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tcg: Split out tcg/oversized-guest.h

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Move a use of TARGET_LONG_BITS out of tcg/tcg.h.
Include the new file only where required.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2023-03-27 18:32:36 -07:00
parent d3ae5f5d4f
commit 70f168f88c
7 changed files with 28 additions and 11 deletions
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23
include/tcg/oversized-guest.h Normal file
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@ -0,0 +1,23 @@
/* SPDX-License-Identifier: MIT */
/*
* Define TCG_OVERSIZED_GUEST
* Copyright (c) 2008 Fabrice Bellard
*/
#ifndef EXEC_TCG_OVERSIZED_GUEST_H
#define EXEC_TCG_OVERSIZED_GUEST_H
#include "tcg-target-reg-bits.h"
#include "cpu-param.h"
/*
* Oversized TCG guests make things like MTTCG hard
* as we can't use atomics for cputlb updates.
*/
#if TARGET_LONG_BITS > TCG_TARGET_REG_BITS
#define TCG_OVERSIZED_GUEST 1
#else
#define TCG_OVERSIZED_GUEST 0
#endif
#endif

9
include/tcg/tcg.h
View file

@ -59,15 +59,6 @@ typedef uint64_t tcg_target_ulong;
#error unsupported
#endif
/* Oversized TCG guests make things like MTTCG hard
* as we can't use atomics for cputlb updates.
*/
#if TARGET_LONG_BITS > TCG_TARGET_REG_BITS
#define TCG_OVERSIZED_GUEST 1
#else
#define TCG_OVERSIZED_GUEST 0
#endif
#if TCG_TARGET_NB_REGS <= 32
typedef uint32_t TCGRegSet;
#elif TCG_TARGET_NB_REGS <= 64