%s(%04x) reading from bios_device.io_buffer\n",
-			     __func__, addr);
-			rval = *((u8 *) (bios_device.io_buffer + addr));
-			DEBUG_PRINTF_IO("%s(%04x) I/O Buffer --> %02x\n",
-					__func__, addr, rval);
-			return rval;
-			break;
-		}
-	}
-}
-
-u16
-my_inw(X86EMU_pioAddr addr)
-{
-	unsigned long translated_addr = addr;
-	u8 translated = biosemu_dev_translate_address(IORESOURCE_IO, &translated_addr);
-	if (translated != 0) {
-		//translation successfull, access Device I/O (BAR or Legacy...)
-		DEBUG_PRINTF_IO("%s(%x): access to Device I/O\n", __func__,
-				addr);
-		//DEBUG_PRINTF_IO("%s(%04x): translated_addr: %llx\n", __func__, addr, translated_addr);
-		u16 rval;
-		if ((translated_addr & (u64) 0x1) == 0) {
-			// 16 bit aligned access...
-			u16 tempval = read_io((void *)translated_addr, 2);
-			//little endian conversion
-			rval = in16le((void *) &tempval);
-		} else {
-			// unaligned access, read single bytes, little-endian
-			rval = (read_io((void *)translated_addr, 1) << 8)
-				| (read_io((void *)(translated_addr + 1), 1));
-		}
-		DEBUG_PRINTF_IO("%s(%04x) Device I/O --> %04x\n", __func__,
-				addr, rval);
-		return rval;
-	} else {
-		switch (addr) {
-		case 0xCFC:
-		case 0xCFE:
-			//PCI Config Mechanism 1
-			return (u16) pci_cfg_read(addr, 2);
-			break;
-		default:
-			DEBUG_PRINTF_IO
-			    ("%s(%04x) reading from bios_device.io_buffer\n",
-			     __func__, addr);
-			u16 rval =
-			    in16le((void *) bios_device.io_buffer + addr);
-			DEBUG_PRINTF_IO("%s(%04x) I/O Buffer --> %04x\n",
-					__func__, addr, rval);
-			return rval;
-			break;
-		}
-	}
-}
-
-u32
-my_inl(X86EMU_pioAddr addr)
-{
-	unsigned long translated_addr = addr;
-	u8 translated = biosemu_dev_translate_address(IORESOURCE_IO, &translated_addr);
-	if (translated != 0) {
-		//translation successfull, access Device I/O (BAR or Legacy...)
-		DEBUG_PRINTF_IO("%s(%x): access to Device I/O\n", __func__,
-				addr);
-		//DEBUG_PRINTF_IO("%s(%04x): translated_addr: %llx\n", __func__, addr, translated_addr);
-		u32 rval;
-		if ((translated_addr & (u64) 0x3) == 0) {
-			// 32 bit aligned access...
-			u32 tempval = read_io((void *) translated_addr, 4);
-			//little endian conversion
-			rval = in32le((void *) &tempval);
-		} else {
-			// unaligned access, read single bytes, little-endian
-			rval = (read_io((void *)(translated_addr), 1) << 24)
-				| (read_io((void *)(translated_addr + 1), 1) << 16)
-				| (read_io((void *)(translated_addr + 2), 1) << 8)
-				| (read_io((void *)(translated_addr + 3), 1));
-		}
-		DEBUG_PRINTF_IO("%s(%04x) Device I/O --> %08x\n", __func__,
-				addr, rval);
-		return rval;
-	} else {
-		switch (addr) {
-		case 0xCFC:
-			//PCI Config Mechanism 1
-			return pci_cfg_read(addr, 4);
-			break;
-		default:
-			DEBUG_PRINTF_IO
-			    ("%s(%04x) reading from bios_device.io_buffer\n",
-			     __func__, addr);
-			u32 rval =
-			    in32le((void *) bios_device.io_buffer + addr);
-			DEBUG_PRINTF_IO("%s(%04x) I/O Buffer --> %08x\n",
-					__func__, addr, rval);
-			return rval;
-			break;
-		}
-	}
-}
-
-void
-my_outb(X86EMU_pioAddr addr, u8 val)
-{
-	unsigned long translated_addr = addr;
-	u8 translated = biosemu_dev_translate_address(IORESOURCE_IO, &translated_addr);
-	if (translated != 0) {
-		//translation successfull, access Device I/O (BAR or Legacy...)
-		DEBUG_PRINTF_IO("%s(%x, %x): access to Device I/O\n",
-				__func__, addr, val);
-		//DEBUG_PRINTF_IO("%s(%04x): translated_addr: %llx\n", __func__, addr, translated_addr);
-		write_io((void *) translated_addr, val, 1);
-		DEBUG_PRINTF_IO("%s(%04x) Device I/O <-- %02x\n", __func__,
-				addr, val);
-	} else {
-		switch (addr) {
-		case 0xCFC:
-		case 0xCFD:
-		case 0xCFE:
-		case 0xCFF:
-			// PCI Config Mechanism 1 Ports
-			pci_cfg_write(addr, val, 1);
-			break;
-		default:
-			DEBUG_PRINTF_IO
-			    ("%s(%04x,%02x) writing to bios_device.io_buffer\n",
-			     __func__, addr, val);
-			*((u8 *) (bios_device.io_buffer + addr)) = val;
-			break;
-		}
-	}
-}
-
-void
-my_outw(X86EMU_pioAddr addr, u16 val)
-{
-	unsigned long translated_addr = addr;
-	u8 translated = biosemu_dev_translate_address(IORESOURCE_IO, &translated_addr);
-	if (translated != 0) {
-		//translation successfull, access Device I/O (BAR or Legacy...)
-		DEBUG_PRINTF_IO("%s(%x, %x): access to Device I/O\n",
-				__func__, addr, val);
-		//DEBUG_PRINTF_IO("%s(%04x): translated_addr: %llx\n", __func__, addr, translated_addr);
-		if ((translated_addr & (u64) 0x1) == 0) {
-			// little-endian conversion
-			u16 tempval = in16le((void *) &val);
-			// 16 bit aligned access...
-			write_io((void *) translated_addr, tempval, 2);
-		} else {
-			// unaligned access, write single bytes, little-endian
-			write_io(((void *) (translated_addr + 1)),
-				(u8) ((val & 0xFF00) >> 8), 1);
-			write_io(((void *) translated_addr),
-				(u8) (val & 0x00FF), 1);
-		}
-		DEBUG_PRINTF_IO("%s(%04x) Device I/O <-- %04x\n", __func__,
-				addr, val);
-	} else {
-		switch (addr) {
-		case 0xCFC:
-		case 0xCFE:
-			// PCI Config Mechanism 1 Ports
-			pci_cfg_write(addr, val, 2);
-			break;
-		default:
-			DEBUG_PRINTF_IO
-			    ("%s(%04x,%04x) writing to bios_device.io_buffer\n",
-			     __func__, addr, val);
-			out16le((void *) bios_device.io_buffer + addr, val);
-			break;
-		}
-	}
-}
-
-void
-my_outl(X86EMU_pioAddr addr, u32 val)
-{
-	unsigned long translated_addr = addr;
-	u8 translated = biosemu_dev_translate_address(IORESOURCE_IO, &translated_addr);
-	if (translated != 0) {
-		//translation successfull, access Device I/O (BAR or Legacy...)
-		DEBUG_PRINTF_IO("%s(%x, %x): access to Device I/O\n",
-				__func__, addr, val);
-		//DEBUG_PRINTF_IO("%s(%04x): translated_addr: %llx\n", __func__, addr, translated_addr);
-		if ((translated_addr & (u64) 0x3) == 0) {
-			// little-endian conversion
-			u32 tempval = in32le((void *) &val);
-			// 32 bit aligned access...
-			write_io((void *) translated_addr,  tempval, 4);
-		} else {
-			// unaligned access, write single bytes, little-endian
-			write_io(((void *) translated_addr + 3),
-			    (u8) ((val & 0xFF000000) >> 24), 1);
-			write_io(((void *) translated_addr + 2),
-			    (u8) ((val & 0x00FF0000) >> 16), 1);
-			write_io(((void *) translated_addr + 1),
-			    (u8) ((val & 0x0000FF00) >> 8), 1);
-			write_io(((void *) translated_addr),
-			    (u8) (val & 0x000000FF), 1);
-		}
-		DEBUG_PRINTF_IO("%s(%04x) Device I/O <-- %08x\n", __func__,
-				addr, val);
-	} else {
-		switch (addr) {
-		case 0xCFC:
-			// PCI Config Mechanism 1 Ports
-			pci_cfg_write(addr, val, 4);
-			break;
-		default:
-			DEBUG_PRINTF_IO
-			    ("%s(%04x,%08x) writing to bios_device.io_buffer\n",
-			     __func__, addr, val);
-			out32le((void *) bios_device.io_buffer + addr, val);
-			break;
-		}
-	}
-}
-
-u32
-pci_cfg_read(X86EMU_pioAddr addr, u8 size)
-{
-	u32 rval = 0xFFFFFFFF;
-	struct device * dev;
-	if ((addr >= 0xCFC) && ((addr + size) <= 0xD00)) {
-		// PCI Configuration Mechanism 1 step 1
-		// write to 0xCF8, sets bus, device, function and Config Space offset
-		// later read from 0xCFC-0xCFF returns the value...
-		u8 bus, devfn, offs;
-		u32 port_cf8_val = my_inl(0xCF8);
-		if ((port_cf8_val & 0x80000000) != 0) {
-			//highest bit enables config space mapping
-			bus = (port_cf8_val & 0x00FF0000) >> 16;
-			devfn = (port_cf8_val & 0x0000FF00) >> 8;
-			offs = (port_cf8_val & 0x000000FF);
-			offs += (addr - 0xCFC);	// if addr is not 0xcfc, the offset is moved accordingly
-			DEBUG_PRINTF_INTR("%s(): PCI Config Read from device: bus: %02x, devfn: %02x, offset: %02x\n",
-				__func__, bus, devfn, offs);
-#if CONFIG_YABEL_PCI_ACCESS_OTHER_DEVICES
-			dev = dev_find_slot(bus, devfn);
-			DEBUG_PRINTF_INTR("%s(): dev_find_slot() returned: %s\n",
-				__func__, dev_path(dev));
-			if (dev == 0) {
-				// fail accesses to non-existent devices...
-#else
-			dev = bios_device.dev;
-			if ((bus != bios_device.bus)
-			     || (devfn != bios_device.devfn)) {
-				// fail accesses to any device but ours...
-#endif
-				printf
-				    ("%s(): Config read access invalid device! bus: %02x (%02x), devfn: %02x (%02x), offs: %02x\n",
-				     __func__, bus, bios_device.bus, devfn,
-				     bios_device.devfn, offs);
-				SET_FLAG(F_CF);
-				HALT_SYS();
-				return 0;
-			} else {
-#if CONFIG_PCI_OPTION_ROM_RUN_YABEL
-				switch (size) {
-					case 1:
-						rval = pci_read_config8(dev, offs);
-						break;
-					case 2:
-						rval = pci_read_config16(dev, offs);
-						break;
-					case 4:
-						rval = pci_read_config32(dev, offs);
-						break;
-				}
-#else
-				rval =
-				    (u32) rtas_pci_config_read(bios_device.
-								    puid, size,
-								    bus, devfn,
-								    offs);
-#endif
-				DEBUG_PRINTF_IO
-				    ("%s(%04x) PCI Config Read @%02x, size: %d --> 0x%08x\n",
-				     __func__, addr, offs, size, rval);
-			}
-		}
-	}
-	return rval;
-}
-
-void
-pci_cfg_write(X86EMU_pioAddr addr, u32 val, u8 size)
-{
-	if ((addr >= 0xCFC) && ((addr + size) <= 0xD00)) {
-		// PCI Configuration Mechanism 1 step 1
-		// write to 0xCF8, sets bus, device, function and Config Space offset
-		// later write to 0xCFC-0xCFF sets the value...
