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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>
19 lines
499 B
C
19 lines
499 B
C
/*
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* pagesize.c - query the host about its page size
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*
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* Copyright (C) 2017, Emilio G. Cota <cota@braap.org>
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* License: GNU GPL, version 2 or later.
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* See the COPYING file in the top-level directory.
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*/
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#include "qemu/osdep.h"
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uintptr_t qemu_real_host_page_size;
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intptr_t qemu_real_host_page_mask;
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static void __attribute__((constructor)) init_real_host_page_size(void)
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{
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qemu_real_host_page_size = getpagesize();
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qemu_real_host_page_mask = -(intptr_t)qemu_real_host_page_size;
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}
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