diff options
Diffstat (limited to 'src/gdt.c')
| -rw-r--r-- | src/gdt.c | 13 |
1 files changed, 7 insertions, 6 deletions
@@ -24,13 +24,14 @@ extern void load_gdt(struct gdt_pointer *gdtp); struct gdt_entry gdt[3]; struct gdt_pointer gdtp; -void init_gdt_entry(size_t num, uint32_t limit, uint32_t base1, uint32_t base2, uint8_t access, uint8_t limit_flags, uint8_t base3) +void init_gdt_entry(size_t num, uint32_t limit, uint32_t base, uint8_t access, uint8_t limit_flags) { gdt[num].limit=limit; - gdt[num].base1=base1; + gdt[num].base1=(base & 0xffff); + gdt[num].base2=(base & 0xff0000) >> 16; gdt[num].access=access; gdt[num].limit_flags=limit_flags; - gdt[num].base3=base3; + gdt[num].base3=(base & 0xff000000) >> 24; } void init_gdt_table() @@ -39,11 +40,11 @@ void init_gdt_table() gdtp.offset=(uint32_t)&gdt; //null - init_gdt_entry(0,0,0,0,0,0,0); + init_gdt_entry(0,0,0,0,0); //code - init_gdt_entry(1,0xffff,0x0000,0x00,0b10011010,0b11001111,0x00); + init_gdt_entry(1,0xffffffff,0,0b10011010,0b11001111); //data - init_gdt_entry(2,0xffff,0x0000,0x00,0b10010010,0b11001111,0x00); + init_gdt_entry(2,0xffffffff,0,0b10010010,0b11001111); load_gdt(&gdtp); } |