1 #include <linux/config.h>
2 
3 #ifdef CONFIG_IA64_GENERIC
4 
5 #include <linux/kernel.h>
6 #include <linux/string.h>
7 
8 #include <asm/page.h>
9 #include <asm/machvec.h>
10 
11 struct ia64_machine_vector ia64_mv;
12 
13 /*
14  * Most platforms use this routine for mapping page frame addresses
15  * into a memory map index.
16  */
17 unsigned long
map_nr_dense(void * addr)18 map_nr_dense (void *addr)
19 {
20 	return MAP_NR_DENSE(addr);
21 }
22 
23 static struct ia64_machine_vector *
lookup_machvec(const char * name)24 lookup_machvec (const char *name)
25 {
26 	extern struct ia64_machine_vector machvec_start[];
27 	extern struct ia64_machine_vector machvec_end[];
28 	struct ia64_machine_vector *mv;
29 
30 	for (mv = machvec_start; mv < machvec_end; ++mv)
31 		if (strcmp (mv->name, name) == 0)
32 			return mv;
33 
34 	return 0;
35 }
36 
37 void
machvec_init(const char * name)38 machvec_init (const char *name)
39 {
40 	struct ia64_machine_vector *mv;
41 
42 	mv = lookup_machvec(name);
43 	if (!mv) {
44 		panic("generic kernel failed to find machine vector for platform %s!", name);
45 	}
46 	ia64_mv = *mv;
47 	printk(KERN_INFO "booting generic kernel on platform %s\n", name);
48 }
49 
50 #endif /* CONFIG_IA64_GENERIC */
51 
52 void
machvec_noop(void)53 machvec_noop (void)
54 {
55 }
56