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exec: Introduce cpu_untagged_addr 

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>
This commit is contained in:
Richard Henderson 2021-02-12 10:48:42 -08:00 committed by Peter Maydell
parent a78a6363cb
commit 141a56d844
1 changed files with 7 additions and 0 deletions
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7
include/exec/cpu_ldst.h
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@ -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))