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* Vu1 state moved to struct. Host-target endian twiddling. Misc other fixes.

This commit is contained in:
Ian Carmichael 1998-02-14 05:34:08 +00:00
parent 77cfb0a136
commit 486c714a26
1 changed files with 29 additions and 34 deletions
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63
sim/mips/sky-vu1.c
View File

@ -3,6 +3,7 @@
*/
#include "sim-main.h"
#include "sim-endian.h"
#include "sky-device.h"
#include "sky-vu1.h"
@ -11,8 +12,8 @@
VectorUnitState vu1_state;
static char vu1_umem_buffer[VU1_MEM0_SIZE];
static char vu1_mem_buffer[VU1_MEM1_SIZE];
static char vu1_umem_buffer[VU1_MEM0_SIZE] __attribute__ ((aligned(16)));
static char vu1_mem_buffer[VU1_MEM1_SIZE] __attribute__ ((aligned(16)));
void init_vu1(void);
void init_vu(VectorUnitState *state, char* umem_buffer, char* mem_buffer);
@ -54,8 +55,10 @@ vu1_io_read_register_window(device *me,
*(u_long*)&source_buffer[VU1_MTPC - VU1_REGISTER_WINDOW_START] = vu1_state.regs.MTPC;
*(VpeStat*)&source_buffer[VPE1_STAT - VU1_REGISTER_WINDOW_START] = vu1_state.regs.VPE_STAT;
#if 0
printf("%s: Read: %x, %d, dest: %x, space: %d, %x!\n", me->name, (int)addr, nr_bytes, (int)dest, space, *(int*)&(vu1_state.regs.VPE_STAT));
printf(" vu1_state.regs.VPE_STAT = %x\n", *(int*)&(vu1_state.regs.VPE_STAT));
#endif
if (addr + nr_bytes > VU1_REGISTER_WINDOW_END) {
fprintf(stderr, "Error: Read past end of vu1 register window!!!\n");
@ -82,26 +85,18 @@ vu1_io_write_register_window(device *me,
/* Magic to switch VU to run state, until other methods are available. */
vu1_state.runState = VU_RUN;
vu1_state.regs.VPE_STAT.vbs = 1;
printf("Magic start run...\n");
#if 0
printf("%x,%x,%x,%x\n", &vu1_state.regs.VF[0][0], &vu1_state.regs.VPE_STAT,
((char*)&vu1_state.regs.VPE_STAT) - ((char*)&vu1_state.regs.VF[0][0]),
((char*)&vu1_state.regs.VPE_STAT) - ((char*)&vu1_state.regs.VF[0][0]) + VU1_REGISTER_WINDOW_START
);
printf("%x,%x,%x,%x\n", &vu1_state.regs.VF[0][0], &vu1_state.regs.VI[0],
((char*)&vu1_state.regs.VI[0]) - ((char*)&vu1_state.regs.VF[0][0]),
((char*)&vu1_state.regs.VI[0]) - ((char*)&vu1_state.regs.VF[0][0]) + VU1_REGISTER_WINDOW_START
);
printf("%x,%x,%x,%x\n", &vu1_state.regs.VF[0][0], &vu1_state.regs.MST,
((char*)&vu1_state.regs.MST) - ((char*)&vu1_state.regs.VF[0][0]),
((char*)&vu1_state.regs.MST) - ((char*)&vu1_state.regs.VF[0][0]) + VU1_REGISTER_WINDOW_START
);
#endif
vu1_state.junk.eflag = 0;
vu1_state.junk.peflag = 0;
/*printf("Magic start run...\n");*/
return nr_bytes;
}
} else if (addr == VU1_MST && nr_bytes == 4) {
/* Magic switch to set _TOP register */
/*printf("Magic set TOP register to %d\n", T2H_4(*(int*)source));*/
vu1_state.junk._TOP = T2H_4(*(int*)source);
return nr_bytes;
}
printf("%s: Write: %x, %d, source: %x, space: %d!\n", me->name, (int)addr, nr_bytes, (int)source, space);
/*printf("%s: Write: %x, %d, source: %x, space: %d!\n", me->name, (int)addr, nr_bytes, (int)source, space);*/
if (addr + nr_bytes > VU1_REGISTER_WINDOW_END) {
fprintf(stderr, "Error: Read past end of vu1 register window!!!\n");
@ -187,7 +182,7 @@ static void abend2(char *fmt, char* p) {
exit(1);
}
void getoption(void);
void getoption(VectorUnitState* state);
void init_vu1(void) {
init_vu(&vu1_state, &vu1_umem_buffer[0], &vu1_mem_buffer[0]);
@ -207,7 +202,7 @@ void init_vu(VectorUnitState *state, char* umem_buffer, char* mem_buffer)
state->runState = VU_READY;
/* read option */
getoption();
getoption(state);
/* read instruction file (mandatory) */
if (*ifilename) {
@ -262,20 +257,20 @@ static void Usage(void)
}
#endif
void getoption(void)
void getoption(VectorUnitState* state)
{
#if 0
int startline = 0;
int count = 1;
#endif
_is_dbg = 1;
_vpepc = 0;
_is_verb = 0;
_is_dump = 0;
_pgpuif = 2;
_ITOP = 20;
_TOP = 10;
state->junk._is_dbg = 1;
state->junk._vpepc = 0;
state->junk._is_verb = 0;
state->junk._is_dump = 0;
state->junk._pgpuif = 2;
state->junk._ITOP = 20;
state->junk._TOP = 10;
#if 0
while(argc - count){
@ -295,19 +290,19 @@ void getoption(void)
break;
case 's':
sscanf(argv[count+1], "%d", &startline);
_vpepc = startline;
state->junk._vpepc = startline;
count += 2;
break;
case 'd':
_is_dbg = 1;
state->junk._is_dbg = 1;
count += 1;
break;
case 'v':
_is_verb = 1;
state->junk._is_verb = 1;
count += 1;
break;
case 'p':
_is_dump = 1;
state->junk._is_dump = 1;
count += 1;
break;
case 'h':