virage.c
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#include "ultra64.h"
#include "os_bb.h"
#include "bcp.h"
#include "virage.h"
#include "nvram_test.h"
#include "nvram_util.h"
#include "nu64sys.h"
#include "graph.h"
#define PRINTF osSyncPrintf
/*
* Thread and stack structures
*/
char bootStack[STACKSIZE] __attribute__ ((aligned (8)));
static OSThread idleThread;
static char idleThreadStack[STACKSIZE] __attribute__ ((aligned (8)));
static OSThread mainThread;
static char mainThreadStack[STACKSIZE] __attribute__ ((aligned (8)));
static void idleproc(char *);
static void mainproc(char *);
static void run();
void
boot(void)
{
__osBbVideoPllInit(OS_TV_NTSC);
osInitialize();
osCreateThread(&idleThread, 1, (void(*)(void *))idleproc, (void *)0,
idleThreadStack+STACKSIZE, 8);
osStartThread(&idleThread);
}
static void
idleproc(char *argv) /* priority 8 */
{
osCreateViManager(OS_PRIORITY_VIMGR);
#if SCREEN_LOW
osViSetMode(&osViModeTable[OS_VI_NTSC_LPN1]);
#else
osViSetMode(&osViModeTable[OS_VI_NTSC_HPF1]);
#endif
/*
* The main thread's priority must be the same or lower than the original
* idle's thread priority. This allows the idle thread to change its
* priority to 0 before the main thread starts execution.
*/
osCreateThread(&mainThread, 3, (void(*)(void *))mainproc, argv,
mainThreadStack+STACKSIZE/8, (OSPri)7);
osStartThread(&mainThread);
osSetThreadPri(0, OS_PRIORITY_IDLE);
for(;;); /* idle thread */
}
static OSMesgQueue retraceMessageQ;
static OSMesg dummyMessage, retraceMessageBuf;
static u16 cfb[SCREEN_WD*SCREEN_HT] __attribute__((aligned(64)));
static void clear(u16 bg) {
int i;
for (i = 0; i < SCREEN_WD*SCREEN_HT; ++i) {
cfb[i] = bg;
}
}
static void
mainproc(char *argv) {
osCreateMesgQueue(&retraceMessageQ, &retraceMessageBuf, 1);
osViSetEvent(&retraceMessageQ, dummyMessage, 1);
osViBlack(1);
osViSwapBuffer(cfb);
clear(0);
osViBlack(0);
osWritebackDCacheAll();
osViSwapBuffer(cfb);
run();
for(;;) ;
}
static void run(void)
{
int loops = 0;
int sysclk_scale = 1;
int fail = 0;
u32 starttime;
u32 endtime;
starttime= osGetCount();
for(loops = 0; loops < 100; loops++) {
if (nms_store_test(sysclk_scale, VIRAGE0_CTRL_REG, 16, 0) != PASS) {
sprintf(buf, "VIRAGE0 def store %d FAIL", loops);
printstr(white, 3, 2, buf);
osWritebackDCacheAll();
fail = 1;
} else {
sprintf(buf, "VIRAGE0 def store %d PASS", loops);
printstr(white, 3, 2, buf);
osWritebackDCacheAll();
}
}
endtime = osGetCount();
bzero(buf, sizeof(buf));
sprintf(buf, "Time taken = %llu", OS_CYCLES_TO_USEC(endtime - starttime));
printstr(white, 3, 4, buf);
osWritebackDCacheAll();
if(fail == 1){
sprintf(buf, "****FAILED**********");
printstr(white, 3, 12, buf);
osWritebackDCacheAll();
}
starttime= osGetCount();
fail = 0;
for(loops = 0; loops < 100; loops++){
if (nms_store_test(sysclk_scale, VIRAGE1_CTRL_REG, 16, 0) != PASS) {
sprintf(buf, "VIRAGE1 def store %d FAIL", loops);
printstr(white, 3, 6, buf);
osWritebackDCacheAll();
fail = 1;
} else {
sprintf(buf, "VIRAGE1 def store %d PASS", loops);
printstr(white, 3, 6, buf);
osWritebackDCacheAll();
}
}
endtime = osGetCount();
bzero(buf, sizeof(buf));
sprintf(buf, "Time taken = %llu", OS_CYCLES_TO_USEC(endtime - starttime));
printstr(white, 3, 8, buf);
osWritebackDCacheAll();
if(fail == 1){
sprintf(buf, "****FAILED**********");
printstr(white, 3, 12, buf);
osWritebackDCacheAll();
}
fail = 0;
starttime= osGetCount();
for(loops = 0; loops < 100; loops++){
if (nms_store_test(sysclk_scale, VIRAGE2_CTRL_REG, 64, 0) != PASS) {
sprintf(buf, "VIRAGE2 def store %d FAIL", loops);
printstr(white, 3, 10, buf);
osWritebackDCacheAll();
fail = 1;
} else {
sprintf(buf, "VIRAGE2 def store %d PASS", loops);
printstr(white, 3, 10, buf);
osWritebackDCacheAll();
}
}
endtime = osGetTime();
bzero(buf, sizeof(buf));
sprintf(buf, "Time taken = %llu", OS_CYCLES_TO_USEC(endtime - starttime));
printstr(white, 3, 12, buf);
osWritebackDCacheAll();
if(fail == 1){
sprintf(buf, "****FAILED**********");
printstr(white, 3, 12, buf);
osWritebackDCacheAll();
}
for(;;);
}