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authorqwang12 <qwang12@6f19259b-4bc3-4df7-8a09-765794883524>2008-08-27 13:49:54 +0000
committerqwang12 <qwang12@6f19259b-4bc3-4df7-8a09-765794883524>2008-08-27 13:49:54 +0000
commit9a1ed7989031e0b2ebda249504dbb33d698dfb85 (patch)
tree8f9f9c2dfd3027a360daff8d6076f7312fee3be7 /EdkCompatibilityPkg/Foundation/Cpu
parent070f0cf7f2abafb5f04ffd2fa78abba7385531b9 (diff)
downloadedk2-platforms-9a1ed7989031e0b2ebda249504dbb33d698dfb85.tar.xz
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
Diffstat (limited to 'EdkCompatibilityPkg/Foundation/Cpu')
-rw-r--r--EdkCompatibilityPkg/Foundation/Cpu/Pentium/CpuIA32Lib/CpuIA32Lib_Edk2.inf1
-rw-r--r--EdkCompatibilityPkg/Foundation/Cpu/Pentium/CpuIA32Lib/x64/Cpu.S208
2 files changed, 209 insertions, 0 deletions
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 <EfiBind.h>
+
+.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