mirror of https://github.com/acidanthera/audk.git
Add .S file for GCC tool-chain for PeiLib.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@5749 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
qwang12
parent
f1694d2768
commit
17b36c32d4
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@ -62,8 +62,10 @@ COMPONENT_TYPE = LIBRARY
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x64/Processor.c
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x64/ProcessorAsms.Asm |MSFT
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x64/ProcessorAsms.Asm |INTEL
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x64/ProcessorAsms.S |GCC
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x64/SupportItpDebug.asm |MSFT
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x64/SupportItpDebug.asm |INTEL
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x64/SupportItpDebug.S |GCC
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x64/EfiJump.h
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x64/PeiServicePointer.c
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@ -0,0 +1,135 @@
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#------------------------------------------------------------------------------
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#
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# Copyright (c) 2008, Intel Corporation
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# All rights reserved. This program and the accompanying materials
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# are licensed and made available under the terms and conditions of the BSD License
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# which accompanies this distribution. The full text of the license may be found at
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# http://opensource.org/licenses/bsd-license.php
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#
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# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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#
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# Module Name:
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# ProcessorAsms.S
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#
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# Abstract:
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# This is separated from processor.c to allow this functions to be built with /O1
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#
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#
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#------------------------------------------------------------------------------
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#include <EfiBind.h>
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.text
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.global ASM_PFX(SwitchStacks)
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.global ASM_PFX(TransferControlSetJump)
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.global ASM_PFX(TransferControlLongJump)
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#
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# Routine Description:
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# This allows the caller to switch the stack and goes to the new entry point
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#
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# Arguments:
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# EntryPoint - Pointer to the location to enter // rcx
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# Parameter - Parameter to pass in // rdx
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# NewStack - New Location of the stack // r8
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# NewBsp - New BSP // r9 - not used
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#
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# Returns:
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# Nothing. Goes to the Entry Point passing in the new parameters
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#
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ASM_PFX(SwitchStacks):
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# Adjust stack for
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# 1) leave 4 registers space
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# 2) let it 16 bytes aligned after call
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sub $0x20,%r8
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and -0x10,%r8w # do not assume 16 bytes aligned
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mov %r8,%rsp
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mov %rcx,%r10
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mov %rdx,%rcx
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callq *%r10
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#
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# no ret as we have a new stack and we jumped to the new location
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#
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ret
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#SwitchStacks ENDP
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.equ EFI_SUCCESS, 0
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.equ EFI_WARN_RETURN_FROM_LONG_JUMP, 5
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#
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#Routine Description:
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#
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# This routine implements the x64 variant of the SetJump call. Its
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# responsibility is to store system state information for a possible
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# subsequent LongJump.
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#
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#Arguments:
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#
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# Pointer to CPU context save buffer.
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#
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#Returns:
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#
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# EFI_SUCCESS
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#
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# EFI_STATUS
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# EFIAPI
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# TransferControlLongJump (
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# IN EFI_PEI_TRANSFER_CONTROL_PROTOCOL *This,
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# IN EFI_JUMP_BUFFER *Jump
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# );
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#
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# rcx - *This
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# rdx - JumpBuffer
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#
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ASM_PFX(TransferControlSetJump):
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mov %rbx,(%rdx)
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mov %rsp,0x8(%rdx)
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mov %rbp,0x10(%rdx)
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mov %rdi,0x18(%rdx)
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mov %rsi,0x20(%rdx)
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mov %r10,0x28(%rdx)
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mov %r11,0x30(%rdx)
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mov %r12,0x38(%rdx)
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mov %r13,0x40(%rdx)
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mov %r14,0x48(%rdx)
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mov %r15,0x50(%rdx)
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mov (%rsp),%rax
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mov %rax,0x58(%rdx)
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mov $0x0,%rax
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retq
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#
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# EFI_STATUS
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# EFIAPI
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# TransferControlLongJump (
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# IN EFI_PEI_TRANSFER_CONTROL_PROTOCOL *This, // rcx
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# IN EFI_JUMP_BUFFER *Jump // rdx
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# );
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#
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#
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ASM_PFX(TransferControlLongJump):
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# set return from SetJump to EFI_WARN_RETURN_FROM_LONG_JUMP
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mov $0x5,%rax
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mov (%rdx),%rbx
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mov 0x8(%rdx),%rsp
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mov 0x10(%rdx),%rbp
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mov 0x18(%rdx),%rdi
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mov 0x20(%rdx),%rsi
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mov 0x28(%rdx),%r10
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mov 0x30(%rdx),%r11
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mov 0x38(%rdx),%r12
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mov 0x40(%rdx),%r13
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mov 0x48(%rdx),%r14
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mov 0x50(%rdx),%r15
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add $0x8,%rsp
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jmpq *0x58(%rdx)
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mov $0x5,%rax
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retq
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@ -0,0 +1,78 @@
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#------------------------------------------------------------------------------
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#
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# Copyright (c) 2008, Intel Corporation
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# All rights reserved. This program and the accompanying materials
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# are licensed and made available under the terms and conditions of the BSD License
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# which accompanies this distribution. The full text of the license may be found at
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# http://opensource.org/licenses/bsd-license.php
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#
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# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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#
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# Module Name:
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#
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# SupportItpDebug.S
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#
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# Abstract:
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#
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# This is the code for debuging X64, to add a break hook at loading every module
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#
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#------------------------------------------------------------------------------
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#include <EfiBind.h>
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.text
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.global ASM_PFX(AsmEfiSetBreakSupport)
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#------------------------------------------------------------------------------
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# VOID
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# AsmEfiSetBreakSupport (
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# IN UINTN LoadAddr // rcx
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# )
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#------------------------------------------------------------------------------
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ASM_PFX(AsmEfiSetBreakSupport):
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movw $60000, %dx
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outl %eax, %dx
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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ret
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