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Broke it :)

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Tom-on
2025-03-22 18:19:26 +01:00
parent c3f8d7d8f2
commit 4f543f3fd0
4 changed files with 56 additions and 35 deletions
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kernel/src/gdt.c
+3 -1
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@@ -29,6 +29,8 @@ void tss_reload(void) {
gdt[5].access |= 0x02;
}
void tss_esp0(uint32_t esp0) { tss.esp0 = esp0; }
int gdt_init(void) {
// Null descriptor (0)
gdt[0] = GDT_DESC(0, 0, 0, 0);
@@ -47,7 +49,7 @@ int gdt_init(void) {
// TSS (40)
memset(&tss, 0, sizeof(tss));
gdt[5] = GDT_DESC(sizeof(tss) - 1, (uint32_t)&tss, 0x89, 0x00);
gdt[5] = GDT_DESC(sizeof(tss) - 1, (uint32_t)&tss, 0x89, 0x40);
tss.iopb = sizeof(struct tss_pointer);
tss.esp0 = __kernel_stack_top;
tss.ss0 = GDT_KERNEL_DATA;