WebSVN – Kolibri OS – Blame – /kernel/trunk/core/except.inc

Rev	Author	Line No.	Line
164	serge	1
		2
		3	reg_eflags equ ebp+12
		4	reg_esp equ ebp+16
		5	reg_ss equ ebp+20
		6	fpu_ctrl equ ebp-28
		7
		8	align 4
		9
		10	push ebp
		11	mov ebp, esp
		12	sub esp, 28
		13
		14	push eax
		15
		16	push ecx
		17	push edx
		18
		19	mov ebx, [ss:CURRENT_TASK]
		20
		21
		22	mov eax, [ss:ebx+PROC_BASE+APPDATA.fpu_handler]
		23
		24	jz .default
		25
		26	mov ecx, [reg_eip]
		27
		28	sub edx, 4
		29	mov [ss:edx+new_app_base], ecx
		30	mov [reg_esp], edx
		31	mov dword [reg_eip], eax
		32
		33	pop edx
		34
		35	pop ebx
		36	pop eax
		37
		38	leave
		39
		40
		41	.default:
		42
		43	fnstenv [fpu_ctrl]
		44
		45	or word [fpu_ctrl], 0111111b
		46	fldenv [fpu_ctrl]
		47
		48	pop edx
		49
		50	pop ebx
		51	pop eax
		52
		53	leave
		54
		55
		56
		57
		58
		59	restore reg_eflags
		60	restore reg_esp
		61	restore reg_ss
		62	restore fpu_ctrl
		63

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