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include: Move qemu_[id]cache_* declarations to new qemu/cacheinfo.h

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The qemu_icache_linesize, qemu_icache_linesize_log,
qemu_dcache_linesize, and qemu_dcache_linesize_log variables are not
used in many files.  Move them out of osdep.h to a new
qemu/cacheinfo.h, and document them.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220208200856.3558249-5-peter.maydell@linaro.org
This commit is contained in:
Peter Maydell 2022-02-08 20:08:55 +00:00
parent 5b3e34315a
commit ad768e6f2a
9 changed files with 28 additions and 5 deletions
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21
include/qemu/cacheinfo.h Normal file
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/*
* QEMU host cacheinfo information
*
* 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_CACHEINFO_H
#define QEMU_CACHEINFO_H
/*
* These variables represent our best guess at the host icache and
* dcache sizes, expressed both as the size in bytes and as the
* base-2 log of the size in bytes. They are initialized at startup
* (via an attribute 'constructor' function).
*/
extern int qemu_icache_linesize;
extern int qemu_icache_linesize_log;
extern int qemu_dcache_linesize;
extern int qemu_dcache_linesize_log;
#endif