Add in the 1st version of ECP.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2832 6f19259b-4bc3-4df7-8a09-765794883524
2007-06-28 07:00:39 +00:00
parent 30d4a0c7ec
commit 3eb9473ea9
1433 changed files with 266617 additions and 0 deletions
--- a/EdkCompatibilityPkg/Foundation/Cpu/Pentium/CpuIA32Lib/IA32/CpuIA32.c
+++ b/EdkCompatibilityPkg/Foundation/Cpu/Pentium/CpuIA32Lib/IA32/CpuIA32.c
@@ -0,0 +1,179 @@
+/*++
+
+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"
+
+VOID
+EfiHalt (VOID)
+{
+  __asm {
+    hlt
+  }
+}
+
+VOID
+EfiWbinvd (VOID)
+{
+  __asm {
+    wbinvd
+  }
+}
+
+VOID
+EfiInvd (VOID)
+{
+  __asm {
+    invd
+  }
+}
+
+VOID
+EfiCpuid (IN UINT32 RegisterInEax,
+          OUT EFI_CPUID_REGISTER *Reg OPTIONAL)
+{
+  __asm {
+    pushad
+
+    mov    eax, RegisterInEax
+    cpuid
+    cmp    Reg, 0
+    je     _Exit
+    mov    edi, DWORD PTR Reg 
+
+    mov    DWORD PTR [edi].RegEax, eax   ; Reg->RegEax
+    mov    DWORD PTR [edi].RegEbx, ebx   ; Reg->RegEbx
+    mov    DWORD PTR [edi].RegEcx, ecx   ; Reg->RegEcx
+    mov    DWORD PTR [edi].RegEdx, edx   ; Reg->RegEdx
+
+_Exit:
+     popad
+  }
+}
+
+UINT64
+EfiReadMsr (IN UINT32 Index)
+{
+  __asm {
+    mov    ecx, Index
+    rdmsr
+  }
+}
+
+VOID
+EfiWriteMsr (
+  IN   UINT32  Index,
+  IN   UINT64  Value
+  )
+{
+  __asm {
+    mov    ecx, Index
+    mov    eax, DWORD PTR Value[0]
+    mov    edx, DWORD PTR Value[4]
+    wrmsr            
+  }
+}
+
+UINT64
+EfiReadTsc (VOID)
+{
+  __asm {
+    rdtsc
+  }
+}
+
+VOID
+EfiDisableCache (VOID)
+{
+  __asm {
+    mov   eax, cr0
+    bswap eax
+    and   al, 60h
+    cmp   al, 60h
+    je    Exit
+    wbinvd
+    mov   eax, cr0
+    or    eax, 060000000h     
+    mov   cr0, eax
+Exit:
+  }
+}
+
+VOID
+EfiEnableCache (VOID)
+{
+  __asm {
+    invd
+    mov   eax, cr0
+    and   eax, 09fffffffh         
+    mov   cr0, eax
+  }
+}
+
+UINT32
+EfiGetEflags (
+  VOID
+  )
+{
+  __asm {
+    pushfd
+    pop  eax
+  }
+}
+
+VOID
+EfiDisableInterrupts (VOID)
+{
+  __asm {
+    cli
+  }
+}
+
+VOID
+EfiEnableInterrupts (
+  VOID
+  )
+{
+  __asm {
+    sti
+  }
+}
+
+VOID
+EfiCpuidExt (
+  IN   UINT32              RegisterInEax,
+  IN   UINT32              CacheLevel,
+  OUT  EFI_CPUID_REGISTER  *Regs              
+  )
+{
+  __asm {
+    pushad
+
+    mov    eax, RegisterInEax
+    mov    ecx, CacheLevel
+    cpuid
+    mov    edi, DWORD PTR Regs 
+
+    mov    DWORD PTR [edi].RegEax, eax   ; Reg->RegEax
+    mov    DWORD PTR [edi].RegEbx, ebx   ; Reg->RegEbx
+    mov    DWORD PTR [edi].RegEcx, ecx   ; Reg->RegEcx
+    mov    DWORD PTR [edi].RegEdx, edx   ; Reg->RegEdx
+
+    popad
+  }
+}