| 62,20 → 62,20 |
|---|
| /* Hardware based types (Self explanatory) */ |
| |
| typedef struct gate { |
| WORD offset_lo __attribute__ ((packed)); |
| WORD sel __attribute__ ((packed)); |
| BYTE dword_cnt __attribute__ ((packed)); |
| BYTE access __attribute__ ((packed)); |
| WORD offset_hi __attribute__ ((packed)); |
| WORD offset_lo; |
| WORD sel; |
| BYTE dword_cnt; |
| BYTE access; |
| WORD offset_hi; |
| } GATE; |
| |
| typedef struct descriptor { |
| WORD lim_lo __attribute__ ((packed)); |
| WORD base_lo __attribute__ ((packed)); |
| BYTE base_med __attribute__ ((packed)); |
| BYTE access __attribute__ ((packed)); |
| BYTE gran __attribute__ ((packed)); |
| BYTE base_hi __attribute__ ((packed)); |
| WORD lim_lo; |
| WORD base_lo; |
| BYTE base_med; |
| BYTE access; |
| BYTE gran; |
| BYTE base_hi; |
| } DESCRIPTOR; |
| |
| /* A LDT/GDT entry could be a gate or a selector */ |
| 82,8 → 82,8 |
|---|
| /* An IDT entry could be a gate only */ |
| |
| union gdt_entry { |
| DESCRIPTOR d __attribute__ ((packed)); |
| GATE g __attribute__ ((packed)); |
| DESCRIPTOR d; |
| GATE g; |
| }; |
| |
| struct registers { |
| 161,46 → 161,46 |
|---|
| |
| |
| typedef struct tss { |
| WORD back_link __attribute__ ((packed)); |
| WORD _fill0 __attribute__ ((packed)); |
| DWORD esp0 __attribute__ ((packed)); |
| WORD ss0 __attribute__ ((packed)); |
| WORD _fill1 __attribute__ ((packed)); |
| DWORD esp1 __attribute__ ((packed)); |
| WORD ss1 __attribute__ ((packed)); |
| WORD _fill2 __attribute__ ((packed)); |
| DWORD esp2 __attribute__ ((packed)); |
| WORD ss2 __attribute__ ((packed)); |
| WORD _fill3 __attribute__ ((packed)); |
| DWORD cr3 __attribute__ ((packed)); |
| DWORD eip __attribute__ ((packed)); |
| DWORD eflags __attribute__ ((packed)); |
| DWORD eax __attribute__ ((packed)); |
| DWORD ecx __attribute__ ((packed)); |
| DWORD edx __attribute__ ((packed)); |
| DWORD ebx __attribute__ ((packed)); |
| DWORD esp __attribute__ ((packed)); |
| DWORD ebp __attribute__ ((packed)); |
| DWORD esi __attribute__ ((packed)); |
| DWORD edi __attribute__ ((packed)); |
| WORD es __attribute__ ((packed)); |
| WORD _fill5 __attribute__ ((packed)); |
| WORD cs __attribute__ ((packed)); |
| WORD _fill6 __attribute__ ((packed)); |
| WORD ss __attribute__ ((packed)); |
| WORD _fill7 __attribute__ ((packed)); |
| WORD ds __attribute__ ((packed)); |
| WORD _fill8 __attribute__ ((packed)); |
| WORD fs __attribute__ ((packed)); |
| WORD _fill9 __attribute__ ((packed)); |
| WORD gs __attribute__ ((packed)); |
| WORD _fill10 __attribute__ ((packed)); |
| WORD ldt __attribute__ ((packed)); |
| WORD _fill11 __attribute__ ((packed)); |
| WORD trap __attribute__ ((packed)); |
| WORD io_base __attribute__ ((packed)); |
| DWORD control __attribute__ ((packed)); |
| BYTE ctx_FPU[FPU_CONTEXT_SIZE] __attribute__ ((packed)); |
| WORD back_link; |
| WORD _fill0; |
| DWORD esp0; |
| WORD ss0; |
| WORD _fill1; |
| DWORD esp1; |
| WORD ss1; |
| WORD _fill2; |
| DWORD esp2; |
| WORD ss2; |
| WORD _fill3; |
| DWORD cr3; |
| DWORD eip; |
| DWORD eflags; |
| DWORD eax; |
| DWORD ecx; |
| DWORD edx; |
| DWORD ebx; |
| DWORD esp; |
| DWORD ebp; |
| DWORD esi; |
| DWORD edi; |
| WORD es; |
| WORD _fill5; |
| WORD cs; |
| WORD _fill6; |
| WORD ss; |
| WORD _fill7; |
| WORD ds; |
| WORD _fill8; |
| WORD fs; |
| WORD _fill9; |
| WORD gs; |
| WORD _fill10; |
| WORD ldt; |
| WORD _fill11; |
| WORD trap; |
| WORD io_base; |
| DWORD control; |
| BYTE ctx_FPU[FPU_CONTEXT_SIZE]; |
| } TSS; |
| |
| /* Irq services specifications */ |