-		u8 bus, devfn, offs;
-		u32 port_cf8_val = my_inl(0xCF8);
-		if ((port_cf8_val & 0x80000000) != 0) {
-			//highest bit enables config space mapping
-			bus = (port_cf8_val & 0x00FF0000) >> 16;
-			devfn = (port_cf8_val & 0x0000FF00) >> 8;
-			offs = (port_cf8_val & 0x000000FF);
-			offs += (addr - 0xCFC);	// if addr is not 0xcfc, the offset is moved accordingly
-			if ((bus != bios_device.bus)
-			    || (devfn != bios_device.devfn)) {
-				// fail accesses to any device but ours...
-				printf
-				    ("Config write access invalid! PCI device %x:%x.%x, offs: %x\n",
-				     bus, devfn >> 3, devfn & 7, offs);
-#if !CONFIG_YABEL_PCI_FAKE_WRITING_OTHER_DEVICES_CONFIG
-				HALT_SYS();
-#endif
-			} else {
-#if CONFIG_PCI_OPTION_ROM_RUN_YABEL
-				switch (size) {
-					case 1:
-						pci_write_config8(bios_device.dev, offs, val);
-						break;
-					case 2:
-						pci_write_config16(bios_device.dev, offs, val);
-						break;
-					case 4:
-						pci_write_config32(bios_device.dev, offs, val);
-						break;
-				}
-#else
-				rtas_pci_config_write(bios_device.puid,
-						      size, bus, devfn, offs,
-						      val);
-#endif
-				DEBUG_PRINTF_IO
-				    ("%s(%04x) PCI Config Write @%02x, size: %d <-- 0x%08x\n",
-				     __func__, addr, offs, size, val);
-			}
-		}
-	}
-}
-
-u8
-handle_port_61h(void)
-{
-	static u64 last_time = 0;
-	u64 curr_time = get_time();
-	u64 time_diff;	// time since last call
-	u32 period_ticks;	// length of a period in ticks
-	u32 nr_periods;	//number of periods passed since last call
-	// bit 4 should toggle with every (DRAM) refresh cycle... (66kHz??)
-	time_diff = curr_time - last_time;
-	// at 66kHz a period is ~ 15 ns long, converted to ticks: (tb_freq is ticks/second)
-	// TODO: as long as the frequency does not change, we should not calculate this every time
-	period_ticks = (15 * tb_freq) / 1000000;
-	nr_periods = time_diff / period_ticks;
-	// if the number if ticks passed since last call is odd, we toggle bit 4
-	if ((nr_periods % 2) != 0) {
-		*((u8 *) (bios_device.io_buffer + 0x61)) ^= 0x10;
-	}
-	//finally read the value from the io_buffer
-	return *((u8 *) (bios_device.io_buffer + 0x61));
-}
-#endif
diff --git a/src/devices/oprom/yabel/io.h b/src/devices/oprom/yabel/io.h
deleted file mode 100644
index 6b2dcc4504..0000000000
--- a/src/devices/oprom/yabel/io.h
+++ /dev/null
@@ -1,30 +0,0 @@
-/******************************************************************************
- * Copyright (c) 2004, 2008 IBM Corporation
- * All rights reserved.
- * This program and the accompanying materials
- * are made available under the terms of the BSD License
- * which accompanies this distribution, and is available at
- * http://www.opensource.org/licenses/bsd-license.php
- *
- * Contributors:
- *     IBM Corporation - initial implementation
- *****************************************************************************/
-
-#ifndef _BIOSEMU_IO_H_
-#define _BIOSEMU_IO_H_
-#include <x86emu/x86emu.h>
-#include <types.h>
-
-u8 my_inb(X86EMU_pioAddr addr);
-
-u16 my_inw(X86EMU_pioAddr addr);
-
-u32 my_inl(X86EMU_pioAddr addr);
-
-void my_outb(X86EMU_pioAddr addr, u8 val);
-
-void my_outw(X86EMU_pioAddr addr, u16 val);
-
-void my_outl(X86EMU_pioAddr addr, u32 val);
-
-#endif
diff --git a/src/devices/oprom/yabel/mem.c b/src/devices/oprom/yabel/mem.c
deleted file mode 100644
index 4b4a552813..0000000000
--- a/src/devices/oprom/yabel/mem.c
+++ /dev/null
@@ -1,501 +0,0 @@
-/******************************************************************************
- * Copyright (c) 2004, 2008 IBM Corporation
- * Copyright (c) 2009 Pattrick Hueper <phueper@hueper.net>
- * All rights reserved.
- * This program and the accompanying materials
- * are made available under the terms of the BSD License
- * which accompanies this distribution, and is available at
- * http://www.opensource.org/licenses/bsd-license.php
- *
- * Contributors:
- *     IBM Corporation - initial implementation
- *****************************************************************************/
-
-#include <types.h>
-#include "debug.h"
-#include "device.h"
-#include "x86emu/x86emu.h"
-#include "biosemu.h"
-#include "mem.h"
-#include "compat/time.h"
-
-#if !CONFIG_YABEL_DIRECTHW || !CONFIG_YABEL_DIRECTHW
-
-#if CONFIG_PCI_OPTION_ROM_RUN_YABEL
-#include <device/resource.h>
-#endif
-
-// define a check for access to certain (virtual) memory regions (interrupt handlers, BIOS Data Area, ...)
-#if CONFIG_X86EMU_DEBUG
-static u8 in_check = 0;	// to avoid recursion...
-
-static inline void DEBUG_CHECK_VMEM_READ(u32 _addr, u32 _rval)
-{
-	u16 ebda_segment;
-	u32 ebda_size;
-	if (!((debug_flags & DEBUG_CHECK_VMEM_ACCESS) && (in_check == 0)))
-		return;
-	in_check = 1;
-	/* determine ebda_segment and size
-	* since we are using my_rdx calls, make sure, this is after setting in_check! */
-	/* offset 03 in BDA is EBDA segment */
-	ebda_segment = my_rdw(0x40e);
-	/* first value in ebda is size in KB */
-	ebda_size = my_rdb(ebda_segment << 4) * 1024;
-	/* check Interrupt Vector Access (0000:0000h - 0000:0400h) */
-	if (_addr < 0x400) {
-		DEBUG_PRINTF_CS_IP("%s: read from Interrupt Vector %x --> %x\n",
-				__func__, _addr / 4, _rval);
-	}
-	/* access to BIOS Data Area (0000:0400h - 0000:0500h)*/
-	else if ((_addr >= 0x400) && (_addr < 0x500)) {
-		DEBUG_PRINTF_CS_IP("%s: read from BIOS Data Area: addr: %x --> %x\n",
-				__func__, _addr, _rval);
-		/* dump registers */
-		/* x86emu_dump_xregs(); */
-	}
-	/* access to first 64k of memory... */
-	else if (_addr < 0x10000) {
-		DEBUG_PRINTF_CS_IP("%s: read from segment 0000h: addr: %x --> %x\n",
-				__func__, _addr, _rval);
-		/* dump registers */
-		/* x86emu_dump_xregs(); */
-	}
-	/* read from PMM_CONV_SEGMENT */
-	else if ((_addr <= ((PMM_CONV_SEGMENT << 4) | 0xffff)) && (_addr >= (PMM_CONV_SEGMENT << 4))) {
-		DEBUG_PRINTF_CS_IP("%s: read from PMM Segment %04xh: addr: %x --> %x\n",
-				__func__, PMM_CONV_SEGMENT, _addr, _rval);
-		/* HALT_SYS(); */
-		/* dump registers */
-		/* x86emu_dump_xregs(); */
-	}
-	/* read from PNP_DATA_SEGMENT */
-	else if ((_addr <= ((PNP_DATA_SEGMENT << 4) | 0xffff)) && (_addr >= (PNP_DATA_SEGMENT << 4))) {
-		DEBUG_PRINTF_CS_IP("%s: read from PnP Data Segment %04xh: addr: %x --> %x\n",
-				__func__, PNP_DATA_SEGMENT, _addr, _rval);
-		/* HALT_SYS(); */
-		/* dump registers */
-		/* x86emu_dump_xregs(); */
-	}
-	/* read from EBDA Segment */
-	else if ((_addr <= ((ebda_segment << 4) | (ebda_size - 1))) && (_addr >= (ebda_segment << 4))) {
-		DEBUG_PRINTF_CS_IP("%s: read from Extended BIOS Data Area %04xh, size: %04x: addr: %x --> %x\n",
-				__func__, ebda_segment, ebda_size, _addr, _rval);
-	}
-	/* read from BIOS_DATA_SEGMENT */
-	else if ((_addr <= ((BIOS_DATA_SEGMENT << 4) | 0xffff)) && (_addr >= (BIOS_DATA_SEGMENT << 4))) {
-		DEBUG_PRINTF_CS_IP("%s: read from BIOS Data Segment %04xh: addr: %x --> %x\n",
-				__func__, BIOS_DATA_SEGMENT, _addr, _rval);
-		/* for PMM debugging */
-		/*if (_addr == BIOS_DATA_SEGMENT << 4) {
-			X86EMU_trace_on();
-			M.x86.debug &= ~DEBUG_DECODE_NOPRINT_F;
-		}*/
-		/* dump registers */
-		/* x86emu_dump_xregs(); */
-	}
-	in_check = 0;
-}
-
-static inline void DEBUG_CHECK_VMEM_WRITE(u32 _addr, u32 _val)
-{
-	u16 ebda_segment;
-	u32 ebda_size;
-	if (!((debug_flags & DEBUG_CHECK_VMEM_ACCESS) && (in_check == 0)))
-		return;
-	in_check = 1;
-	/* determine ebda_segment and size
-	 * since we are using my_rdx calls, make sure that this is after
-	 * setting in_check! */
-	/* offset 03 in BDA is EBDA segment */
-	ebda_segment = my_rdw(0x40e);
-	/* first value in ebda is size in KB */
-	ebda_size = my_rdb(ebda_segment << 4) * 1024;
-	/* check Interrupt Vector Access (0000:0000h - 0000:0400h) */
-	if (_addr < 0x400) {
-		DEBUG_PRINTF_CS_IP("%s: write to Interrupt Vector %x <-- %x\n",
-				__func__, _addr / 4, _val);
-	}
-	/* access to BIOS Data Area (0000:0400h - 0000:0500h)*/
-	else if ((_addr >= 0x400) && (_addr < 0x500)) {
-		DEBUG_PRINTF_CS_IP("%s: write to BIOS Data Area: addr: %x <-- %x\n",
-					__func__, _addr, _val);
-		/* dump registers */
-		/* x86emu_dump_xregs(); */
-	}
-	/* access to first 64k of memory...*/
-	else if (_addr < 0x10000) {
-		DEBUG_PRINTF_CS_IP("%s: write to segment 0000h: addr: %x <-- %x\n",
-				__func__, _addr, _val);
-	/* dump registers */
-		/* x86emu_dump_xregs(); */
-	}
-	/* write to PMM_CONV_SEGMENT... */
-	else if ((_addr <= ((PMM_CONV_SEGMENT << 4) | 0xffff)) && (_addr >= (PMM_CONV_SEGMENT << 4))) {
-		DEBUG_PRINTF_CS_IP("%s: write to PMM Segment %04xh: addr: %x <-- %x\n",
-				__func__, PMM_CONV_SEGMENT, _addr, _val);
-		/* dump registers */
-		/* x86emu_dump_xregs(); */
-	}
-	/* write to PNP_DATA_SEGMENT... */
-	else if ((_addr <= ((PNP_DATA_SEGMENT << 4) | 0xffff)) && (_addr >= (PNP_DATA_SEGMENT << 4))) {
-		DEBUG_PRINTF_CS_IP("%s: write to PnP Data Segment %04xh: addr: %x <-- %x\n",
-				__func__, PNP_DATA_SEGMENT, _addr, _val);
-		/* dump registers */
-		/* x86emu_dump_xregs(); */
-	}
-	/* write to EBDA Segment... */
-	else if ((_addr <= ((ebda_segment << 4) | (ebda_size - 1))) && (_addr >= (ebda_segment << 4))) {
-		DEBUG_PRINTF_CS_IP("%s: write to Extended BIOS Data Area %04xh, size: %04x: addr: %x <-- %x\n",
-				__func__, ebda_segment, ebda_size, _addr, _val);
-	}
-	/* write to BIOS_DATA_SEGMENT... */
-	else if ((_addr <= ((BIOS_DATA_SEGMENT << 4) | 0xffff)) && (_addr >= (BIOS_DATA_SEGMENT << 4))) {
-		DEBUG_PRINTF_CS_IP("%s: write to BIOS Data Segment %04xh: addr: %x <-- %x\n",
-				__func__, BIOS_DATA_SEGMENT, _addr, _val);
-		/* dump registers */
-		/* x86emu_dump_xregs(); */
-	}
-	/* write to current CS segment... */
-	else if ((_addr < ((M.x86.R_CS << 4) | 0xffff)) && (_addr > (M.x86.R_CS << 4))) {
-		DEBUG_PRINTF_CS_IP("%s: write to CS segment %04xh: addr: %x <-- %x\n",
-				__func__, M.x86.R_CS, _addr, _val);
-		/* dump registers */
-		/* x86emu_dump_xregs(); */
-	}
-	in_check = 0;
-}
-#else
-static inline void DEBUG_CHECK_VMEM_READ(u32 _addr, u32 _rval) {};
-static inline void DEBUG_CHECK_VMEM_WRITE(u32 _addr, u32 _val) {};
-#endif
-
-//update time in BIOS Data Area
-//DWord at offset 0x6c is the timer ticks since midnight, timer is running at 18Hz
-//byte at 0x70 is timer overflow (set if midnight passed since last call to interrupt 1a function 00
-//cur_val is the current value, of offset 6c...
