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added diagnostic printout on exceptions - except common traps

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This commit is contained in:
Markus Fröschle
2013-11-07 06:16:44 +00:00
parent a76deac026
commit 6707428b92
1 changed files with 17 additions and 8 deletions
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25
BaS_gcc/sources/exceptions.S
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@@ -434,10 +434,19 @@ std_exc_vec:
movem.l d0-d1/a0-a1,(sp) // save gcc scratch registers
lsr.l #2,d0 // shift vector number in place
cmp.l #33,d0
beq noprint
cmp.l #34,d0
beq noprint
cmp.l #45,d0
beq noprint
cmp.l #46,d0
beq noprint
move.l d0,-(sp) // provide it to xprintf()
pea exception_text
jsr _xprintf // call xprintf()
addq.l #2*4,sp // adjust stack
noprint:
movem.l (sp),d0-d1/a0-a1 // restore registers
lea 4 * 4(sp),sp
@@ -697,12 +706,12 @@ irq6_sca_pn1c:
// experiment: do video page copy using Coldfire DMA
lea -15 * 4(sp),sp
movem.l d0-d1/a0-a1,sp // save gcc scratch registers
movem.l d0-d1/a0-a1,(sp) // save gcc scratch registers
clr.l -(sp) // no special functions
move.l #MCD_SINGLE_DMA|MCD_TT_FLAGS_CW|MCD_TT_FLAGS_RL|MCD_TT_FLAGS_SP,-(sp)
mov3q #7,-(sp) // highest DMA priority
move.l #DMA_ALWAYS,-(sp) // do memory to memory DMA
move.l #4,-(sp) // copy 4 bytes at a time
move.l #1,-(sp) // copy 4 bytes at a time
move.l #0x100000,-(sp) // copy 1 Megabyte
move.l #4,-(sp) // destination increment
move.l a1,-(sp) // destination adress
@@ -710,6 +719,7 @@ irq6_sca_pn1c:
move.l a0,-(sp) // source adress
move.l #1,-(sp) // channel 1
jsr _MCD_startDma
movem.l (sp),d0-d1/a0-a1 // restore gcc scratch registers
lea 15 * 4(sp),sp // adjust stack
@@ -1005,18 +1015,18 @@ video_copy_data:
add.l #0x60000000,a1
move.l #0x10000,d4 // whole page
#define _DO_CPU_COPY
#ifndef _DO_CPU_COPY
// experiment: do video page copy using Coldfire DMA
move.l d0,-(sp) // save d0
lea -15 * 4(sp),sp
movem.l d0-d1/a0-a1,(sp) // save gcc scratch registers
clr.l -(sp) // no special functions
move.l #MCD_SINGLE_DMA|MCD_TT_FLAGS_CW|MCD_TT_FLAGS_RL|MCD_TT_FLAGS_SP,-(sp)
mov3q #7,-(sp) // highest DMA priority
move.l #DMA_ALWAYS,-(sp) // do memory to memory DMA
move.l #4,-(sp) // copy 4 bytes at a time
move.l #1,-(sp) // copy 4 bytes at a time
move.l #0x100000,-(sp) // copy 1 Megabyte
move.l #4,-(sp) // destination increment
move.l a1,-(sp) // destination adress
@@ -1033,9 +1043,8 @@ video_copy_data:
cmp.l #6,d0
bne .wait_dma_finished
lea 11 * 4(sp),sp // adjust stack
move.l (sp)+,d0 // restore d0
movem.l (sp),d0-d1/a0-a1 // restore gcc scratch registers
lea 15 * 4(sp),sp // adjust stack
#else
video_copy_data_loop: