diff options
Diffstat (limited to 'EDK/Foundation/Cpu/Pentium/CpuIA32Lib')
| -rw-r--r-- | EDK/Foundation/Cpu/Pentium/CpuIA32Lib/CpuIA32Lib.inf | 43 | ||||
| -rw-r--r-- | EDK/Foundation/Cpu/Pentium/CpuIA32Lib/EfiCpuVersion.c | 73 | ||||
| -rw-r--r-- | EDK/Foundation/Cpu/Pentium/CpuIA32Lib/IA32/CpuIA32.asm | 234 | ||||
| -rw-r--r-- | EDK/Foundation/Cpu/Pentium/CpuIA32Lib/IA32/IA32Type.inc | 34 | ||||
| -rw-r--r-- | EDK/Foundation/Cpu/Pentium/CpuIA32Lib/x64/Cpu.asm | 215 |
5 files changed, 599 insertions, 0 deletions
diff --git a/EDK/Foundation/Cpu/Pentium/CpuIA32Lib/CpuIA32Lib.inf b/EDK/Foundation/Cpu/Pentium/CpuIA32Lib/CpuIA32Lib.inf new file mode 100644 index 0000000..7362aab --- /dev/null +++ b/EDK/Foundation/Cpu/Pentium/CpuIA32Lib/CpuIA32Lib.inf @@ -0,0 +1,43 @@ +#/*++ +# +# Copyright (c) 2004 - 2005, 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: +# +# CpuIA32Lib.inf +# +# Abstract: +# +# Component description file for the Cpu IA32 library. +# +#--*/ + +[defines] +BASE_NAME = CpuIA32Lib +COMPONENT_TYPE = LIBRARY + +[sources.common] + EfiCpuVersion.c + +[sources.ia32] + Ia32\CpuIA32.asm + +[sources.x64] + x64\Cpu.asm +[includes.common] + $(EDK_SOURCE)\Foundation\Efi + $(EDK_SOURCE)\Foundation\Efi\Include + $(EDK_SOURCE)\Foundation\Framework\Include + . + $(EDK_SOURCE)\Foundation\Cpu\Pentium\Include + $(EDK_SOURCE)\Foundation\Include + +[nmake.common] + C_STD_INCLUDE= diff --git a/EDK/Foundation/Cpu/Pentium/CpuIA32Lib/EfiCpuVersion.c b/EDK/Foundation/Cpu/Pentium/CpuIA32Lib/EfiCpuVersion.c new file mode 100644 index 0000000..eea033b --- /dev/null +++ b/EDK/Foundation/Cpu/Pentium/CpuIA32Lib/EfiCpuVersion.c @@ -0,0 +1,73 @@ +/*++ + +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: + + EfiCpuVersion.c + +Abstract: + + Provide cpu version extract considering extended family & model ID. +--*/ + +#include "CpuIA32.h" + +VOID +EfiCpuVersion ( + IN OUT UINT16 *FamilyId, OPTIONAL + IN OUT UINT8 *Model, OPTIONAL + IN OUT UINT8 *SteppingId, OPTIONAL + IN OUT UINT8 *Processor OPTIONAL + ) +/*++ + +Routine Description: + Extract CPU detail version infomation + +Arguments: + FamilyId - FamilyId, including ExtendedFamilyId + Model - Model, including ExtendedModel + SteppingId - SteppingId + Processor - Processor + +--*/ +{ + EFI_CPUID_REGISTER Register; + UINT8 TempFamilyId; + + EfiCpuid (EFI_CPUID_VERSION_INFO, &Register); + + if (SteppingId != NULL) { + *SteppingId = (UINT8) (Register.RegEax & 0xF); + } + + if (Processor != NULL) { + *Processor = (UINT8) ((Register.RegEax >> 12) & 0x3); + } + + if (Model != NULL || FamilyId != NULL) { + TempFamilyId = (UINT8) ((Register.RegEax >> 8) & 0xF); + + if (Model != NULL) { + *Model = (UINT8) ((Register.RegEax >> 4) & 0xF); + if (TempFamilyId == 0x6 || TempFamilyId == 0xF) { + *Model |= (Register.RegEax >> 12) & 0xF0; + } + } + + if (FamilyId != NULL) { + *FamilyId = TempFamilyId; + if (TempFamilyId == 0xF) { + *FamilyId = *FamilyId + (UINT16) ((Register.RegEax >> 20) & 0xFF); + } + } + } +} 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 diff --git a/EDK/Foundation/Cpu/Pentium/CpuIA32Lib/IA32/IA32Type.inc b/EDK/Foundation/Cpu/Pentium/CpuIA32Lib/IA32/IA32Type.inc new file mode 100644 index 0000000..069656e --- /dev/null +++ b/EDK/Foundation/Cpu/Pentium/CpuIA32Lib/IA32/IA32Type.inc @@ -0,0 +1,34 @@ +; +; Copyright (c) 2004, 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: +; +; IA32Type.inc +; + +UINT8 TYPEDEF BYTE +UINT16 TYPEDEF WORD +UINT32 TYPEDEF DWORD +UINT64 TYPEDEF QWORD +UINTN TYPEDEF UINT32 +BOOLEAN TYPEDEF UINT8 +EFI_STATUS TYPEDEF UINTN + +EFI_PHYSICAL_ADDRESS TYPEDEF UINT64 + + +@EFI_CPUID_REGISTER STRUCT 4t +RegEax DWORD ? +RegEbx DWORD ? +RegEcx DWORD ? +RegEdx DWORD ? +@EFI_CPUID_REGISTER ENDS + +EFI_CPUID_REGISTER TYPEDEF @EFI_CPUID_REGISTER diff --git a/EDK/Foundation/Cpu/Pentium/CpuIA32Lib/x64/Cpu.asm b/EDK/Foundation/Cpu/Pentium/CpuIA32Lib/x64/Cpu.asm new file mode 100644 index 0000000..52cab40 --- /dev/null +++ b/EDK/Foundation/Cpu/Pentium/CpuIA32Lib/x64/Cpu.asm @@ -0,0 +1,215 @@ +TITLE Cpu.asm: Assembly code for the x64 resources + +;------------------------------------------------------------------------------ +;* +;* Copyright (c) 2005 - 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: +;* +;------------------------------------------------------------------------------ + +text SEGMENT + + +;------------------------------------------------------------------------------ +; 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, // rcx +; OUT EFI_CPUID_REGISTER *Reg OPTIONAL // rdx +; ) +;------------------------------------------------------------------------------ +EfiCpuid PROC PUBLIC + push rbx + + mov r8, rdx ; r8 = *Reg + mov rax, rcx ; RegisterInEax + cpuid + cmp r8, 0 + je _Exit + mov [r8 + 0], eax ; Reg->RegEax + mov [r8 + 4], ebx ; Reg->RegEbx + mov [r8 + 8], ecx ; Reg->RegEcx + mov [r8 + 12], edx ; Reg->RegEdx + +_Exit: + pop rbx + ret +EfiCpuid ENDP + +;------------------------------------------------------------------------------ +; UINT64 +; EfiReadMsr ( +; IN UINT32 Index, // rcx +; ) +;------------------------------------------------------------------------------ +EfiReadMsr PROC PUBLIC + rdmsr + sal rdx, 32 ; edx:eax -> rax + or rax, rdx ; rax = edx:eax + ret +EfiReadMsr ENDP + +;------------------------------------------------------------------------------ +; VOID +; EfiWriteMsr ( +; IN UINT32 Index, // rcx +; IN UINT64 Value // rdx +; ) +;------------------------------------------------------------------------------ +EfiWriteMsr PROC PUBLIC + mov rax, rdx ; rdx = Value + sar rdx, 32 ; convert rdx to edx upper 32-bits + wrmsr ; wrmsr[ecx] result = edx:eax + ret +EfiWriteMsr ENDP + + +;------------------------------------------------------------------------------ +; UINT64 +; EfiReadTsc ( +; VOID +; ); +;------------------------------------------------------------------------------ +EfiReadTsc PROC PUBLIC + rdtsc + shl rax, 32 + shrd rax, rdx, 32 + ret +EfiReadTsc ENDP + +;------------------------------------------------------------------------------ +; VOID +; EfiDisableCache ( +; VOID +; ); +;------------------------------------------------------------------------------ +EfiDisableCache PROC PUBLIC +; added a check to see if cache is already disabled. If it is, then skip. + mov rax, cr0 + and rax, 060000000h + cmp rax, 0 + jne @f + mov rax, cr0 + or rax, 060000000h + mov cr0, rax + wbinvd +@@: + ret +EfiDisableCache ENDP + +;------------------------------------------------------------------------------ +; VOID +; EfiEnableCache ( +; VOID +; ); +;------------------------------------------------------------------------------ +EfiEnableCache PROC PUBLIC + wbinvd + mov rax, cr0 + and rax, 09fffffffh + mov cr0, rax + ret +EfiEnableCache ENDP + +;------------------------------------------------------------------------------ +; UINTN +; EfiGetEflags ( +; VOID +; ); +;------------------------------------------------------------------------------ +EfiGetEflags PROC PUBLIC + pushfq + pop rax + 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 + push rbx + mov rax, rcx ; rax = RegisterInEax + mov rcx, rdx ; rcx = CacheLevel + + cpuid + mov [r8 + 0 ], eax ; Reg->RegEax + mov [r8 + 4 ], ebx ; Reg->RegEbx + mov [r8 + 8 ], ecx ; Reg->RegEcx + mov [r8 + 12], edx ; Reg->RegEdx + + pop rbx + ret +EfiCpuidExt ENDP +END |