-static void
-update_time(u32 cur_val)
-{
-	//for convenience, we let the start of timebase be at midnight, we currently dont support
-	//real daytime anyway...
-	u64 ticks_per_day = tb_freq * 60 * 24;
-	// at 18Hz a period is ~55ms, converted to ticks (tb_freq is ticks/second)
-	u32 period_ticks = (55 * tb_freq) / 1000;
-	u64 curr_time = get_time();
-	u64 ticks_since_midnight = curr_time % ticks_per_day;
-	u32 periods_since_midnight = ticks_since_midnight / period_ticks;
-	// if periods since midnight is smaller than last value, set overflow
-	// at BDA Offset 0x70
-	if (periods_since_midnight < cur_val) {
-		my_wrb(0x470, 1);
-	}
-	// store periods since midnight at BDA offset 0x6c
-	my_wrl(0x46c, periods_since_midnight);
-}
-
-// read byte from memory
-u8
-my_rdb(u32 addr)
-{
-	unsigned long translated_addr = addr;
-	u8 translated = biosemu_dev_translate_address(IORESOURCE_MEM, &translated_addr);
-	u8 rval;
-	if (translated != 0) {
-		//translation successfull, access VGA Memory (BAR or Legacy...)
-		DEBUG_PRINTF_MEM("%s(%08x): access to VGA Memory\n",
-				 __func__, addr);
-		//DEBUG_PRINTF_MEM("%s(%08x): translated_addr: %llx\n", __func__, addr, translated_addr);
-		set_ci();
-		rval = *((u8 *) translated_addr);
-		clr_ci();
-		DEBUG_PRINTF_MEM("%s(%08x) VGA --> %02x\n", __func__, addr,
-				 rval);
-		return rval;
-	} else if (addr > M.mem_size) {
-		DEBUG_PRINTF("%s(%08x): Memory Access out of range!\n",
-			     __func__, addr);
-		//disassemble_forward(M.x86.saved_cs, M.x86.saved_ip, 1);
-		HALT_SYS();
-	} else {
-		/* read from virtual memory */
-		rval = *((u8 *) (M.mem_base + addr));
-		DEBUG_CHECK_VMEM_READ(addr, rval);
-		return rval;
-	}
-	return -1;
-}
-
-//read word from memory
-u16
-my_rdw(u32 addr)
-{
-	unsigned long translated_addr = addr;
-	u8 translated = biosemu_dev_translate_address(IORESOURCE_MEM, &translated_addr);
-	u16 rval;
-	if (translated != 0) {
-		//translation successfull, access VGA Memory (BAR or Legacy...)
-		DEBUG_PRINTF_MEM("%s(%08x): access to VGA Memory\n",
-				 __func__, addr);
-		//DEBUG_PRINTF_MEM("%s(%08x): translated_addr: %llx\n", __func__, addr, translated_addr);
-		// check for legacy memory, because of the remapping to BARs, the reads must
-		// be byte reads...
-		if ((addr >= 0xa0000) && (addr < 0xc0000)) {
-			//read bytes a using my_rdb, because of the remapping to BARs
-			//words may not be contiguous in memory, so we need to translate
-			//every address...
-			rval = ((u8) my_rdb(addr)) |
-			    (((u8) my_rdb(addr + 1)) << 8);
-		} else {
-			if ((translated_addr & (u64) 0x1) == 0) {
-				// 16 bit aligned access...
-				set_ci();
-				rval = in16le((void *) translated_addr);
-				clr_ci();
-			} else {
-				// unaligned access, read single bytes
-				set_ci();
-				rval = (*((u8 *) translated_addr)) |
-				    (*((u8 *) translated_addr + 1) << 8);
-				clr_ci();
-			}
-		}
-		DEBUG_PRINTF_MEM("%s(%08x) VGA --> %04x\n", __func__, addr,
-				 rval);
-		return rval;
-	} else if (addr > M.mem_size) {
-		DEBUG_PRINTF("%s(%08x): Memory Access out of range!\n",
-			     __func__, addr);
-		//disassemble_forward(M.x86.saved_cs, M.x86.saved_ip, 1);
-		HALT_SYS();
-	} else {
-		/* read from virtual memory */
-		rval = in16le((void *) (M.mem_base + addr));
-		DEBUG_CHECK_VMEM_READ(addr, rval);
-		return rval;
-	}
-	return -1;
-}
-
-//read long from memory
-u32
-my_rdl(u32 addr)
-{
-	unsigned long translated_addr = addr;
-	u8 translated = biosemu_dev_translate_address(IORESOURCE_MEM, &translated_addr);
-	u32 rval;
-	if (translated != 0) {
-		//translation successfull, access VGA Memory (BAR or Legacy...)
-		DEBUG_PRINTF_MEM("%s(%x): access to VGA Memory\n",
-				 __func__, addr);
-		//DEBUG_PRINTF_MEM("%s(%08x): translated_addr: %llx\n", __func__, addr, translated_addr);
-		// check for legacy memory, because of the remapping to BARs, the reads must
-		// be byte reads...
-		if ((addr >= 0xa0000) && (addr < 0xc0000)) {
-			//read bytes a using my_rdb, because of the remapping to BARs
-			//dwords may not be contiguous in memory, so we need to translate
-			//every address...
-			rval = ((u8) my_rdb(addr)) |
-			    (((u8) my_rdb(addr + 1)) << 8) |
-			    (((u8) my_rdb(addr + 2)) << 16) |
-			    (((u8) my_rdb(addr + 3)) << 24);
-		} else {
-			if ((translated_addr & (u64) 0x3) == 0) {
-				// 32 bit aligned access...
-				set_ci();
-				rval = in32le((void *) translated_addr);
-				clr_ci();
-			} else {
-				// unaligned access, read single bytes
-				set_ci();
-				rval = (*((u8 *) translated_addr)) |
-				    (*((u8 *) translated_addr + 1) << 8) |
-				    (*((u8 *) translated_addr + 2) << 16) |
-				    (*((u8 *) translated_addr + 3) << 24);
-				clr_ci();
-			}
-		}
-		DEBUG_PRINTF_MEM("%s(%08x) VGA --> %08x\n", __func__, addr,
-				 rval);
-		//HALT_SYS();
-		return rval;
-	} else if (addr > M.mem_size) {
-		DEBUG_PRINTF("%s(%08x): Memory Access out of range!\n",
-			     __func__, addr);
-		//disassemble_forward(M.x86.saved_cs, M.x86.saved_ip, 1);
-		HALT_SYS();
-	} else {
-		/* read from virtual memory */
-		rval = in32le((void *) (M.mem_base + addr));
-		switch (addr) {
-		case 0x46c:
-			//BDA Time Data, update it, before reading
-			update_time(rval);
-			rval = in32le((void *) (M.mem_base + addr));
-			break;
-		}
-		DEBUG_CHECK_VMEM_READ(addr, rval);
-		return rval;
-	}
-	return -1;
-}
-
-//write byte to memory
-void
-my_wrb(u32 addr, u8 val)
-{
-	unsigned long translated_addr = addr;
-	u8 translated = biosemu_dev_translate_address(IORESOURCE_MEM, &translated_addr);
-	if (translated != 0) {
-		//translation successfull, access VGA Memory (BAR or Legacy...)
-		DEBUG_PRINTF_MEM("%s(%x, %x): access to VGA Memory\n",
-				 __func__, addr, val);
-		//DEBUG_PRINTF_MEM("%s(%08x): translated_addr: %llx\n", __func__, addr, translated_addr);
-		set_ci();
-		*((u8 *) translated_addr) = val;
-		clr_ci();
-	} else if (addr > M.mem_size) {
-		DEBUG_PRINTF("%s(%08x): Memory Access out of range!\n",
-			     __func__, addr);
-		//disassemble_forward(M.x86.saved_cs, M.x86.saved_ip, 1);
-		HALT_SYS();
-	} else {
-		/* write to virtual memory */
-		DEBUG_CHECK_VMEM_WRITE(addr, val);
-		*((u8 *) (M.mem_base + addr)) = val;
-	}
-}
-
-void
-my_wrw(u32 addr, u16 val)
-{
-	unsigned long translated_addr = addr;
-	u8 translated = biosemu_dev_translate_address(IORESOURCE_MEM, &translated_addr);
-	if (translated != 0) {
-		//translation successfull, access VGA Memory (BAR or Legacy...)
-		DEBUG_PRINTF_MEM("%s(%x, %x): access to VGA Memory\n",
-				 __func__, addr, val);
-		//DEBUG_PRINTF_MEM("%s(%08x): translated_addr: %llx\n", __func__, addr, translated_addr);
-		// check for legacy memory, because of the remapping to BARs, the reads must
-		// be byte reads...
-		if ((addr >= 0xa0000) && (addr < 0xc0000)) {
-			//read bytes a using my_rdb, because of the remapping to BARs
-			//words may not be contiguous in memory, so we need to translate
-			//every address...
-			my_wrb(addr, (u8) (val & 0x00FF));
-			my_wrb(addr + 1, (u8) ((val & 0xFF00) >> 8));
-		} else {
-			if ((translated_addr & (u64) 0x1) == 0) {
-				// 16 bit aligned access...
-				set_ci();
-				out16le((void *) translated_addr, val);
-				clr_ci();
-			} else {
-				// unaligned access, write single bytes
-				set_ci();
-				*((u8 *) translated_addr) =
-				    (u8) (val & 0x00FF);
-				*((u8 *) translated_addr + 1) =
-				    (u8) ((val & 0xFF00) >> 8);
-				clr_ci();
-			}
-		}
-	} else if (addr > M.mem_size) {
-		DEBUG_PRINTF("%s(%08x): Memory Access out of range!\n",
-			     __func__, addr);
-		//disassemble_forward(M.x86.saved_cs, M.x86.saved_ip, 1);
-		HALT_SYS();
-	} else {
-		/* write to virtual memory */
-		DEBUG_CHECK_VMEM_WRITE(addr, val);
-		out16le((void *) (M.mem_base + addr), val);
-	}
-}
-void
-my_wrl(u32 addr, u32 val)
-{
-	unsigned long translated_addr = addr;
-	u8 translated = biosemu_dev_translate_address(IORESOURCE_MEM, &translated_addr);
-	if (translated != 0) {
-		//translation successfull, access VGA Memory (BAR or Legacy...)
