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Initial revision

/*	$OpenBSD: crt.c,v 1.2 2004/01/25 14:55:39 miod Exp $ */

#include <sys/types.h>
#include <machine/prom.h>

struct mvmeprom_args bugargs = { 1};	       /* not BSS */

_start()
{
	register int dev_lun asm (MVMEPROM_REG_DEVLUN);
	register int ctrl_lun asm (MVMEPROM_REG_CTRLLUN);
	register int flags asm (MVMEPROM_REG_SCSUPP);
	register int ctrl_addr asm (MVMEPROM_REG_CTRLADDR);
	register int entry asm (MVMEPROM_REG_ENTRY);
	register int conf_blk asm (MVMEPROM_REG_IPA);
	register char *arg_start asm (MVMEPROM_REG_ARGSTART);
	register char *arg_end asm (MVMEPROM_REG_ARGEND);
	register char *nbarg_start asm (MVMEPROM_REG_NBARGSTART);
	register char *nbarg_end asm (MVMEPROM_REG_NBARGEND);
	extern int edata, end;
	struct mvmeprom_brdid *id, *mvmeprom_brdid();

	bugargs.dev_lun = dev_lun;
	bugargs.ctrl_lun = ctrl_lun;
	bugargs.flags = flags;
	bugargs.ctrl_addr = ctrl_addr;
	bugargs.entry = entry;
	bugargs.conf_blk = conf_blk;
	bugargs.arg_start = arg_start;
	bugargs.arg_end = arg_end;
	bugargs.nbarg_start = nbarg_start;
	bugargs.nbarg_end = nbarg_end;
	*bugargs.arg_end = 0;      
	*bugargs.nbarg_end = 0;      

	id = mvmeprom_brdid();
	bugargs.cputyp = id->model;

	memset(&edata, 0, ((int)&end - (int)&edata));

	asm  ("#	main()");
	main();
	mvmeprom_return();
	/* NOTREACHED */
}

__main()
{
}

void
bugexec(addr)
	void (*addr)();
{
	register int dev_lun asm (MVMEPROM_REG_DEVLUN);
	register int ctrl_lun asm (MVMEPROM_REG_CTRLLUN);
	register int flags asm (MVMEPROM_REG_SCSUPP);
	register int ctrl_addr asm (MVMEPROM_REG_CTRLADDR);
	register int entry asm (MVMEPROM_REG_ENTRY);
	register int conf_blk asm (MVMEPROM_REG_IPA);
	register char *arg_start asm (MVMEPROM_REG_ARGSTART);
	register char *arg_end asm (MVMEPROM_REG_ARGEND);

	dev_lun = bugargs.dev_lun;
	ctrl_lun = bugargs.ctrl_lun;
	flags = bugargs.flags;
	ctrl_addr = bugargs.ctrl_addr;
	entry = bugargs.entry;
	conf_blk = bugargs.conf_blk;
	arg_start = bugargs.arg_start;
	arg_end = bugargs.arg_end;

	(*addr)();
	printf("bugexec: 0x%x returned!\n", addr);

	_rtt();
}