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
/*
|
|
* QEMU page values getters (target independent)
|
|
*
|
|
* Copyright (c) 2003 Fabrice Bellard
|
|
*
|
|
* SPDX-License-Identifier: LGPL-2.1-or-later
|
|
*/
|
|
|
|
#include "qemu/osdep.h"
|
|
#include "exec/target_page.h"
|
|
#include "exec/cpu-defs.h"
|
|
#include "cpu.h"
|
|
#include "exec/cpu-all.h"
|
|
|
|
size_t qemu_target_page_size(void)
|
|
{
|
|
return TARGET_PAGE_SIZE;
|
|
}
|
|
|
|
int qemu_target_page_mask(void)
|
|
{
|
|
return TARGET_PAGE_MASK;
|
|
}
|
|
|
|
int qemu_target_page_bits(void)
|
|
{
|
|
return TARGET_PAGE_BITS;
|
|
}
|
|
|
|
int qemu_target_page_bits_min(void)
|
|
{
|
|
return TARGET_PAGE_BITS_MIN;
|
|
}
|
|
|
|
/* Convert target pages to MiB (2**20). */
|
|
size_t qemu_target_pages_to_MiB(size_t pages)
|
|
{
|
|
int page_bits = TARGET_PAGE_BITS;
|
|
|
|
/* So far, the largest (non-huge) page size is 64k, i.e. 16 bits. */
|
|
g_assert(page_bits < 20);
|
|
|
|
return pages >> (20 - page_bits);
|
|
}
|