-		DEBUG_PRINTF_MEM("%s(%x, %x): access to VGA Memory\n",
-				 __func__, addr, val);
-		//DEBUG_PRINTF_MEM("%s(%08x): translated_addr: %llx\n",  __func__, addr, translated_addr);
-		// check for legacy memory, because of the remapping to BARs, the reads must
-		// be byte reads...
-		if ((addr >= 0xa0000) && (addr < 0xc0000)) {
-			//read bytes a using my_rdb, because of the remapping to BARs
-			//words may not be contiguous in memory, so we need to translate
-			//every address...
-			my_wrb(addr, (u8) (val & 0x000000FF));
-			my_wrb(addr + 1, (u8) ((val & 0x0000FF00) >> 8));
-			my_wrb(addr + 2, (u8) ((val & 0x00FF0000) >> 16));
-			my_wrb(addr + 3, (u8) ((val & 0xFF000000) >> 24));
-		} else {
-			if ((translated_addr & (u64) 0x3) == 0) {
-				// 32 bit aligned access...
-				set_ci();
-				out32le((void *) translated_addr, val);
-				clr_ci();
-			} else {
-				// unaligned access, write single bytes
-				set_ci();
-				*((u8 *) translated_addr) =
-				    (u8) (val & 0x000000FF);
-				*((u8 *) translated_addr + 1) =
-				    (u8) ((val & 0x0000FF00) >> 8);
-				*((u8 *) translated_addr + 2) =
-				    (u8) ((val & 0x00FF0000) >> 16);
-				*((u8 *) translated_addr + 3) =
-				    (u8) ((val & 0xFF000000) >> 24);
-				clr_ci();
-			}
-		}
-	} else if (addr > M.mem_size) {
-		DEBUG_PRINTF("%s(%08x): Memory Access out of range!\n",
-			     __func__, addr);
-		//disassemble_forward(M.x86.saved_cs, M.x86.saved_ip, 1);
-		HALT_SYS();
-	} else {
-		/* write to virtual memory */
-		DEBUG_CHECK_VMEM_WRITE(addr, val);
-		out32le((void *) (M.mem_base + addr), val);
-	}
-}
-#else
-u8
-my_rdb(u32 addr)
-{
-	return rdb(addr);
-}
-
-u16
-my_rdw(u32 addr)
-{
-	return rdw(addr);
-}
-
-u32
-my_rdl(u32 addr)
-{
-	return rdl(addr);
-}
-
-void
-my_wrb(u32 addr, u8 val)
-{
-	wrb(addr, val);
-}
-
-void
-my_wrw(u32 addr, u16 val)
-{
-	wrw(addr, val);
-}
-
-void
-my_wrl(u32 addr, u32 val)
-{
-	wrl(addr, val);
-}
-#endif
diff --git a/src/devices/oprom/yabel/mem.h b/src/devices/oprom/yabel/mem.h
deleted file mode 100644
index dca8cfc192..0000000000
--- a/src/devices/oprom/yabel/mem.h
+++ /dev/null
@@ -1,36 +0,0 @@
-/******************************************************************************
- * Copyright (c) 2004, 2008 IBM Corporation
- * All rights reserved.
- * This program and the accompanying materials
- * are made available under the terms of the BSD License
- * which accompanies this distribution, and is available at
- * http://www.opensource.org/licenses/bsd-license.php
- *
- * Contributors:
- *     IBM Corporation - initial implementation
- *****************************************************************************/
-
-#ifndef _BIOSEMU_MEM_H_
-#define _BIOSEMU_MEM_H_
-#include <x86emu/x86emu.h>
-#include <types.h>
-
-// read byte from memory
-u8 my_rdb(u32 addr);
-
-//read word from memory
-u16 my_rdw(u32 addr);
-
-//read long from memory
-u32 my_rdl(u32 addr);
-
-//write byte to memory
-void my_wrb(u32 addr, u8 val);
-
-//write word to memory
-void my_wrw(u32 addr, u16 val);
-
-//write long to memory
-void my_wrl(u32 addr, u32 val);
-
-#endif
diff --git a/src/devices/oprom/yabel/pmm.c b/src/devices/oprom/yabel/pmm.c
deleted file mode 100644
index 19d14d46b6..0000000000
--- a/src/devices/oprom/yabel/pmm.c
+++ /dev/null
@@ -1,442 +0,0 @@
-/****************************************************************************
- * YABEL BIOS Emulator
- *
- * This program and the accompanying materials
- * are made available under the terms of the BSD License
- * which accompanies this distribution, and is available at
- * http://www.opensource.org/licenses/bsd-license.php
- *
- * Copyright (c) 2008 Pattrick Hueper <phueper@hueper.net>
- ****************************************************************************/
-
-#include <x86emu/x86emu.h>
-#include "../x86emu/prim_ops.h"
-#include <string.h>
-
-#include "biosemu.h"
-#include "pmm.h"
-#include "debug.h"
-#include "device.h"
-
-/* this struct is used to remember which PMM spaces
- * have been assigned. MAX_PMM_AREAS defines how many
- * PMM areas we can assign.
- * All areas are assigned in PMM_CONV_SEGMENT
- */
-typedef struct {
-	u32 handle;		/* handle that is returned to PMM caller */
-	u32 offset;		/* in PMM_CONV_SEGMENT */
-	u32 length;		/* length of this area */
-} pmm_allocation_t;
-
-#define MAX_PMM_AREAS 10
-
-/* array to store the above structs */
-static pmm_allocation_t pmm_allocation_array[MAX_PMM_AREAS];
-
-/* index into pmm_allocation_array */
-static u32 curr_pmm_allocation_index = 0;
-
-/* This function is used to setup the PMM struct in virtual memory
- * at a certain offset, the length of the PMM struct is returned */
-u8 pmm_setup(u16 segment, u16 offset)
-{
-	/* setup the PMM structure */
-	pmm_information_t *pis =
-	    (pmm_information_t *) (M.mem_base + (((u32) segment) << 4) +
-				   offset);
-	memset(pis, 0, sizeof(pmm_information_t));
-	/* set signature to $PMM */
-	pis->signature[0] = '$';
-	pis->signature[1] = 'P';
-	pis->signature[2] = 'M';
-	pis->signature[3] = 'M';
-	/* revision as specified */
-	pis->struct_rev = 0x01;
-	/* internal length, excluding code */
-	pis->length = ((void *)&(pis->code) - (void *)&(pis->signature));
-	/* the code to be executed, pointed to by entry_point_offset */
-	pis->code[0] = 0xCD;	/* INT */
-	pis->code[1] = PMM_INT_NUM;	/* my selfdefined PMM INT number */
-	pis->code[2] = 0xCB;	/* RETF */
-	/* set the entry_point_offset, it should point to pis->code, segment is the segment of
-	 * this struct. Since pis->length is the length of the struct excluding code, offset+pis->length
-	 * points to the code... it's that simple ;-)
-	 */
-	out32le(&(pis->entry_point_offset),
-		(u32) segment << 16 | (u32) (offset + pis->length));
-	/* checksum calculation */
-	u8 i;
-	u8 checksum = 0;
-	for (i = 0; i < pis->length; i++) {
-		checksum += *(((u8 *) pis) + i);
-	}
-	pis->checksum = ((u8) 0) - checksum;
-	CHECK_DBG(DEBUG_PMM) {
-		DEBUG_PRINTF_PMM("PMM Structure:\n");
-		dump((void *)pis, sizeof(pmm_information_t));
-	}
-	return sizeof(pmm_information_t);
-}
-
-/* handle the selfdefined interrupt, this is executed, when the PMM Entry Point
- * is executed, it must handle all PMM requests
- */
-void pmm_handleInt()
-{
-	u32 rval = 0;
-	u16 function, flags;
-	u32 handle, length;
-	u32 i, j;
-	u32 buffer;
-	/* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
-	 * according to the PMM Spec "the flags and all registers, except DX and AX
-	 * are preserved across calls to PMM"
-	 * so we save M.x86 and in :exit label we restore it, however, this means that no
-	 * returns must be used in this function, any exit must use goto exit!
-	 * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
-	 */
-	X86EMU_regs backup_regs = M.x86;
-	pop_long();		/* pop the return address, this is already saved in INT handler, we don't need
-				   to remember this. */
-	function = pop_word();
-	switch (function) {
-	case 0:
-		/* function pmmAllocate */
-		length = pop_long();
-		length *= 16;	/* length is passed in "paragraphs" of 16 bytes each */
-		handle = pop_long();
-		flags = pop_word();
-		DEBUG_PRINTF_PMM
-		    ("%s: pmmAllocate: Length: %x, Handle: %x, Flags: %x\n",
-		     __func__, length, handle, flags);
-		if ((flags & 0x1) != 0) {
-			/* request to allocate in  conventional memory */
-			if (curr_pmm_allocation_index >= MAX_PMM_AREAS) {
-				printf
-				    ("%s: pmmAllocate: Maximum Number of allocatable areas reached (%d), cannot allocate more memory!\n",
-				     __func__, MAX_PMM_AREAS);
-				rval = 0;
-				goto exit;
-			}
-			/* some ROMs seem to be confused by offset 0, so lets start at 0x100 */
-			u32 next_offset = 0x100;
-			pmm_allocation_t *pmm_alloc =
-			    &(pmm_allocation_array[curr_pmm_allocation_index]);
-			if (curr_pmm_allocation_index != 0) {
-				/* we have already allocated... get the new next_offset
-				 * from the previous pmm_allocation_t */
-				next_offset =
-				    pmm_allocation_array
-				    [curr_pmm_allocation_index - 1].offset +
-				    pmm_allocation_array
-				    [curr_pmm_allocation_index - 1].length;
-			}
-			DEBUG_PRINTF_PMM("%s: next_offset: 0x%x\n",
-					 __func__, next_offset);
-			if (length == 0) {
-				/* largest possible block size requested, we have on segment
-				 * to allocate, so largest possible is segment size (0xFFFF)
-				 * minus next_offset
-				 */
-				rval = 0xFFFF - next_offset;
-				goto exit;
-			}
-			u32 align = 0;
-			if (((flags & 0x4) != 0) && (length > 0)) {
-				/* align to least significant bit set in length param */
-				u8 lsb = 0;
-				while (((length >> lsb) & 0x1) == 0) {
-					lsb++;
-				}
-				align = 1 << lsb;
-			}
-			/* always align at least to paragraph (16byte) boundary
-			 * hm... since the length is always in paragraphs, we cannot
-			 * align outside of paragraphs anyway... so this check might
-			 * be unnecessary...*/
-			if (align < 0x10) {
-				align = 0x10;
-			}
-			DEBUG_PRINTF_PMM("%s: align: 0x%x\n", __func__,
-					 align);
-			if ((next_offset & (align - 1)) != 0) {
-				/* not yet aligned... align! */
-				next_offset += align;
-				next_offset &= ~(align - 1);
-			}
-			if ((next_offset + length) > 0xFFFF) {
-				rval = 0;
-				printf
-				    ("%s: pmmAllocate: Not enough memory available for allocation!\n",
-				     __func__);
-				goto exit;
-			}
-			curr_pmm_allocation_index++;
-			/* remember the values in pmm_allocation_array */
-			pmm_alloc->handle = handle;
-			pmm_alloc->offset = next_offset;
-			pmm_alloc->length = length;
-			/* return the 32bit "physical" address, i.e. combination of segment and offset */
-			rval = ((u32) (PMM_CONV_SEGMENT << 16)) | next_offset;
-			DEBUG_PRINTF_PMM
-			    ("%s: pmmAllocate: allocated memory at %x\n",
-			     __func__, rval);
-		} else {
-			rval = 0;
-			printf
-			    ("%s: pmmAllocate: allocation in extended memory not supported!\n",
-			     __func__);
-		}
-		goto exit;
-	case 1:
-		/* function pmmFind */
-		handle = pop_long();	/* the handle to lookup */
-		DEBUG_PRINTF_PMM("%s: pmmFind: Handle: %x\n", __func__,
-				 handle);
-		i = 0;
-		for (i = 0; i < curr_pmm_allocation_index; i++) {
-			if (pmm_allocation_array[i].handle == handle) {
-				DEBUG_PRINTF_PMM
-				    ("%s: pmmFind: found allocated memory at %x\n",
-				     __func__, rval);
-				/* return the 32bit "physical" address, i.e. combination of segment and offset */
-				rval =
-				    ((u32) (PMM_CONV_SEGMENT << 16)) |
-				    pmm_allocation_array[i].offset;
-			}
-		}
-		if (rval == 0) {
-			DEBUG_PRINTF_PMM
-			    ("%s: pmmFind: handle (%x) not found!\n",
-			     __func__, handle);
-		}
-		goto exit;
-	case 2:
-		/* function pmmDeallocate */
-		buffer = pop_long();
-		/* since argument is the address of the PMM block (including the segment,
-		 * we need to remove the segment to get the offset
-		 */
-		buffer = buffer ^ ((u32) PMM_CONV_SEGMENT << 16);
-		DEBUG_PRINTF_PMM("%s: pmmDeallocate: PMM segment offset: %x\n",
-				 __func__, buffer);
-		i = 0;
-		/* rval = 0 means we deallocated the buffer, so set it to 1 in case we dont find it and
-		 * thus cannot deallocate
-		 */
-		rval = 1;
-		for (i = 0; i < curr_pmm_allocation_index; i++) {
-			DEBUG_PRINTF_PMM("%d: %x\n", i,
-					 pmm_allocation_array[i].handle);
-			if (pmm_allocation_array[i].offset == buffer) {
-				/* we found the requested buffer, rval = 0 */
-				rval = 0;
-				DEBUG_PRINTF_PMM
-				    ("%s: pmmDeallocate: found allocated memory at index: %d\n",
-				     __func__, i);
-				/* copy the remaining elements in pmm_allocation_array one position up */
-				j = i;
-				for (; j < curr_pmm_allocation_index; j++) {
-					pmm_allocation_array[j] =
-					    pmm_allocation_array[j + 1];
-				}
-				/* move curr_pmm_allocation_index one up, too */
-				curr_pmm_allocation_index--;
-				/* finally clean last element */
-				pmm_allocation_array[curr_pmm_allocation_index].
