| Line 31... |
Line 31... |
}
|
}
|
|
|
/* return value by making a syscall */
|
/* return value by making a syscall */
|
void exit (int i)
|
void exit (int i)
|
{
|
{
|
asm("l.add r3,r0,%0": : "r" (i));
|
__asm__ __volatile__ ("l.add r3,r0,%0\n\t"
|
asm("l.nop %0": :"K" (NOP_EXIT));
|
"l.nop %1": : "r" (i), "K" (NOP_EXIT));
|
while (1);
|
while (1);
|
}
|
}
|
|
|
/* activate printf support in simulator */
|
/* activate printf support in simulator */
|
void printf(const char *fmt, ...)
|
void printf(const char *fmt, ...)
|
{
|
{
|
va_list args;
|
va_list args;
|
va_start(args, fmt);
|
va_start(args, fmt);
|
__asm__ __volatile__ (" l.addi\tr3,%0,0\n": : "r" (fmt) : "r3", "r4");
|
__asm__ __volatile__ ("l.addi\tr3,%0,0\n\t"
|
__asm__ __volatile__ (" l.addi\tr4,%0,0\n": : "r" (args): "r3", "r4");
|
"l.addi\tr4,%1,0\n\t"
|
__asm__ __volatile__ (" l.nop %0": : "K" (NOP_PRINTF));
|
"l.nop %2"
|
|
: : "r" (fmt), "r" (args), "K" (NOP_PRINTF)
|
|
: "r3", "r4");
|
}
|
}
|
|
|
/* print long */
|
/* print long */
|
void report(unsigned long value)
|
void report(unsigned long value)
|
{
|
{
|
asm("l.addi\tr3,%0,0": :"r" (value));
|
__asm__ __volatile__ ("l.addi\tr3,%0,0\n\t"
|
asm("l.nop %0": :"K" (NOP_REPORT));
|
"l.nop %1": : "r" (value), "K" (NOP_REPORT));
|
}
|
}
|
|
|
/* just to satisfy linker */
|
/* just to satisfy linker */
|
void __main()
|
void __main()
|
{
|
{
|
| Line 78... |
Line 80... |
}
|
}
|
|
|
/* For writing into SPR. */
|
/* For writing into SPR. */
|
void mtspr(unsigned long spr, unsigned long value)
|
void mtspr(unsigned long spr, unsigned long value)
|
{
|
{
|
asm("l.mtspr\t\t%0,%1,0": : "r" (spr), "r" (value));
|
__asm__ __volatile__ ("l.mtspr\t\t%0,%1,0": : "r" (spr), "r" (value));
|
}
|
}
|
|
|
/* For reading SPR. */
|
/* For reading SPR. */
|
unsigned long mfspr(unsigned long spr)
|
unsigned long mfspr(unsigned long spr)
|
{
|
{
|
unsigned long value;
|
unsigned long value;
|
asm("l.mfspr\t\t%0,%1,0" : "=r" (value) : "r" (spr));
|
__asm__ __volatile__ ("l.mfspr\t\t%0,%1,0" : "=r" (value) : "r" (spr));
|
return value;
|
return value;
|
}
|
}
|
|
|
#else
|
#else
|
void report(unsigned long value)
|
void report(unsigned long value)
|
