/* Written 2000 by Andi Kleen */ #ifndef __ARCH_DESC_H #define __ARCH_DESC_H #include #include #ifndef __ASSEMBLY__ #include #include static inline void set_tss_desc(unsigned cpu, void *addr) { struct desc_struct *d = get_cpu_gdt_table(cpu); tss_desc tss; /* * sizeof(unsigned long) coming from an extra "long" at the end * of the iobitmap. See tss_struct definition in processor.h * * -1? seg base+limit should be pointing to the address of the * last valid byte */ set_tssldt_descriptor(&tss, (unsigned long)addr, DESC_TSS, IO_BITMAP_OFFSET + IO_BITMAP_BYTES + sizeof(unsigned long) - 1); write_gdt_entry(d, GDT_ENTRY_TSS, &tss, DESC_TSS); } #endif /* !__ASSEMBLY__ */ #endif