diff options
| author | Emilio G. Cota <cota@braap.org> | 2017-07-15 03:24:27 -0400 |
|---|---|---|
| committer | Richard Henderson <rth@twiddle.net> | 2017-10-10 09:45:00 -0700 |
| commit | 3637cf58f9441ad277fd70299a29d0e39b32c96c (patch) | |
| tree | 002ca459e436bd62bfa5611ef308411aa5f19b82 /util | |
| parent | 619205fd1facd5078d127cd94e4713b590770f96 (diff) | |
util: move qemu_real_host_page_size/mask to osdep.h
These only depend on the host and therefore belong in the common
osdep, not in a target-dependent object.
While at it, query the host during an init constructor, which guarantees
the page size will be well-defined throughout the execution of the program.
Suggested-by: Richard Henderson <rth@twiddle.net>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Emilio G. Cota <cota@braap.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'util')
| -rw-r--r-- | util/Makefile.objs | 1 | ||||
| -rw-r--r-- | util/pagesize.c | 18 |
2 files changed, 19 insertions, 0 deletions
diff --git a/util/Makefile.objs b/util/Makefile.objs index 50a55ecc75..2973b0a323 100644 --- a/util/Makefile.objs +++ b/util/Makefile.objs @@ -40,6 +40,7 @@ util-obj-y += buffer.o util-obj-y += timed-average.o util-obj-y += base64.o util-obj-y += log.o +util-obj-y += pagesize.o util-obj-y += qdist.o util-obj-y += qht.o util-obj-y += range.o diff --git a/util/pagesize.c b/util/pagesize.c new file mode 100644 index 0000000000..998632cf6e --- /dev/null +++ b/util/pagesize.c @@ -0,0 +1,18 @@ +/* + * pagesize.c - query the host about its page size + * + * Copyright (C) 2017, Emilio G. Cota <cota@braap.org> + * License: GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + */ + +#include "qemu/osdep.h" + +uintptr_t qemu_real_host_page_size; +intptr_t qemu_real_host_page_mask; + +static void __attribute__((constructor)) init_real_host_page_size(void) +{ + qemu_real_host_page_size = getpagesize(); + qemu_real_host_page_mask = -(intptr_t)qemu_real_host_page_size; +} |