-				    handle = 0;
-				pmm_allocation_array[curr_pmm_allocation_index].
-				    offset = 0;
-				pmm_allocation_array[curr_pmm_allocation_index].
-				    length = 0;
-				break;
-			}
-		}
-		if (rval != 0) {
-			DEBUG_PRINTF_PMM
-			    ("%s: pmmDeallocate: offset (%x) not found, cannot deallocate!\n",
-			     __func__, buffer);
-		}
-		goto exit;
-	default:
-		/* invalid/unimplemented function */
-		printf("%s: invalid PMM function (0x%04x) called!\n",
-		       __func__, function);
-		/* PMM spec says if function is invalid, return 0xFFFFFFFF */
-		rval = 0xFFFFFFFF;
-		goto exit;
-	}
-exit:
-	/* exit handler of this function, restore registers, put return value in DX:AX */
-	M.x86 = backup_regs;
-	M.x86.R_DX = (u16) ((rval >> 16) & 0xFFFF);
-	M.x86.R_AX = (u16) (rval & 0xFFFF);
-	CHECK_DBG(DEBUG_PMM) {
-		DEBUG_PRINTF_PMM("%s: dump of pmm_allocation_array:\n",
-				 __func__);
-		for (i = 0; i < MAX_PMM_AREAS; i++) {
-			DEBUG_PRINTF_PMM
-			    ("%d:\n\thandle: %x\n\toffset: %x\n\tlength: %x\n",
-			     i, pmm_allocation_array[i].handle,
-			     pmm_allocation_array[i].offset,
-			     pmm_allocation_array[i].length);
-		}
-	}
-	return;
-}
-
-/* This function tests the pmm_handleInt() function above. */
-void pmm_test(void)
-{
-	u32 handle, length, addr;
-	u16 function, flags;
-	/*-------------------- Test simple allocation/find/deallocation ----------------------------- */
-	function = 0;		/* pmmAllocate */
-	handle = 0xdeadbeef;
-	length = 16;		/* in 16byte paragraphs, so we allocate 256 bytes... */
-	flags = 0x1;		/* conventional memory, unaligned */
-	/* setup stack for call to pmm_handleInt() */
-	push_word(flags);
-	push_long(handle);
-	push_long(length);
-	push_word(function);
-	push_long(0);		/* This is the return address for the ABI, unused in this implementation */
-	pmm_handleInt();
-	addr = ((u32) M.x86.R_DX << 16) | M.x86.R_AX;
-	DEBUG_PRINTF_PMM("%s: allocated memory at: %04x:%04x\n", __func__,
-			 M.x86.R_DX, M.x86.R_AX);
-	function = 1;		/* pmmFind */
-	push_long(handle);
-	push_word(function);
-	push_long(0);		/* This is the return address for the ABI, unused in this implementation */
-	pmm_handleInt();
-	DEBUG_PRINTF_PMM("%s: found memory at: %04x:%04x (expected: %08x)\n",
-			 __func__, M.x86.R_DX, M.x86.R_AX, addr);
-	function = 2;		/* pmmDeallocate */
-	push_long(addr);
-	push_word(function);
-	push_long(0);		/* This is the return address for the ABI, unused in this implementation */
-	pmm_handleInt();
-	DEBUG_PRINTF_PMM
-	    ("%s: freed memory rval: %04x:%04x (expected: 0000:0000)\n",
-	     __func__, M.x86.R_DX, M.x86.R_AX);
-	/*-------------------- Test aligned allocation/deallocation ----------------------------- */
-	function = 0;		/* pmmAllocate */
-	handle = 0xdeadbeef;
-	length = 257;		/* in 16byte paragraphs, so we allocate 4KB + 16 bytes... */
-	flags = 0x1;		/* conventional memory, unaligned */
-	/* setup stack for call to pmm_handleInt() */
-	push_word(flags);
-	push_long(handle);
-	push_long(length);
-	push_word(function);
-	push_long(0);		/* This is the return address for the ABI, unused in this implementation */
-	pmm_handleInt();
-	addr = ((u32) M.x86.R_DX << 16) | M.x86.R_AX;
-	DEBUG_PRINTF_PMM("%s: allocated memory at: %04x:%04x\n", __func__,
-			 M.x86.R_DX, M.x86.R_AX);
-	function = 0;		/* pmmAllocate */
-	handle = 0xf00d4b0b;
-	length = 128;		/* in 16byte paragraphs, so we allocate 2KB... */
-	flags = 0x5;		/* conventional memory, aligned */
-	/* setup stack for call to pmm_handleInt() */
-	push_word(flags);
-	push_long(handle);
-	push_long(length);
-	push_word(function);
-	push_long(0);		/* This is the return address for the ABI, unused in this implementation */
-	pmm_handleInt();
-	/* the address should be aligned to 0x800, so probably it is at offset 0x1800... */
-	addr = ((u32) M.x86.R_DX << 16) | M.x86.R_AX;
-	DEBUG_PRINTF_PMM("%s: allocated memory at: %04x:%04x\n", __func__,
-			 M.x86.R_DX, M.x86.R_AX);
-	function = 1;		/* pmmFind */
-	push_long(handle);
-	push_word(function);
-	push_long(0);		/* This is the return address for the ABI, unused in this implementation */
-	pmm_handleInt();
-	addr = ((u32) M.x86.R_DX << 16) | M.x86.R_AX;
-	function = 2;		/* pmmDeallocate */
-	push_long(addr);
-	push_word(function);
-	push_long(0);		/* This is the return address for the ABI, unused in this implementation */
-	pmm_handleInt();
-	DEBUG_PRINTF_PMM
-	    ("%s: freed memory rval: %04x:%04x (expected: 0000:0000)\n",
-	     __func__, M.x86.R_DX, M.x86.R_AX);
-	handle = 0xdeadbeef;
-	function = 1;		/* pmmFind */
-	push_long(handle);
-	push_word(function);
-	push_long(0);		/* This is the return address for the ABI, unused in this implementation */
-	pmm_handleInt();
-	addr = ((u32) M.x86.R_DX << 16) | M.x86.R_AX;
-	function = 2;		/* pmmDeallocate */
-	push_long(addr);
-	push_word(function);
-	push_long(0);		/* This is the return address for the ABI, unused in this implementation */
-	pmm_handleInt();
-	DEBUG_PRINTF_PMM
-	    ("%s: freed memory rval: %04x:%04x (expected: 0000:0000)\n",
-	     __func__, M.x86.R_DX, M.x86.R_AX);
-	/*-------------------- Test out of memory allocation ----------------------------- */
-	function = 0;		/* pmmAllocate */
-	handle = 0xdeadbeef;
-	length = 0;		/* length zero means, give me the largest possible block */
-	flags = 0x1;		/* conventional memory, unaligned */
-	/* setup stack for call to pmm_handleInt() */
-	push_word(flags);
-	push_long(handle);
-	push_long(length);
-	push_word(function);
-	push_long(0);		/* This is the return address for the ABI, unused in this implementation */
-	pmm_handleInt();
-	length = ((u32) M.x86.R_DX << 16) | M.x86.R_AX;
-	length /= 16;		/* length in paragraphs */
-	DEBUG_PRINTF_PMM("%s: largest possible length: %08x\n", __func__,
-			 length);
-	function = 0;		/* pmmAllocate */
-	flags = 0x1;		/* conventional memory, aligned */
-	/* setup stack for call to pmm_handleInt() */
-	push_word(flags);
-	push_long(handle);
-	push_long(length);
-	push_word(function);
-	push_long(0);		/* This is the return address for the ABI, unused in this implementation */
-	pmm_handleInt();
-	addr = ((u32) M.x86.R_DX << 16) | M.x86.R_AX;
-	DEBUG_PRINTF_PMM("%s: allocated memory at: %04x:%04x\n", __func__,
-			 M.x86.R_DX, M.x86.R_AX);
-	function = 0;		/* pmmAllocate */
-	length = 1;
-	handle = 0xf00d4b0b;
-	flags = 0x1;		/* conventional memory, aligned */
-	/* setup stack for call to pmm_handleInt() */
-	push_word(flags);
-	push_long(handle);
-	push_long(length);
-	push_word(function);
-	push_long(0);		/* This is the return address for the ABI, unused in this implementation */
-	pmm_handleInt();
-	/* this should fail, so 0x0 should be returned */
-	addr = ((u32) M.x86.R_DX << 16) | M.x86.R_AX;
-	DEBUG_PRINTF_PMM
-	    ("%s: allocated memory at: %04x:%04x expected: 0000:0000\n",
-	     __func__, M.x86.R_DX, M.x86.R_AX);
-	handle = 0xdeadbeef;
-	function = 1;		/* pmmFind */
-	push_long(handle);
-	push_word(function);
-	push_long(0);		/* This is the return address for the ABI, unused in this implementation */
-	pmm_handleInt();
-	addr = ((u32) M.x86.R_DX << 16) | M.x86.R_AX;
-	function = 2;		/* pmmDeallocate */
-	push_long(addr);
-	push_word(function);
-	push_long(0);		/* This is the return address for the ABI, unused in this implementation */
-	pmm_handleInt();
-	DEBUG_PRINTF_PMM
-	    ("%s: freed memory rval: %04x:%04x (expected: 0000:0000)\n",
-	     __func__, M.x86.R_DX, M.x86.R_AX);
-}
diff --git a/src/devices/oprom/yabel/pmm.h b/src/devices/oprom/yabel/pmm.h
deleted file mode 100644
index 3cc3c17ac6..0000000000
--- a/src/devices/oprom/yabel/pmm.h
+++ /dev/null
@@ -1,46 +0,0 @@
-/****************************************************************************
- * YABEL BIOS Emulator
- *
- * This program and the accompanying materials
- * are made available under the terms of the BSD License
- * which accompanies this distribution, and is available at
- * http://www.opensource.org/licenses/bsd-license.php
- *
- * Copyright (c) 2008 Pattrick Hueper <phueper@hueper.net>
- ****************************************************************************/
-
-#ifndef _YABEL_PMM_H_
-#define _YABEL_PMM_H_
-
-#include <types.h>
-
-/* PMM Structure see PMM Spec Version 1.01 Chapter 3.1.1
- * (search web for specspmm101.pdf)
- */
-typedef struct {
-	u8 signature[4];
-	u8 struct_rev;
-	u8 length;
-	u8 checksum;
-	u32 entry_point_offset;
-	u8 reserved[5];
-	/* Code is not part of the speced PMM struct, however, since I cannot
-	 * put the handling of PMM in the virtual memory (I dont want to hack it
-	 * together in x86 assembly ;-)) this code array is pointed to by
-	 * entry_point_offset, in code there is only a INT call and a RETF,
-	 * thus every PMM call will issue a PMM INT (only defined in YABEL,
-	 * see interrupt.c) and the INT Handler will do the actual PMM work.
