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75bbe6a4d2
User-only objects might benefit from the "exec/target_page.h" API, which allows to build some objects once for all targets. Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Warner Losh <imp@bsdimp.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20231211212003.21686-3-philmd@linaro.org>
45 lines
822 B
C
45 lines
822 B
C
/*
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* QEMU page values getters (target independent)
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*
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* Copyright (c) 2003 Fabrice Bellard
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*
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* SPDX-License-Identifier: LGPL-2.1-or-later
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*/
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#include "qemu/osdep.h"
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#include "exec/target_page.h"
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#include "exec/cpu-defs.h"
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#include "cpu.h"
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#include "exec/cpu-all.h"
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size_t qemu_target_page_size(void)
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{
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return TARGET_PAGE_SIZE;
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}
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int qemu_target_page_mask(void)
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{
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return TARGET_PAGE_MASK;
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}
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int qemu_target_page_bits(void)
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{
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return TARGET_PAGE_BITS;
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}
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int qemu_target_page_bits_min(void)
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{
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return TARGET_PAGE_BITS_MIN;
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}
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/* Convert target pages to MiB (2**20). */
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size_t qemu_target_pages_to_MiB(size_t pages)
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{
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int page_bits = TARGET_PAGE_BITS;
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/* So far, the largest (non-huge) page size is 64k, i.e. 16 bits. */
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g_assert(page_bits < 20);
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return pages >> (20 - page_bits);
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}
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