Retro68/gcc/newlib/libc/sys/sh/trap.S
2012-03-27 01:51:53 +02:00

44 lines
649 B
ArmAsm

#if __SH5__
.mode SHmedia
#if __SH5__ == 32 && __SHMEDIA__
.section .text..SHmedia32, "ax"
#else
.text
#endif
.global ___trap34
___trap34:
movi 34, r0
trapa r0
pt/l ret, tr1
ptabs/l r18, tr0
beqi r1, 0, tr1
#if __SH5__ == 64
movi ((_errno >> 48) & 65535), r0
shori ((_errno >> 32) & 65535), r0
shori ((_errno >> 16) & 65535), r0
#else
movi ((_errno >> 16) & 65535), r0
#endif
shori (_errno & 65535), r0
stx.l r0, r63, r1
ret:
blink tr0, r63
#else
.text
.global ___trap34
___trap34:
trapa #34
tst r1,r1 ! r1 is errno
bt ret
mov.l perrno,r2
mov.l r1,@r2
ret:
rts
nop
.align 2
perrno:
.long _errno
#endif /* ! __SH5__ */