-	 */
-	u8 code[3];
-} __attribute__ ((__packed__)) pmm_information_t;
-
-/* This function is used to setup the PMM struct in virtual memory
- * at a certain offset */
-u8 pmm_setup(u16 segment, u16 offset);
-
-/* This is the INT Handler mentioned above, called by my special PMM INT. */
-void pmm_handleInt(void);
-
-void pmm_test(void);
-
-#endif				// _YABEL_PMM_H
diff --git a/src/devices/oprom/yabel/vbe.c b/src/devices/oprom/yabel/vbe.c
deleted file mode 100644
index 9dbe07cdd5..0000000000
--- a/src/devices/oprom/yabel/vbe.c
+++ /dev/null
@@ -1,774 +0,0 @@
-/******************************************************************************
- * Copyright (c) 2004, 2008 IBM Corporation
- * Copyright (c) 2009 Pattrick Hueper <phueper@hueper.net>
- * All rights reserved.
- * This program and the accompanying materials
- * are made available under the terms of the BSD License
- * which accompanies this distribution, and is available at
- * http://www.opensource.org/licenses/bsd-license.php
- *
- * Contributors:
- *     IBM Corporation - initial implementation
- *****************************************************************************/
-
-#include <string.h>
-#include <types.h>
-#if CONFIG_FRAMEBUFFER_SET_VESA_MODE
-#include <boot/coreboot_tables.h>
-#endif
-
-#include <arch/byteorder.h>
-
-#include "debug.h"
-
-#include <x86emu/x86emu.h>
-#include <x86emu/regs.h>
-#include "../x86emu/prim_ops.h"
-
-#include "biosemu.h"
-#include "io.h"
-#include "mem.h"
-#include "interrupt.h"
-#include "device.h"
-
-#include <cbfs.h>
-
-#include <delay.h>
-#include "../../src/lib/jpeg.h"
-
-#include <vbe.h>
-
-// pointer to VBEInfoBuffer, set by vbe_prepare
-u8 *vbe_info_buffer = 0;
-
-// virtual BIOS Memory
-u8 *biosmem;
-u32 biosmem_size;
-
-static inline u8
-vbe_prepare(void)
-{
-	vbe_info_buffer = biosmem + (VBE_SEGMENT << 4);	// segment:offset off VBE Data Area
-	//clear buffer
-	memset(vbe_info_buffer, 0, 512);
-	//set VbeSignature to "VBE2" to indicate VBE 2.0+ request
-	vbe_info_buffer[0] = 'V';
-	vbe_info_buffer[0] = 'B';
-	vbe_info_buffer[0] = 'E';
-	vbe_info_buffer[0] = '2';
-	// ES:DI store pointer to buffer in virtual mem see vbe_info_buffer above...
-	M.x86.R_EDI = 0x0;
-	M.x86.R_ES = VBE_SEGMENT;
-
-	return 0;		// successfull init
-}
-
-#if CONFIG_FRAMEBUFFER_SET_VESA_MODE
-// VBE Function 00h
-static u8
-vbe_info(vbe_info_t * info)
-{
-	vbe_prepare();
-	// call VBE function 00h (Info Function)
-	M.x86.R_EAX = 0x4f00;
-
-	// enable trace
-	CHECK_DBG(DEBUG_TRACE_X86EMU) {
-		X86EMU_trace_on();
-	}
-	// run VESA Interrupt
-	runInt10();
-
-	if (M.x86.R_AL != 0x4f) {
-		DEBUG_PRINTF_VBE("%s: VBE Info Function NOT supported! AL=%x\n",
-				 __func__, M.x86.R_AL);
-		return -1;
-	}
-
-	if (M.x86.R_AH != 0x0) {
-		DEBUG_PRINTF_VBE
-		    ("%s: VBE Info Function Return Code NOT OK! AH=%x\n",
-		     __func__, M.x86.R_AH);
-		return M.x86.R_AH;
-	}
-	//printf("VBE Info Dump:");
-	//dump(vbe_info_buffer, 64);
-
-	//offset 0: signature
-	info->signature[0] = vbe_info_buffer[0];
-	info->signature[1] = vbe_info_buffer[1];
-	info->signature[2] = vbe_info_buffer[2];
-	info->signature[3] = vbe_info_buffer[3];
-
-	// offset 4: 16bit le containing VbeVersion
-	info->version = in16le(vbe_info_buffer + 4);
-
-	// offset 6: 32bit le containg segment:offset of OEM String in virtual Mem.
-	info->oem_string_ptr =
-	    biosmem + ((in16le(vbe_info_buffer + 8) << 4) +
-		       in16le(vbe_info_buffer + 6));
-
-	// offset 10: 32bit le capabilities
-	info->capabilities = in32le(vbe_info_buffer + 10);
-
-	// offset 14: 32 bit le containing segment:offset of supported video mode table
-	u16 *video_mode_ptr;
-	video_mode_ptr =
-	    (u16 *) (biosmem +
-			  ((in16le(vbe_info_buffer + 16) << 4) +
-			   in16le(vbe_info_buffer + 14)));
-	u32 i = 0;
-	do {
-		info->video_mode_list[i] = in16le(video_mode_ptr + i);
-		i++;
-	}
-	while ((i <
-		(sizeof(info->video_mode_list) /
-		 sizeof(info->video_mode_list[0])))
-	       && (info->video_mode_list[i - 1] != 0xFFFF));
-
-	//offset 18: 16bit le total memory in 64KB blocks
-	info->total_memory = in16le(vbe_info_buffer + 18);
-
-	return 0;
-}
-
-static int mode_info_valid;
-
-int vbe_mode_info_valid(void)
-{
-	return mode_info_valid;
-}
-
-// VBE Function 01h
-static u8
-vbe_get_mode_info(vbe_mode_info_t * mode_info)
-{
-	vbe_prepare();
-	// call VBE function 01h (Return VBE Mode Info Function)
-	M.x86.R_EAX = 0x4f01;
-	M.x86.R_CX = mode_info->video_mode;
-
-	// enable trace
-	CHECK_DBG(DEBUG_TRACE_X86EMU) {
-		X86EMU_trace_on();
-	}
-	// run VESA Interrupt
-	runInt10();
-
-	if (M.x86.R_AL != 0x4f) {
-		DEBUG_PRINTF_VBE
-		    ("%s: VBE Return Mode Info Function NOT supported! AL=%x\n",
-		     __func__, M.x86.R_AL);
-		return -1;
-	}
-
-	if (M.x86.R_AH != 0x0) {
-		DEBUG_PRINTF_VBE
-		    ("%s: VBE Return Mode Info (mode: %04x) Function Return Code NOT OK! AH=%02x\n",
-		     __func__, mode_info->video_mode, M.x86.R_AH);
-		return M.x86.R_AH;
-	}
-
-	//pointer to mode_info_block is in ES:DI
-	memcpy(mode_info->mode_info_block,
-	       biosmem + ((M.x86.R_ES << 4) + M.x86.R_DI),
-	       sizeof(mode_info->mode_info_block));
-	mode_info_valid = 1;
-
-	//printf("Mode Info Dump:");
-	//dump(mode_info_block, 64);
-
-	return 0;
-}
-
-// VBE Function 02h
-static u8
-vbe_set_mode(vbe_mode_info_t * mode_info)
-{
-	vbe_prepare();
-	// call VBE function 02h (Set VBE Mode Function)
-	M.x86.R_EAX = 0x4f02;
-	M.x86.R_BX = mode_info->video_mode;
-	M.x86.R_BX |= 0x4000;	// set bit 14 to request linear framebuffer mode
-	M.x86.R_BX &= 0x7FFF;	// clear bit 15 to request clearing of framebuffer
-
-	DEBUG_PRINTF_VBE("%s: setting mode: 0x%04x\n", __func__,
-			 M.x86.R_BX);
-
-	// enable trace
-	CHECK_DBG(DEBUG_TRACE_X86EMU) {
-		X86EMU_trace_on();
-	}
-	// run VESA Interrupt
-	runInt10();
-
-	if (M.x86.R_AL != 0x4f) {
-		DEBUG_PRINTF_VBE
-		    ("%s: VBE Set Mode Function NOT supported! AL=%x\n",
-		     __func__, M.x86.R_AL);
-		return -1;
-	}
-
-	if (M.x86.R_AH != 0x0) {
-		DEBUG_PRINTF_VBE
-		    ("%s: mode: %x VBE Set Mode Function Return Code NOT OK! AH=%x\n",
-		     __func__, mode_info->video_mode, M.x86.R_AH);
-		return M.x86.R_AH;
-	}
-	return 0;
-}
-
-#if 0
-//VBE Function 08h
-static u8
-vbe_set_palette_format(u8 format)
-{
-	vbe_prepare();
-	// call VBE function 09h (Set/Get Palette Data Function)
-	M.x86.R_EAX = 0x4f08;
-	M.x86.R_BL = 0x00;	// set format
-	M.x86.R_BH = format;
-
-	DEBUG_PRINTF_VBE("%s: setting palette format: %d\n", __func__,
-			 format);
-
-	// enable trace
-	CHECK_DBG(DEBUG_TRACE_X86EMU) {
-		X86EMU_trace_on();
-	}
-	// run VESA Interrupt
-	runInt10();
-
-	if (M.x86.R_AL != 0x4f) {
-		DEBUG_PRINTF_VBE
-		    ("%s: VBE Set Palette Format Function NOT supported! AL=%x\n",
-		     __func__, M.x86.R_AL);
-		return -1;
-	}
-
-	if (M.x86.R_AH != 0x0) {
-		DEBUG_PRINTF_VBE
-		    ("%s: VBE Set Palette Format Function Return Code NOT OK! AH=%x\n",
-		     __func__, M.x86.R_AH);
-		return M.x86.R_AH;
-	}
-	return 0;
-}
-
-// VBE Function 09h
-static u8
-vbe_set_color(u16 color_number, u32 color_value)
-{
-	vbe_prepare();
-	// call VBE function 09h (Set/Get Palette Data Function)
-	M.x86.R_EAX = 0x4f09;
-	M.x86.R_BL = 0x00;	// set color
-	M.x86.R_CX = 0x01;	// set only one entry
-	M.x86.R_DX = color_number;
-	// ES:DI is address where color_value is stored, we store it at 2000:0000
-	M.x86.R_ES = 0x2000;
-	M.x86.R_DI = 0x0;
-
-	// store color value at ES:DI
-	out32le(biosmem + (M.x86.R_ES << 4) + M.x86.R_DI, color_value);
