mi_random.c
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/*************************************************************************
*
* File: mi_random.c
*
* $Header: /root/leakn64/depot/rf/sw/bbplayer/iosim/src/mi_test/mi_random.c,v 1.5 2002/12/08 02:07:08 blythe Exp $
*
*/
#include <errno.h>
#include <fcntl.h>
#include <getopt.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <unistd.h>
#include <ctype.h>
#include "iomap.h"
#include "iotest.h"
#include "sim.h"
#include "simipc.h"
#include "trace.h"
#include "bcp_util.h"
#include "mi_test.h"
#include "nvram_test.h"
#define PASS 0
#define FAIL -1
/***********************************************************************
* Extern definitions
*/
extern TstCmd TstCmdTbl[];
extern void IoTestAll(void);
/***********************************************************************
* Macro definitions
*/
#define TEST_CMD_FILE "all.tst"
#define OPTARG "v:r:d:l:h:qt:"
/***********************************************************************
* Global definitions
*/
int IpcFd = -1;
unsigned long Dflags;
char *CmdFile = TEST_CMD_FILE;
FILE *LogFp, *CmdFp;
int ConfigRdramV = 0;
int NumberStallCycles = 0;
/***********************************************************************
* Local static definitions
*/
static void usage(void);
#define BROM_SIZE 16384
#define VIRAGE2_SIZE (64*4)
int main(int argc, char **argv)
{
int c, i, n;
int rom[BROM_SIZE/4];
int v2[VIRAGE2_SIZE/4];
char line[1024];
int do_quit = 0;
char *file;
FILE *fp = NULL;
FILE *v_fp = NULL;
char* test = "dram";
int memaddr, memsize, seed;
unsigned data_o[32], addr;
V_INT data_i[32];
static unsigned char sizes[] = { 4, 8, 16, 32, 1, 2, 3 };
#define NO_BYTE 4
#define YES_BYTE (sizeof sizes)
extern char *optarg;
extern int optind, opterr, optopt;
optind = 1;
Dflags = 0;
LogFp = stderr;
while ((c = getopt(argc, argv, OPTARG)) != EOF) {
switch (c) {
case 'd': { /* Debug flag */
Dflags = strtoul(optarg, NULL, 16);
printf("Debug flag=0x%08lx\n", Dflags);
break;
}
case 'l': { /* Log file */
file = optarg;
printf("Log file = %s\n", file);
if ((fp = fopen(file, "w+")) == NULL) {
printf("Unable to open log: %s\n",
file);
}
else
LogFp = fp;
break;
}
case 'h': { /* Help */
usage();
exit(0);
}
case 'q': {
do_quit = 1;
break;
}
case 'r': { /* Rom file */
file = optarg;
printf("ROM file = %s\n", file);
if ((fp = fopen(file, "r")) == NULL) {
printf("Unable to open ROM: %s\n", file);
fp = NULL;
}
break;
}
case 'v': { /* Virage 2 file */
file = optarg;
printf("Virage2 file = %s\n", file);
if ((v_fp = fopen(file, "r")) == NULL) {
printf("Unable to open ROM: %s\n", file);
v_fp = NULL;
}
break;
}
case 't':
test = optarg;
break;
default:
break;
}
} /* while */
/*
* Read ROM file if it exists
*/
if (fp) {
i = 0;
while (i<BROM_SIZE/4) {
fgets(line, 1024, fp);
// Skip comment lines
if (line[0] == '/') {
continue;
}
if (sscanf(line, "%x", rom+i) > 0) {
i++;
}
}
}
if (v_fp) {
i = 0;
while (i<VIRAGE2_SIZE/4) {
fgets(line, 1024, v_fp);
// Skip comment lines
if (line[0] == '/') {
continue;
}
if (sscanf(line, "%x", v2+i) > 0) {
i++;
}
}
}
ExceptionHandlerInit();
IpcInit(NULL);
FindServer();
do_keep_alive_socket(1);
/*
* MI random tests
*/
memaddr = strtoul(getenv("IOSIM_ADDR"), 0, 0);
memsize = strtoul(getenv("IOSIM_MEM_SIZE"), 0, 0);
seed = strtoul(getenv("IOSIM_SEED"), 0, 0);
srand(seed);
fprintf(LogFp, "mi_random test %s seed %d addr 0x%x size 0x%x\n", test, seed, memaddr, memsize);
//IO_READ(BOOT_RAM_LO_START);
//IO_WRITE(VIRAGE2_CTRL_REG, 0); /* take out of reset */
if (strcmp(test, "dram") == 0) {
