| 14,16 → 14,13 |
|---|
| mov ds,ax |
| mov es,ax |
| |
| ; for syscall trace function |
| call save_registers |
| |
| ; load all registers in crossed order |
| mov edi,[esp+28] ; eax |
| mov eax,[esp+16] ; ebx |
| mov ebx,[esp+24] ; ecx |
| mov ecx,[esp+20] ; edx |
| mov edx,[esp+4] ; esi |
| mov esi,[esp+0] ; edi |
| mov eax, ebx |
| mov ebx, ecx |
| mov ecx, edx |
| mov edx, esi |
| mov esi, edi |
| mov edi, [esp+28] |
| |
| ; enable interupts - a task switch or an IRQ _CAN_ interrupt i40 handler |
| sti |
| 31,35 → 28,13 |
|---|
| and edi,0xff |
| call dword [servetable+edi*4] |
| pop eax |
| cli |
| ; cli |
| |
| popad |
| pop es ds |
| iretd |
| |
| align 4 |
| save_registers: |
| mov esi, [0x3010] |
| mov eax, [esi+TASKDATA.pid] ; load PID |
| lea esi, [esp+4] |
| inc [save_syscall_count] |
| mov edi,[save_syscall_count] |
| and edi,0xF |
| shl edi,6 |
| add edi,save_syscall_data+32 |
| mov [edi-32],eax |
| mov ecx,32 / 4 |
| cld |
| rep movsd |
| ret |
| |
| uglobal |
| save_syscall_count dd 0x0 |
| endg |
| |
| ;label save_syscall_data dword at 0x5000 |
| |
| |
| iglobal |
| ;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
| ;; SYSTEM FUNCTIONS TABLE ;; |
| 127,7 → 102,7 |
|---|
| dd undefined_syscall ; 56-reserved |
| dd undefined_syscall ; 57-reserved |
| dd file_system ; 58-Common file system interface |
| dd sys_trace ; 59-System call trace |
| dd undefined_syscall ; 59-reserved |
| dd sys_IPC ; 60-Inter Process Communication |
| dd sys_gs ; 61-Direct graphics access |
| dd sys_pci ; 62-PCI functions |