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Diffstat (limited to 'src/vendorcode/amd/agesa/f15tn/Lib/x64/amdlib64.asm')
| -rw-r--r-- | src/vendorcode/amd/agesa/f15tn/Lib/x64/amdlib64.asm | 629 |
1 files changed, 629 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f15tn/Lib/x64/amdlib64.asm b/src/vendorcode/amd/agesa/f15tn/Lib/x64/amdlib64.asm new file mode 100644 index 0000000000..467f4b7a3e --- /dev/null +++ b/src/vendorcode/amd/agesa/f15tn/Lib/x64/amdlib64.asm @@ -0,0 +1,629 @@ +;/** +; * @file +; * +; * Agesa library 64bit +; * +; * Contains AMD AGESA Library +; * +; * @xrefitem bom "File Content Label" "Release Content" +; * @e project: AGESA +; * @e sub-project: Lib +; * @e \$Revision: 17071 $ @e \$Date: 2009-07-30 10:13:11 -0700 (Thu, 30 Jul 2009) $ +; */ +;***************************************************************************** +; +; Copyright 2008 - 2012 ADVANCED MICRO DEVICES, INC. All Rights Reserved. +; +; AMD is granting you permission to use this software (the Materials) +; pursuant to the terms and conditions of your Software License Agreement +; with AMD. This header does *NOT* give you permission to use the Materials +; or any rights under AMD's intellectual property. Your use of any portion +; of these Materials shall constitute your acceptance of those terms and +; conditions. If you do not agree to the terms and conditions of the Software +; License Agreement, please do not use any portion of these Materials. +; +; CONFIDENTIALITY: The Materials and all other information, identified as +; confidential and provided to you by AMD shall be kept confidential in +; accordance with the terms and conditions of the Software License Agreement. +; +; LIMITATION OF LIABILITY: THE MATERIALS AND ANY OTHER RELATED INFORMATION +; PROVIDED TO YOU BY AMD ARE PROVIDED "AS IS" WITHOUT ANY EXPRESS OR IMPLIED +; WARRANTY OF ANY KIND, INCLUDING BUT NOT LIMITED TO WARRANTIES OF +; MERCHANTABILITY, NONINFRINGEMENT, TITLE, FITNESS FOR ANY PARTICULAR PURPOSE, +; OR WARRANTIES ARISING FROM CONDUCT, COURSE OF DEALING, OR USAGE OF TRADE. +; IN NO EVENT SHALL AMD OR ITS LICENSORS BE LIABLE FOR ANY DAMAGES WHATSOEVER +; (INCLUDING, WITHOUT LIMITATION, DAMAGES FOR LOSS OF PROFITS, BUSINESS +; INTERRUPTION, OR LOSS OF INFORMATION) ARISING OUT OF AMD'S NEGLIGENCE, +; GROSS NEGLIGENCE, THE USE OF OR INABILITY TO USE THE MATERIALS OR ANY OTHER +; RELATED INFORMATION PROVIDED TO YOU BY AMD, EVEN IF AMD HAS BEEN ADVISED OF +; THE POSSIBILITY OF SUCH DAMAGES. BECAUSE SOME JURISDICTIONS PROHIBIT THE +; EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES, +; THE ABOVE LIMITATION MAY NOT APPLY TO YOU. +; +; AMD does not assume any responsibility for any errors which may appear in +; the Materials or any other related information provided to you by AMD, or +; result from use of the Materials or any related information. +; +; You agree that you will not reverse engineer or decompile the Materials. +; +; NO SUPPORT OBLIGATION: AMD is not obligated to furnish, support, or make any +; further information, software, technical information, know-how, or show-how +; available to you. Additionally, AMD retains the right to modify the +; Materials at any time, without notice, and is not obligated to provide such +; modified Materials to you. +; +; U.S. GOVERNMENT RESTRICTED RIGHTS: The Materials are provided with +; "RESTRICTED RIGHTS." Use, duplication, or disclosure by the Government is +; subject to the restrictions as set forth in FAR 52.227-14 and +; DFAR252.227-7013, et seq., or its successor. Use of the Materials by the +; Government constitutes acknowledgement of AMD's proprietary rights in them. +; +; EXPORT ASSURANCE: You agree and certify that neither the Materials, nor any +; direct product thereof will be exported directly or indirectly, into any +; country prohibited by the United States Export Administration Act and the +; regulations thereunder, without the required authorization from the U.S. +; government nor will be used for any purpose prohibited by the same. +;***************************************************************************** + +.code +;/*++ + +;/*---------------------------------------------------------------------------------------*/ +;/** +; * Write IO byte +; * +; * @param[in] CX IO port address +; * @param[in] DL IO port Value +; */ + +PUBLIC WriteIo8 +WriteIo8 PROC + mov al, dl + mov dx, cx + out dx, al + ret +WriteIo8 ENDP + +;/*---------------------------------------------------------------------------------------*/ +;/** +; * Write IO word +; * +; * @param[in] CX IO port address +; * @param[in] DX IO port Value +; */ +PUBLIC WriteIo16 +WriteIo16 PROC + mov ax, dx + mov dx, cx + out dx, ax + ret +WriteIo16 ENDP + +;/*---------------------------------------------------------------------------------------*/ +;/** +; * Write IO dword +; * +; * @param[in] CX IO port address +; * @param[in] EDX IO port Value +; */ + +PUBLIC WriteIo32 +WriteIo32 PROC + mov eax, edx + mov dx, cx + out dx, eax + ret +WriteIo32 ENDP + +;/*---------------------------------------------------------------------------------------*/ +;/** +; * Read IO byte +; * +; * @param[in] CX IO port address +; * @retval AL IO port Value +; */ +PUBLIC ReadIo8 +ReadIo8 PROC + mov dx, cx + in al, dx + ret +ReadIo8 ENDP + +;/*---------------------------------------------------------------------------------------*/ +;/** +; * Read IO word +; * +; * @param[in] CX IO port address +; * @retval AX IO port Value +; */ +PUBLIC ReadIo16 +ReadIo16 PROC + mov dx, cx + in ax, dx + ret +ReadIo16 ENDP + +;/*---------------------------------------------------------------------------------------*/ +;/** +; * Read IO dword +; * +; * @param[in] CX IO port address +; * @retval EAX IO port Value +; */ +PUBLIC ReadIo32 +ReadIo32 PROC + mov dx, cx + in eax, dx + ret +ReadIo32 ENDP + + +;/*---------------------------------------------------------------------------------------*/ +;/** +; * Read MSR +; * +; * @param[in] RCX MSR Address +; * @param[in] RDX Pointer to data +; * @param[in] R8D ConfigPtr (Optional) +; */ +PUBLIC LibAmdMsrRead +LibAmdMsrRead PROC + push rsi + mov rsi, rdx + rdmsr + mov [rsi], eax + mov [rsi+4], edx + pop rsi + ret +LibAmdMsrRead ENDP + +;/*---------------------------------------------------------------------------------------*/ +;/** +; * Write MSR +; * +; * @param[in] RCX MSR Address +; * @param[in] RDX Pointer to data +; * @param[in] R8D ConfigPtr (Optional) +; */ +PUBLIC LibAmdMsrWrite +LibAmdMsrWrite PROC + push rsi + mov rsi, rdx + mov eax, [rsi] + and rax, 0ffffffffh + mov edx, [rsi+4] + and rdx, 0ffffffffh + wrmsr + pop rsi + ret +LibAmdMsrWrite ENDP + +;/*---------------------------------------------------------------------------------------*/ +;/** +; * Read CPUID +; * +; * @param[in] RCX CPUID function +; * @param[in] RDX Pointer to CPUID_DATA to save cpuid data +; * @param[in] R8D ConfigPtr (Optional) +; */ +PUBLIC LibAmdCpuidRead +LibAmdCpuidRead PROC + + push rbx + push rsi + mov rsi, rdx + mov rax, rcx + cpuid + mov [rsi], eax + mov [rsi+4], ebx + mov [rsi+8], ecx + mov [rsi+12],edx + pop rsi + pop rbx + ret + +LibAmdCpuidRead ENDP + +;/*---------------------------------------------------------------------------------------*/ +;/** +; * Read TSC +; * +; * +; * @retval RAX Time stamp counter value +; */ + +PUBLIC ReadTSC +ReadTSC PROC + rdtsc + and rax, 0ffffffffh + shl rdx, 32 + or rax, rdx + ret +ReadTSC ENDP + + +;/*---------------------------------------------------------------------------------------*/ +;/** +; * Read memory/MMIO byte +; * +; * @param[in] RCX - Memory Address +; * @retval Memory byte at given address +; */ +PUBLIC Read64Mem8 +Read64Mem8 PROC + + xor rax, rax + mov al, [rcx] + ret + +Read64Mem8 ENDP + +;/*---------------------------------------------------------------------------------------*/ +;/** +; * Read memory/MMIO word +; * +; * @param[in] RCX - Memory Address +; * @retval Memory word at given address +; */ +PUBLIC Read64Mem16 +Read64Mem16 PROC + + xor rax, rax + mov ax, [rcx] + ret + +Read64Mem16 ENDP + +;/*---------------------------------------------------------------------------------------*/ +;/** +; * Read memory/MMIO dword +; * +; * @param[in] RCX - Memory Address +; * @retval Memory dword at given address +; */ +PUBLIC Read64Mem32 +Read64Mem32 PROC + + xor rax, rax + mov eax, [rcx] + ret + +Read64Mem32 ENDP + + +;/*---------------------------------------------------------------------------------------*/ +;/** +; * Write memory/MMIO byte +; * +; * @param[in] RCX Memory Address +; * @param[in] DL Value to write +; */ + +PUBLIC Write64Mem8 +Write64Mem8 PROC + + xor rax, rax + mov rax, rdx + mov [rcx], al + ret + +Write64Mem8 ENDP + +;/*---------------------------------------------------------------------------------------*/ +;/** +; * Write memory/MMIO word +; * +; * @param[in] RCX Memory Address +; * @param[in] DX Value to write +; */ +PUBLIC Write64Mem16 +Write64Mem16 PROC + + xor rax, rax + mov rax, rdx + mov [rcx], ax + ret + +Write64Mem16 ENDP + +;/*---------------------------------------------------------------------------------------*/ +;/** +; * Write memory/MMIO dword +; * +; * @param[in] RCX Memory Address +; * @param[in] EDX Value to write +; */ +PUBLIC Write64Mem32 +Write64Mem32 PROC + + xor rax, rax + mov rax, rdx + mov [rcx], eax + ret + +Write64Mem32 ENDP + +;/*---------------------------------------------------------------------------------------*/ +;/** +; * Read various CPU registers +; * +; * @param[in] CL Register ID (0/4 - CR0/CR4, 10h/11h/12h/13h/17h - DR0/DR1/DR2/DR3/DR7) +; * @param[in] RDX Pointer to value +; */ + +PUBLIC LibAmdReadCpuReg +LibAmdReadCpuReg PROC + + push rax + xor rax, rax +Reg00h: + cmp cl, 00h + jne Reg04h + mov rax, cr0 + jmp RegRead +Reg04h: + cmp cl, 04h + jne Reg10h + mov rax, cr4 + jmp RegRead +Reg10h: + cmp cl, 10h + jne Reg11h + mov rax, dr0 + jmp RegRead +Reg11h: + cmp cl, 11h + jne Reg12h + mov rax, dr1 + jmp RegRead +Reg12h: + cmp cl, 12h + jne Reg13h + mov rax, dr2 + jmp RegRead +Reg13h: + cmp cl, 13h + jne Reg17h + mov rax, dr3 + jmp RegRead +Reg17h: + cmp cl, 17h + jne RegRead + mov rax, dr7 +RegRead: + mov [rdx], eax + pop rax + ret +LibAmdReadCpuReg ENDP + + + +;/*---------------------------------------------------------------------------------------*/ +;/** +; * Write various CPU registers +; * +; * @param[in] CL Register ID (0/4 - CR0/CR4, 10h/11h/12h/13h/17h - DR0/DR1/DR2/DR3/DR7) +; * @param[in] RDX Value to write +; */ + +PUBLIC LibAmdWriteCpuReg +LibAmdWriteCpuReg PROC + + push rax +Reg00h: + cmp cl, 00h + jne Reg04h + mov rax, cr0 + mov eax, edx + mov cr0, rax + jmp Done +Reg04h: + cmp cl, 04h + jne Reg10h + mov rax, cr4 + mov eax, edx + mov cr4, rax + jmp Done +Reg10h: + cmp cl, 10h + jne Reg11h + mov rax, dr0 + mov eax, edx + mov dr0, rax + jmp Done +Reg11h: + cmp cl, 11h + jne Reg12h + mov rax, dr1 + mov eax, edx + mov dr1, rax + jmp Done +Reg12h: + cmp cl, 12h + jne Reg13h + mov rax, dr2 + mov eax, edx + mov dr2, rax + jmp Done +Reg13h: + cmp cl, 13h + jne Reg17h + mov rax, dr3 + mov eax, edx + mov dr3, rax + jmp Done +Reg17h: + cmp cl, 17h + jne Done + mov rax, dr7 + mov eax, edx + mov dr7, rax +Done: + pop rax + ret +LibAmdWriteCpuReg ENDP + +;/*---------------------------------------------------------------------------------------*/ +;/** +; * Write back invalidate caches using wbinvd. +; * +; * +; * +; */ + +PUBLIC LibAmdWriteBackInvalidateCache +LibAmdWriteBackInvalidateCache PROC + wbinvd + ret +LibAmdWriteBackInvalidateCache ENDP + +;/*---------------------------------------------------------------------------------------*/ +;/** +; * Stop CPU +; * +; * +; * +; */ + +PUBLIC StopHere +StopHere PROC +@@: + jmp short @b +StopHere ENDP + +;/*---------------------------------------------------------------------------------------*/ +;/** +; * Enter debugger on SimNow +; * +; * +; * +; */ +PUBLIC LibAmdSimNowEnterDebugger +LibAmdSimNowEnterDebugger PROC + pushfq + mov rax, 0BACCD00Bh ; Backdoor in SimNow + mov rbx, 2 ; Select breakpoint feature + cpuid +@@: + jmp short @b + popfq + ret +LibAmdSimNowEnterDebugger ENDP + +;/*---------------------------------------------------------------------------------------*/ +;/** +; * IDS IO port write +; * +; * @param[in] ECX IO Port Address +; * @param[in] EDX Value to write +; * @param[in] R8D IDS flags +; * +; */ + +PUBLIC IdsOutPort +IdsOutPort PROC + push rbx + push rax + + mov ebx, r8d + mov eax, edx + mov edx, ecx + out dx, eax + + pop rax + pop rbx + ret +IdsOutPort ENDP + +;/*---------------------------------------------------------------------------------------*/ +;/** +; * Force breakpoint on HDT +; * +; * +; */ +PUBLIC LibAmdHDTBreakPoint +LibAmdHDTBreakPoint PROC + + push rbx + + mov rcx, 0C001100Ah ;bit 0 = HDT redirect + mov rdi, 09C5A203Ah ;Password + rdmsr + and rax, 0ffffffffh + or rax, 1 + + wrmsr + + mov rax, 0B2h ;Marker = B2 + db 0F1h ;ICEBP + + pop rbx + ret + +LibAmdHDTBreakPoint ENDP + +;/*---------------------------------------------------------------------------------------*/ +;/** +; * Find the most right hand side non-zero bit with +; * +; * @param[in] ECX Value +; */ +PUBLIC LibAmdBitScanForward +LibAmdBitScanForward PROC + bsf eax, ecx + jnz nonZeroSource + mov al,32 +nonZeroSource: + ret +LibAmdBitScanForward ENDP + +;/*---------------------------------------------------------------------------------------*/ +;/** +; * Find the most left hand side non-zero bit. +; * +; * @param[in] ECX Value +; */ +PUBLIC LibAmdBitScanReverse +LibAmdBitScanReverse PROC + bsr eax, ecx + jnz nonZeroSource + mov al,0FFh +nonZeroSource: + ret +LibAmdBitScanReverse ENDP + +;/*---------------------------------------------------------------------------------------*/ +;/** +; * Flush specified number of cache line +; * +; * @param[in] RCX Physical address to be flushed +; * @param[in] DL number of cachelines to be flushed +; */ +PUBLIC LibAmdCLFlush +LibAmdCLFlush PROC + push rax + mov rax, rcx + movzx rcx, dl + @@: + mfence + clflush [rax] + mfence + add rax,64 + loop @B + pop rax + ret +LibAmdCLFlush ENDP + +;/*---------------------------------------------------------------------------------------*/ +;/** +; * FPU init +; * +; * +; */ +PUBLIC LibAmdFinit +LibAmdFinit PROC + finit + ret +LibAmdFinit ENDP + +END |