From c69a09d928ca6f3f2785424b5e4eb50ec4dceae3 Mon Sep 17 00:00:00 2001 From: qwang12 Date: Tue, 22 Jul 2008 01:55:31 +0000 Subject: [PATCH] Add in .S file for GCC tool-chain. git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@5542 6f19259b-4bc3-4df7-8a09-765794883524 --- .../Cpu/Pentium/CpuIA32Lib/IA32/CpuIA32.S | 225 ++++++++++++++++++ 1 file changed, 225 insertions(+) create mode 100644 EdkCompatibilityPkg/Foundation/Cpu/Pentium/CpuIA32Lib/IA32/CpuIA32.S diff --git a/EdkCompatibilityPkg/Foundation/Cpu/Pentium/CpuIA32Lib/IA32/CpuIA32.S b/EdkCompatibilityPkg/Foundation/Cpu/Pentium/CpuIA32Lib/IA32/CpuIA32.S new file mode 100644 index 0000000000..45712ee810 --- /dev/null +++ b/EdkCompatibilityPkg/Foundation/Cpu/Pentium/CpuIA32Lib/IA32/CpuIA32.S @@ -0,0 +1,225 @@ +#/*++ +# +#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: +# +# CpuIA32.c +# +#Abstract: +# +#--*/ + +##include "CpuIA32.h" +#include "EfiBind.h" + +#--------------------------------------------------------------------------- + .586p: + #.MODEL flat,C + .code: + +#--------------------------------------------------------------------------- + +.globl ASM_PFX(EfiHalt) +.globl ASM_PFX(EfiWbinvd) +.globl ASM_PFX(EfiInvd) +.globl ASM_PFX(EfiCpuid) +.globl ASM_PFX(EfiReadMsr) +.globl ASM_PFX(EfiWriteMsr) +.globl ASM_PFX(EfiReadTsc) +.globl ASM_PFX(EfiDisableCache) +.globl ASM_PFX(EfiEnableCache) +.globl ASM_PFX(EfiGetEflags) +.globl ASM_PFX(EfiDisableInterrupts) +.globl ASM_PFX(EfiEnableInterrupts) +.globl ASM_PFX(EfiCpuidExt) + + +#VOID +#EfiHalt ( +# VOID +#) +ASM_PFX(EfiHalt): + hlt + ret +#EfiHalt ENDP + +#VOID +#EfiWbinvd ( +# VOID +#) +ASM_PFX(EfiWbinvd): + wbinvd + ret +#EfiWbinvd ENDP + +#VOID +#EfiInvd ( +# VOID +#) +ASM_PFX(EfiInvd): + invd + ret +#EfiInvd ENDP + +#VOID +#EfiCpuid (IN UINT32 RegisterInEax, +# OUT EFI_CPUID_REGISTER *Reg OPTIONAL) +ASM_PFX(EfiCpuid): + pushl %ebp + movl %esp, %ebp + pushl %ebx + pushl %esi + pushl %edi + pushal + + movl 8(%ebp), %eax #RegisterInEax + cpuid + cmpl $0, 0xC(%ebp) # Reg + je L1 + movl 0xC(%ebp), %edi # Reg + + movl %eax, (%edi) # Reg->RegEax + movl %ebx, 4(%edi) # Reg->RegEbx + movl %ecx, 8(%edi) # Reg->RegEcx + movl %edx, 0xC(%edi) # Reg->RegEdx + +L1: + popal + popl %edi + popl %esi + popl %ebx + popl %ebp + + ret +#EfiCpuid ENDP + + +#UINT64 +#EfiReadMsr ( +# IN UINT32 Index +# ); +ASM_PFX(EfiReadMsr): + movl 4(%esp), %ecx # Index + rdmsr + ret +#EfiReadMsr ENDP + +#VOID +#EfiWriteMsr ( +# IN UINT32 Index, +# IN UINT64 Value +# ); +ASM_PFX(EfiWriteMsr): + movl 4(%esp), %ecx # Index + movl 8(%esp), %eax # DWORD PTR Value[0] + movl 0xC(%esp), %edx # DWORD PTR Value[4] + wrmsr + ret +#EfiWriteMsr ENDP + +#UINT64 +#EfiReadTsc ( +# VOID +# ) +ASM_PFX(EfiReadTsc): + rdtsc + ret +#EfiReadTsc ENDP + +#VOID +#EfiDisableCache ( +# VOID +#) +ASM_PFX(EfiDisableCache): + movl %cr0, %eax + bswapl %eax + andb $0x60, %al + cmpb $0x60, %al + je L2 + movl %cr0, %eax + orl $0x60000000, %eax + movl %eax, %cr0 + wbinvd +L2: + ret +#EfiDisableCache ENDP + +#VOID +#EfiEnableCache ( +# VOID +# ) +ASM_PFX(EfiEnableCache): + invd + movl %cr0, %eax + andl $0x9fffffff, %eax + movl %eax, %cr0 + ret +#EfiEnableCache ENDP + +#UINT32 +#EfiGetEflags ( +# VOID +# ) +ASM_PFX(EfiGetEflags): + pushfl + popl %eax + ret +#EfiGetEflags ENDP + +#VOID +#EfiDisableInterrupts ( +# VOID +# ) +ASM_PFX(EfiDisableInterrupts): + cli + ret +#EfiDisableInterrupts ENDP + +#VOID +#EfiEnableInterrupts ( +# VOID +# ) +ASM_PFX(EfiEnableInterrupts): + sti + ret +#EfiEnableInterrupts ENDP + +#VOID +#EfiCpuidExt ( +# IN UINT32 RegisterInEax, +# IN UINT32 CacheLevel, +# OUT EFI_CPUID_REGISTER *Regs +# ) +ASM_PFX(EfiCpuidExt): + push %ebx + push %edi + push %esi + pushal + + movl 0x30(%esp), %eax # RegisterInEax + movl 0x34(%esp), %ecx # CacheLevel + cpuid + movl 0x38(%esp), %edi # DWORD PTR Regs + + movl %eax, (%edi) # Reg->RegEax + movl %ebx, 4(%edi) # Reg->RegEbx + movl %ecx, 8(%edi) # Reg->RegEcx + movl %edx, 0xC(%edi) # Reg->RegEdx + + popal + pop %esi + pop %edi + pop %ebx + ret +#EfiCpuidExt ENDP + + + -- 2.39.5