68 lines
1.7 KiB
ArmAsm
68 lines
1.7 KiB
ArmAsm
/*******************************************************************************
|
|
|
|
Copyright(C) Jonas 'Sortie' Termansen 2011.
|
|
|
|
This file is part of Sortix.
|
|
|
|
Sortix 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.
|
|
|
|
Sortix 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
|
|
Sortix. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
x64/base.s
|
|
Bootstraps the kernel and passes over control from the boot-loader to the
|
|
kernel main function.
|
|
|
|
*******************************************************************************/
|
|
|
|
.section .text
|
|
|
|
.global beginkernel
|
|
.type beginkernel, @function
|
|
beginkernel:
|
|
movw $0x736, 0xB83E8
|
|
movw $0x734, 0xB83EA
|
|
movw $0x753, 0xB83EE
|
|
movw $0x74F, 0xB83F0
|
|
movw $0x752, 0xB83F2
|
|
movw $0x754, 0xB83F4
|
|
movw $0x749, 0xB83F6
|
|
movw $0x758, 0xB83F8
|
|
|
|
# Initialize the stack pointer.
|
|
movq $stack, %rsp
|
|
addq $65536, %rsp # 64 KiB, see kernel.cpp
|
|
|
|
# Reset EFLAGS.
|
|
# pushl $0
|
|
# popf
|
|
|
|
# Push the pointer to the Multiboot information structure.
|
|
mov %rbx, %rsi
|
|
# Push the magic value.
|
|
mov %rax, %rdi
|
|
|
|
call KernelInit
|
|
.size beginkernel, . - beginkernel
|
|
|
|
.global HaltKernel
|
|
HaltKernel:
|
|
cli
|
|
hlt
|
|
jmp HaltKernel
|
|
.size HaltKernel, . - HaltKernel
|
|
|
|
.global WaitForInterrupt
|
|
.type WaitForInterrupt, @function # void WaitForInterrupt();
|
|
WaitForInterrupt:
|
|
hlt
|
|
ret
|