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/* Copyright (C) 1998, Cygnus Solutions
*/
#include "sim-main.h"
#include "sim-endian.h"
#include "sky-device.h"
#include "sky-vu1.h"
#include "sky-libvpe.h"
#include "sky-vu.h"
#include "sky-bits.h"
#include <assert.h>
VectorUnitState vu1_state;
#define sim_warning printf
/* these are aligned versions of zalloc() pointers - do not zfree()! */
static char* vu1_umem_buffer = 0;
static char* vu1_mem_buffer = 0;
void init_vu1(void);
void init_vu(VectorUnitState *state,
char* umem_buffer, unsigned umem_dw_size,
char* mem_buffer, unsigned mem_qw_size);
#if 0
static void dump_mem() {
int i;
typedef int T[2048][4];
T *mem = (T*)&vu1_mem_buffer;
for (i = 0; i < 200; i++) {
printf("%d: %x %x %x %x\n", i, (*mem)[i][0], (*mem)[i][1], (*mem)[i][2], (*mem)[i][3]);
}
}
#endif
void
vu1_issue(void)
{
if (vu1_state.runState == VU_RUN)
vpecallms_cycle(&vu1_state);
}
static int
vu1_io_read_register_window(device *me,
void *dest,
int space,
address_word addr,
unsigned nr_bytes,
sim_cpu *processor,
sim_cia cia)
{
if (addr < VU1_REGISTER_WINDOW_START)
return 0;
addr -= VU1_REGISTER_WINDOW_START;
/* Adjust nr_bytes if too big */
if ((addr + nr_bytes) > VU_REG_END)
nr_bytes -= addr + nr_bytes - VU_REG_END;
return read_vu_registers (&vu1_state, addr, nr_bytes, dest);
}
static int
vu1_io_write_register_window(device *me,
const void *source,
int space,
address_word addr,
unsigned nr_bytes,
sim_cpu *processor,
sim_cia cia)
{
if (addr < VU1_REGISTER_WINDOW_START)
return 0;
addr -= VU1_REGISTER_WINDOW_START;
/* Adjust nr_bytes if too big */
if ((addr + nr_bytes) > VU_REG_END)
nr_bytes -= addr + nr_bytes - VU_REG_END;
return write_vu_registers (&vu1_state, addr, nr_bytes, source);
}
device vu1_device =
{
"vu1",
&vu1_io_read_register_window,
&vu1_io_write_register_window
};
void
vu1_init(SIM_DESC sd)
{
sim_core_attach (sd,
NULL,
0 /*level*/,
access_read_write,
0 /*space ???*/,
VU1_REGISTER_WINDOW_START,
VU_REG_END /*nr_bytes*/,
0 /*modulo*/,
&vu1_device,
NULL /*buffer*/);
vu1_umem_buffer = zalloc(VU1_MEM0_SIZE);
vu1_umem_buffer = (void*) ALIGN_16((unsigned)vu1_umem_buffer);
sim_core_attach (sd,
NULL,
0 /*level*/,
access_read_write,
0 /*space ???*/,
VU1_MEM0_WINDOW_START,
VU1_MEM0_SIZE /*nr_bytes*/,
0 /*modulo*/,
0 /*device*/,
vu1_umem_buffer /*buffer*/);
vu1_mem_buffer = zalloc(VU1_MEM1_SIZE + 2*sizeof(unsigned_16));
vu1_mem_buffer = (void*) ALIGN_16((unsigned)vu1_mem_buffer);
sim_core_attach (sd,
NULL,
0 /*level*/,
access_read_write,
0 /*space ???*/,
VU1_MEM1_WINDOW_START,
VU1_MEM1_SIZE /*nr_bytes*/,
0 /*modulo*/,
0 /*device*/,
vu1_mem_buffer /*buffer*/);
init_vu1();
/*initvpe();*/
vpecallms_init(&vu1_state);
}
/****************************************************************************/
/* */
/* Sony Computer Entertainment CONFIDENTIAL */
/* (C) 1997 Sony Computer Entertainment Inc. All Rights Reserved */
/* */
/* VPE1 simulator */
/* */
/****************************************************************************/
#include <stdio.h>
