/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 |