With tlb_flush_range_by_mmuidx(), the virtual address is 64 bit.
However on LoongArch TLB emulation system, virtual address is
48 bit. It is necessary to signed-extend 48 bit address to 64 bit when
flush tlb, also fix address calculation issue with odd page.
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
---
target/loongarch/tcg/tlb_helper.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/target/loongarch/tcg/tlb_helper.c b/target/loongarch/tcg/tlb_helper.c
index 7d3f98633d..9365860c8c 100644
--- a/target/loongarch/tcg/tlb_helper.c
+++ b/target/loongarch/tcg/tlb_helper.c
@@ -115,16 +115,16 @@ static void invalidate_tlb_entry(CPULoongArchState *env, int index)
tlb_ps = FIELD_EX64(tlb->tlb_misc, TLB_MISC, PS);
pagesize = MAKE_64BIT_MASK(tlb_ps, 1);
mask = MAKE_64BIT_MASK(0, tlb_ps + 1);
+ addr = (tlb_vppn << R_TLB_MISC_VPPN_SHIFT) & ~mask;
+ addr = sextract64(addr, 0, TARGET_VIRT_ADDR_SPACE_BITS);
if (tlb_v0) {
- addr = (tlb_vppn << R_TLB_MISC_VPPN_SHIFT) & ~mask; /* even */
tlb_flush_range_by_mmuidx(env_cpu(env), addr, pagesize,
mmu_idx, TARGET_LONG_BITS);
}
if (tlb_v1) {
- addr = (tlb_vppn << R_TLB_MISC_VPPN_SHIFT) & pagesize; /* odd */
- tlb_flush_range_by_mmuidx(env_cpu(env), addr, pagesize,
+ tlb_flush_range_by_mmuidx(env_cpu(env), addr + pagesize, pagesize,
mmu_idx, TARGET_LONG_BITS);
}
}
--
2.43.5