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clenup

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This commit is contained in:
assada 2024-05-21 12:23:43 +03:00
parent 5a371e3a03
commit ebbbd92e36
Signed by: assada
GPG Key ID: D4860A938E541F06
3 changed files with 13 additions and 14 deletions
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13
boot.s
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@ -12,13 +12,14 @@
.section .bss
.align 16
stack_bottom:
.skip 1024 * 32 # 32 KB
stack_top:
.section .text
.global _start
.type _start, @function
stack_bottom:
.skip 1024 * 32 # 32 KB
stack_top:
.section .text
.global _start
.type _start, @function
_start:
cli
mov $stack_top, %esp

2
gdt.c
View File

@ -25,5 +25,5 @@ void gdt_install() {
gdt_set_gate(1, 0, 0xFFFFFFFF, 0x9A, 0xCF); // Code segment
gdt_set_gate(2, 0, 0xFFFFFFFF, 0x92, 0xCF); // Data segment
gdt_flush((uint32_t)&gdtp); //TODO: KERNEL PANIC
gdt_flush((uint32_t)&gdtp);
}

12
kernel.c
View File

@ -22,8 +22,8 @@ struct idt_entry idt[IDT_ENTRIES];
struct idt_ptr idtp;
extern void idt_load();
extern void isr_handler();
extern void irq_handler();
//extern void isr_handler();
//extern void irq_handler();
extern void pit_handler_asm();
static inline void outb(uint16_t port, uint8_t val) {
@ -202,7 +202,7 @@ uint8_t vga_color_from_char(char color_code) {
case 'b': return VGA_COLOR_LIGHT_CYAN;
case 'c': return VGA_COLOR_LIGHT_RED;
case 'd': return VGA_COLOR_LIGHT_MAGENTA;
case 'e': return VGA_COLOR_LIGHT_BROWN;
case 'e': return VGA_COLOR_LIGHT_BROWN; //LOL its actually yellow
case 'f': return VGA_COLOR_WHITE;
default: return VGA_COLOR_LIGHT_GREY;
}
@ -231,8 +231,6 @@ void pit_set_frequency(uint32_t frequency) {
outb(PIT_CHANNEL_0, (divisor >> 8) & 0xFF);
}
void kernel_main(void) {
terminal_initialize();
gdt_install();
@ -241,9 +239,9 @@ void kernel_main(void) {
pit_set_frequency(1000);
idt_set_gate(32, (uint32_t)pit_handler_asm, 0x08, 0x8E);
asm volatile("sti");
terminal_writestring_with_colors("Hello, kernel World!\n&5Magenta String Example\nThis is a &4red string&7.\n");
terminal_writestring_with_colors("Hello, &ekernel &7World!\n&5Magenta String Example\nThis is a &4red string&7.\n");
for (int i = 0; i < 30; i++) {
terminal_writestring_with_colors("Line ");
terminal_writestring_with_colors("&cDead &7");
terminal_putchar('0' + (i / 10));
terminal_putchar('0' + (i % 10));
terminal_writestring_with_colors("\n");