coreboot-mirror
/
STM
mirror of https://review.coreboot.org/STM.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

Make sure code supports both MS and SYS V ABI 

Signed-off-by: Eugene D. Myers <edmyers@tycho.nsa.gov>
This commit is contained in:
Eugene D. Myers 2020-10-15 12:23:52 -04:00
parent 2a3fd2f610
commit 92d9641727
1 changed files with 121 additions and 122 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

243
Stm/StmPkg/Core/Init/x64/AsmStmInit.s
View File

@ -1,122 +1,121 @@
#------------------------------------------------------------------------------
#
# Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>
# 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.
#
# Module Name:
#
# AsmStmInit.s
#
#------------------------------------------------------------------------------
ASM_GLOBAL ASM_PFX(InitializeSmmMonitor)
ASM_GLOBAL ASM_PFX(_ModuleEntryPoint)
.equ STM_API_START, 0x00010001
.equ STM_API_INITIALIZE_PROTECTION, 0x00010007
.equ STM_STACK_SIZE, 0x8000
#------------------------------------------------------------------------------
# VOID
# AsmInitializeSmmMonitor (
# VOID
# )
ASM_PFX(_ModuleEntryPoint):
cmpl $STM_API_INITIALIZE_PROTECTION, %eax # for BSP
jz GoBsp
cmpl $STM_API_START, %eax # for AP
jz GoAp
jmp DeadLoop
GoBsp:
# Assume ThisOffset is 0
# ESP is pointer to stack bottom, NOT top
movl $STM_STACK_SIZE, %eax # eax = STM_STACK_SIZE,
lock xaddl %eax, (%esp) # eax = ThisOffset, ThisOffset += STM_STACK_SIZE (LOCK instruction)
addl $STM_STACK_SIZE, %eax # eax = ThisOffset + STM_STACK_SIZE
addl %eax, %esp # esp += ThisOffset + STM_STACK_SIZE
#
# Jump to C code
#
push %r15
push %r14
push %r13
push %r12
push %r11
push %r10
push %r9
push %r8
push %rdi
push %rsi
push %rbp
push %rbp # should be rsp
push %rbx
push %rdx
push %rcx
movl $STM_API_INITIALIZE_PROTECTION, %eax
push %rax
movq %rsp, %rcx # parameter for MSC
movq %rsp, %rdi # parameter for GCC
subq $0x20, %rsp
call ASM_PFX(InitializeSmmMonitor)
addq $0x20, %rsp
# should never get here
jmp DeadLoop
GoAp:
#
# assign unique ESP for each processor
#
# |------------|<-ESP (PerProc)
# | Reg |
# |------------|
# | Stack |
# |------------|
# | ThisOffset |
# +------------+<-ESP (Common)
# | Heap |
# Assume ThisOffset is 0
# ESP is pointer to stack bottom, NOT top
movl $STM_STACK_SIZE, %eax # eax = STM_STACK_SIZE,
lock xaddl %eax, (%esp) # eax = ThisOffset, ThisOffset += STM_STACK_SIZE (LOCK instruction)
addl $STM_STACK_SIZE, %eax # eax = ThisOffset + STM_STACK_SIZE
addl %eax, %esp # esp += ThisOffset + STM_STACK_SIZE
#
# Jump to C code
#
push %r15
push %r14
push %r13
push %r12
push %r11
push %r10
push %r9
push %r8
push %rdi
push %rsi
push %rbp
push %rbp # should be rsp
push %rbx
push %rdx
push %rcx
movl $STM_API_START, %eax
push %rax
movq %rsp, %rcx # parameter for MSC
movq %rsp, %rdi # parameter for GCC
subq $0x20, %rsp
call ASM_PFX(InitializeSmmMonitor)
addq $0x20, %rsp
# should never get here
DeadLoop:
jmp .
#------------------------------------------------------------------------------
#
# Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>
# 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.
#
# Module Name:
#
# AsmStmInit.s
#
#------------------------------------------------------------------------------
ASM_GLOBAL ASM_PFX(InitializeSmmMonitor)
ASM_GLOBAL ASM_PFX(_ModuleEntryPoint)
.equ STM_API_START, 0x00010001
.equ STM_API_INITIALIZE_PROTECTION, 0x00010007
.equ STM_STACK_SIZE, 0x8000
#------------------------------------------------------------------------------
# VOID
# AsmInitializeSmmMonitor (
# VOID
# )
ASM_PFX(_ModuleEntryPoint):
cmpl $STM_API_INITIALIZE_PROTECTION, %eax # for BSP
jz GoBsp
cmpl $STM_API_START, %eax # for AP
jz GoAp
jmp DeadLoop
GoBsp:
# Assume ThisOffset is 0
# ESP is pointer to stack bottom, NOT top
movl $STM_STACK_SIZE, %eax # eax = STM_STACK_SIZE,
lock xaddl %eax, (%esp) # eax = ThisOffset, ThisOffset += STM_STACK_SIZE (LOCK instruction)
addl $STM_STACK_SIZE, %eax # eax = ThisOffset + STM_STACK_SIZE
addl %eax, %esp # esp += ThisOffset + STM_STACK_SIZE
#
# Jump to C code
#
push %r15
push %r14
push %r13
push %r12
push %r11
push %r10
push %r9
push %r8
push %rdi
push %rsi
push %rbp
push %rbp # should be rsp
push %rbx
push %rdx
push %rcx
movl $STM_API_INITIALIZE_PROTECTION, %eax
push %rax
movq %rsp, %rcx # parameter for MSC
movq %rsp, %rdi # parameter for GCC
subq $0x20, %rsp
call ASM_PFX(InitializeSmmMonitor)
addq $0x20, %rsp
# should never get here
jmp DeadLoop
GoAp:
#
# assign unique ESP for each processor
#
# |------------|<-ESP (PerProc)
# | Reg |
# |------------|
# | Stack |
# |------------|
# | ThisOffset |
# +------------+<-ESP (Common)
# | Heap |
# Assume ThisOffset is 0
# ESP is pointer to stack bottom, NOT top
movl $STM_STACK_SIZE, %eax # eax = STM_STACK_SIZE,
lock xaddl %eax, (%esp) # eax = ThisOffset, ThisOffset += STM_STACK_SIZE (LOCK instruction)
addl $STM_STACK_SIZE, %eax # eax = ThisOffset + STM_STACK_SIZE
addl %eax, %esp # esp += ThisOffset + STM_STACK_SIZE
#
# Jump to C code
#
push %r15
push %r14
push %r13
push %r12
push %r11
push %r10
push %r9
push %r8
push %rdi
push %rsi
push %rbp
push %rbp # should be rsp
push %rbx
push %rdx
push %rcx
movl $STM_API_START, %eax
push %rax
movq %rsp, %rcx # parameter for MSC
movq %rsp, %rdi # parameter for GCC
subq $0x20, %rsp
call ASM_PFX(InitializeSmmMonitor)
addq $0x20, %rsp
# should never get here
DeadLoop:
jmp .