arch/ia64/kernel/machvec.c

   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 __initdata const char *mvec_name;
  17 static __init int setup_mvec(char *s)
  18 {
  19         mvec_name = s;
  20         return 0;
  21 }
  22 early_param("machvec", setup_mvec);
  23
  24 static struct ia64_machine_vector * __init
  25 lookup_machvec (const char *name)
  26 {
  27         extern struct ia64_machine_vector machvec_start[];
  28         extern struct ia64_machine_vector machvec_end[];
  29         struct ia64_machine_vector *mv;
  30
  31         for (mv = machvec_start; mv < machvec_end; ++mv)
  32                 if (strcmp (mv->name, name) == 0)
  33                         return mv;
  34
  35         return 0;
  36 }
  37
  38 void __init
  39 machvec_init (const char *name)
  40 {
  41         struct ia64_machine_vector *mv;
  42
  43         if (!name)
  44                 name = mvec_name ? mvec_name : acpi_get_sysname();
  45         mv = lookup_machvec(name);
  46         if (!mv)
  47                 panic("generic kernel failed to find machine vector for"
  48                       " platform %s!", name);
  49
  50         ia64_mv = *mv;
  51         printk(KERN_INFO "booting generic kernel on platform %s\n", name);
  52 }
  53
  54 #endif /* CONFIG_IA64_GENERIC */
  55
  56 void
  57 machvec_setup (char **arg)
  58 {
  59 }
  60 EXPORT_SYMBOL(machvec_setup);
  61
  62 void
  63 machvec_timer_interrupt (int irq, void *dev_id)
  64 {
  65 }
  66 EXPORT_SYMBOL(machvec_timer_interrupt);
  67
  68 void
  69 machvec_dma_sync_single (struct device *hwdev, dma_addr_t dma_handle, size_t size, int dir)
  70 {
  71         mb();
  72 }
  73 EXPORT_SYMBOL(machvec_dma_sync_single);
  74
  75 void
  76 machvec_dma_sync_sg (struct device *hwdev, struct scatterlist *sg, int n, int dir)
  77 {
  78         mb();
  79 }
  80 EXPORT_SYMBOL(machvec_dma_sync_sg);