LXR linux/arch/ia64/kernel/machvec.c

   1#include <linux/module.h>
   2#include <linux/dma-mapping.h>
   3#include <asm/machvec.h>
   4
   5#ifdef CONFIG_IA64_GENERIC
   6
   7#include <linux/kernel.h>
   8#include <linux/string.h>
   9
  10#include <asm/page.h>
  11
  12struct ia64_machine_vector ia64_mv;
  13EXPORT_SYMBOL(ia64_mv);
  14
  15static struct ia64_machine_vector * __init
  16lookup_machvec (const char *name)
  17{
  18        extern struct ia64_machine_vector machvec_start[];
  19        extern struct ia64_machine_vector machvec_end[];
  20        struct ia64_machine_vector *mv;
  21
  22        for (mv = machvec_start; mv < machvec_end; ++mv)
  23                if (strcmp (mv->name, name) == 0)
  24                        return mv;
  25
  26        return 0;
  27}
  28
  29void __init
  30machvec_init (const char *name)
  31{
  32        struct ia64_machine_vector *mv;
  33
  34        if (!name)
  35                name = acpi_get_sysname();
  36        mv = lookup_machvec(name);
  37        if (!mv)
  38                panic("generic kernel failed to find machine vector for"
  39                      " platform %s!", name);
  40
  41        ia64_mv = *mv;
  42        printk(KERN_INFO "booting generic kernel on platform %s\n", name);
  43}
  44
  45void __init
  46machvec_init_from_cmdline(const char *cmdline)
  47{
  48        char str[64];
  49        const char *start;
  50        char *end;
  51
  52        if (! (start = strstr(cmdline, "machvec=")) )
  53                return machvec_init(NULL);
  54
  55        strlcpy(str, start + strlen("machvec="), sizeof(str));
  56        if ( (end = strchr(str, ' ')) )
  57                *end = '\0';
  58
  59        return machvec_init(str);
  60}
  61
  62#endif /* CONFIG_IA64_GENERIC */
  63
  64void
  65machvec_setup (char **arg)
  66{
  67}
  68EXPORT_SYMBOL(machvec_setup);
  69
  70void
  71machvec_timer_interrupt (int irq, void *dev_id)
  72{
  73}
  74EXPORT_SYMBOL(machvec_timer_interrupt);
  75
  76void
  77machvec_dma_sync_single(struct device *hwdev, dma_addr_t dma_handle, size_t size,
  78                        enum dma_data_direction dir)
  79{
  80        mb();
  81}
  82EXPORT_SYMBOL(machvec_dma_sync_single);
  83
  84void
  85machvec_dma_sync_sg(struct device *hwdev, struct scatterlist *sg, int n,
  86                    enum dma_data_direction dir)
  87{
  88        mb();
  89}
  90EXPORT_SYMBOL(machvec_dma_sync_sg);
  91