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This commit is contained in:
Jozef Nagy 2025-01-20 21:52:47 +01:00
commit 94aad4b8e1
Signed by untrusted user who does not match committer: crz
GPG key ID: 459A4811CEAC7068
77 changed files with 4414 additions and 0 deletions
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35
boot/arch/x86_64/common/cpu/gdt.c Normal file
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/*********************************************************************************/
/* Module Name: gdt.c */
/* Project: AurixOS */
/* */
/* Copyright (c) 2024-2025 Jozef Nagy */
/* */
/* This source is subject to the MIT License. */
/* See License.txt in the root of this repository. */
/* All other rights reserved. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR */
/* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, */
/* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE */
/* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER */
/* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, */
/* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE */
/* SOFTWARE. */
/*********************************************************************************/
#include <arch/cpu/gdt.h>
#include <arch/mm/paging.h>
#include <stdint.h>
void gdt_set_entry(struct gdt_descriptor *entry, uint32_t base, uint32_t limit, uint8_t access,
uint8_t flags)
{
entry->limit_low = (limit >> 8) & 0xffff;
entry->base_low = (base >> 8) & 0xffff;
entry->base_mid = (base >> 16) & 0xff;
entry->access = access;
entry->limit_high = (limit >> 16) & 0xf;
entry->flags = flags;
entry->base_high = (base >> 24) & 0xff;
}

60
boot/arch/x86_64/common/debug/serial.c Normal file
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/*********************************************************************************/
/* Module Name: serial.c */
/* Project: AurixOS */
/* */
/* Copyright (c) 2024-2025 Jozef Nagy */
/* */
/* This source is subject to the MIT License. */
/* See License.txt in the root of this repository. */
/* All other rights reserved. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR */
/* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, */
/* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE */
/* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER */
/* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, */
/* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE */
/* SOFTWARE. */
/*********************************************************************************/
#include <debug/serial.h>
#include <arch/cpu/cpu.h>
#include <stdint.h>
#define COM1 0x3f8
static int is_tx_empty(void)
{
return inb(COM1 + 5) & 0x20;
}
void serial_init(void)
{
// TODO: Initialize all COM ports
outb(COM1 + 1, 0x00);
outb(COM1 + 3, 0x80);
outb(COM1, 0x03);
outb(COM1 + 1, 0x00);
outb(COM1 + 3, 0x03);
outb(COM1 + 2, 0xC7);
outb(COM1 + 4, 0x0B);
outb(COM1 + 4, 0x0F);
}
void serial_send(char c)
{
while (is_tx_empty() == 0);
outb(COM1, c);
}
void serial_sendstr(char *s)
{
while (*s != '\0') {
if (*s == '\r') {
s++;
continue;
}
serial_send(*s++);
}
}

79
boot/arch/x86_64/stage1/boot-cd.asm Normal file
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Module Name: boot-cd.asm ;;
;; Project: AurixOS ;;
;; ;;
;; Copyright (c) 2024-2025 Jozef Nagy ;;
;; ;;
;; This source is subject to the MIT License. ;;
;; See License.txt in the root of this repository. ;;
;; All other rights reserved. ;;
;; ;;
;; THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR ;;
;; IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, ;;
;; FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE ;;
;; AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER ;;
;; LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, ;;
;; OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE ;;
;; SOFTWARE. ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
[bits 16]
[org 0x7c00]
jmp 0x0000:AxBootEntry
times 8-($-$$) db 0
bi_PrimaryVolumeDescriptor dd 0
bi_BootFileLocation dd 0
bi_BootFileLength dd 0
bi_Checksum dd 0
bi_Reserved times 40 db 0
;;
;; BIOS bootloader on x86_64 is just a placeholder
;; incase it ever becomes a thing... for now it just
;; notifies the user that you can't boot AurixOS
;; without UEFI on x86_64.
;;
%include "strings.inc"
AxBootEntry:
;;
;; Set 80x50 text mode and clear the screen
;;
mov ax, 0x03
int 0x10
xor bx, bx
mov ax, 0x1112
int 0x10
mov ah, 0
int 0x10
;;
;; Display an error message and halt
;;
mov si, sErrorUnbootable
call PrintString
mov si, sPressToReboot
call PrintString
jmp AxBootHalt
PrintString:
lodsb
or al, al
jz .done
mov ah, 0x0e
mov bx, 0x0007
int 0x10
jmp PrintString
.done:
ret
AxBootHalt:
hlt
jmp AxBootHalt
times 510-($-$$) db 0
dw 0xaa55

71
boot/arch/x86_64/stage1/boot-hdd.asm Normal file
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Module Name: boot-hdd.asm ;;
;; Project: AurixOS ;;
;; ;;
;; Copyright (c) 2024-2025 Jozef Nagy ;;
;; ;;
;; This source is subject to the MIT License. ;;
;; See License.txt in the root of this repository. ;;
;; All other rights reserved. ;;
;; ;;
;; THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR ;;
;; IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, ;;
;; FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE ;;
;; AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER ;;
;; LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, ;;
;; OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE ;;
;; SOFTWARE. ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
[bits 16]
[org 0x7c00]
jmp 0x0000:AxBootEntry
;;
;; BIOS bootloader on x86_64 is just a placeholder
;; incase it ever becomes a thing... for now it just
;; notifies the user that you can't boot AurixOS
;; without UEFI on x86_64.
;;
%include "strings.inc"
AxBootEntry:
;;
;; Set 80x50 text mode and clear the screen
;;
mov ax, 0x03
int 0x10
xor bx, bx
mov ax, 0x1112
int 0x10
mov ah, 0
int 0x10
;;
;; Display an error message and halt
;;
mov si, sErrorUnbootable
call PrintString
mov si, sPressToReboot
call PrintString
jmp AxBootHalt
PrintString:
lodsb
or al, al
jz .done
mov ah, 0x0e
mov bx, 0x0007
int 0x10
jmp PrintString
.done:
ret
AxBootHalt:
hlt
jmp AxBootHalt
times 510-($-$$) db 0
dw 0xaa55

21
boot/arch/x86_64/stage1/strings.inc Normal file
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Module Name: strings.inc ;;
;; Project: AurixOS ;;
;; ;;
;; Copyright (c) 2024-2025 Jozef Nagy ;;
;; ;;
;; This source is subject to the MIT License. ;;
;; See License.txt in the root of this repository. ;;
;; All other rights reserved. ;;
;; ;;
;; THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR ;;
;; IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, ;;
;; FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE ;;
;; AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER ;;
;; LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, ;;
;; OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE ;;
;; SOFTWARE. ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
sErrorUnbootable: db 0x0d, 0x0a, 0x0d, 0x0a, "Error: AurixOS can only be booted via UEFI on x86_64!", 0x0d, 0x0a, 0
sPressToReboot: db "Press Ctrl+Alt+Del to reboot", 0

0
boot/arch/x86_64/uefi/.gitkeep Normal file
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