1 files changed, 53 insertions, 0 deletions
diff --git a/src/device/oprom/yabel/biosemu.h b/src/device/oprom/yabel/biosemu.h
new file mode 100644
index 0000000000..4f5c4aaa5b
--- /dev/null
+++ b/src/device/oprom/yabel/biosemu.h
@@ -0,0 +1,53 @@
+/******************************************************************************
+ * 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