| 14,7 → 14,7 |
|---|
| DRV_VERSION equ (DRV_COMPAT shl 16) or DRV_CURRENT |
| |
| align 4 |
| proc attach_int_handler stdcall, irq:dword, handler:dword |
| proc attach_int_handler stdcall, irq:dword, handler:dword, access_rights:dword |
| |
| mov ebx, [irq] ;irq num |
| test ebx, ebx |
| 25,13 → 25,23 |
|---|
| test eax, eax |
| jz .err |
| cmp [irq_owner + 4 * ebx], 0 |
| jne .err |
| je @f |
| |
| mov ecx, [irq_rights + 4 * ebx] ; Rights : 0 - full access, 1 - read only, 2 - forbidden |
| test ecx, ecx |
| jnz .err |
| |
| @@: |
| mov [irq_tab+ebx*4], eax |
| |
| mov eax, [access_rights] |
| mov [irq_rights + 4 * ebx], eax |
| ;push eax |
| ;mov eax, [TASK_BASE] |
| ;mov eax, [eax + TASKDATA.pid] |
| mov [irq_owner + 4 * ebx], 1 |
| ;mov eax, [eax + TASKDATA.pid] ; faster or smaller? :) |
| call get_pid |
| |
| mov [irq_owner + 4 * ebx], eax |
| ;pop eax |
| |
| stdcall enable_irq, [irq] |
| 41,6 → 51,28 |
|---|
| ret |
| endp |
| |
| uglobal |
| |
| irq_rights rd 16 |
| |
| endg |
| |
| proc get_int_handler stdcall, irq:dword |
| |
| mov eax, [irq] |
| |
| cmp [irq_rights + 4 * eax], dword 1 |
| ja .err |
| |
| mov eax, [irq_tab + 4 * eax] |
| ret |
| |
| .err: |
| xor eax, eax |
| ret |
| |
| endp |
| |
| align 4 |
| proc detach_int_handler |
| |