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Make a more complete entry in the normal path so we can enter GDB at will.

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svn path=/trunk/; revision=29589
This commit is contained in:
Art Yerkes 2007-10-15 00:53:17 +00:00
parent 4039f862ec
commit 8f3885a661
3 changed files with 106 additions and 26 deletions
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114
reactos/lib/ppcmmu/devint.s
View file

@ -2,24 +2,104 @@
.text
.globl mmumain
.globl _mmumain
.globl oldstack
mmumain:
lis 7,oldstack@ha
addi 7,7,oldstack@l
mflr 0
stw 1,0(7)
mr 0,1
lis 1,2
subi 1,1,432
stw 0,4(1)
stw 2,8(1)
stw 3,12(1)
stw 4,16(1)
stw 5,20(1)
stw 6,24(1)
stw 7,28(1)
stw 8,32(1)
stw 9,36(1)
stw 10,40(1)
stw 11,44(1)
stw 12,48(1)
stw 13,52(1)
stw 14,56(1)
stw 15,60(1)
stw 16,64(1)
stw 17,68(1)
stw 18,72(1)
stw 19,76(1)
stw 20,80(1)
stw 21,84(1)
stw 22,88(1)
stw 23,92(1)
stw 24,96(1)
stw 25,100(1)
stw 26,104(1)
stw 27,108(1)
stw 28,112(1)
stw 29,116(1)
stw 30,120(1)
stw 31,124(1)
mflr 0
stw 0,384(1)
mfmsr 0
stw 0,388(1)
mfcr 0
stw 0,392(1)
mflr 0
stw 0,396(1)
mfctr 0
stw 0,400(1)
mfxer 0
stw 0,404(1)
xor 0,0,0
stw 0,408(1)
mfdsisr 0
stw 0,412(1)
mfdar 0
stw 0,416(1)
mr 7,1
lis 8,_mmumain@ha
addi 8,8,_mmumain@l
mtctr 8
subi 1,1,16
stw 0,0(1)
bl _mmumain
lis 7,oldstack@ha
addi 7,7,oldstack@l
lwz 0,0(1)
lwz 1,0(7)
bctrl
addi 1,1,16
lwz 2,8(1)
/* Don't reload r3, since we'll return a result */
lwz 4,16(1)
lwz 5,20(1)
lwz 6,24(1)
lwz 7,28(1)
lwz 8,32(1)
lwz 9,36(1)
lwz 10,40(1)
lwz 11,44(1)
lwz 12,48(1)
lwz 13,52(1)
lwz 14,56(1)
lwz 15,60(1)
lwz 16,64(1)
lwz 17,68(1)
lwz 18,72(1)
lwz 19,76(1)
lwz 20,80(1)
lwz 21,84(1)
lwz 22,88(1)
lwz 23,92(1)
lwz 24,96(1)
lwz 25,100(1)
lwz 26,104(1)
lwz 27,108(1)
lwz 28,112(1)
lwz 29,116(1)
lwz 30,120(1)
lwz 31,124(1)
lwz 0,392(1)
mtcr 0
lwz 0,396(1)
mtlr 0
lwz 0,400(1)
mtctr 0
lwz 1,4(1)
blr
oldstack:
.long 0
.globl trap_start
.globl trap_end
@ -87,12 +167,14 @@ trap_start:
lis 5,trap_finish_start@ha
addi 5,5,trap_finish_start@l
mtlr 5
subi 1,1,16
bctr
trap_end:
.space 4
.globl trap_finish_start
trap_finish_start:
addi 1,1,16
lwz 2,8(1)
lwz 3,12(1)
lwz 4,16(1)
@ -140,7 +222,5 @@ trap_finish_start:
lwz 0,416(1)
mtdar 0
lwz 0,0(1)
mtsprg1 0
lwz 0,0(1)
mfsprg1 1
lwz 1,4(1)
rfi

4
reactos/lib/ppcmmu/gdblib.c
View file

@ -301,7 +301,7 @@ void GotPacket()
{
case 'g':
PacketStart();
for (i = 0; i < 108; i++)
for (i = 0; i < sizeof(*RegisterSaveArea) / sizeof(int); i++)
{
PacketWriteHexNumber(((int *)RegisterSaveArea)[i], 8);
}
@ -309,7 +309,7 @@ void GotPacket()
break;
case 'G':
for (i = 0; i < 108; i++)
for (i = 0; i < sizeof(*RegisterSaveArea) / sizeof(int); i++)
{
((int *)RegisterSaveArea)[i] = PacketReadHexNumber(8);
}

14
reactos/lib/ppcmmu/mmuobject.c
View file

@ -70,10 +70,10 @@ int ptegreload(ppc_trap_frame_t *frame, vaddr_t addr);
void SerialSetUp(int deviceType, void *deviceAddr, int baud);
void TakeException(int n, int *tf);
int _mmumain(int action, void *arg1, void *arg2, void *arg3)
int _mmumain(int action, void *arg1, void *arg2, void *arg3, void *tf)
{
void (*fun)(void *) = arg1;
ppc_trap_frame_t *trap_frame = arg1;
ppc_trap_frame_t *trap_frame = (action >= 0x100) ? tf : arg1;
int ret = 0;
switch(action)
@ -83,14 +83,14 @@ int _mmumain(int action, void *arg1, void *arg2, void *arg3)
if(!ptegreload(trap_frame, trap_frame->dar))
{
__asm__("mfmsr 3\n\tori 3,3,0x30\n\tmtmsr 3\n\t");
if (!callback[action](action,arg1)) hang(action, arg1);
if (!callback[action](action,tf)) hang(action, tf);
}
break;
case 4:
if(!ptegreload(trap_frame, trap_frame->srr0))
{
__asm__("mfmsr 3\n\tori 3,3,0x30\n\tmtmsr 3\n\t");
if (!callback[action](action,arg1)) hang(action, arg1);
if (!callback[action](action,tf)) hang(action, tf);
}
break;
@ -102,12 +102,12 @@ int _mmumain(int action, void *arg1, void *arg2, void *arg3)
case 8:
case 9:
case 0xa:
if (!callback[action](action,arg1)) hang(action, arg1);
if (!callback[action](action,tf)) hang(action, tf);
break;
case 0x20:
// Single step
TakeException(action, arg1);
TakeException(action, tf);
break;
/* MMU Functions */
@ -161,7 +161,7 @@ int _mmumain(int action, void *arg1, void *arg2, void *arg3)
SerialSetUp((int)arg1, arg2, 9600);
break;
case 0x201:
TakeException((int)arg1, (int *)arg2);
TakeException((int)arg1, (int *)trap_frame);
break;
default: