mirror of
https://github.com/acidanthera/audk.git
synced 2025-07-17 18:54:26 +02:00
b26f0cf9ee
https://bugzilla.tianocore.org/show_bug.cgi?id=1373 Replace BSD 2-Clause License with BSD+Patent License. This change is based on the following emails: https://lists.01.org/pipermail/edk2-devel/2019-February/036260.html https://lists.01.org/pipermail/edk2-devel/2018-October/030385.html RFCs with detailed process for the license change: V3: https://lists.01.org/pipermail/edk2-devel/2019-March/038116.html V2: https://lists.01.org/pipermail/edk2-devel/2019-March/037669.html V1: https://lists.01.org/pipermail/edk2-devel/2019-March/037500.html Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Michael D Kinney <michael.d.kinney@intel.com> Reviewed-by: Laszlo Ersek <lersek@redhat.com>
70 lines
2.5 KiB
NASM
70 lines
2.5 KiB
NASM
;------------------------------------------------------------------------------
|
|
;*
|
|
;* Copyright (c) 2006 - 2013, Intel Corporation. All rights reserved.<BR>
|
|
;* SPDX-License-Identifier: BSD-2-Clause-Patent
|
|
;*
|
|
;* CpuAsm.asm
|
|
;*
|
|
;* Abstract:
|
|
;*
|
|
;------------------------------------------------------------------------------
|
|
|
|
#include <Base.h>
|
|
|
|
DEFAULT REL
|
|
SECTION .text
|
|
|
|
extern ASM_PFX(SecCoreStartupWithStack)
|
|
|
|
;
|
|
; SecCore Entry Point
|
|
;
|
|
; Processor is in flat protected mode
|
|
;
|
|
; @param[in] RAX Initial value of the EAX register (BIST: Built-in Self Test)
|
|
; @param[in] DI 'BP': boot-strap processor, or 'AP': application processor
|
|
; @param[in] RBP Pointer to the start of the Boot Firmware Volume
|
|
; @param[in] DS Selector allowing flat access to all addresses
|
|
; @param[in] ES Selector allowing flat access to all addresses
|
|
; @param[in] FS Selector allowing flat access to all addresses
|
|
; @param[in] GS Selector allowing flat access to all addresses
|
|
; @param[in] SS Selector allowing flat access to all addresses
|
|
;
|
|
; @return None This routine does not return
|
|
;
|
|
global ASM_PFX(_ModuleEntryPoint)
|
|
ASM_PFX(_ModuleEntryPoint):
|
|
|
|
;
|
|
; Fill the temporary RAM with the initial stack value.
|
|
; The loop below will seed the heap as well, but that's harmless.
|
|
;
|
|
mov rax, (FixedPcdGet32 (PcdInitValueInTempStack) << 32) | FixedPcdGet32 (PcdInitValueInTempStack)
|
|
; qword to store
|
|
mov rdi, FixedPcdGet32 (PcdOvmfSecPeiTempRamBase) ; base address,
|
|
; relative to
|
|
; ES
|
|
mov rcx, FixedPcdGet32 (PcdOvmfSecPeiTempRamSize) / 8 ; qword count
|
|
cld ; store from base
|
|
; up
|
|
rep stosq
|
|
|
|
;
|
|
; Load temporary RAM stack based on PCDs
|
|
;
|
|
%define SEC_TOP_OF_STACK (FixedPcdGet32 (PcdOvmfSecPeiTempRamBase) + \
|
|
FixedPcdGet32 (PcdOvmfSecPeiTempRamSize))
|
|
mov rsp, SEC_TOP_OF_STACK
|
|
nop
|
|
|
|
;
|
|
; Setup parameters and call SecCoreStartupWithStack
|
|
; rcx: BootFirmwareVolumePtr
|
|
; rdx: TopOfCurrentStack
|
|
;
|
|
mov rcx, rbp
|
|
mov rdx, rsp
|
|
sub rsp, 0x20
|
|
call ASM_PFX(SecCoreStartupWithStack)
|
|
|