Merge tag 'pull-target-arm-20230410' of https://git.linaro.org/people/pmaydell/qemu-arm into staging

target-arm: Fix bug where we weren't initializing
            guarded bit state when combining S1/S2 attrs

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# gpg: Signature made Mon 10 Apr 2023 15:12:11 BST
# gpg:                using RSA key E1A5C593CD419DE28E8315CF3C2525ED14360CDE
# gpg:                issuer "peter.maydell@linaro.org"
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>" [ultimate]
# gpg:                 aka "Peter Maydell <pmaydell@gmail.com>" [ultimate]
# gpg:                 aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>" [ultimate]
# gpg:                 aka "Peter Maydell <peter@archaic.org.uk>" [ultimate]
# Primary key fingerprint: E1A5 C593 CD41 9DE2 8E83  15CF 3C25 25ED 1436 0CDE

* tag 'pull-target-arm-20230410' of https://git.linaro.org/people/pmaydell/qemu-arm:
  target/arm: Copy guarded bit in combine_cacheattrs
  target/arm: PTE bit GP only applies to stage1

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 6 insertions, 5 deletions

diff --git a/target/arm/ptw.c b/target/arm/ptw.c
index ec3f51782a..6d72950a79 100644
--- a/target/arm/ptw.c
+++ b/target/arm/ptw.c
@@ -1585,11 +1585,6 @@ static bool get_phys_addr_lpae(CPUARMState *env, S1Translate *ptw,
         result->f.attrs.secure = false;
     }
 
-    /* When in aarch64 mode, and BTI is enabled, remember GP in the TLB.  */
-    if (aarch64 && cpu_isar_feature(aa64_bti, cpu)) {
-        result->f.guarded = extract64(attrs, 50, 1); /* GP */
-    }
-
     if (regime_is_stage2(mmu_idx)) {
         result->cacheattrs.is_s2_format = true;
         result->cacheattrs.attrs = extract32(attrs, 2, 4);
@@ -1600,6 +1595,11 @@ static bool get_phys_addr_lpae(CPUARMState *env, S1Translate *ptw,
         assert(attrindx <= 7);
         result->cacheattrs.is_s2_format = false;
         result->cacheattrs.attrs = extract64(mair, attrindx * 8, 8);
+
+        /* When in aarch64 mode, and BTI is enabled, remember GP in the TLB. */
+        if (aarch64 && cpu_isar_feature(aa64_bti, cpu)) {
+            result->f.guarded = extract64(attrs, 50, 1); /* GP */
+        }
     }
 
     /*
@@ -2576,6 +2576,7 @@ static ARMCacheAttrs combine_cacheattrs(uint64_t hcr,
 
     assert(!s1.is_s2_format);
     ret.is_s2_format = false;
+    ret.guarded = s1.guarded;
 
     if (s1.attrs == 0xf0) {
         tagged = true;