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

   1#include <linux/module.h>
   2#include <linux/dma-mapping.h>
   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
  13struct ia64_machine_vector ia64_mv;
  14EXPORT_SYMBOL(ia64_mv);
  15
  16static struct ia64_machine_vector * __init
  17lookup_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
  30void __init
  31machvec_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
  46void __init
  47machvec_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
  65void
  66machvec_setup (char **arg)
  67{
  68}
  69EXPORT_SYMBOL(machvec_setup);
  70
  71void
  72machvec_timer_interrupt (int irq, void *dev_id)
  73{
  74}
  75EXPORT_SYMBOL(machvec_timer_interrupt);
  76
  77void
  78machvec_dma_sync_single(struct device *hwdev, dma_addr_t dma_handle, size_t size,
  79                        enum dma_data_direction dir)
  80{
  81        mb();
  82}
  83EXPORT_SYMBOL(machvec_dma_sync_single);
  84
  85void
  86machvec_dma_sync_sg(struct device *hwdev, struct scatterlist *sg, int n,
  87                    enum dma_data_direction dir)
  88{
  89        mb();
  90}
  91EXPORT_SYMBOL(machvec_dma_sync_sg);
  92