| 5,6 → 5,10 |
|---|
| ;; ;; |
| ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
| |
| |
| IRQ_POOL_SIZE equ 48 |
| |
| |
| macro __list_add new, prev, next |
| { |
| mov [next+LHEAD.prev], new |
| 28,13 → 32,13 |
|---|
| uglobal |
| |
| align 16 |
| irqh_tab rd LHEAD.sizeof * IRQ_RESERVE / 4 |
| irqh_tab rd LHEAD.sizeof * IRQ_RESERVED / 4 |
| |
| irqh_pool rd IRQH.sizeof *48 /4 |
| irqh_pool rd IRQH.sizeof * IRQ_POOL_SIZE /4 |
| next_irqh rd 1 |
| |
| irq_active_set rd 1 |
| irq_failed rd IRQ_RESERVE |
| irq_failed rd IRQ_RESERVED |
| |
| endg |
| |
| 44,8 → 48,6 |
|---|
| .irqh dd ? |
| endl |
| |
| xchg bx, bx |
| |
| and [.irqh], 0 |
| |
| push ebx |
| 54,7 → 56,7 |
|---|
| test ebx, ebx |
| jz .err |
| |
| cmp ebx, IRQ_RESERVE |
| cmp ebx, IRQ_RESERVED |
| jae .err |
| |
| mov edx, [handler] |
| 72,9 → 74,10 |
|---|
| |
| mov eax, [ecx] |
| mov [next_irqh], eax |
| |
| mov [.irqh], ecx |
| |
| mov [irq_failed+ebx*4], 0 ;clear counter |
| |
| mov eax, [user_data] |
| mov [ecx+IRQH.handler], edx |
| mov [ecx+IRQH.data], eax |
| 81,9 → 84,8 |
|---|
| |
| lea edx, [irqh_tab+ebx*8] |
| list_add_tail ecx, edx ;clobber eax |
| stdcall enable_irq, ebx |
| |
| stdcall enable_irq, [irq] |
| |
| .fail: |
| popfd |
| .err: |
| 116,7 → 118,6 |
|---|
| endp |
| |
| |
| |
| macro irq_serv_h [num] { |
| forward |
| align 4 |
| 142,8 → 143,6 |
|---|
| .main: |
| save_ring3_context |
| |
| xchg bx, bx |
| |
| mov ebp, [esp + 32] |
| mov bx, app_data ;os_data |
| mov ds, bx |
| 212,4 → 211,15 |
|---|
| add esp, 4 |
| iret |
| |
| align 4 |
| irqD: |
| push eax |
| push ecx |
| xor eax,eax |
| out 0xf0,al |
| mov eax, 13 |
| call IRQ_EOI |
| pop ecx |
| pop eax |
| iret |
| |