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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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1
accel/tcg/translate-all.c
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@ -51,6 +51,7 @@
#include "qemu/qemu-print.h"
#include "qemu/timer.h"
#include "qemu/main-loop.h"
#include "qemu/cacheinfo.h"
#include "exec/log.h"
#include "sysemu/cpus.h"
#include "sysemu/cpu-timers.h"

21
include/qemu/cacheinfo.h Normal file
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@ -0,0 +1,21 @@
/*
* 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

5
include/qemu/osdep.h
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@ -616,11 +616,6 @@ pid_t qemu_fork(Error **errp);
extern uintptr_t qemu_real_host_page_size;
extern intptr_t qemu_real_host_page_mask;
extern int qemu_icache_linesize;
extern int qemu_icache_linesize_log;
extern int qemu_dcache_linesize;
extern int qemu_dcache_linesize_log;
/*
* After using getopt or getopt_long, if you need to parse another set
* of options, then you must reset optind. Unfortunately the way to

1
plugins/loader.c
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@ -24,6 +24,7 @@
#include "qemu/rcu_queue.h"
#include "qemu/qht.h"
#include "qemu/bitmap.h"
#include "qemu/cacheinfo.h"
#include "qemu/xxhash.h"
#include "qemu/plugin.h"
#include "hw/core/cpu.h"

1
tcg/region.c
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@ -26,6 +26,7 @@
#include "qemu/units.h"
#include "qemu/madvise.h"
#include "qemu/mprotect.h"
#include "qemu/cacheinfo.h"
#include "qapi/error.h"
#include "exec/exec-all.h"
#include "tcg/tcg.h"

1
tcg/tcg.c
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@ -36,6 +36,7 @@
#include "qemu/qemu-print.h"
#include "qemu/timer.h"
#include "qemu/cacheflush.h"
#include "qemu/cacheinfo.h"
/* Note: the long term plan is to reduce the dependencies on the QEMU
CPU definitions. Currently they are used for qemu_ld/st

1
util/atomic64.c
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@ -7,6 +7,7 @@
#include "qemu/osdep.h"
#include "qemu/atomic.h"
#include "qemu/thread.h"
#include "qemu/cacheinfo.h"
#ifdef CONFIG_ATOMIC64
#error This file must only be compiled if !CONFIG_ATOMIC64

1
util/cacheflush.c
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@ -7,6 +7,7 @@
#include "qemu/osdep.h"
#include "qemu/cacheflush.h"
#include "qemu/cacheinfo.h"
#include "qemu/bitops.h"

1
util/cacheinfo.c
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@ -9,6 +9,7 @@
#include "qemu/osdep.h"
#include "qemu/host-utils.h"
#include "qemu/atomic.h"
#include "qemu/cacheinfo.h"
int qemu_icache_linesize = 0;
int qemu_icache_linesize_log;