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[PATCH v5 11/31] exec: Introduce cpu_untagged_addr
From: |
Richard Henderson |
Subject: |
[PATCH v5 11/31] exec: Introduce cpu_untagged_addr |
Date: |
Wed, 3 Feb 2021 08:59:50 -1000 |
Provide an identity fallback for target that do not
use tagged addresses.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
include/exec/cpu_ldst.h | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/include/exec/cpu_ldst.h b/include/exec/cpu_ldst.h
index e62f4fba00..d9dc1de414 100644
--- a/include/exec/cpu_ldst.h
+++ b/include/exec/cpu_ldst.h
@@ -69,6 +69,13 @@ typedef uint64_t abi_ptr;
#define TARGET_ABI_FMT_ptr "%"PRIx64
#endif
+#ifndef TARGET_TAGGED_ADDRESSES
+static inline abi_ptr cpu_untagged_addr(CPUState *cs, abi_ptr x)
+{
+ return x;
+}
+#endif
+
/* All direct uses of g2h and h2g need to go away for usermode softmmu. */
#define g2h(x) ((void *)((uintptr_t)(abi_ptr)(x) + guest_base))
--
2.25.1
- [PATCH v5 00/31] target-arm: Implement ARMv8.5-MemTag, user mode, Richard Henderson, 2021/02/03
- [PATCH v5 05/31] exec: Improve types for guest_addr_valid, Richard Henderson, 2021/02/03
- [PATCH v5 07/31] linux-user: Tidy VERIFY_READ/VERIFY_WRITE, Richard Henderson, 2021/02/03
- [PATCH v5 10/31] linux-user: Fix guest_addr_valid vs reserved_va, Richard Henderson, 2021/02/03
- [PATCH v5 11/31] exec: Introduce cpu_untagged_addr,
Richard Henderson <=
- [PATCH v5 12/31] exec: Use cpu_untagged_addr in g2h; split out g2h_untagged, Richard Henderson, 2021/02/03
- [PATCH v5 14/31] linux-user: Use guest_range_valid in access_ok, Richard Henderson, 2021/02/03
- [PATCH v5 15/31] exec: Rename guest_{addr,range}_valid to *_untagged, Richard Henderson, 2021/02/03
- [PATCH v5 27/31] linux-user/aarch64: Signal SEGV_MTESERR for sync tag check fault, Richard Henderson, 2021/02/03
- [PATCH v5 28/31] linux-user/aarch64: Signal SEGV_MTEAERR for async tag check error, Richard Henderson, 2021/02/03
- [PATCH v5 06/31] linux-user: Check for overflow in access_ok, Richard Henderson, 2021/02/03