X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=IntelFspPkg%2FFspSecCore%2FIa32%2FResetVec.asm16;fp=IntelFspPkg%2FFspSecCore%2FIa32%2FResetVec.asm16;h=f77c9a46ddc29759f1345f2c39f9e2b561f5eece;hb=c8ec22a266cdd134ac99c3021003710130613a40;hp=0000000000000000000000000000000000000000;hpb=0d807dae4adf222ee0c1b3abe504c9a271a46062;p=mirror_edk2.git diff --git a/IntelFspPkg/FspSecCore/Ia32/ResetVec.asm16 b/IntelFspPkg/FspSecCore/Ia32/ResetVec.asm16 new file mode 100644 index 0000000000..f77c9a46dd --- /dev/null +++ b/IntelFspPkg/FspSecCore/Ia32/ResetVec.asm16 @@ -0,0 +1,103 @@ +;------------------------------------------------------------------------------ +; +; Copyright (c) 2014, 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. +; +; Abstract: +; +; Reset Vector Data structure +; This structure is located at 0xFFFFFFC0 +; +;------------------------------------------------------------------------------ + + .model tiny + .686p + .stack 0h + .code + +; +; The layout of this file is fixed. The build tool makes assumption of the layout. +; + + ORG 0h +; +; Reserved +; +ReservedData DD 0eeeeeeeeh, 0eeeeeeeeh + + ORG 10h +; +; This is located at 0xFFFFFFD0h +; + mov di, "AP" + jmp ApStartup + + ORG 20h +; +; Pointer to the entry point of the PEI core +; It is located at 0xFFFFFFE0, and is fixed up by some build tool +; So if the value 8..1 appears in the final FD image, tool failure occurs. +; +PeiCoreEntryPoint DD 12345678h + +; +; This is the handler for all kinds of exceptions. Since it's for debugging +; purpose only, nothing except a deadloop would be done here. Developers could +; analyze the cause of the exception if a debugger had been attached. +; +InterruptHandler PROC + jmp $ + iret +InterruptHandler ENDP + + ORG 30h +; +; For IA32, the reset vector must be at 0xFFFFFFF0, i.e., 4G-16 byte +; Execution starts here upon power-on/platform-reset. +; +ResetHandler: + nop + nop + +ApStartup: + ; + ; Jmp Rel16 instruction + ; Use machine code directly in case of the assembler optimization + ; SEC entry point relatvie address will be fixed up by some build tool. + ; + ; Typically, SEC entry point is the function _ModuleEntryPoint() defined in + ; SecEntry.asm + ; + DB 0e9h + DW -3 + + + ORG 38h +; +; Ap reset vector segment address is at 0xFFFFFFF8 +; This will be fixed up by some build tool, +; so if the value 1..8 appears in the final FD image, +; tool failure occurs +; +ApSegAddress dd 12345678h + + ORG 3ch +; +; BFV Base is at 0xFFFFFFFC +; This will be fixed up by some build tool, +; so if the value 1..8 appears in the final FD image, +; tool failure occurs. +; +BfvBase DD 12345678h + +; +; Nothing can go here, otherwise the layout of this file would change. +; + + END