diff options
Diffstat (limited to 'src/vendorcode/amd/agesa/f10/Proc/Recovery/Mem/mru.asm')
| -rwxr-xr-x | src/vendorcode/amd/agesa/f10/Proc/Recovery/Mem/mru.asm | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f10/Proc/Recovery/Mem/mru.asm b/src/vendorcode/amd/agesa/f10/Proc/Recovery/Mem/mru.asm new file mode 100755 index 0000000000..725bd94261 --- /dev/null +++ b/src/vendorcode/amd/agesa/f10/Proc/Recovery/Mem/mru.asm @@ -0,0 +1,187 @@ +;***************************************************************************** +; AMD Generic Encapsulated Software Architecture +; +; $Workfile:: mu.asm $ $Revision:: 443#$ $Date: 2010-12-22 01:24:58 -0700 (Wed, 22 Dec 2010) $ +; Description: Main memory controller system configuration for AGESA DDR 2 +; +; +;***************************************************************************** +; +; Copyright (c) 2011, Advanced Micro Devices, Inc. +; All rights reserved. +; +; Redistribution and use in source and binary forms, with or without +; modification, are permitted provided that the following conditions are met: +; * Redistributions of source code must retain the above copyright +; notice, this list of conditions and the following disclaimer. +; * Redistributions in binary form must reproduce the above copyright +; notice, this list of conditions and the following disclaimer in the +; documentation and/or other materials provided with the distribution. +; * Neither the name of Advanced Micro Devices, Inc. nor the names of +; its contributors may be used to endorse or promote products derived +; from this software without specific prior written permission. +; +; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND +; ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED +; WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE +; DISCLAIMED. IN NO EVENT SHALL ADVANCED MICRO DEVICES, INC. BE LIABLE FOR ANY +; DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES +; (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; +; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND +; ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +; (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS +; SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +; +;***************************************************************************** +;============================================================================ + + + .XLIST + .LIST + .686p + .MODEL FLAT + .CODE + ASSUME FS: NOTHING + + +; Define the calling convention used for the C library modules +;@attention - This should be in a central include file +CALLCONV EQU NEAR C + + +;=============================================================================== +;MemRecUOutPort: +; +; Do a 32 Bit IO Out operation using edx. +; NOTE: This function will be obsolete in the future. +; +; In: Port - port number +; Value - value to be written to port +; +; Out: +; +;All registers preserved except for "Out:" +;=============================================================================== +MemRecUOutPort PROC CALLCONV PUBLIC Port:DWORD, Value:DWORD + pushad + mov edx,Port + mov eax,Value + out dx,al + popad + ret +MemRecUOutPort ENDP + + + +;---------------------------------------------------------------------------- +; _MFENCE(); +; +_MFENCE macro + db 0Fh,0AEh,0F0h + endm + +;---------------------------------------------------------------------------- +; _EXECFENCE(); +; +_EXECFENCE macro + out 0EDh,al ;prevent speculative execution of following instructions + endm + +;=============================================================================== +;MemRecUWrite1CL: +; +; Write data from buffer to a system address +; +; In: Address - System address to read from +; Pattern - pointer pattern. +; +; Out: +; +;All registers preserved except for "Out:" +;=============================================================================== +MemRecUWrite1CL PROC CALLCONV PUBLIC Address:DWORD, Pattern:NEAR PTR DWORD + pushad + push ds + + mov eax,Address + push ss + pop ds + xor edx,edx + mov edx, DWORD PTR Pattern + mov esi,edx + mov edx,16 + _EXECFENCE + mov ecx,4 + @@: + db 66h,0Fh,6Fh,06 ;MOVDQA xmm0,[esi] + db 64h,66h,0Fh,0E7h,00 ;MOVNTDQ fs:[eax],xmm0 (xmm0 is 128 bits) + add eax,edx + add esi,edx + loop @B + + pop ds + popad + ret +MemRecUWrite1CL ENDP + +;=============================================================================== +;MemRecURead1CL: +; +; Read one cacheline to buffer +; +; In: Buffer - pointer buffer. +; : Address - System address to read from +; +; Out: +; +;All registers preserved except for "Out:" +;=============================================================================== +MemRecURead1CL PROC CALLCONV PUBLIC Buffer:NEAR PTR DWORD, Address:DWORD + + pushad + + mov esi,Address + xor edx,edx + mov edx,DWORD PTR Buffer + mov edi,edx + mov ecx,64 + @@: + mov al,fs:[esi] + mov ss:[edi],al + inc esi + inc edi + loop @B + + popad + ret +MemRecURead1CL ENDP + + +;=============================================================================== +;MemRecUFlushPattern: +; +; Flush one cache line +; +; In: Address - System address [31:0] +; Out: +; +;All registers preserved except for "Out:" +;=============================================================================== +MemRecUFlushPattern PROC CALLCONV PUBLIC Address:DWORD + pushad + mov eax,Address + _EXECFENCE + ;clflush fs:[eax] + db 064h ;access relative to FS BASE prefix + db 00Fh ;opcode + db 0AEh ;opcode + db 038h ;eax indirect addressing + _MFENCE + popad + ret +MemRecUFlushPattern ENDP + + + + END + |