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Diffstat (limited to 'src/vendorcode/amd/agesa/f16kb/Proc/CPU/cahalt64.asm')
| -rw-r--r-- | src/vendorcode/amd/agesa/f16kb/Proc/CPU/cahalt64.asm | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f16kb/Proc/CPU/cahalt64.asm b/src/vendorcode/amd/agesa/f16kb/Proc/CPU/cahalt64.asm new file mode 100644 index 0000000000..f7a8e3ed2d --- /dev/null +++ b/src/vendorcode/amd/agesa/f16kb/Proc/CPU/cahalt64.asm @@ -0,0 +1,173 @@ +;/** +; * @file +; * +; * Agesa pre-memory miscellaneous support, including ap halt loop. +; * +; * @xrefitem bom "File Content Label" "Release Content" +; * @e project: AGESA +; * @e sub-project: CPU +; * @e \$Revision: 84150 $ @e \$Date: 2012-12-12 15:46:25 -0600 (Wed, 12 Dec 2012) $ +; */ +;***************************************************************************** +; + * Copyright (c) 2008 - 2013, 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. +;***************************************************************************** + + text SEGMENT + + +;====================================================================== +; ExecuteFinalHltInstruction: Performs a hlt instruction. +; +; In: +; None +; +; Out: +; None +; +; Destroyed: +; eax, ebx, ecx, edx, esp +; +;====================================================================== +ExecuteFinalHltInstruction PROC PUBLIC +@@: + cli + hlt + jmp @B ;ExecuteHltInstruction +ExecuteFinalHltInstruction ENDP + +;====================================================================== +; ExecuteHltInstruction: Performs a hlt instruction. +; +; In: +; None +; +; Out: +; None +; +; Destroyed: +; eax, ebx, ecx, edx, esp +; +;====================================================================== +ExecuteHltInstruction PROC PUBLIC + cli + hlt + ret +ExecuteHltInstruction ENDP + +;====================================================================== +; NmiHandler: Simply performs an IRET. +; +; In: +; None +; +; Out: +; None +; +; Destroyed: +; None +; +;====================================================================== +NmiHandler PROC PUBLIC + iretq +NmiHandler ENDP + +;====================================================================== +; GetCsSelector: Returns the current protected mode CS selector. +; +; In: +; None +; +; Out: +; None +; +; Destroyed: +; None +; +;====================================================================== +GetCsSelector PROC PUBLIC + ; This stub function is here to avoid compilation errors. + ; At this time, there is no need to provide a 64 bit function. + ret +GetCsSelector ENDP + +;====================================================================== +; SetIdtr: +; +; In: +; @param[in] IdtPtr Points to IDT table +; +; Out: +; None +; +; Destroyed: +; none +; +;====================================================================== +SetIdtr PROC PUBLIC + ; This stub function is here to avoid compilation errors. + ; At this time, there is no need to provide a 64 bit function. + ret +SetIdtr ENDP + +;====================================================================== +; GetIdtr: +; +; In: +; @param[in] IdtPtr Points to IDT table +; +; Out: +; None +; +; Destroyed: +; none +; +;====================================================================== +GetIdtr PROC PUBLIC + ; This stub function is here to avoid compilation errors. + ; At this time, there is no need to provide a 64 bit function. + ret +GetIdtr ENDP + +;====================================================================== +; ExecuteWbinvdInstruction: Performs a wbinvd instruction. +; +; In: +; None +; +; Out: +; None +; +; Destroyed: +; None +; +;====================================================================== +ExecuteWbinvdInstruction PROC PUBLIC + wbinvd ; Write back the cache tag RAMs + ret +ExecuteWbinvdInstruction ENDP + +END |