[PULL 11/40] exec: Introduce cpu_untagged_addr

Maintainers: Havard Skinnemoen <hskinnemoen@google.com>, Thomas Huth <thuth@redhat.com>, Paolo Bonzini <pbonzini@redhat.com>, Eduardo Habkost <ehabkost@redhat.com>, Riku Voipio <riku.voipio@iki.fi>, Cornelia Huck <cohuck@redhat.com>, Laurent Vivier <lvivier@redhat.com>, David Hildenbrand <david@redhat.com>, Jason Wang <jasowang@redhat.com>, Tyrone Ting <kfting@nuvoton.com>, Richard Henderson <richard.henderson@linaro.org>, Peter Maydell <peter.maydell@linaro.org>, Laurent Vivier <laurent@vivier.eu>
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[PULL 11/40] exec: Introduce cpu_untagged_addr
Posted by Peter Maydell 4 years, 2 months ago
From: Richard Henderson <richard.henderson@linaro.org>

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>
Message-id: 20210212184902.1251044-12-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@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 e62f4fba001..d9dc1de414a 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))
 
-- 
2.20.1