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machvec.c

#include <linux/module.h>
#include <linux/dma-mapping.h>
#include <asm/machvec.h>
#include <asm/system.h>

#ifdef CONFIG_IA64_GENERIC

#include <linux/kernel.h>
#include <linux/string.h>

#include <asm/page.h>

struct ia64_machine_vector ia64_mv;
EXPORT_SYMBOL(ia64_mv);

static struct ia64_machine_vector * __init
lookup_machvec (const char *name)
{
      extern struct ia64_machine_vector machvec_start[];
      extern struct ia64_machine_vector machvec_end[];
      struct ia64_machine_vector *mv;

      for (mv = machvec_start; mv < machvec_end; ++mv)
            if (strcmp (mv->name, name) == 0)
                  return mv;

      return 0;
}

void __init
machvec_init (const char *name)
{
      struct ia64_machine_vector *mv;

      if (!name)
            name = acpi_get_sysname();
      mv = lookup_machvec(name);
      if (!mv)
            panic("generic kernel failed to find machine vector for"
                  " platform %s!", name);

      ia64_mv = *mv;
      printk(KERN_INFO "booting generic kernel on platform %s\n", name);
}

void __init
machvec_init_from_cmdline(const char *cmdline)
{
      char str[64];
      const char *start;
      char *end;

      if (! (start = strstr(cmdline, "machvec=")) )
            return machvec_init(NULL);

      strlcpy(str, start + strlen("machvec="), sizeof(str));
      if ( (end = strchr(str, ' ')) )
            *end = '\0';

      return machvec_init(str);
}

#endif /* CONFIG_IA64_GENERIC */

void
machvec_setup (char **arg)
{
}
EXPORT_SYMBOL(machvec_setup);

void
machvec_timer_interrupt (int irq, void *dev_id)
{
}
EXPORT_SYMBOL(machvec_timer_interrupt);

void
machvec_dma_sync_single(struct device *hwdev, dma_addr_t dma_handle, size_t size,
                  enum dma_data_direction dir)
{
      mb();
}
EXPORT_SYMBOL(machvec_dma_sync_single);

void
machvec_dma_sync_sg(struct device *hwdev, struct scatterlist *sg, int n,
                enum dma_data_direction dir)
{
      mb();
}
EXPORT_SYMBOL(machvec_dma_sync_sg);

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