OpenCloudOS-Kernel/arch/ia64/kernel/machvec.c

82 lines
1.6 KiB
C

#include <linux/config.h>
#include <linux/module.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 __initdata const char *mvec_name;
static __init int setup_mvec(char *s)
{
mvec_name = s;
return 0;
}
early_param("machvec", setup_mvec);
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
machvec_init (const char *name)
{
struct ia64_machine_vector *mv;
if (!name)
name = mvec_name ? mvec_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);
}
#endif /* CONFIG_IA64_GENERIC */
void
machvec_setup (char **arg)
{
}
EXPORT_SYMBOL(machvec_setup);
void
machvec_timer_interrupt (int irq, void *dev_id, struct pt_regs *regs)
{
}
EXPORT_SYMBOL(machvec_timer_interrupt);
void
machvec_dma_sync_single (struct device *hwdev, dma_addr_t dma_handle, size_t size, int dir)
{
mb();
}
EXPORT_SYMBOL(machvec_dma_sync_single);
void
machvec_dma_sync_sg (struct device *hwdev, struct scatterlist *sg, int n, int dir)
{
mb();
}
EXPORT_SYMBOL(machvec_dma_sync_sg);