minix/lib/ack/i386/em/em_error.s
2009-11-09 10:26:00 +00:00

32 lines
429 B
ArmAsm

.sect .text; .sect .rom; .sect .data; .sect .bss
.define .error
.define .Xtrp
! eax is trap number
! all registers must be saved
! because return is possible
! May only be called with error no's <16
.sect .text
.error:
mov ecx,eax
mov ebx,1
sal ebx,cl
.extern .ignmask
.extern .trp
test ebx,(.ignmask)
jne 2f
call .trp
2:
ret
.Xtrp:
pusha
cmp eax,16
jge 1f
call .error
popa
ret
1:
call .trp
popa
ret