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printout vector number during exception

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Markus Fröschle
2013-11-06 15:29:59 +00:00
parent c3090bc925
commit cd8caeb4d9
1 changed files with 23 additions and 0 deletions
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23
BaS_gcc/sources/exceptions.S
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@@ -426,6 +426,22 @@ std_exc_vec:
move.w 8(sp),d0 // fetch vector move.w 8(sp),d0 // fetch vector
and.l #0x3fc,d0 // mask out vector number and.l #0x3fc,d0 // mask out vector number
// printout vector number of exception
lea -4 * 4(sp),sp // reserve stack space
movem.l d0-d1/a0-a1,(sp) // save gcc scratch registers
lsr.l #2,d0 // shift vector number in place
move.l d0,-(sp) // provide it to xprintf()
pea exception_text
jsr _xprintf // call xprintf()
addq.l #2*4,sp // adjust stack
movem.l (sp),d0-d1/a0-a1 // restore registers
lea 4 * 4(sp),sp
add.l _rt_vbr,d0 // + VBR add.l _rt_vbr,d0 // + VBR
move.l d0,a5 move.l d0,a5
move.l (a5),d0 // fetch exception routine address move.l (a5),d0 // fetch exception routine address
@@ -439,6 +455,13 @@ std_exc_vec:
move.l (a7)+,d0 // restore d0 move.l (a7)+,d0 // restore d0
rts // jump to exception routine rts // jump to exception routine
.data
exception_text:
.ascii "EXCEPTION %d caught"
.byte 13, 10, 0
.text
#ifdef MACHINE_FIREBEE #ifdef MACHINE_FIREBEE
stv_protect: stv_protect:
move.l usp,a5 // usp holen move.l usp,a5 // usp holen