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authorMaciej W. Rozycki <macro@linux-mips.org>2005-06-13 20:12:01 +0000
committerRalf Baechle <ralf@linux-mips.org>2005-10-29 19:31:21 +0100
commitd925c262dd8bee2202b0d1b85ce0b332f48dd34b (patch)
treed62cded4387504ff0d4db5e737261f5fd50c1af4
parent9678e28b1ab931c35567cb15927b8c5e474934c3 (diff)
Fill R3k load delay slots properly.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
-rw-r--r--arch/mips/mm/tlbex.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/mips/mm/tlbex.c b/arch/mips/mm/tlbex.c
index 2e90c1d2d05..68d24b80053 100644
--- a/arch/mips/mm/tlbex.c
+++ b/arch/mips/mm/tlbex.c
@@ -1486,6 +1486,7 @@ static void __init build_r3000_tlb_load_handler(void)
build_r3000_tlbchange_handler_head(&p, K0, K1);
build_pte_present(&p, &l, &r, K0, K1, label_nopage_tlbl);
+ i_nop(&p); /* load delay */
build_make_valid(&p, &r, K0, K1);
build_r3000_pte_reload(&p, K1);
build_r3000_tlb_write(&p, &l, &r, K0);
@@ -1527,6 +1528,7 @@ static void __init build_r3000_tlb_store_handler(void)
build_r3000_tlbchange_handler_head(&p, K0, K1);
build_pte_writable(&p, &l, &r, K0, K1, label_nopage_tlbs);
+ i_nop(&p); /* load delay */
build_make_write(&p, &r, K0, K1);
build_r3000_pte_reload(&p, K1);
build_r3000_tlb_write(&p, &l, &r, K0);
@@ -1568,6 +1570,7 @@ static void __init build_r3000_tlb_modify_handler(void)
build_r3000_tlbchange_handler_head(&p, K0, K1);
build_pte_modifiable(&p, &l, &r, K0, K1, label_nopage_tlbm);
+ i_nop(&p); /* load delay */
build_make_write(&p, &r, K0, K1);
build_r3000_pte_reload(&p, K1);
i_tlbwi(&p);