addr = memaddr + rand() % memsize;
n = sizes[rand() % YES_BYTE];
} else if (strcmp(test, "bram") == 0) {
n = sizes[rand() % YES_BYTE];
addr = BOOT_RAM_HI_START + rand()%(BOOT_RAM_HI_END-BOOT_RAM_HI_START-n);
} else if (strcmp(test, "isram") == 0) {
n = sizes[rand() % YES_BYTE];
addr = INTERNAL_RAM_START + rand()%(INTERNAL_RAM_END-INTERNAL_RAM_START-n);
} else if (strcmp(test, "v0sram") == 0) {
n = sizes[rand() % NO_BYTE];
addr = VIRAGE0_RAM_START + rand()%(VIRAGE0_RAM_END-VIRAGE0_RAM_START-n);
} else if (strcmp(test, "v1sram") == 0) {
n = sizes[rand() % NO_BYTE];
addr = VIRAGE1_RAM_START + rand()%(VIRAGE1_RAM_END-VIRAGE1_RAM_START-n);
} else if (strcmp(test, "v2sram") == 0) {
n = sizes[rand() % NO_BYTE];
addr = VIRAGE2_RAM_START + rand()%(VIRAGE2_RAM_END-VIRAGE2_RAM_START-n);
} else {
fprintf(LogFp, "MI invalid test %s (failed)\n", test);
goto done;
}
if (n >= 4 || n == 2) addr &= ~(n-1);
else if (n == 3) addr &= ~2;
for(i = 0; i < (n+3)>>2; i++)
data_o[i] = rand();
/* will never see a 32-byte block write, so split */
if (n == 32) {
block_write(addr, 16, data_o);
block_write(addr+16, 16, data_o+4);
} else if (n > 4) {
block_write(addr, n, data_o);
} else if (n == 4) {
IO_WRITE(addr, data_o[0]);
} else if (n == 3) {
V_INT d;
d.data_part = data_o[0] >> (8*(addr&1));
v_io_swrite(addr, SIZE_3BYTE, 0, &d);
} else if (n == 2) {
V_INT d;
d.data_part = data_o[0] >> (8*(addr&2));
V_IO_SWRITE_HWORD(addr, 0, &d);
} else if (n == 1) {
V_INT d;
d.data_part = data_o[0] >> (8*(addr&3));
V_IO_SWRITE_BYTE(addr, 0, &d);
}
for(i = 0; i < (n+3)>>2; i++) {
data_o[i] = ntohl(data_o[i]);
//fprintf(LogFp, "data_o[%d] 0x%x\n", i, data_o[i]);
}
/* determine what to read */
if (rand() & 1) { /* block read */
int m = (2 << (rand() % 3))<<2;
unsigned int naddr = addr&~(m-1);
int off = addr - naddr;
unsigned int d[32];
unsigned char* p = (unsigned char*)data_o, *q = (unsigned char*)d;
V_IO_BREAD(naddr, m, 0, data_i);
/* reformat to byte addressable array */
for(i = 0 ; i < (m >> 2); i++) {
d[i] = ntohl(data_i[i].data_part);
//fprintf(LogFp, "data[%d] 0x%x\n", i, d[i]);
}
//fprintf(LogFp, "off %d n %d m %d\n", off, n, m);
/* compare original n bytes up to min(n,m) bytes */
for(i = 0; i < (n < m ? n : m); i++) {
if (p[i] != q[off+i])
fprintf(LogFp, "MI block write/read @ 0x%x[%d of %d] expected 0x%x got 0x%x - failed\n", addr, i, n, p[i], q[i+off]);
}
} else { /* single read */
V_INT d;
int m = 1 + (rand() % 4);
unsigned naddr = addr & ~(m-1);
int off = addr - naddr;
unsigned char* p = (unsigned char*)data_o, *q = (unsigned char*)&d.data_part;
if (m == 4) {
V_IO_SREAD_WORD(naddr, 0, &d);
} else if (m == 3) {
v_io_sread(naddr, SIZE_3BYTE, 0, &d);
} else if (m == 2) {
V_IO_SREAD_HWORD(naddr, 0, &d);
} else if (m == 1) {
V_IO_SREAD_BYTE(naddr, 0, &d);
}
d.data_part <<= 8*(naddr&3);
d.data_part = ntohl(d.data_part);
//fprintf(LogFp, "read m %d n %d off %d naddr 0x%x 0x%x\n", m, n, off, naddr, d.data_part);
/* compare original n bytes up to min(n,m) bytes */
for(i = 0; i < (n < m ? n : m); i++) {
if (p[i] != q[off+i])
fprintf(LogFp, "MI block write/read @ 0x%x[%d of %d] expected 0x%x got 0x%x - failed\n", addr, i, n, p[i], q[i+off]);
}
}
done:
do_keep_alive_socket(0);
/* exit simulator */
if (do_quit) {
printf("Quit\n");
IoCmd(REQ_QUIT, 0);
}
if (fp)
fclose(fp);
if (IpcFd != -1)
IpcClose(IpcFd);
//fprintf(LogFp, "mi_random test done\n");
exit(0);
}
static void
usage(void)
{
printf("Usage: mi_random \n");
printf(" -l <log_file>\n");
printf(" -d <debug_flags in hex>\n");
printf(" -t <test=dram|bram|isram|v0sram|v1sram|v2sram>\n");
}