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util: Extract flush_icache_range to cacheflush.c

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This has been a tcg-specific function, but is also in use
by hardware accelerators via physmem.c.  This can cause
link errors when tcg is disabled.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Joelle van Dyne <j@getutm.app>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20201214140314.18544-3-richard.henderson@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Richard Henderson 2020-12-14 08:02:33 -06:00 • committed by Paolo Bonzini
parent 3b9bd3f46b
commit 084cfca143
16 changed files with 100 additions and 70 deletions
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24
include/qemu/cacheflush.h Normal file
View file

@ -0,0 +1,24 @@
/*
* Flush the host cpu caches.
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*/
#ifndef QEMU_CACHEFLUSH_H
#define QEMU_CACHEFLUSH_H
#if defined(__i386__) || defined(__x86_64__) || defined(__s390__)
static inline void flush_icache_range(uintptr_t start, uintptr_t stop)
{
/* icache is coherent and does not require flushing. */
}
#else
void flush_icache_range(uintptr_t start, uintptr_t stop);
#endif
#endif /* QEMU_CACHEFLUSH_H */