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authorRichard Henderson <richard.henderson@linaro.org>2022-03-25 14:41:06 +0000
committerPeter Maydell <peter.maydell@linaro.org>2022-03-25 14:41:06 +0000
commit6222c3acc4f36fc31d057e1afb6b5c408f83d343 (patch)
tree83a5396949a11e6b7a74ad7afa3602858fc50d73 /target
parentf345abe36527a8b575482bb5a0616f43952bf1f4 (diff)
target/arm: Fix sve_ld1_z and sve_st1_z vs MMIO
Both of these functions missed handling the TLB_MMIO flag during the conversion to handle MTE. Fixes: 10a85e2c8ab6 ("target/arm: Reuse sve_probe_page for gather loads") Resolves: https://gitlab.com/qemu-project/qemu/-/issues/925 Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20220324010932.190428-1-richard.henderson@linaro.org Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'target')
-rw-r--r--target/arm/sve_helper.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/target/arm/sve_helper.c b/target/arm/sve_helper.c
index 07be55b7e1..d45d088615 100644
--- a/target/arm/sve_helper.c
+++ b/target/arm/sve_helper.c
@@ -6734,7 +6734,11 @@ void sve_ld1_z(CPUARMState *env, void *vd, uint64_t *vg, void *vm,
if (mtedesc && arm_tlb_mte_tagged(&info.attrs)) {
mte_check(env, mtedesc, addr, retaddr);
}
- host_fn(&scratch, reg_off, info.host);
+ if (unlikely(info.flags & TLB_MMIO)) {
+ tlb_fn(env, &scratch, reg_off, addr, retaddr);
+ } else {
+ host_fn(&scratch, reg_off, info.host);
+ }
} else {
/* Element crosses the page boundary. */
sve_probe_page(&info2, false, env, addr + in_page, 0,
@@ -7112,7 +7116,9 @@ void sve_st1_z(CPUARMState *env, void *vd, uint64_t *vg, void *vm,
if (likely(in_page >= msize)) {
sve_probe_page(&info, false, env, addr, 0, MMU_DATA_STORE,
mmu_idx, retaddr);
- host[i] = info.host;
+ if (!(info.flags & TLB_MMIO)) {
+ host[i] = info.host;
+ }
} else {
/*
* Element crosses the page boundary.