757  * TMP and PTR are scratch.
847  * BVADDR is the faulting address, PTR is scratch.
923  * TMP and PTR are scratch.
1056 	const int scratch = 1; /* Our extra working register */  in build_fast_tlb_refill_handler()  local
1058 	rv.huge_pte = scratch;  in build_fast_tlb_refill_handler()
1071 			UASM_i_MTC0(p, scratch, c0_kscratch(), c0_scratch_reg);  in build_fast_tlb_refill_handler()
1073 			UASM_i_SW(p, scratch, scratchpad_offset(0), 0);  in build_fast_tlb_refill_handler()
1075 		uasm_i_dsrl_safe(p, scratch, tmp,  in build_fast_tlb_refill_handler()
1077 		uasm_il_bnez(p, r, scratch, label_vmalloc);  in build_fast_tlb_refill_handler()
1093 			UASM_i_MTC0(p, scratch, c0_kscratch(), c0_scratch_reg);  in build_fast_tlb_refill_handler()
1095 			UASM_i_SW(p, scratch, scratchpad_offset(0), 0);  in build_fast_tlb_refill_handler()
1113 #define LOC_PTEP scratch  in build_fast_tlb_refill_handler()
1120 		uasm_i_dsrl_safe(p, scratch, tmp, PGDIR_SHIFT - 3);  in build_fast_tlb_refill_handler()
1132 		uasm_i_dsrl_safe(p, scratch, tmp, PGDIR_SHIFT - 3);  in build_fast_tlb_refill_handler()
1137 	uasm_i_andi(p, scratch, scratch, (PTRS_PER_PGD - 1) << 3);  in build_fast_tlb_refill_handler()
1140 		UASM_i_LWX(p, LOC_PTEP, scratch, ptr);  in build_fast_tlb_refill_handler()
1142 		uasm_i_daddu(p, ptr, ptr, scratch); /* add in pgd offset */  in build_fast_tlb_refill_handler()
1148 	uasm_i_dsrl_safe(p, scratch, tmp, PUD_SHIFT - 3);  in build_fast_tlb_refill_handler()
1149 	uasm_i_andi(p, scratch, scratch, (PTRS_PER_PUD - 1) << 3);  in build_fast_tlb_refill_handler()
1152 		UASM_i_LWX(p, ptr, scratch, ptr);  in build_fast_tlb_refill_handler()
1154 		uasm_i_daddu(p, ptr, ptr, scratch); /* add in pmd offset */  in build_fast_tlb_refill_handler()
1163 	uasm_i_dsrl_safe(p, scratch, tmp, PMD_SHIFT - 3);  in build_fast_tlb_refill_handler()
1164 	uasm_i_andi(p, scratch, scratch, (PTRS_PER_PMD - 1) << 3);  in build_fast_tlb_refill_handler()
1168 		UASM_i_LWX(p, scratch, scratch, ptr);  in build_fast_tlb_refill_handler()
1170 		uasm_i_daddu(p, ptr, ptr, scratch); /* add in pmd offset */  in build_fast_tlb_refill_handler()
1171 		UASM_i_LW(p, scratch, 0, ptr);  in build_fast_tlb_refill_handler()
1178 	uasm_il_bbit1(p, r, scratch, ilog2(_PAGE_HUGE), label_tlb_huge_update);  in build_fast_tlb_refill_handler()
1193 		UASM_i_LWX(p, even, scratch, tmp);  in build_fast_tlb_refill_handler()
1195 		UASM_i_LWX(p, odd, scratch, tmp);  in build_fast_tlb_refill_handler()
1197 		UASM_i_ADDU(p, ptr, scratch, tmp); /* add in offset */  in build_fast_tlb_refill_handler()
1216 		UASM_i_MFC0(p, scratch, c0_kscratch(), c0_scratch_reg);  in build_fast_tlb_refill_handler()
1223 		UASM_i_LW(p, scratch, scratchpad_offset(0), 0);  in build_fast_tlb_refill_handler()
1225 		UASM_i_LW(p, scratch, scratchpad_offset(0), 0);  in build_fast_tlb_refill_handler()
1591 	/* if pgd_reg is allocated, save PGD also to scratch register */  in build_setup_pgd()
1636 	unsigned int mode, unsigned int scratch)  in iPTE_SW()  argument
1642 		uasm_i_lui(p, scratch, swmode >> 16);  in iPTE_SW()
1643 		uasm_i_or(p, pte, pte, scratch);  in iPTE_SW()
1704 		  int pte, int ptr, int scratch, enum label_id lid)  in build_pte_present()  argument
1706 	int t = scratch >= 0 ? scratch : pte;  in build_pte_present()
1742 		 unsigned int ptr, unsigned int scratch)  in build_make_valid()  argument
1746 	iPTE_SW(p, r, pte, ptr, mode, scratch);  in build_make_valid()
1755 		   unsigned int pte, unsigned int ptr, int scratch,  in build_pte_writable()  argument
1758 	int t = scratch >= 0 ? scratch : pte;  in build_pte_writable()
1782 		 unsigned int ptr, unsigned int scratch)  in build_make_write()  argument
1787 	iPTE_SW(p, r, pte, ptr, mode, scratch);  in build_make_write()
1796 		     unsigned int pte, unsigned int ptr, int scratch,  in build_pte_modifiable()  argument
1803 		int t = scratch >= 0 ? scratch : pte;  in build_pte_modifiable()