diff options
Diffstat (limited to 'arch/microblaze/kernel/hw_exception_handler.S')
| -rw-r--r-- | arch/microblaze/kernel/hw_exception_handler.S | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/arch/microblaze/kernel/hw_exception_handler.S b/arch/microblaze/kernel/hw_exception_handler.S index e62be837960..aa510f450ac 100644 --- a/arch/microblaze/kernel/hw_exception_handler.S +++ b/arch/microblaze/kernel/hw_exception_handler.S @@ -820,19 +820,26 @@ ex_handler_done: * Upon exit, we reload everything and RFI. * A common place to load the TLB. */ +.section .data +.align 4 +.global tlb_skip + tlb_skip: + .long MICROBLAZE_TLB_SKIP tlb_index: - .long 1 /* MS: storing last used tlb index */ + /* MS: storing last used tlb index */ + .long MICROBLAZE_TLB_SIZE/2 +.previous finish_tlb_load: /* MS: load the last used TLB index. */ lwi r5, r0, TOPHYS(tlb_index) addik r5, r5, 1 /* MS: inc tlb_index -> use next one */ /* MS: FIXME this is potential fault, because this is mask not count */ - andi r5, r5, (MICROBLAZE_TLB_SIZE-1) + andi r5, r5, MICROBLAZE_TLB_SIZE - 1 ori r6, r0, 1 cmp r31, r5, r6 blti r31, ex12 - addik r5, r6, 1 + lwi r5, r0, TOPHYS(tlb_skip) ex12: /* MS: save back current TLB index */ swi r5, r0, TOPHYS(tlb_index) |