#include <sys/types.h>
#include <strings.h>
#include "sky-libvpe.h"
char ifilename[64] = "vu.bin";
char ofilename[64] = "";
char pfilename[64] = "";
static void abend2(char *fmt, char* p) {
fprintf(stderr, fmt, p);
exit(1);
}
void getoption(VectorUnitState* state);
void init_vu1(void) {
init_vu(&vu1_state,
&vu1_umem_buffer[0], VU1_MEM0_SIZE/8,
&vu1_mem_buffer[0], VU1_MEM1_SIZE/16);
}
void init_vu(VectorUnitState *state,
char* umem_buffer, unsigned umem_dw_size,
char* mem_buffer, unsigned mem_qw_size)
{
FILE *fp;
int i, j;
u_long data[4];
/* set up memory buffers */
state->uMEM_buffer = (uMEM_Entry_Type *) umem_buffer;
state->uMEM_size = umem_dw_size;
state->MEM_buffer = (MEM_Entry_Type*) mem_buffer;
state->MEM_size = mem_qw_size;
/* set up run state */
state->runState = VU_READY;
/* read option */
getoption(state);
/* read instruction file (mandatory) */
if (*ifilename) {
if((fp = fopen(ifilename, "r")) != NULL) {
for (i = 0; fread(&data[0], 4, 1, fp) != 0; i++) {
fread(&data[1], 4, 1, fp);
LoadMMem(state, i, data, 1);
}
fclose(fp);
}
}
/* PKE dirven simvpe */
if (*pfilename) {
/* initpke(pfilename); */
initvpe(&vu1_state);
/* while (simpke() != -1)
simvpe(); */
}
/* conventional simvpe */
else {
initvpe(&vu1_state);
/*simvpe();*/
}
/* write result memory image (optional) */
if (*ofilename) {
if((fp = fopen(ofilename, "w")) == NULL)
abend2("%s: can not open\n", ofilename);
for(i = 0; i < 2048; i++){
StoreVUMem(state, i, data, 1);
for(j = 0; j < 4; j++)
fwrite(&data[j], 4, 1, fp);
}
fclose(fp);
}
}
#if 0
static void Usage(void)
{
fprintf(stderr, "Usage: simvpe [options]\n");
fprintf(stderr, "\t\t-i instruction-file\n");
fprintf(stderr, "\t\t-o output-memory-file\n");
fprintf(stderr, "\t\t-t PKE-file (text type)\n");
fprintf(stderr, "\t\t-s start-address [default = 0]\n");
fprintf(stderr, "\t\t-d [interactive mode enable: default desable]\n");
fprintf(stderr, "\t\t-v [statistics mode enable: default desable]\n");
fprintf(stderr, "\t\t-p [debug print mode enable: default desable]\n");
}
#endif
void getoption(VectorUnitState* state)
{
#if 0
int startline = 0;
int count = 1;
#endif
state->junk._is_dbg = 1;
state->junk._vpepc = 0;
state->junk._is_verb = 0;
state->junk._is_dump = 0;
state->junk._pgpuif = 4; /* MEMGPUIF */
state->junk._ITOP = 20;
state->junk._TOP = 10;
#if 0
while(argc - count){
if(argv[count][0] == '-'){
switch(argv[count][1]){
case 'i':
strcpy(ifilename, argv[count+1]);
count += 2;
break;
case 'o':
strcpy(ofilename, argv[count+1]);
count += 2;
break;
case 't':
strcpy(pfilename, argv[count+1]);
count += 2;
break;
case 's':
sscanf(argv[count+1], "%d", &startline);
state->junk._vpepc = startline;
count += 2;
break;
case 'd':
state->junk._is_dbg = 1;
count += 1;
break;
case 'v':
state->junk._is_verb = 1;
count += 1;
break;
case 'p':
state->junk._is_dump = 1;
count += 1;
break;
case 'h':
case '?':
Usage();
exit(1);
break;
default:
Usage();
exit(1);
}
}else{
Usage();
exit(1);
}
}
#endif
}
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