1 #include <linux/module.h>
2
3 #include <asm/machvec.h>
4 #include <asm/system.h>
5
6 #ifdef CONFIG_IA64_GENERIC
7
8 #include <linux/kernel.h>
9 #include <linux/string.h>
10
11 #include <asm/page.h>
12
13 struct ia64_machine_vector ia64_mv;
14 EXPORT_SYMBOL(ia64_mv);
15
16 static struct ia64_machine_vector * __init
lookup_machvec(const char * name)17 lookup_machvec (const char *name)
18 {
19 extern struct ia64_machine_vector machvec_start[];
20 extern struct ia64_machine_vector machvec_end[];
21 struct ia64_machine_vector *mv;
22
23 for (mv = machvec_start; mv < machvec_end; ++mv)
24 if (strcmp (mv->name, name) == 0)
25 return mv;
26
27 return 0;
28 }
29
30 void __init
machvec_init(const char * name)31 machvec_init (const char *name)
32 {
33 struct ia64_machine_vector *mv;
34
35 if (!name)
36 name = acpi_get_sysname();
37 mv = lookup_machvec(name);
38 if (!mv)
39 panic("generic kernel failed to find machine vector for"
40 " platform %s!", name);
41
42 ia64_mv = *mv;
43 printk(KERN_INFO "booting generic kernel on platform %s\n", name);
44 }
45
46 void __init
machvec_init_from_cmdline(const char * cmdline)47 machvec_init_from_cmdline(const char *cmdline)
48 {
49 char str[64];
50 const char *start;
51 char *end;
52
53 if (! (start = strstr(cmdline, "machvec=")) )
54 return machvec_init(NULL);
55
56 strlcpy(str, start + strlen("machvec="), sizeof(str));
57 if ( (end = strchr(str, ' ')) )
58 *end = '\0';
59
60 return machvec_init(str);
61 }
62
63 #endif /* CONFIG_IA64_GENERIC */
64
65 void
machvec_setup(char ** arg)66 machvec_setup (char **arg)
67 {
68 }
69 EXPORT_SYMBOL(machvec_setup);
70
71 void
machvec_timer_interrupt(int irq,void * dev_id)72 machvec_timer_interrupt (int irq, void *dev_id)
73 {
74 }
75 EXPORT_SYMBOL(machvec_timer_interrupt);
76
77 void
machvec_dma_sync_single(struct device * hwdev,dma_addr_t dma_handle,size_t size,int dir)78 machvec_dma_sync_single (struct device *hwdev, dma_addr_t dma_handle, size_t size, int dir)
79 {
80 mb();
81 }
82 EXPORT_SYMBOL(machvec_dma_sync_single);
83
84 void
machvec_dma_sync_sg(struct device * hwdev,struct scatterlist * sg,int n,int dir)85 machvec_dma_sync_sg (struct device *hwdev, struct scatterlist *sg, int n, int dir)
86 {
87 mb();
88 }
89 EXPORT_SYMBOL(machvec_dma_sync_sg);
90