From: Bibo Mao <maobibo@loongson.cn>
Date: Wed, 3 Sep 2025 02:46:01 +0000 (+0800)
Subject: target/loongarch: Use mmu idx bitmap method when flush TLB
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=2dad56b50d895925cd5b687bce444e90b7c132ae;p=thirdparty%2Fqemu.git

target/loongarch: Use mmu idx bitmap method when flush TLB

With API tlb_flush_range_by_mmuidx(), bitmap of mmu idx should be used
rather than itself. Also bitmap of MMU_KERNEL_IDX and MMU_USER_IDX are
used rather than that of current running mmu idx when flush TLB.

Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
---

diff --git a/target/loongarch/tcg/tlb_helper.c b/target/loongarch/tcg/tlb_helper.c
index 9365860c8c9..0c31a346fe9 100644
--- a/target/loongarch/tcg/tlb_helper.c
+++ b/target/loongarch/tcg/tlb_helper.c
@@ -101,8 +101,7 @@ static void invalidate_tlb_entry(CPULoongArchState *env, int index)
     target_ulong addr, mask, pagesize;
     uint8_t tlb_ps;
     LoongArchTLB *tlb = &env->tlb[index];
-
-    int mmu_idx = cpu_mmu_index(env_cpu(env), false);
+    int idxmap = BIT(MMU_KERNEL_IDX) | BIT(MMU_USER_IDX);
     uint8_t tlb_v0 = FIELD_EX64(tlb->tlb_entry0, TLBENTRY, V);
     uint8_t tlb_v1 = FIELD_EX64(tlb->tlb_entry1, TLBENTRY, V);
     uint64_t tlb_vppn = FIELD_EX64(tlb->tlb_misc, TLB_MISC, VPPN);
@@ -120,12 +119,12 @@ static void invalidate_tlb_entry(CPULoongArchState *env, int index)
 
     if (tlb_v0) {
         tlb_flush_range_by_mmuidx(env_cpu(env), addr, pagesize,
-                                  mmu_idx, TARGET_LONG_BITS);
+                                  idxmap, TARGET_LONG_BITS);
     }
 
     if (tlb_v1) {
         tlb_flush_range_by_mmuidx(env_cpu(env), addr + pagesize, pagesize,
-                                  mmu_idx, TARGET_LONG_BITS);
+                                  idxmap, TARGET_LONG_BITS);
     }
 }