src/mainboard/tyan/s1846/failover.c


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32

#define ASSEMBLY 1
#include <stdint.h>
#include <device/pci_def.h>
#include <device/pci_ids.h>
#include <arch/io.h>
#include "arch/romcc_io.h"
#include "pc80/mc146818rtc_early.c"

static unsigned long main(unsigned long bist)
{
	/* This is the primary cpu how should I boot? */
	if (do_normal_boot()) {
		goto normal_image;
	}
	else {
		goto fallback_image;
	}
 normal_image:
	asm volatile ("jmp __normal_image" 
		: /* outputs */ 
		: "a" (bist) /* inputs */
		: /* clobbers */
		);
 cpu_reset:
	asm volatile ("jmp __cpu_reset"
		: /* outputs */ 
		: "a"(bist) /* inputs */
		: /* clobbers */
		);
 fallback_image:
	return bist;
}