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configure.in: add -DTARGET_SKY for mips64r5900-sky-elf configure.

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sim-main.h: Define regs for sky if -DTARGET_SKY
interp.c: Initial register upload/download support for sky.
This commit is contained in:
Ron Unrau 1998-02-15 21:33:13 +00:00
parent 678fa7ffe3
commit 97908603a4
2 changed files with 88 additions and 2 deletions
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2
sim/mips/configure.in
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@ -202,7 +202,7 @@ AC_SUBST(sim_gen)
case "${target}" in
# start-sanitize-sky
mips64r59*-sky-*) mips_extra_objs='$(SIM_SKY_OBJS)' ;
SIM_SUBTARGET="-DWITH_DEVICES=1 -DDEVICE_INIT=1";;
SIM_SUBTARGET="-DTARGET_SKY -DWITH_DEVICES=1 -DDEVICE_INIT=1";;
# end-sanitize-sky
*) mips_extra_objs="" ;;

88
sim/mips/interp.c
View File

@ -255,13 +255,20 @@ interrupt_event (SIM_DESC sd, void *data)
/*---------------------------------------------------------------------------*/
/*-- Device registration hook -----------------------------------------------*/
/*---------------------------------------------------------------------------*/
static device_init(SIM_DESC sd) {
static void device_init(SIM_DESC sd) {
#ifdef DEVICE_INIT
extern void register_devices(SIM_DESC);
register_devices(sd);
#endif
}
/* start-sanitize-sky */
static struct {
short i[16];
int f[NUM_VU_REGS - 16];
} vu_regs[2];
/* end-sanitize-sky */
/*---------------------------------------------------------------------------*/
/*-- GDB simulator interface ------------------------------------------------*/
/*---------------------------------------------------------------------------*/
@ -369,6 +376,41 @@ sim_open (kind, cb, abfd, argv)
for( rn = LAST_EMBED_REGNUM+1; rn < NUM_REGS; rn++)
cpu->register_widths[rn] = 64;
/* end-sanitize-r5900 */
/* start-sanitize-sky */
#ifdef TARGET_SKY
/* Now the VU registers */
for( rn = 0; rn < 16; rn++ ) { /* first the integer registers */
cpu->register_widths[rn + NUM_R5900_REGS] = 16;
cpu->register_widths[rn + NUM_R5900_REGS + NUM_VU_REGS] = 16;
/* Hack for now - to test gdb interface */
vu_regs[0].i[rn] = rn + 0x100;
vu_regs[1].i[rn] = rn + 0x200;
}
for( rn = 16; rn < NUM_VU_REGS; rn++ ) { /* then the FP registers */
float f;
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);
}
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);
}
}
#endif
/* end-sanitize-sky */
}
#if defined(TRACE)
@ -561,6 +603,28 @@ sim_store_register (sd,rn,memory)
if (cpu->register_widths[rn] == 0)
sim_io_eprintf(sd,"Invalid register width for %d (register store ignored)\n",rn);
/* start-sanitize-sky */
#ifdef TARGET_SKY
else if( rn > NUM_R5900_REGS ) {
rn = rn - NUM_R5900_REGS;
if( rn < 16 )
vu_regs[0].i[rn] = T2H_2( *(unsigned short *) memory );
else if( rn < NUM_VU_REGS )
vu_regs[0].f[rn - 16] = T2H_4( *(unsigned int *) memory );
else {
rn = rn - NUM_VU_REGS;
if( rn < 16 )
vu_regs[1].i[rn] = T2H_2( *(unsigned short *) memory );
else if( rn < NUM_VU_REGS )
vu_regs[1].f[rn - 16] = T2H_4( *(unsigned int *) memory );
else
sim_io_eprintf( sd, "Invalid VU register (register store ignored)\n" );
}
}
#endif
/* end-sanitize-sky */
/* start-sanitize-r5900 */
else if (rn == REGISTER_SA)
SA = T2H_8(*(unsigned64*)memory);
@ -597,6 +661,28 @@ sim_fetch_register (sd,rn,memory)
if (cpu->register_widths[rn] == 0)
sim_io_eprintf(sd,"Invalid register width for %d (register fetch ignored)\n",rn);
/* start-sanitize-sky */
#ifdef TARGET_SKY
else if( rn > NUM_R5900_REGS ) {
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 < 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" );
}
}
#endif
/* end-sanitize-sky */
/* start-sanitize-r5900 */
else if (rn == REGISTER_SA)
*((unsigned64*)memory) = H2T_8(SA);