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sortix--sortix/sortix/x64/base.s
Jonas 'Sortie' Termansen 9b79673dcb Initial version of Sortix.
2011-08-05 14:25:00 +02:00

72 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/>.
boot.s
Bootstraps the kernel and passes over control from the boot-loader to the
kernel main function.
******************************************************************************/
.globl beginkernel, _beginkernel
.globl start, _start
.section .text
.text 0x110000
.type _beginkernel, @function
beginkernel:
_beginkernel:
start:
_start:
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.
# TODO: This is very hacky!
movq $0x110000, %rsp
# 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
.globl HaltKernel
HaltKernel:
cli
hlt
jmp HaltKernel
.globl WaitForInterrupt
.type WaitForInterrupt, @function # void WaitForInterrupt();
WaitForInterrupt:
hlt
ret