diff options
Diffstat (limited to 'arch/loongarch/mm/tlb.c')
| -rw-r--r-- | arch/loongarch/mm/tlb.c | 27 |
1 files changed, 12 insertions, 15 deletions
diff --git a/arch/loongarch/mm/tlb.c b/arch/loongarch/mm/tlb.c index 0b95d32b30c9..5ac9beb5f093 100644 --- a/arch/loongarch/mm/tlb.c +++ b/arch/loongarch/mm/tlb.c @@ -9,8 +9,9 @@ #include <linux/hugetlb.h> #include <linux/export.h> -#include <asm/cpu.h> #include <asm/bootinfo.h> +#include <asm/cpu.h> +#include <asm/exception.h> #include <asm/mmu_context.h> #include <asm/pgtable.h> #include <asm/tlb.h> @@ -266,24 +267,20 @@ static void setup_tlb_handler(int cpu) setup_ptwalker(); local_flush_tlb_all(); + if (cpu_has_ptw) { + exception_table[EXCCODE_TLBI] = handle_tlb_load_ptw; + exception_table[EXCCODE_TLBL] = handle_tlb_load_ptw; + exception_table[EXCCODE_TLBS] = handle_tlb_store_ptw; + exception_table[EXCCODE_TLBM] = handle_tlb_modify_ptw; + } + /* The tlb handlers are generated only once */ if (cpu == 0) { memcpy((void *)tlbrentry, handle_tlb_refill, 0x80); local_flush_icache_range(tlbrentry, tlbrentry + 0x80); - if (!cpu_has_ptw) { - set_handler(EXCCODE_TLBI * VECSIZE, handle_tlb_load, VECSIZE); - set_handler(EXCCODE_TLBL * VECSIZE, handle_tlb_load, VECSIZE); - set_handler(EXCCODE_TLBS * VECSIZE, handle_tlb_store, VECSIZE); - set_handler(EXCCODE_TLBM * VECSIZE, handle_tlb_modify, VECSIZE); - } else { - set_handler(EXCCODE_TLBI * VECSIZE, handle_tlb_load_ptw, VECSIZE); - set_handler(EXCCODE_TLBL * VECSIZE, handle_tlb_load_ptw, VECSIZE); - set_handler(EXCCODE_TLBS * VECSIZE, handle_tlb_store_ptw, VECSIZE); - set_handler(EXCCODE_TLBM * VECSIZE, handle_tlb_modify_ptw, VECSIZE); - } - set_handler(EXCCODE_TLBNR * VECSIZE, handle_tlb_protect, VECSIZE); - set_handler(EXCCODE_TLBNX * VECSIZE, handle_tlb_protect, VECSIZE); - set_handler(EXCCODE_TLBPE * VECSIZE, handle_tlb_protect, VECSIZE); + + for (int i = EXCCODE_TLBL; i <= EXCCODE_TLBPE; i++) + set_handler(i * VECSIZE, exception_table[i], VECSIZE); } else { int vec_sz __maybe_unused; void *addr __maybe_unused; |