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authorPeter Maydell <peter.maydell@linaro.org>2022-02-08 20:08:55 +0000
committerPeter Maydell <peter.maydell@linaro.org>2022-02-21 13:30:20 +0000
commitad768e6f2a3397ec88ae874ad743df5d7c8c1936 (patch)
treef34e909ce9b700b1033830c389642e0105195936 /include/qemu
parent5b3e34315a8b2d985299735d685c71d481815bef (diff)
downloadfocaccia-qemu-ad768e6f2a3397ec88ae874ad743df5d7c8c1936.tar.gz
focaccia-qemu-ad768e6f2a3397ec88ae874ad743df5d7c8c1936.zip
include: Move qemu_[id]cache_* declarations to new qemu/cacheinfo.h
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
Diffstat (limited to 'include/qemu')
-rw-r--r--include/qemu/cacheinfo.h21
-rw-r--r--include/qemu/osdep.h5
2 files changed, 21 insertions, 5 deletions
diff --git a/include/qemu/cacheinfo.h b/include/qemu/cacheinfo.h
new file mode 100644
index 0000000000..019a157ea0
--- /dev/null
+++ b/include/qemu/cacheinfo.h
@@ -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
diff --git a/include/qemu/osdep.h b/include/qemu/osdep.h
index 165448b12f..61808edc69 100644
--- a/include/qemu/osdep.h
+++ b/include/qemu/osdep.h
@@ -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