| /kernel/trunk/core/fpu.inc |
|---|
| 181,110 → 181,3 |
| iglobal |
| fpu_owner dd 0 |
| endg |
| reg_eip equ ebp+4 |
| reg_cs equ ebp+8 |
| reg_eflags equ ebp+12 |
| reg_esp equ ebp+16 |
| reg_ss equ ebp+20 |
| align 4 ;not used now |
| proc except_16 ;fpu native exceptions handler |
| test byte [esp+8+2], 2 |
| jnz v86_except_16 |
| push ebp |
| mov ebp, esp |
| push eax |
| push ebx |
| push ecx |
| push edx |
| mov ebx, [CURRENT_TASK] |
| shl ebx, 8 |
| mov eax, [ebx+SLOT_BASE+APPDATA.fpu_handler] |
| test eax, eax |
| jz .default |
| mov ecx, [reg_eip] |
| mov edx, [reg_esp] |
| sub edx, 4 |
| mov [edx], ecx |
| mov [reg_esp], edx |
| mov dword [reg_eip], eax |
| pop edx |
| pop ecx |
| pop ebx |
| pop eax |
| leave |
| iretd |
| .default: |
| pop edx |
| pop ecx |
| pop ebx |
| pop eax |
| leave |
| save_ring3_context ;debugger support |
| mov bl, 16 |
| jmp exc_c |
| endp |
| align 4 ;not used now |
| proc except_19 ;sse exceptions handler |
| test byte [esp+8+2], 2 |
| jnz v86_except_19 |
| push ebp |
| mov ebp, esp |
| push eax |
| push ebx |
| push ecx |
| push edx |
| mov ebx, [current_slot] |
| mov eax, [ebx+APPDATA.sse_handler] |
| test eax, eax |
| jz .default |
| mov ecx, [reg_eip] |
| mov edx, [reg_esp] |
| sub edx, 4 |
| mov [edx], ecx |
| mov [reg_esp], edx |
| mov dword [reg_eip], eax |
| pop edx |
| pop ecx |
| pop ebx |
| pop eax |
| leave |
| iretd |
| .default: |
| pop edx |
| pop ecx |
| pop ebx |
| pop eax |
| leave |
| save_ring3_context ;debugger support |
| mov bl, 19 |
| jmp exc_c |
| endp |
| restore reg_eip |
| restore reg_cs |
| restore reg_eflags |
| restore reg_esp |
| restore reg_ss |