-
-	DEBUG_PRINTF_VBE("%s: setting color #%x: 0x%04x\n", __func__,
-			 color_number, color_value);
-
-	// enable trace
-	CHECK_DBG(DEBUG_TRACE_X86EMU) {
-		X86EMU_trace_on();
-	}
-	// run VESA Interrupt
-	runInt10();
-
-	if (M.x86.R_AL != 0x4f) {
-		DEBUG_PRINTF_VBE
-		    ("%s: VBE Set Palette Function NOT supported! AL=%x\n",
-		     __func__, M.x86.R_AL);
-		return -1;
-	}
-
-	if (M.x86.R_AH != 0x0) {
-		DEBUG_PRINTF_VBE
-		    ("%s: VBE Set Palette Function Return Code NOT OK! AH=%x\n",
-		     __func__, M.x86.R_AH);
-		return M.x86.R_AH;
-	}
-	return 0;
-}
-
-static u8
-vbe_get_color(u16 color_number, u32 * color_value)
-{
-	vbe_prepare();
-	// call VBE function 09h (Set/Get Palette Data Function)
-	M.x86.R_EAX = 0x4f09;
-	M.x86.R_BL = 0x00;	// get color
-	M.x86.R_CX = 0x01;	// get only one entry
-	M.x86.R_DX = color_number;
-	// ES:DI is address where color_value is stored, we store it at 2000:0000
-	M.x86.R_ES = 0x2000;
-	M.x86.R_DI = 0x0;
-
-	// enable trace
-	CHECK_DBG(DEBUG_TRACE_X86EMU) {
-		X86EMU_trace_on();
-	}
-	// run VESA Interrupt
-	runInt10();
-
-	if (M.x86.R_AL != 0x4f) {
-		DEBUG_PRINTF_VBE
-		    ("%s: VBE Set Palette Function NOT supported! AL=%x\n",
-		     __func__, M.x86.R_AL);
-		return -1;
-	}
-
-	if (M.x86.R_AH != 0x0) {
-		DEBUG_PRINTF_VBE
-		    ("%s: VBE Set Palette Function Return Code NOT OK! AH=%x\n",
-		     __func__, M.x86.R_AH);
-		return M.x86.R_AH;
-	}
-	// read color value from ES:DI
-	*color_value = in32le(biosmem + (M.x86.R_ES << 4) + M.x86.R_DI);
-
-	DEBUG_PRINTF_VBE("%s: getting color #%x --> 0x%04x\n", __func__,
-			 color_number, *color_value);
-
-	return 0;
-}
-
-// VBE Function 15h
-static u8
-vbe_get_ddc_info(vbe_ddc_info_t * ddc_info)
-{
-	vbe_prepare();
-	// call VBE function 15h (DDC Info Function)
-	M.x86.R_EAX = 0x4f15;
-	M.x86.R_BL = 0x00;	// get DDC Info
-	M.x86.R_CX = ddc_info->port_number;
-	M.x86.R_ES = 0x0;
-	M.x86.R_DI = 0x0;
-
-	// enable trace
-	CHECK_DBG(DEBUG_TRACE_X86EMU) {
-		X86EMU_trace_on();
-	}
-	// run VESA Interrupt
-	runInt10();
-
-	if (M.x86.R_AL != 0x4f) {
-		DEBUG_PRINTF_VBE
-		    ("%s: VBE Get DDC Info Function NOT supported! AL=%x\n",
-		     __func__, M.x86.R_AL);
-		return -1;
-	}
-
-	if (M.x86.R_AH != 0x0) {
-		DEBUG_PRINTF_VBE
-		    ("%s: port: %x VBE Get DDC Info Function Return Code NOT OK! AH=%x\n",
-		     __func__, ddc_info->port_number, M.x86.R_AH);
-		return M.x86.R_AH;
-	}
-	// BH = approx. time in seconds to transfer one EDID block
-	ddc_info->edid_transfer_time = M.x86.R_BH;
-	// BL = DDC Level
-	ddc_info->ddc_level = M.x86.R_BL;
-
-	vbe_prepare();
-	// call VBE function 15h (DDC Info Function)
-	M.x86.R_EAX = 0x4f15;
-	M.x86.R_BL = 0x01;	// read EDID
-	M.x86.R_CX = ddc_info->port_number;
-	M.x86.R_DX = 0x0;	// block number
-	// ES:DI is address where EDID is stored, we store it at 2000:0000
-	M.x86.R_ES = 0x2000;
-	M.x86.R_DI = 0x0;
-
-	// enable trace
-	CHECK_DBG(DEBUG_TRACE_X86EMU) {
-		X86EMU_trace_on();
-	}
-	// run VESA Interrupt
-	runInt10();
-
-	if (M.x86.R_AL != 0x4f) {
-		DEBUG_PRINTF_VBE
-		    ("%s: VBE Read EDID Function NOT supported! AL=%x\n",
-		     __func__, M.x86.R_AL);
-		return -1;
-	}
-
-	if (M.x86.R_AH != 0x0) {
-		DEBUG_PRINTF_VBE
-		    ("%s: port: %x VBE Read EDID Function Return Code NOT OK! AH=%x\n",
-		     __func__, ddc_info->port_number, M.x86.R_AH);
-		return M.x86.R_AH;
-	}
-
-	memcpy(ddc_info->edid_block_zero,
-	       biosmem + (M.x86.R_ES << 4) + M.x86.R_DI,
-	       sizeof(ddc_info->edid_block_zero));
-
-	return 0;
-}
-
-static u32
-vbe_get_info(void)
-{
-	u8 rval;
-	int i;
-
-	// XXX FIXME these need to be filled with sane values
-
-	// get a copy of input struct...
-	screen_info_input_t input;
-	// output is pointer to the address passed as argv[4]
-	screen_info_t local_output;
-	screen_info_t *output = &local_output;
-	// zero input
-	memset(&input, 0, sizeof(screen_info_input_t));
-	// zero output
-	memset(&output, 0, sizeof(screen_info_t));
-
-	vbe_info_t info;
-	rval = vbe_info(&info);
-	if (rval != 0)
-		return rval;
-
-	DEBUG_PRINTF_VBE("VbeSignature: %s\n", info.signature);
-	DEBUG_PRINTF_VBE("VbeVersion: 0x%04x\n", info.version);
-	DEBUG_PRINTF_VBE("OemString: %s\n", info.oem_string_ptr);
-	DEBUG_PRINTF_VBE("Capabilities:\n");
-	DEBUG_PRINTF_VBE("\tDAC: %s\n",
-			 (info.capabilities & 0x1) ==
-			 0 ? "fixed 6bit" : "switchable 6/8bit");
-	DEBUG_PRINTF_VBE("\tVGA: %s\n",
-			 (info.capabilities & 0x2) ==
-			 0 ? "compatible" : "not compatible");
-	DEBUG_PRINTF_VBE("\tRAMDAC: %s\n",
-			 (info.capabilities & 0x4) ==
-			 0 ? "normal" : "use blank bit in Function 09h");
-
-	// argv[4] may be a pointer with enough space to return screen_info_t
-	// as input, it must contain a screen_info_input_t with the following content:
-	// byte[0:3] = "DDC\0" (zero-terminated signature header)
-	// byte[4:5] = reserved space for the return struct... just in case we ever change
-	//             the struct and dont have reserved enough memory (and let's hope the struct
-	//             never gets larger than 64KB)
-	// byte[6] = monitor port number for DDC requests ("only" one byte... so lets hope we never have more than 255 monitors...
-	// byte[7:8] = max. screen width (OF may want to limit this)
-	// byte[9] = required color depth in bpp
-	if (strncmp((char *) input.signature, "DDC", 4) != 0) {
-		printf
-		    ("%s: Invalid input signature! expected: %s, is: %s\n",
-		     __func__, "DDC", input.signature);
-		return -1;
-	}
-	if (input.size_reserved != sizeof(screen_info_t)) {
-		printf
-		    ("%s: Size of return struct is wrong, required: %d, available: %d\n",
-		     __func__, (int) sizeof(screen_info_t),
-		     input.size_reserved);
-		return -1;
-	}
-
-	vbe_ddc_info_t ddc_info;
-	ddc_info.port_number = input.monitor_number;
-	vbe_get_ddc_info(&ddc_info);
-
-#if 0
-	DEBUG_PRINTF_VBE("DDC: edid_tranfer_time: %d\n",
-			 ddc_info.edid_transfer_time);
-	DEBUG_PRINTF_VBE("DDC: ddc_level: %x\n", ddc_info.ddc_level);
-	DEBUG_PRINTF_VBE("DDC: EDID: \n");
-	CHECK_DBG(DEBUG_VBE) {
-		dump(ddc_info.edid_block_zero,
-		     sizeof(ddc_info.edid_block_zero));
-	}
-#endif
-/* This could fail because of alignment issues, so use a longer form.
-	*((u64 *) ddc_info.edid_block_zero) != (u64) 0x00FFFFFFFFFFFF00ULL
-*/
-	if (ddc_info.edid_block_zero[0] != 0x00 ||
-	    ddc_info.edid_block_zero[1] != 0xFF ||
-	    ddc_info.edid_block_zero[2] != 0xFF ||
-	    ddc_info.edid_block_zero[3] != 0xFF ||
-	    ddc_info.edid_block_zero[4] != 0xFF ||
-	    ddc_info.edid_block_zero[5] != 0xFF ||
-	    ddc_info.edid_block_zero[6] != 0xFF ||
-	    ddc_info.edid_block_zero[7] != 0x00 ) {
-		// invalid EDID signature... probably no monitor
-
-		output->display_type = 0x0;
-		return 0;
-	} else if ((ddc_info.edid_block_zero[20] & 0x80) != 0) {
-		// digital display
-		output->display_type = 2;
-	} else {
-		// analog
-		output->display_type = 1;
-	}
-	DEBUG_PRINTF_VBE("DDC: found display type %d\n", output->display_type);
-	memcpy(output->edid_block_zero, ddc_info.edid_block_zero,
-	       sizeof(ddc_info.edid_block_zero));
-	i = 0;
-	vbe_mode_info_t mode_info;
-	vbe_mode_info_t best_mode_info;
-	// initialize best_mode to 0
-	memset(&best_mode_info, 0, sizeof(best_mode_info));
-	while ((mode_info.video_mode = info.video_mode_list[i]) != 0xFFFF) {
-		//DEBUG_PRINTF_VBE("%x: Mode: %04x\n", i, mode_info.video_mode);
-		vbe_get_mode_info(&mode_info);
-
-		// FIXME all these values are little endian!
