newlib-cygwin/newlib/libc/sys/h8500hms/crt0.c

33 lines
528 B
C

extern char _start_bss;
extern char end;
extern char stack;
static zeroandrun();
#pragma noprolog
start()
{
asm("mov.w #%off(_stack),sp");
/* asm("ldc.w #0x700,sr");*/
asm("ldc.b #%page(_stack),tp");
asm("ldc.b #%page(_stack),dp");
asm("ldc.b #%page(_stack),ep");
/* Can't have anything else in here, since the fp won't be set up
so local variables won't work */
zeroandrun();
}
static
zeroandrun()
{
char *p;
p = &_start_bss;
while (p < &end)
{
*p++ = 0;
}
main();
_exit();
}