159 lines
2.9 KiB
ArmAsm
159 lines
2.9 KiB
ArmAsm
/*
|
|
* GRUB -- GRand Unified Bootloader
|
|
* Copyright (C) 2006,2007,2009 Free Software Foundation, Inc.
|
|
*
|
|
* GRUB is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* GRUB is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include <grub/symbol.h>
|
|
|
|
/*
|
|
* x86_64 uses registry to pass parameters. Unfortunately, gcc and efi use
|
|
* different call conversion, so we need to do some conversion.
|
|
*
|
|
* gcc:
|
|
* %rdi, %rsi, %rdx, %rcx, %r8, %r9, 8(%rsp), 16(%rsp), ...
|
|
*
|
|
* efi:
|
|
* %rcx, %rdx, %r8, %r9, 32(%rsp), 40(%rsp), 48(%rsp), ...
|
|
*
|
|
*/
|
|
|
|
.file "efiemu.S"
|
|
.text
|
|
|
|
FUNCTION (efiemu_get_time)
|
|
push %rdi
|
|
push %rsi
|
|
mov %rcx, %rdi
|
|
mov %rdx, %rsi
|
|
call efiemu_get_time_real
|
|
pop %rsi
|
|
pop %rdi
|
|
ret
|
|
|
|
FUNCTION (efiemu_set_time)
|
|
push %rdi
|
|
push %rsi
|
|
mov %rcx, %rdi
|
|
call efiemu_set_time_real
|
|
pop %rsi
|
|
pop %rdi
|
|
ret
|
|
|
|
|
|
FUNCTION (efiemu_get_wakeup_time)
|
|
push %rdi
|
|
push %rsi
|
|
mov %rcx, %rdi
|
|
mov %rdx, %rsi
|
|
mov %r8, %rdx
|
|
call efiemu_get_wakeup_time_real
|
|
pop %rsi
|
|
pop %rdi
|
|
ret
|
|
|
|
FUNCTION (efiemu_set_wakeup_time)
|
|
push %rdi
|
|
push %rsi
|
|
mov %rcx, %rdi
|
|
mov %rdx, %rsi
|
|
call efiemu_set_wakeup_time_real
|
|
pop %rsi
|
|
pop %rdi
|
|
ret
|
|
|
|
FUNCTION (efiemu_get_variable)
|
|
push %rdi
|
|
push %rsi
|
|
mov %rcx, %rdi
|
|
mov %rdx, %rsi
|
|
mov %r8, %rdx
|
|
mov %r9, %rcx
|
|
mov 56(%rsp), %r8
|
|
call efiemu_get_variable_real
|
|
pop %rsi
|
|
pop %rdi
|
|
ret
|
|
|
|
FUNCTION (efiemu_get_next_variable_name)
|
|
push %rdi
|
|
push %rsi
|
|
mov %rcx, %rdi
|
|
mov %rdx, %rsi
|
|
mov %r8, %rdx
|
|
call efiemu_get_next_variable_name_real
|
|
pop %rsi
|
|
pop %rdi
|
|
ret
|
|
|
|
FUNCTION (efiemu_set_variable)
|
|
push %rdi
|
|
push %rsi
|
|
mov %rcx, %rdi
|
|
mov %rdx, %rsi
|
|
mov %r8, %rdx
|
|
mov %r9, %rcx
|
|
mov 56(%rsp), %r8
|
|
call efiemu_set_variable_real
|
|
pop %rsi
|
|
pop %rdi
|
|
ret
|
|
|
|
FUNCTION (efiemu_get_next_high_monotonic_count)
|
|
push %rdi
|
|
push %rsi
|
|
mov %rcx, %rdi
|
|
call efiemu_get_next_high_monotonic_count_real
|
|
pop %rsi
|
|
pop %rdi
|
|
ret
|
|
|
|
FUNCTION (efiemu_reset_system)
|
|
push %rdi
|
|
push %rsi
|
|
mov %rcx, %rdi
|
|
mov %rdx, %rsi
|
|
mov %r8, %rdx
|
|
mov %r9, %rcx
|
|
call efiemu_reset_system_real
|
|
pop %rsi
|
|
pop %rdi
|
|
ret
|
|
|
|
/* The following functions are always called in physical mode */
|
|
.section ".text-physical", "ax"
|
|
|
|
FUNCTION (efiemu_set_virtual_address_map)
|
|
push %rdi
|
|
push %rsi
|
|
mov %rcx, %rdi
|
|
mov %rdx, %rsi
|
|
mov %r8, %rdx
|
|
mov %r9, %rcx
|
|
call efiemu_set_virtual_address_map_real
|
|
pop %rsi
|
|
pop %rdi
|
|
ret
|
|
|
|
FUNCTION (efiemu_convert_pointer)
|
|
push %rdi
|
|
push %rsi
|
|
mov %rcx, %rdi
|
|
mov %rdx, %rsi
|
|
call efiemu_convert_pointer_real
|
|
pop %rsi
|
|
pop %rdi
|
|
ret
|
|
|