-
-		DEBUG_PRINTF_VBE("Video Mode 0x%04x available, %s\n",
-				 mode_info.video_mode,
-				 (le16_to_cpu(mode_info.vesa.mode_attributes) & 0x1) ==
-				 0 ? "not supported" : "supported");
-		DEBUG_PRINTF_VBE("\tTTY: %s\n",
-				 (le16_to_cpu(mode_info.vesa.mode_attributes) & 0x4) ==
-				 0 ? "no" : "yes");
-		DEBUG_PRINTF_VBE("\tMode: %s %s\n",
-				 (le16_to_cpu(mode_info.vesa.mode_attributes) & 0x8) ==
-				 0 ? "monochrome" : "color",
-				 (le16_to_cpu(mode_info.vesa.mode_attributes) & 0x10) ==
-				 0 ? "text" : "graphics");
-		DEBUG_PRINTF_VBE("\tVGA: %s\n",
-				 (le16_to_cpu(mode_info.vesa.mode_attributes) & 0x20) ==
-				 0 ? "compatible" : "not compatible");
-		DEBUG_PRINTF_VBE("\tWindowed Mode: %s\n",
-				 (le16_to_cpu(mode_info.vesa.mode_attributes) & 0x40) ==
-				 0 ? "yes" : "no");
-		DEBUG_PRINTF_VBE("\tFramebuffer: %s\n",
-				 (le16_to_cpu(mode_info.vesa.mode_attributes) & 0x80) ==
-				 0 ? "no" : "yes");
-		DEBUG_PRINTF_VBE("\tResolution: %dx%d\n",
-				 le16_to_cpu(mode_info.vesa.x_resolution),
-				 le16_to_cpu(mode_info.vesa.y_resolution));
-		DEBUG_PRINTF_VBE("\tChar Size: %dx%d\n",
-				 mode_info.vesa.x_charsize, mode_info.vesa.y_charsize);
-		DEBUG_PRINTF_VBE("\tColor Depth: %dbpp\n",
-				 mode_info.vesa.bits_per_pixel);
-		DEBUG_PRINTF_VBE("\tMemory Model: 0x%x\n",
-				 mode_info.vesa.memory_model);
-		DEBUG_PRINTF_VBE("\tFramebuffer Offset: %08x\n",
-				 le32_to_cpu(mode_info.vesa.phys_base_ptr));
-
-		if ((mode_info.vesa.bits_per_pixel == input.color_depth)
-		    && (le16_to_cpu(mode_info.vesa.x_resolution) <= input.max_screen_width)
-		    && ((le16_to_cpu(mode_info.vesa.mode_attributes) & 0x80) != 0)	// framebuffer mode
-		    && ((le16_to_cpu(mode_info.vesa.mode_attributes) & 0x10) != 0)	// graphics
-		    && ((le16_to_cpu(mode_info.vesa.mode_attributes) & 0x8) != 0)	// color
-		    && (le16_to_cpu(mode_info.vesa.x_resolution) > le16_to_cpu(best_mode_info.vesa.x_resolution)))	// better than previous best_mode
-		{
-			// yiiiihaah... we found a new best mode
-			memcpy(&best_mode_info, &mode_info, sizeof(mode_info));
-		}
-		i++;
-	}
-
-	if (best_mode_info.video_mode != 0) {
-		DEBUG_PRINTF_VBE
-		    ("Best Video Mode found: 0x%x, %dx%d, %dbpp, framebuffer_address: 0x%x\n",
-		     best_mode_info.video_mode,
-		     best_mode_info.vesa.x_resolution,
-		     best_mode_info.vesa.y_resolution,
-		     best_mode_info.vesa.bits_per_pixel,
-		     le32_to_cpu(best_mode_info.vesa.phys_base_ptr));
-
-		//printf("Mode Info Dump:");
-		//dump(best_mode_info.mode_info_block, 64);
-
-		// set the video mode
-		vbe_set_mode(&best_mode_info);
-
-		if ((info.capabilities & 0x1) != 0) {
-			// switch to 8 bit palette format
-			vbe_set_palette_format(8);
-		}
-		// setup a palette:
-		// - first 216 colors are mixed colors for each component in 6 steps
-		//   (6*6*6=216)
-		// - then 10 shades of the three primary colors
-		// - then 10 shades of grey
-		// -------
-		// = 256 colors
-		//
-		// - finally black is color 0 and white color FF (because SLOF expects it
-		//   this way...)
-		// this resembles the palette that the kernel/X Server seems to expect...
-
-		u8 mixed_color_values[6] =
-		    { 0xFF, 0xDA, 0xB3, 0x87, 0x54, 0x00 };
-		u8 primary_color_values[10] =
-		    { 0xF3, 0xE7, 0xCD, 0xC0, 0xA5, 0x96, 0x77, 0x66, 0x3F,
-			0x27
-		};
-		u8 mc_size = sizeof(mixed_color_values);
-		u8 prim_size = sizeof(primary_color_values);
-
-		u8 curr_color_index;
-		u32 curr_color;
-
-		u8 r, g, b;
-		// 216 mixed colors
-		for (r = 0; r < mc_size; r++) {
-			for (g = 0; g < mc_size; g++) {
-				for (b = 0; b < mc_size; b++) {
-					curr_color_index =
-					    (r * mc_size * mc_size) +
-					    (g * mc_size) + b;
-					curr_color = 0;
-					curr_color |= ((u32) mixed_color_values[r]) << 16;	//red value
-					curr_color |= ((u32) mixed_color_values[g]) << 8;	//green value
-					curr_color |= (u32) mixed_color_values[b];	//blue value
-					vbe_set_color(curr_color_index,
-						      curr_color);
-				}
-			}
-		}
-
-		// 10 shades of each primary color
-		// red
-		for (r = 0; r < prim_size; r++) {
-			curr_color_index = mc_size * mc_size * mc_size + r;
-			curr_color = ((u32) primary_color_values[r]) << 16;
-			vbe_set_color(curr_color_index, curr_color);
-		}
-		//green
-		for (g = 0; g < prim_size; g++) {
-			curr_color_index =
-			    mc_size * mc_size * mc_size + prim_size + g;
-			curr_color = ((u32) primary_color_values[g]) << 8;
-			vbe_set_color(curr_color_index, curr_color);
-		}
-		//blue
-		for (b = 0; b < prim_size; b++) {
-			curr_color_index =
-			    mc_size * mc_size * mc_size + prim_size * 2 + b;
-			curr_color = (u32) primary_color_values[b];
-			vbe_set_color(curr_color_index, curr_color);
-		}
-		// 10 shades of grey
-		for (i = 0; i < prim_size; i++) {
-			curr_color_index =
-			    mc_size * mc_size * mc_size + prim_size * 3 + i;
-			curr_color = 0;
-			curr_color |= ((u32) primary_color_values[i]) << 16;	//red
-			curr_color |= ((u32) primary_color_values[i]) << 8;	//green
-			curr_color |= ((u32) primary_color_values[i]);	//blue
-			vbe_set_color(curr_color_index, curr_color);
-		}
-
-		// SLOF is using color 0x0 (black) and 0xFF (white) to draw to the screen...
-		vbe_set_color(0x00, 0x00000000);
-		vbe_set_color(0xFF, 0x00FFFFFF);
-
-		output->screen_width = le16_to_cpu(best_mode_info.vesa.x_resolution);
-		output->screen_height = le16_to_cpu(best_mode_info.vesa.y_resolution);
-		output->screen_linebytes = le16_to_cpu(best_mode_info.vesa.bytes_per_scanline);
-		output->color_depth = best_mode_info.vesa.bits_per_pixel;
-		output->framebuffer_address =
-		    le32_to_cpu(best_mode_info.vesa.phys_base_ptr);
-	} else {
-		printf("%s: No suitable video mode found!\n", __func__);
-		//unset display_type...
-		output->display_type = 0;
-	}
-	return 0;
-}
-#endif
-
-vbe_mode_info_t mode_info;
-
-void vbe_set_graphics(void)
-{
-	u8 rval;
-
-	vbe_info_t info;
-	rval = vbe_info(&info);
-	if (rval != 0)
-		return;
-
-	DEBUG_PRINTF_VBE("VbeSignature: %s\n", info.signature);
-	DEBUG_PRINTF_VBE("VbeVersion: 0x%04x\n", info.version);
-	DEBUG_PRINTF_VBE("OemString: %s\n", info.oem_string_ptr);
-	DEBUG_PRINTF_VBE("Capabilities:\n");
-	DEBUG_PRINTF_VBE("\tDAC: %s\n",
-			 (info.capabilities & 0x1) ==
-			 0 ? "fixed 6bit" : "switchable 6/8bit");
-	DEBUG_PRINTF_VBE("\tVGA: %s\n",
-			 (info.capabilities & 0x2) ==
-			 0 ? "compatible" : "not compatible");
-	DEBUG_PRINTF_VBE("\tRAMDAC: %s\n",
-			 (info.capabilities & 0x4) ==
-			 0 ? "normal" : "use blank bit in Function 09h");
-
-	mode_info.video_mode = (1 << 14) | CONFIG_FRAMEBUFFER_VESA_MODE;
-	vbe_get_mode_info(&mode_info);
-	vbe_set_mode(&mode_info);
-
-#if CONFIG_BOOTSPLASH
-	unsigned char *framebuffer =
-		(unsigned char *) le32_to_cpu(mode_info.vesa.phys_base_ptr);
-	DEBUG_PRINTF_VBE("FRAMEBUFFER: 0x%p\n", framebuffer);
-
-	struct jpeg_decdata *decdata;
-	decdata = malloc(sizeof(*decdata));
-
-	/* Switching Intel IGD to 1MB video memory will break this. Who
-	 * cares. */
-	// int imagesize = 1024*768*2;
-
-	unsigned char *jpeg = cbfs_find_file("bootsplash.jpg", CBFS_TYPE_BOOTSPLASH);
-	if (!jpeg) {
-		DEBUG_PRINTF_VBE("Could not find bootsplash.jpg\n");
-		return;
-	}
-	DEBUG_PRINTF_VBE("Splash at %p ...\n", jpeg);
-	dump(jpeg, 64);
-
-	int ret = 0;
-	DEBUG_PRINTF_VBE("Decompressing boot splash screen...\n");
-	ret = jpeg_decode(jpeg, framebuffer, 1024, 768, 16, decdata);
-	DEBUG_PRINTF_VBE("returns %x\n", ret);
-#endif
-}
-
-void fill_lb_framebuffer(struct lb_framebuffer *framebuffer)
-{
-	framebuffer->physical_address = le32_to_cpu(mode_info.vesa.phys_base_ptr);
-
-	framebuffer->x_resolution = le16_to_cpu(mode_info.vesa.x_resolution);
-	framebuffer->y_resolution = le16_to_cpu(mode_info.vesa.y_resolution);
-	framebuffer->bytes_per_line = le16_to_cpu(mode_info.vesa.bytes_per_scanline);
-	framebuffer->bits_per_pixel = mode_info.vesa.bits_per_pixel;
-
-	framebuffer->red_mask_pos = mode_info.vesa.red_mask_pos;
-	framebuffer->red_mask_size = mode_info.vesa.red_mask_size;
-
-	framebuffer->green_mask_pos = mode_info.vesa.green_mask_pos;
-	framebuffer->green_mask_size = mode_info.vesa.green_mask_size;
-
-	framebuffer->blue_mask_pos = mode_info.vesa.blue_mask_pos;
-	framebuffer->blue_mask_size = mode_info.vesa.blue_mask_size;
-
-	framebuffer->reserved_mask_pos = mode_info.vesa.reserved_mask_pos;
-	framebuffer->reserved_mask_size = mode_info.vesa.reserved_mask_size;
-}
-
-void vbe_textmode_console(void)
-{
-	/* Wait, just a little bit more, pleeeease ;-) */
-	delay(2);
-
-	M.x86.R_EAX = 0x0003;
-	runInt10();
-}
-
-#endif
diff --git a/src/devices/oprom/yabel/vbe.h b/src/devices/oprom/yabel/vbe.h
deleted file mode 100644
index bf286bc12c..0000000000
--- a/src/devices/oprom/yabel/vbe.h
+++ /dev/null
@@ -1,23 +0,0 @@
-/******************************************************************************
- * Copyright (c) 2004, 2008 IBM Corporation
- * All rights reserved.
- * This program and the accompanying materials
- * are made available under the terms of the BSD License
- * which accompanies this distribution, and is available at
- * http://www.opensource.org/licenses/bsd-license.php
- *
- * Contributors:
- *     IBM Corporation - initial implementation
- *****************************************************************************/
-
-#ifndef _BIOSEMU_VBE_H_
-#define _BIOSEMU_VBE_H_
-
-struct lb_framebuffer;
-
-void vbe_set_graphics(void);
-int vbe_mode_info_valid(void);
-void fill_lb_framebuffer(struct lb_framebuffer *framebuffer);
-void vbe_textmode_console(void);
-
-#endif