diff options
Diffstat (limited to 'MdeModulePkg/Core')
-rw-r--r-- | MdeModulePkg/Core/Pei/Ipf/InternalSwitchStack.c | 78 | ||||
-rw-r--r-- | MdeModulePkg/Core/Pei/Ipf/IpfCpuCore.i | 93 | ||||
-rw-r--r-- | MdeModulePkg/Core/Pei/Ipf/IpfCpuCore.s | 139 | ||||
-rw-r--r-- | MdeModulePkg/Core/Pei/PeiMain.inf | 2 |
4 files changed, 0 insertions, 312 deletions
diff --git a/MdeModulePkg/Core/Pei/Ipf/InternalSwitchStack.c b/MdeModulePkg/Core/Pei/Ipf/InternalSwitchStack.c deleted file mode 100644 index 4e5df1a44a..0000000000 --- a/MdeModulePkg/Core/Pei/Ipf/InternalSwitchStack.c +++ /dev/null @@ -1,78 +0,0 @@ -/** @file
- SwitchStack() function for IPF.
-
- Copyright (c) 2007, Intel Corporation<BR>
- All rights reserved. This program and the accompanying materials
- are licensed and made available under the terms and conditions of the BSD License
- which accompanies this distribution. The full text of the license may be found at
- http://opensource.org/licenses/bsd-license.php
-
- THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
- WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-
-**/
-
-#include <PeiMain.h>
-
-VOID
-EFIAPI
-IpfAsmSwitchStack (
- IN SWITCH_STACK_ENTRY_POINT EntryPoint,
- IN VOID *ConText1, OPTIONAL
- IN VOID *Context2, OPTIONAL
- IN VOID *Context3, OPTIONAL
- IN VOID *NewStack,
- IN VOID *NewBsp
- );
-
-/**
- Transfers control to a function starting with a new stack.
-
- Transfers control to the function specified by EntryPoint using the
- new stack specified by NewStack and passing in the parameters specified
- by Context1 and Context2. Context1 and Context2 are optional and may
- be NULL. The function EntryPoint must never return.
- Marker will be ignored on IA-32, x64, and EBC.
- IPF CPUs expect one additional parameter of type VOID * that specifies
- the new backing store pointer.
-
- If EntryPoint is NULL, then ASSERT().
- If NewStack is NULL, then ASSERT().
-
- @param EntryPoint A pointer to function to call with the new stack.
- @param Context1 A pointer to the context to pass into the EntryPoint
- function.
- @param Context2 A pointer to the context to pass into the EntryPoint
- function.
- @param NewStack A pointer to the new stack to use for the EntryPoint
- function.
- @param Marker VA_LIST marker for the variable argument list.
-
-**/
-VOID
-EFIAPI
-InternalSwitchStack (
- IN SWITCH_STACK_ENTRY_POINT EntryPoint,
- IN VOID *Context1, OPTIONAL
- IN VOID *Context2, OPTIONAL
- IN VOID *Context3, OPTIONAL
- IN VOID *NewStack,
- IN VA_LIST Marker
- )
-
-{
- VOID *NewBsp;
-
- //
- // Get new backing store pointer from variable list
- //
- NewBsp = VA_ARG (Marker, VOID *);
-
- //
- // Stack should be aligned with CPU_STACK_ALIGNMENT
- //
- ASSERT (((UINTN)NewStack & (CPU_STACK_ALIGNMENT - 1)) == 0);
- ASSERT (((UINTN)NewBsp & (CPU_STACK_ALIGNMENT - 1)) == 0);
-
- IpfAsmSwitchStack (EntryPoint, Context1, Context2, Context3, NewStack, NewBsp);
-}
diff --git a/MdeModulePkg/Core/Pei/Ipf/IpfCpuCore.i b/MdeModulePkg/Core/Pei/Ipf/IpfCpuCore.i deleted file mode 100644 index c8a209debc..0000000000 --- a/MdeModulePkg/Core/Pei/Ipf/IpfCpuCore.i +++ /dev/null @@ -1,93 +0,0 @@ -//++
-// Copyright (c) 2006, Intel Corporation
-// All rights reserved. This program and the accompanying materials
-// are licensed and made available under the terms and conditions of the BSD License
