| 16,7 → 16,7 |
|---|
| align 32 |
| irq0: |
| pushad |
| mov ax, app_data ; |
| mov ax, sel_app_data |
| mov ds, ax |
| mov es, ax |
| |
| 31,7 → 31,7 |
|---|
| mov [next_usage_update],eax |
| call updatecputimes |
| .nocounter: |
| cmp [DONT_SWITCH], byte 1 |
| cmp [dont_switch], 1 |
| jne .change_task |
| |
| mov al,0x20 ; send End Of Interrupt signal |
| 38,7 → 38,7 |
|---|
| mov dx,0x20 |
| out dx,al |
| |
| mov [DONT_SWITCH], byte 0 |
| mov [dont_switch], 0 |
| |
| popad |
| iretd |
| 95,7 → 95,7 |
|---|
| test eax, eax ; the same task -> skip switch |
| jnz .return |
| @@: |
| mov [DONT_SWITCH],byte 1 |
| mov [dont_switch], 1 |
| call do_change_task |
| |
| .return: |
| 225,7 → 225,7 |
|---|
| @@: |
| mov eax, [ebx+APPDATA.saved_esp0] |
| mov [tss._esp0], eax |
| mov ax, graph_data |
| mov ax, sel_graph_data |
| mov gs, ax |
| |
| mov eax, [CURRENT_TASK] |