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[PATCH v7 11/31] exec: Introduce cpu_untagged_addr
From: |
Richard Henderson |
Subject: |
[PATCH v7 11/31] exec: Introduce cpu_untagged_addr |
Date: |
Fri, 12 Feb 2021 10:48:42 -0800 |
Provide an identity fallback for target that do not
use tagged addresses.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
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 v7 05/31] exec: Improve types for guest_addr_valid, (continued)
- [PATCH v7 05/31] exec: Improve types for guest_addr_valid, Richard Henderson, 2021/02/12
- [PATCH v7 04/31] exec: Use uintptr_t in cpu_ldst.h, Richard Henderson, 2021/02/12
- [PATCH v7 08/31] bsd-user: Tidy VERIFY_READ/VERIFY_WRITE, Richard Henderson, 2021/02/12
- [PATCH v7 13/31] linux-user: Explicitly untag memory management syscalls, Richard Henderson, 2021/02/12
- [PATCH v7 09/31] linux-user: Do not use guest_addr_valid for h2g_valid, Richard Henderson, 2021/02/12
- [PATCH v7 07/31] linux-user: Tidy VERIFY_READ/VERIFY_WRITE, Richard Henderson, 2021/02/12
- [PATCH v7 12/31] exec: Use cpu_untagged_addr in g2h; split out g2h_untagged, Richard Henderson, 2021/02/12
- [PATCH v7 15/31] exec: Rename guest_{addr,range}_valid to *_untagged, Richard Henderson, 2021/02/12
- [PATCH v7 11/31] exec: Introduce cpu_untagged_addr,
Richard Henderson <=
- [PATCH v7 10/31] linux-user: Fix guest_addr_valid vs reserved_va, Richard Henderson, 2021/02/12
- [PATCH v7 22/31] target/arm: Use the proper TBI settings for linux-user, Richard Henderson, 2021/02/12
- [PATCH v7 19/31] linux-user: Handle tags in lock_user/unlock_user, Richard Henderson, 2021/02/12
- [PATCH v7 06/31] linux-user: Check for overflow in access_ok, Richard Henderson, 2021/02/12
- [PATCH v7 16/31] linux-user: Use cpu_untagged_addr in access_ok; split out *_untagged, Richard Henderson, 2021/02/12
- [PATCH v7 17/31] linux-user: Move lock_user et al out of line, Richard Henderson, 2021/02/12
- [PATCH v7 14/31] linux-user: Use guest_range_valid in access_ok, Richard Henderson, 2021/02/12
- [PATCH v7 20/31] linux-user/aarch64: Implement PR_TAGGED_ADDR_ENABLE, Richard Henderson, 2021/02/12