-// which accompanies this distribution. The full text of the license may be found at
-// http://opensource.org/licenses/bsd-license.php
-//
-// THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-// WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-//
-// Module Name:
-//
-// IpfCpuCore.i
-//
-// Abstract:
-// IPF CPU definitions
-//
-//--
-
-#ifndef _IPF_CPU_CORE_
-#define _IPF_CPU_CORE_
-
-#define PEI_BSP_STORE_SIZE 0x4000
-#define ResetFn 0x00
-#define MachineCheckFn 0x01
-#define InitFn 0x02
-#define RecoveryFn 0x03
-#define GuardBand 0x10
-
-//
-// Define hardware RSE Configuration Register
-//
-
-//
-// RS Configuration (RSC) bit field positions
-//
-#define RSC_MODE 0
-#define RSC_PL 2
-#define RSC_BE 4
-//
-// RSC bits 5-15 reserved
-//
-#define RSC_MBZ0 5
-#define RSC_MBZ0_V 0x3ff
-#define RSC_LOADRS 16
-#define RSC_LOADRS_LEN 14
-//
-// RSC bits 30-63 reserved
-//
-#define RSC_MBZ1 30
-#define RSC_MBZ1_V 0x3ffffffffULL
-
-//
-// RSC modes
-//
-
-//
-// Lazy
-//
-#define RSC_MODE_LY (0x0)
-//
-// Store intensive
-//
-#define RSC_MODE_SI (0x1)
-//
-// Load intensive
-//
-#define RSC_MODE_LI (0x2)
-//
-// Eager
-//
-#define RSC_MODE_EA (0x3)
-
-//
-// RSC Endian bit values
-//
-#define RSC_BE_LITTLE 0
-#define RSC_BE_BIG 1
-
-//
-// RSC while in kernel: enabled, little endian, pl = 0, eager mode
-//
-#define RSC_KERNEL ((RSC_MODE_EA<<RSC_MODE) | (RSC_BE_LITTLE<<RSC_BE))
-//
-// Lazy RSC in kernel: enabled, little endian, pl = 0, lazy mode
-//
-#define RSC_KERNEL_LAZ ((RSC_MODE_LY<<RSC_MODE) | (RSC_BE_LITTLE<<RSC_BE))
-//
-// RSE disabled: disabled, pl = 0, little endian, eager mode
-//
-#define RSC_KERNEL_DISABLED ((RSC_MODE_LY<<RSC_MODE) | (RSC_BE_LITTLE<<RSC_BE))
-
-#endif
diff --git a/MdeModulePkg/Core/Pei/Ipf/IpfCpuCore.s b/MdeModulePkg/Core/Pei/Ipf/IpfCpuCore.s index dfb93821a5..ede5a61eed 100644 --- a/MdeModulePkg/Core/Pei/Ipf/IpfCpuCore.s +++ b/MdeModulePkg/Core/Pei/Ipf/IpfCpuCore.s @@ -22,145 +22,6 @@ #include "IpfMacro.i"
#include "Ipf/IpfCpuCore.i"
-//----------------------------------------------------------------------------------
-// This module supports terminating CAR (Cache As RAM) stage. It copies all the
-// CAR data into real RAM and then makes a stack switch.
-
-// EFI_STATUS
-// SwitchCoreStacks (
-// IN VOID *EntryPoint,
-// IN UINTN CopySize,
-// IN VOID *OldBase,
-// IN VOID *NewBase
-// IN UINTN NewSP, OPTIONAL
-// IN UINTN NewBSP OPTIONAL
-// )
-// EFI_STATUS
-// SwitchCoreStacks (
-// IN VOID *EntryPointForContinuationFunction,
-// IN UINTN StartupDescriptor,
-// IN VOID PEICorePointer,
-// IN UINTN NewSP
-// )
-//----------------------------------------------------------------------------------
-PROCEDURE_ENTRY (SwitchCoreStacks)
-
- NESTED_SETUP (4,2,0,0)
-
- // first save all stack registers in GPRs.
- mov r13 = in0;; // this is a pointer to the PLABEL of the continuation function.
- ld8 r16 = [r13],8;; // r16 = address of continuation function from the PLABEL
- ld8 gp = [r13];; // gp = gp of continuation function from the PLABEL
- mov b1 = r16;;
-
- // save the parameters in r5, r6. these 2 seemed to be preserved across PAL calls
- mov r5 = in1;; // this is the parameter1 to pass to the continuation function
- mov r6 = in2;; // this is the parameter2 to pass to the continuation function
- dep r6=0,r6,63,1;; // zero the bit 63.
-
- mov r8 = in3;; // new stack pointer.
