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sim-main.h: track SKY register number changes from gdb

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interp.c: ditto
This commit is contained in:
Ron Unrau 1998-03-04 08:47:31 +00:00
parent 4f0f84e7fb
commit a859684b25
1 changed files with 60 additions and 35 deletions
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95
sim/mips/interp.c
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@ -269,8 +269,8 @@ static void device_init(SIM_DESC sd) {
/* start-sanitize-sky */
#ifdef TARGET_SKY
static struct {
short i[16];
int f[NUM_VU_REGS - 16];
short i[NUM_VU_INTEGER_REGS];
int f[NUM_VU_REGS - NUM_VU_INTEGER_REGS];
} vu_regs[2];
#endif
/* end-sanitize-sky */
@ -390,7 +390,7 @@ sim_open (kind, cb, abfd, argv)
/* start-sanitize-sky */
#ifdef TARGET_SKY
/* Now the VU registers */
for( rn = 0; rn < 16; rn++ ) { /* first the integer registers */
for( rn = 0; rn < NUM_VU_INTEGER_REGS; rn++ ) {
cpu->register_widths[rn + NUM_R5900_REGS] = 16;
cpu->register_widths[rn + NUM_R5900_REGS + NUM_VU_REGS] = 16;
@ -399,24 +399,25 @@ sim_open (kind, cb, abfd, argv)
vu_regs[1].i[rn] = rn + 0x200;
}
for( rn = 16; rn < NUM_VU_REGS; rn++ ) { /* then the FP registers */
for( rn = NUM_VU_INTEGER_REGS; rn < NUM_VU_REGS; rn++ ) {
float f;
int first_vec_reg = NUM_VU_INTEGER_REGS + 8;
cpu->register_widths[rn + NUM_R5900_REGS] = 32;
cpu->register_widths[rn + NUM_R5900_REGS + NUM_VU_REGS] = 32;
/* Hack for now - to test gdb interface */
if( rn < 24 ) {
f = rn - 16 + 100.0;
vu_regs[0].f[rn-16] = *((unsigned *) &f);
f = rn - 16 + 200.0;
vu_regs[1].f[rn-16] = *((unsigned *) &f);
if( rn < first_vec_reg ) {
f = rn - NUM_VU_INTEGER_REGS + 100.0;
vu_regs[0].f[rn-NUM_VU_INTEGER_REGS] = *((unsigned *) &f);
f = rn - NUM_VU_INTEGER_REGS + 200.0;
vu_regs[1].f[rn-NUM_VU_INTEGER_REGS] = *((unsigned *) &f);
}
else {
f = (rn - 24)/4 + (rn - 24)%4 + 1000.0;
vu_regs[0].f[rn-16] = *((unsigned *) &f);
f = (rn - 24)/4 + (rn - 24)%4 + 2000.0;
vu_regs[1].f[rn-16] = *((unsigned *) &f);
f = (rn - first_vec_reg)/4 + (rn - first_vec_reg)%4 + 1000.0;
vu_regs[0].f[rn-NUM_VU_INTEGER_REGS] = *((unsigned *) &f);
f = (rn - first_vec_reg)/4 + (rn - first_vec_reg)%4 + 2000.0;
vu_regs[1].f[rn-NUM_VU_INTEGER_REGS] = *((unsigned *) &f);
}
}
#endif
@ -640,24 +641,36 @@ sim_store_register (sd,rn,memory,length)
/* start-sanitize-sky */
#ifdef TARGET_SKY
if (rn > NUM_R5900_REGS)
if (rn >= NUM_R5900_REGS)
{
int size = 4; /* Default register size */
rn = rn - NUM_R5900_REGS;
if( rn < 16 )
vu_regs[0].i[rn] = T2H_2( *(unsigned short *) memory );
if (rn < NUM_VU_INTEGER_REGS)
{
vu_regs[0].i[rn] = T2H_2( *(unsigned short *) memory );
size = 2;
}
else if( rn < NUM_VU_REGS )
vu_regs[0].f[rn - 16] = T2H_4( *(unsigned int *) memory );
vu_regs[0].f[rn - NUM_VU_INTEGER_REGS]
= T2H_4( *(unsigned int *) memory );
else {
rn = rn - NUM_VU_REGS;
if( rn < 16 )
vu_regs[1].i[rn] = T2H_2( *(unsigned short *) memory );
if( rn < NUM_VU_INTEGER_REGS )
{
vu_regs[1].i[rn] = T2H_2( *(unsigned short *) memory );
size = 2;
}
else if( rn < NUM_VU_REGS )
vu_regs[1].f[rn - 16] = T2H_4( *(unsigned int *) memory );
vu_regs[1].f[rn - NUM_VU_INTEGER_REGS]
= T2H_4( *(unsigned int *) memory );
else
sim_io_eprintf( sd, "Invalid VU register (register store ignored)\n" );
}
return size;
}
#endif
/* end-sanitize-sky */
@ -730,25 +743,37 @@ sim_fetch_register (sd,rn,memory,length)
/* start-sanitize-sky */
#ifdef TARGET_SKY
if( rn > NUM_R5900_REGS )
if (rn >= NUM_R5900_REGS)
{
int size = 4; /* default register width */
rn = rn - NUM_R5900_REGS;
if( rn < 16 )
*((unsigned short *) memory) = H2T_2( vu_regs[0].i[rn] );
else if( rn < NUM_VU_REGS )
*((unsigned int *) memory) = H2T_4( vu_regs[0].f[rn - 16] );
else {
rn = rn - NUM_VU_REGS;
if (rn < NUM_VU_INTEGER_REGS)
{
*((unsigned short *) memory) = H2T_2( vu_regs[0].i[rn] );
size = 2;
}
else if (rn < NUM_VU_REGS)
*((unsigned int *) memory)
= H2T_4( vu_regs[0].f[rn - NUM_VU_INTEGER_REGS] );
else
{
rn = rn - NUM_VU_REGS;
if( rn < 16 )
(*(unsigned short *) memory) = H2T_2( vu_regs[1].i[rn] );
else if( rn < NUM_VU_REGS )
(*(unsigned int *) memory) = H2T_4( vu_regs[1].f[rn - 16] );
else
sim_io_eprintf( sd, "Invalid VU register (register fetch ignored)\n" );
}
return -1;
if (rn < NUM_VU_INTEGER_REGS)
{
(*(unsigned short *) memory) = H2T_2( vu_regs[1].i[rn] );
size = 2;
}
else if (rn < NUM_VU_REGS)
(*(unsigned int *) memory)
= H2T_4( vu_regs[1].f[rn - NUM_VU_INTEGER_REGS] );
else
sim_io_eprintf( sd, "Invalid VU register (register fetch ignored)\n" );
}
return size;
}
#endif
/* end-sanitize-sky */