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system/hvf: Expose hvf_enabled() to common code

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Currently hvf_enabled() is restricted to target-specific code.
By defining CONFIG_HVF_IS_POSSIBLE we allow its use anywhere.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20250403235821.9909-28-philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Philippe Mathieu-Daudé 2025-04-04 00:59:48 +02:00
parent 0af34b1dac
commit 962f9f18d2
4 changed files with 23 additions and 5 deletions
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1
MAINTAINERS
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@ -525,6 +525,7 @@ R: Phil Dennis-Jordan <phil@philjordan.eu>
W: https://wiki.qemu.org/Features/HVF
S: Maintained
F: accel/hvf/
F: accel/stubs/hvf-stub.c
F: include/system/hvf.h
F: include/system/hvf_int.h

12
accel/stubs/hvf-stub.c Normal file
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@ -0,0 +1,12 @@
/*
* HVF stubs for QEMU
*
* Copyright (c) Linaro
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "qemu/osdep.h"
#include "system/hvf.h"
bool hvf_allowed;

1
accel/stubs/meson.build
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@ -2,5 +2,6 @@ system_stubs_ss = ss.source_set()
system_stubs_ss.add(when: 'CONFIG_XEN', if_false: files('xen-stub.c'))
system_stubs_ss.add(when: 'CONFIG_KVM', if_false: files('kvm-stub.c'))
system_stubs_ss.add(when: 'CONFIG_TCG', if_false: files('tcg-stub.c'))
system_stubs_ss.add(when: 'CONFIG_HVF', if_false: files('hvf-stub.c'))
specific_ss.add_all(when: ['CONFIG_SYSTEM_ONLY'], if_true: system_stubs_ss)

14
include/system/hvf.h
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@ -19,15 +19,19 @@
#include "qom/object.h"
#ifdef COMPILING_PER_TARGET
# ifdef CONFIG_HVF
# define CONFIG_HVF_IS_POSSIBLE
# endif /* !CONFIG_HVF */
#else
# define CONFIG_HVF_IS_POSSIBLE
#endif /* COMPILING_PER_TARGET */
#ifdef CONFIG_HVF
#ifdef CONFIG_HVF_IS_POSSIBLE
extern bool hvf_allowed;
#define hvf_enabled() (hvf_allowed)
#else /* !CONFIG_HVF */
#else /* !CONFIG_HVF_IS_POSSIBLE */
#define hvf_enabled() 0
#endif /* !CONFIG_HVF */
#endif /* COMPILING_PER_TARGET */
#endif /* !CONFIG_HVF_IS_POSSIBLE */
#define TYPE_HVF_ACCEL ACCEL_CLASS_NAME("hvf")