-
- // r8 has the sp, this is 128K stack size, from this we will reserve 16K for the bspstore
- movl r15 = PEI_BSP_STORE_SIZE;;
- sub r8 = r8, r15;;
- add r15 = (GuardBand),r8;; // some little buffer, now r15 will be our bspstore
-
- // save the bspstore value to r4, save sp value to r7
- mov r4 = r15
- mov r7 = r8
- mov r16 = r8;; // will be the new sp in uncache mode
-
-
- alloc r11=0,0,0,0;; // Set 0-size frame
- flushrs;;
-
- mov r21 = RSC_KERNEL_DISABLED;; // for rse disable
- mov ar.rsc = r21;; // turn off RSE
-
- add sp = r0, r16 // transfer to the EFI stack
- mov ar.bspstore = r15 // switch to EFI BSP
- invala // change of ar.bspstore needs invala.
-
- mov r19 = RSC_KERNEL_LAZ;; // RSC enabled, Lazy mode
- mov ar.rsc = r19;; // turn rse on, in kernel mode
-
-//-----------------------------------------------------------------------------------
-// Save here the meaningful stuff for next few lines and then make the PAL call.
-// Make PAL call to terminate the CAR status.
- // AVL: do this only for recovery check call...
-
- mov r28=ar.k3;;
- dep r2 = r28,r0,0,8;; // Extract Function bits from GR20.
- cmp.eq p6,p7 = RecoveryFn,r2;; // Is it Recovery check
- (p7) br.sptk.few DoneCARTermination; // if not, don't terminate car..
-
-TerminateCAR::
-
- mov r28 = ip;;
- add r28 = (DoneCARTerminationPALCall - TerminateCAR),r28;;
- mov b0 = r28
-
- mov r8 = ar.k5;;
- mov b6 = r8
- mov r28 = 0x208
-
- mov r29 = r0
- mov r30 = r0
- mov r31 = r0
- mov r8 = r0;;
- br.sptk.few b6;; // Call PAL-A call.
-
-DoneCARTerminationPALCall::
-
-// don't check error in soft sdv, it is always returning -1 for this call for some reason
-#if SOFT_SDV
-#else
-ReturnToPEIMain::
- cmp.eq p6,p7 = r8,r0;;
- //
- // dead loop if the PAL call failed, we have the CAR on but the stack is now pointing to memory
- //
- (p7) br.sptk.few ReturnToPEIMain;;
- //
- // PAL call successed,now the stack are in memory so come into cache mode
- // instead of uncache mode
- //
-
- alloc r11=0,0,0,0;; // Set 0-size frame
- flushrs;;
-
- mov r21 = RSC_KERNEL_DISABLED;; // for rse disable
- mov ar.rsc = r21;; // turn off RSE
-
- dep r6 = 0,r6,63,1 // zero the bit 63
- dep r7 = 0,r7,63,1 // zero the bit 63
- dep r4 = 0,r4,63,1;; // zero the bit 63
- add sp = r0, r7 // transfer to the EFI stack in cache mode
- mov ar.bspstore = r4 // switch to EFI BSP
- invala // change of ar.bspstore needs invala.
-
- mov r19 = RSC_KERNEL_LAZ;; // RSC enabled, Lazy mode
- mov ar.rsc = r19;; // turn rse on, in kernel mode
-
-#endif
-
-DoneCARTermination::
-
- // allocate a stack frame:
- alloc r11=0,2,2,0 ;; // alloc outs going to ensuing DXE IPL service
- // on the new stack
- mov out0 = r5;;
- mov out1 = r6;;
-
- mov r16 = b1;;
- mov b6 = r16;;
- br.call.sptk.few b0=b6;; // Call the continuation function
-
- NESTED_RETURN
-
-PROCEDURE_EXIT(SwitchCoreStacks)
-//-----------------------------------------------------------------------------------
-
//---------------------------------------------------------------------------------
//++
// GetHandOffStatus
diff --git a/MdeModulePkg/Core/Pei/PeiMain.inf b/MdeModulePkg/Core/Pei/PeiMain.inf index 1760081cd3..647e709417 100644 --- a/MdeModulePkg/Core/Pei/PeiMain.inf +++ b/MdeModulePkg/Core/Pei/PeiMain.inf @@ -57,9 +57,7 @@ Ipf/Stack.c
Ipf/IpfPeiMain.h
Ipf/IpfCpuCore.s
- Ipf/IpfCpuCore.i
Ipf/SwitchToCacheMode.c
- Ipf/InternalSwitchStack.c
[Sources.EBC]
Dispatcher/Stack.c
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