diff options
Diffstat (limited to 'arch/loongarch/mm/tlbex.S')
| -rw-r--r-- | arch/loongarch/mm/tlbex.S | 27 |
1 files changed, 24 insertions, 3 deletions
diff --git a/arch/loongarch/mm/tlbex.S b/arch/loongarch/mm/tlbex.S index 244e2f5aeee5..4ad78703de6f 100644 --- a/arch/loongarch/mm/tlbex.S +++ b/arch/loongarch/mm/tlbex.S @@ -184,12 +184,19 @@ tlb_huge_update_load: ertn nopage_tlb_load: - dbar 0 + dbar 0x700 csrrd ra, EXCEPTION_KS2 la_abs t0, tlb_do_page_fault_0 jr t0 SYM_FUNC_END(handle_tlb_load) +SYM_FUNC_START(handle_tlb_load_ptw) + csrwr t0, LOONGARCH_CSR_KS0 + csrwr t1, LOONGARCH_CSR_KS1 + la_abs t0, tlb_do_page_fault_0 + jr t0 +SYM_FUNC_END(handle_tlb_load_ptw) + SYM_FUNC_START(handle_tlb_store) csrwr t0, EXCEPTION_KS0 csrwr t1, EXCEPTION_KS1 @@ -333,12 +340,19 @@ tlb_huge_update_store: ertn nopage_tlb_store: - dbar 0 + dbar 0x700 csrrd ra, EXCEPTION_KS2 la_abs t0, tlb_do_page_fault_1 jr t0 SYM_FUNC_END(handle_tlb_store) +SYM_FUNC_START(handle_tlb_store_ptw) + csrwr t0, LOONGARCH_CSR_KS0 + csrwr t1, LOONGARCH_CSR_KS1 + la_abs t0, tlb_do_page_fault_1 + jr t0 +SYM_FUNC_END(handle_tlb_store_ptw) + SYM_FUNC_START(handle_tlb_modify) csrwr t0, EXCEPTION_KS0 csrwr t1, EXCEPTION_KS1 @@ -480,12 +494,19 @@ tlb_huge_update_modify: ertn nopage_tlb_modify: - dbar 0 + dbar 0x700 csrrd ra, EXCEPTION_KS2 la_abs t0, tlb_do_page_fault_1 jr t0 SYM_FUNC_END(handle_tlb_modify) +SYM_FUNC_START(handle_tlb_modify_ptw) + csrwr t0, LOONGARCH_CSR_KS0 + csrwr t1, LOONGARCH_CSR_KS1 + la_abs t0, tlb_do_page_fault_1 + jr t0 +SYM_FUNC_END(handle_tlb_modify_ptw) + SYM_FUNC_START(handle_tlb_refill) csrwr t0, LOONGARCH_CSR_TLBRSAVE csrrd t0, LOONGARCH_CSR_PGD |