From 9a1ed7989031e0b2ebda249504dbb33d698dfb85 Mon Sep 17 00:00:00 2001 From: qwang12 Date: Wed, 27 Aug 2008 13:49:54 +0000 Subject: [PATCH] Add Cpu.S for X64 GCC tool-chain. git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@5739 6f19259b-4bc3-4df7-8a09-765794883524 --- .../Pentium/CpuIA32Lib/CpuIA32Lib_Edk2.inf | 1 + .../Cpu/Pentium/CpuIA32Lib/x64/Cpu.S | 208 ++++++++++++++++++ 2 files changed, 209 insertions(+) create mode 100644 EdkCompatibilityPkg/Foundation/Cpu/Pentium/CpuIA32Lib/x64/Cpu.S diff --git a/EdkCompatibilityPkg/Foundation/Cpu/Pentium/CpuIA32Lib/CpuIA32Lib_Edk2.inf b/EdkCompatibilityPkg/Foundation/Cpu/Pentium/CpuIA32Lib/CpuIA32Lib_Edk2.inf index 3f40822e6f..fd95fa7e81 100644 --- a/EdkCompatibilityPkg/Foundation/Cpu/Pentium/CpuIA32Lib/CpuIA32Lib_Edk2.inf +++ b/EdkCompatibilityPkg/Foundation/Cpu/Pentium/CpuIA32Lib/CpuIA32Lib_Edk2.inf @@ -34,6 +34,7 @@ COMPONENT_TYPE = LIBRARY [sources.x64] x64/Cpu.asm | MSFT x64/Cpu.asm | INTEL + x64/Cpu.S | GCC [includes.common] $(EDK_SOURCE)/Foundation/Efi diff --git a/EdkCompatibilityPkg/Foundation/Cpu/Pentium/CpuIA32Lib/x64/Cpu.S b/EdkCompatibilityPkg/Foundation/Cpu/Pentium/CpuIA32Lib/x64/Cpu.S new file mode 100644 index 0000000000..3920804828 --- /dev/null +++ b/EdkCompatibilityPkg/Foundation/Cpu/Pentium/CpuIA32Lib/x64/Cpu.S @@ -0,0 +1,208 @@ +#------------------------------------------------------------------------------ +#* +#* Copyright (c) 2008, 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: +#* +#* Cpu.asm +#* +#* Abstract: +#* +#------------------------------------------------------------------------------ +#include + +.globl ASM_PFX(EfiHalt) +.globl ASM_PFX(EfiWbinvd) +.globl ASM_PFX(EfiInvd) +.globl ASM_PFX(EfiCpuid) +.globl ASM_PFX(EfiReadTsc) +.globl ASM_PFX(EfiDisableCache) +.globl ASM_PFX(EfiEnableCache) +.globl ASM_PFX(EfiReadMsr) +.globl ASM_PFX(EfiGetEflags) +.globl ASM_PFX(EfiDisableInterrupts) +.globl ASM_PFX(EfiEnableInterrupts) +.globl ASM_PFX(EfiCpuidExt) + +.text + + +#------------------------------------------------------------------------------ +# VOID +# EfiHalt ( +# VOID +# ) +#------------------------------------------------------------------------------ +ASM_PFX(EfiHalt): + hlt + retq + + +#------------------------------------------------------------------------------ +# VOID +# EfiWbinvd ( +# VOID +# ) +#------------------------------------------------------------------------------ +ASM_PFX(EfiWbinvd): + wbinvd + retq + + +#------------------------------------------------------------------------------ +# VOID +# EfiInvd ( +# VOID +# ) +#------------------------------------------------------------------------------ +ASM_PFX(EfiInvd): + invd + retq + +#------------------------------------------------------------------------------ +# VOID +# EfiCpuid ( +# IN UINT32 RegisterInEax, // rcx +# OUT EFI_CPUID_REGISTER *Reg OPTIONAL // rdx +# ) +#------------------------------------------------------------------------------ +ASM_PFX(EfiCpuid): + push %rbx + mov %rdx,%r8 + mov %rcx,%rax + cpuid + cmp $0x0,%r8 + je _Exit + mov %eax,(%r8) + mov %ebx,0x4(%r8) + mov %ecx,0x8(%r8) + mov %edx,0xc(%r8) +_Exit: + pop %rbx + retq + +#------------------------------------------------------------------------------ +# UINT64 +# EfiReadMsr ( +# IN UINT32 Index, // rcx +# ) +#------------------------------------------------------------------------------ +ASM_PFX(EfiReadMsr): + rdmsr + shl $0x20,%rdx + or %rdx,%rax + retq + +#------------------------------------------------------------------------------ +# VOID +# EfiWriteMsr ( +# IN UINT32 Index, // rcx +# IN UINT64 Value // rdx +# ) +#------------------------------------------------------------------------------ +ASM_PFX(EfiWriteMsr): + mov %rdx,%rax + sar $0x20,%rdx + wrmsr + retq + +#------------------------------------------------------------------------------ +# UINT64 +# EfiReadTsc ( +# VOID +# ); +#------------------------------------------------------------------------------ +ASM_PFX(EfiReadTsc): + rdtsc + shl $0x20,%rax + shrd $0x20,%rdx,%rax + retq + +#------------------------------------------------------------------------------ +# VOID +# EfiDisableCache ( +# VOID +# ); +#------------------------------------------------------------------------------ +ASM_PFX(EfiDisableCache): +# added a check to see if cache is already disabled. If it is, then skip. + mov %cr0,%rax + and $0x60000000,%rax + cmp $0x0,%rax + jne 1f + mov %cr0,%rax + or $0x60000000,%rax + mov %rax,%cr0 + wbinvd +1: + retq + +#------------------------------------------------------------------------------ +# VOID +# EfiEnableCache ( +# VOID +# ); +#------------------------------------------------------------------------------ +ASM_PFX(EfiEnableCache): + invd + mov %cr0,%rax + and $0xffffffff9fffffff,%rax + mov %rax,%cr0 + retq + +#------------------------------------------------------------------------------ +# UINTN +# EfiGetEflags ( +# VOID +# ); +#------------------------------------------------------------------------------ +ASM_PFX(EfiGetEflags): + pushfq + pop %rax + retq + +#------------------------------------------------------------------------------ +# VOID +# EfiDisableInterrupts ( +# VOID +# ); +#------------------------------------------------------------------------------ +ASM_PFX(EfiDisableInterrupts): + cli + ret + +#------------------------------------------------------------------------------ +# VOID +# EfiEnableInterrupts ( +# VOID +# ); +#------------------------------------------------------------------------------ +ASM_PFX(EfiEnableInterrupts): + sti + ret +#------------------------------------------------------------------------------ +# VOID +# EfiCpuidExt ( +# IN UINT32 RegisterInEax, +# IN UINT32 CacheLevel, +# OUT EFI_CPUID_REGISTER *Regs +# ) +#------------------------------------------------------------------------------ +ASM_PFX(EfiCpuidExt): + push %rbx + mov %rcx,%rax + mov %rdx,%rcx + cpuid + mov %eax,(%r8) + mov %ebx,0x4(%r8) + mov %ecx,0x8(%r8) + mov %edx,0xc(%r8) + pop %rbx + retq -- 2.39.2