/* Support */
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/* Support */
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#include <sys/time.h>
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#include "spr_defs.h"
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#include "spr_defs.h"
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#include "support.h"
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#include "support.h"
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#include "int.h"
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#include "int.h"
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#if OR1K
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#if OR1K
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void excpt_dummy();
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void excpt_dummy();
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void int_main();
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void int_main();
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unsigned long excpt_buserr = (unsigned long) excpt_dummy;
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unsigned long excpt_buserr = (unsigned long) excpt_dummy;
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unsigned long excpt_dpfault = (unsigned long) excpt_dummy;
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unsigned long excpt_dpfault = (unsigned long) excpt_dummy;
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unsigned long excpt_ipfault = (unsigned long) excpt_dummy;
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unsigned long excpt_ipfault = (unsigned long) excpt_dummy;
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unsigned long excpt_tick = (unsigned long) excpt_dummy;
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unsigned long excpt_tick = (unsigned long) excpt_dummy;
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unsigned long excpt_align = (unsigned long) excpt_dummy;
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unsigned long excpt_align = (unsigned long) excpt_dummy;
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unsigned long excpt_illinsn = (unsigned long) excpt_dummy;
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unsigned long excpt_illinsn = (unsigned long) excpt_dummy;
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unsigned long excpt_int = (unsigned long) int_main;
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unsigned long excpt_int = (unsigned long) int_main;
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unsigned long excpt_dtlbmiss = (unsigned long) excpt_dummy;
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unsigned long excpt_dtlbmiss = (unsigned long) excpt_dummy;
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unsigned long excpt_itlbmiss = (unsigned long) excpt_dummy;
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unsigned long excpt_itlbmiss = (unsigned long) excpt_dummy;
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unsigned long excpt_range = (unsigned long) excpt_dummy;
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unsigned long excpt_range = (unsigned long) excpt_dummy;
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unsigned long excpt_syscall = (unsigned long) excpt_dummy;
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unsigned long excpt_syscall = (unsigned long) excpt_dummy;
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unsigned long excpt_break = (unsigned long) excpt_dummy;
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unsigned long excpt_break = (unsigned long) excpt_dummy;
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unsigned long excpt_trap = (unsigned long) excpt_dummy;
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unsigned long excpt_trap = (unsigned long) excpt_dummy;
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/* Start function, called by reset exception handler. */
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/* Start function, called by reset exception handler. */
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void reset ()
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void reset ()
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{
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{
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int i = main();
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int i = main();
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exit (i);
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exit (i);
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}
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}
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/* return value by making a syscall */
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/* return value by making a syscall */
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void exit (int i)
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void exit (int i)
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{
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{
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asm("l.add r3,r0,%0": : "r" (i));
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asm("l.add r3,r0,%0": : "r" (i));
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asm("l.nop %0": :"K" (NOP_EXIT));
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asm("l.nop %0": :"K" (NOP_EXIT));
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while (1);
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while (1);
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}
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}
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/* activate printf support in simulator */
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/* activate printf support in simulator */
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void printf(const char *fmt, ...)
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void printf(const char *fmt, ...)
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{
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{
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va_list args;
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va_list args;
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va_start(args, fmt);
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va_start(args, fmt);
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__asm__ __volatile__ (" l.addi\tr3,%0,0\n": : "r" (fmt) : "r3", "r4");
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__asm__ __volatile__ (" l.addi\tr3,%0,0\n": : "r" (fmt) : "r3", "r4");
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__asm__ __volatile__ (" l.addi\tr4,%0,0\n": : "r" (args): "r3", "r4");
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__asm__ __volatile__ (" l.addi\tr4,%0,0\n": : "r" (args): "r3", "r4");
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__asm__ __volatile__ (" l.nop %0": : "K" (NOP_PRINTF));
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__asm__ __volatile__ (" l.nop %0": : "K" (NOP_PRINTF));
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}
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}
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/* print long */
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/* print long */
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void report(unsigned long value)
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void report(unsigned long value)
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{
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{
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asm("l.addi\tr3,%0,0": :"r" (value));
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asm("l.addi\tr3,%0,0": :"r" (value));
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asm("l.nop %0": :"K" (NOP_REPORT));
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asm("l.nop %0": :"K" (NOP_REPORT));
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}
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}
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/* just to satisfy linker */
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/* just to satisfy linker */
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void __main()
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void __main()
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{
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{
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}
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}
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/* start_TIMER */
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/* start_TIMER */
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void start_timer(int x)
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void start_timer(int x)
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{
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{
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}
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}
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/* read_TIMER */
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/* read_TIMER */
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/* Returns a value since started in uS */
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/* Returns a value since started in uS */
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unsigned int read_timer(int x)
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unsigned int read_timer(int x)
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{
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{
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unsigned long count = 0;
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unsigned long count = 0;
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/* Read the Time Stamp Counter */
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/* Read the Time Stamp Counter */
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/* asm("simrdtsc %0" :"=r" (count)); */
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/* asm("simrdtsc %0" :"=r" (count)); */
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/*asm("l.sys 201"); */
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/*asm("l.sys 201"); */
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return count;
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return count;
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}
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}
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/* For writing into SPR. */
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/* For writing into SPR. */
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void mtspr(unsigned long spr, unsigned long value)
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void mtspr(unsigned long spr, unsigned long value)
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{
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{
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asm("l.mtspr\t\t%0,%1,0": : "r" (spr), "r" (value));
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asm("l.mtspr\t\t%0,%1,0": : "r" (spr), "r" (value));
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}
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}
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/* For reading SPR. */
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/* For reading SPR. */
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unsigned long mfspr(unsigned long spr)
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unsigned long mfspr(unsigned long spr)
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{
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{
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unsigned long value;
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unsigned long value;
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asm("l.mfspr\t\t%0,%1,0" : "=r" (value) : "r" (spr));
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asm("l.mfspr\t\t%0,%1,0" : "=r" (value) : "r" (spr));
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return value;
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return value;
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}
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}
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#else
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#else
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void report(unsigned long value)
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void report(unsigned long value)
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{
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{
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printf("report(0x%x);\n", (unsigned) value);
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printf("report(0x%x);\n", (unsigned) value);
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}
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}
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/* start_TIMER */
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/* start_TIMER */
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void start_timer(int tmrnum)
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void start_timer(int tmrnum)
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{
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{
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}
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}
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/* read_TIMER */
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/* read_TIMER */
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/* Returns a value since started in uS */
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/* Returns a value since started in uS */
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unsigned int read_timer(int tmrnum)
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unsigned int read_timer(int tmrnum)
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{
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{
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struct timeval tv;
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struct timeval tv;
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struct timezone tz;
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struct timezone tz;
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gettimeofday(&tv, &tz);
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gettimeofday(&tv, &tz);
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return(tv.tv_sec*1000000+tv.tv_usec);
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return(tv.tv_sec*1000000+tv.tv_usec);
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}
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}
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#endif
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#endif
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void *memcpy (void *__restrict dstvoid,
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void *memcpy (void *__restrict dstvoid,
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__const void *__restrict srcvoid, size_t length)
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__const void *__restrict srcvoid, size_t length)
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{
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{
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char *dst = dstvoid;
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char *dst = dstvoid;
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const char *src = (const char *) srcvoid;
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const char *src = (const char *) srcvoid;
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while (length--)
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while (length--)
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*dst++ = *src++;
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*dst++ = *src++;
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return dst;
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return dst;
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}
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}
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void excpt_dummy() {}
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void excpt_dummy() {}
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