nortega/colonel
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Entry for TSS created.

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Nicolás Ortega Froysa 2018-04-05 10:01:51 +02:00
parent 9e2eb539a6
commit d46ee029ad
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GPG Key ID: FEC70E3BAE2E69BF
1 changed files with 3 additions and 2 deletions
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5
src/kernel/arch/x86/gdt.c
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@ -28,6 +28,7 @@
#define GDT_SIZE 6 #define GDT_SIZE 6
struct segdesc gdt[GDT_SIZE]; struct segdesc gdt[GDT_SIZE];
struct tss tss;
struct segreg gdtr; struct segreg gdtr;
void gdt_entry_set(struct segdesc *entry, uint32_t base, void gdt_entry_set(struct segdesc *entry, uint32_t base,
@ -58,8 +59,8 @@ void gdt_install() {
gdt_entry_set(&gdt[3], 0, 0xFFFFFFFF, 0xFA, 0xCF); gdt_entry_set(&gdt[3], 0, 0xFFFFFFFF, 0xFA, 0xCF);
gdt_entry_set(&gdt[4], 0, 0xFFFFFFFF, 0xF2, 0xCF); gdt_entry_set(&gdt[4], 0, 0xFFFFFFFF, 0xF2, 0xCF);
// TSS // TSS
// TODO: create a proper TSS gdt_entry_set(&gdt[5], (uint32_t)&tss,
gdt_entry_set(&gdt[5], 0, 0, 0x91, 0x40); sizeof(tss), 0x89, 0x40);
gdt_flush(&gdtr); gdt_flush(&gdtr);
} }