init. 1AQQW051HEADmaster

1 files changed, 234 insertions, 0 deletions

diff --git a/EDK/Foundation/Cpu/Pentium/CpuIA32Lib/IA32/CpuIA32.asm b/EDK/Foundation/Cpu/Pentium/CpuIA32Lib/IA32/CpuIA32.asm
new file mode 100644
index 0000000..2a64c66
--- /dev/null
+++ b/EDK/Foundation/Cpu/Pentium/CpuIA32Lib/IA32/CpuIA32.asm
@@ -0,0 +1,234 @@
+TITLE   CpuIA32.asm: Assembly code for the IA-32 resources
+
+;*****************************************************************************
+;*
+;*   Copyright (c) 2004 - 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.asm
+;*  
+;*   Abstract:
+;*  
+;*****************************************************************************
+
+  
+  .686P
+  .MODEL FLAT,C
+  .CODE
+  
+  INCLUDE IA32Type.inc
+
+  
+
+;------------------------------------------------------------------------------
+;  VOID
+;  EfiHalt (
+;    VOID
+;    )
+;------------------------------------------------------------------------------
+EfiHalt PROC    PUBLIC
+    hlt
+    ret
+EfiHalt ENDP
+
+
+;------------------------------------------------------------------------------
+;  VOID
+;  EfiWbinvd (
+;    VOID
+;    )
+;------------------------------------------------------------------------------
+EfiWbinvd PROC    PUBLIC
+    wbinvd
+    ret
+EfiWbinvd ENDP
+
+
+;------------------------------------------------------------------------------
+;  VOID
+;  EfiInvd (
+;    VOID
+;    )
+;------------------------------------------------------------------------------
+EfiInvd PROC    PUBLIC
+    invd
+    ret
+EfiInvd ENDP
+
+;------------------------------------------------------------------------------
+;  VOID
+;  EfiCpuid (
+;    IN   UINT32              RegisterInEax,    
+;    OUT  EFI_CPUID_REGISTER  *Reg           OPTIONAL 
+;    )
+;------------------------------------------------------------------------------
+EfiCpuid PROC    PUBLIC RegisterInEax:UINT32, Reg:PTR EFI_CPUID_REGISTER
+     pushad
+     
+     mov    eax, RegisterInEax
+     cpuid
+     cmp    Reg, 0
+     je     _Exit
+     mov    edi, DWORD PTR Reg 
+     ASSUME edi: PTR EFI_CPUID_REGISTER
+     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
+     ret
+EfiCpuid  ENDP
+
+;------------------------------------------------------------------------------
+;  UINT64
+;  EfiReadMsr (
+;    IN   UINT32  Index,
+;    )
+;------------------------------------------------------------------------------
+EfiReadMsr PROC    PUBLIC Index:UINT32
+    push   ecx
+    mov    ecx, Index
+    rdmsr
+    pop    ecx
+    ret
+EfiReadMsr  ENDP
+
+;------------------------------------------------------------------------------
+;  VOID
+;  EfiWriteMsr (
+;    IN   UINT32  Index,
+;    IN   UINT64  Value
+;    )
+;------------------------------------------------------------------------------
+EfiWriteMsr PROC    PUBLIC Index:UINT32, Value:UINT64
+    pushad
+    mov    ecx, Index
+    mov    eax, DWORD PTR Value[0]
+    mov    edx, DWORD PTR Value[4]
+    wrmsr            
+    popad  
+    ret
+EfiWriteMsr  ENDP
+
+
+;------------------------------------------------------------------------------
+; UINT64
+; EfiReadTsc (
+;   VOID
+;   );
+;------------------------------------------------------------------------------
+EfiReadTsc PROC    PUBLIC
+    rdtsc
+    ret
+EfiReadTsc  ENDP
+
+;------------------------------------------------------------------------------
+; VOID
+; EfiDisableCache (
+;   VOID
+;   );
+;------------------------------------------------------------------------------
+EfiDisableCache PROC    PUBLIC
+; added a check to see if cache is already disabled. If it is, then skip.
+    push  eax
+    mov   eax, cr0
+    bswap eax
+    and   al, 60h
+    cmp   al, 60h
+    je    @f
+    wbinvd
+    mov   eax, cr0
+    or    eax, 060000000h     
+    mov   cr0, eax
+@@:
+    pop   eax
+    ret
+EfiDisableCache ENDP
+
+;------------------------------------------------------------------------------
+; VOID
+; EfiEnableCache (
+;   VOID
+;   );
+;------------------------------------------------------------------------------
+EfiEnableCache PROC    PUBLIC
+    push  eax
+    wbinvd
+    mov   eax, cr0
+    and   eax, 09fffffffh         
+    mov   cr0, eax
+    pop   eax
+    ret
+EfiEnableCache ENDP
+
+;------------------------------------------------------------------------------
+; UINT32
+; EfiGetEflags (
+;   VOID
+;   );
+;------------------------------------------------------------------------------
+EfiGetEflags PROC    PUBLIC
+    pushfd
+    pop  eax
+    ret
+EfiGetEflags  ENDP
+
+;------------------------------------------------------------------------------
+; VOID
+; EfiDisableInterrupts (
+;   VOID
+;   );
+;------------------------------------------------------------------------------
+EfiDisableInterrupts PROC    PUBLIC
+    cli
+    ret
+EfiDisableInterrupts  ENDP
+
+;------------------------------------------------------------------------------
+; VOID
+; EfiEnableInterrupts (
+;   VOID
+;   );
+;------------------------------------------------------------------------------
+EfiEnableInterrupts PROC    PUBLIC
+    sti
+    ret
+EfiEnableInterrupts  ENDP
+;------------------------------------------------------------------------------
+;  VOID
+;  EfiCpuidExt (
+;    IN   UINT32              RegisterInEax,
+;    IN   UINT32              CacheLevel,
+;    OUT  EFI_CPUID_REGISTER  *Regs              
+;    )
+;------------------------------------------------------------------------------
+EfiCpuidExt PROC    PUBLIC \
+  RegisterInEax:UINT32,    \
+  CacheLevel:UINT32,       \
+  Regs:PTR EFI_CPUID_REGISTER
+     pushad
+     
+     mov    eax, RegisterInEax
+     mov    ecx, CacheLevel
+     cpuid
+     mov    edi, DWORD PTR Regs 
+     ASSUME edi: PTR EFI_CPUID_REGISTER
+     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
+     ret
+EfiCpuidExt  ENDP
+END