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#ifndef __ARCH_DESC_H
#define __ARCH_DESC_H
#include <asm/ldt.h>
#include <asm/segment.h>
#include <asm/desc_defs.h>
#ifndef __ASSEMBLY__
#include <linux/preempt.h>
#include <linux/percpu.h>
extern void set_intr_gate(unsigned int irq, void * addr);
static inline void pack_gate(gate_desc *gate,
unsigned long base, unsigned short seg, unsigned char type, unsigned char flags)
{
gate->a = (seg << 16) | (base & 0xffff);
gate->b = (base & 0xffff0000) | ((type & 0xff) << 8) | (flags & 0xff);
}
static inline void _set_gate(int gate, unsigned int type, void *addr, unsigned short seg)
{
gate_desc g;
pack_gate(&g, (unsigned long)addr, seg, type, 0);
write_idt_entry(idt_table, gate, &g);
}
static inline void __set_tss_desc(unsigned int cpu, unsigned int entry, const void *addr)
{
tss_desc tss;
pack_descriptor(&tss, (unsigned long)addr,
offsetof(struct tss_struct, __cacheline_filler) - 1,
DESC_TSS, 0);
write_gdt_entry(get_cpu_gdt_table(cpu), entry, &tss, DESC_TSS);
}
#define set_tss_desc(cpu,addr) __set_tss_desc(cpu, GDT_ENTRY_TSS, addr)
#endif /* !__ASSEMBLY__ */
#endif
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