The following two lines should be merged into one inst. It is the tlb
refill handler, quite time sensitive.
569 uasm_i_lui(p, tmp, PM_HUGE_MASK >> 16);
570 uasm_i_ori(p, tmp, tmp, PM_HUGE_MASK & 0xffff);
Merged to
uasm_i_lui(p, tmp, ((PM_HUGE_MASK & 0xffff) | (PM_HUGE_MASK >> 16));
/*********************** arch/mips/mm/tlbex.c ****************************/
560
561 static __cpuinit void build_huge_tlb_write_entry(u32 **p,
562 struct uasm_label **l,
563 struct uasm_reloc **r,
564 unsigned int tmp,
565 enum tlb_write_entry wmode,
566 int restore_scratch)
567 {
568 /* Set huge page tlb entry size */
569 uasm_i_lui(p, tmp, PM_HUGE_MASK >> 16);
570 uasm_i_ori(p, tmp, tmp, PM_HUGE_MASK & 0xffff);
571 uasm_i_mtc0(p, tmp, C0_PAGEMASK);
572
573 build_tlb_write_entry(p, l, r, wmode);
574
575 build_restore_pagemask(p, r, tmp, label_leave, restore_scratch);
576 }
577
complete kernel code:
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=blob;f=arch/mips/mm/tlbex.c;h=083d3412d0bccc7744ec151cd493de614d0375b8;hb=c723fdab8aa728dc2bf0da6a0de8bb9c3f588d84#l1294
