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[v7,11/31] exec: Introduce cpu_untagged_addr

Message ID 20210212184902.1251044-12-richard.henderson@linaro.org (mailing list archive)
State New, archived
Headers show
Series target-arm: Implement ARMv8.5-MemTag, user mode | expand

Commit Message

Richard Henderson Feb. 12, 2021, 6:48 p.m. UTC
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(+)
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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
+static inline abi_ptr cpu_untagged_addr(CPUState *cs, abi_ptr x)
+    return x;
 /* 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))