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/*
* Target page sizes and friends for non target files
*
* Copyright (c) 2017 Red Hat Inc
*
* Authors:
* David Alan Gilbert <dgilbert@redhat.com>
* Juan Quintela <quintela@redhat.com>
*
* 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 EXEC_TARGET_PAGE_H
#define EXEC_TARGET_PAGE_H
/*
* If compiling per-target, get the real values.
* For generic code, reuse the mechanism for variable page size.
*/
#ifdef COMPILING_PER_TARGET
#include "cpu-param.h"
#include "exec/target_long.h"
#define TARGET_PAGE_TYPE target_long
#else
#define TARGET_PAGE_BITS_VARY
#define TARGET_PAGE_TYPE int
#endif
#ifdef TARGET_PAGE_BITS_VARY
# include "exec/page-vary.h"
extern const TargetPageBits target_page;
# ifdef CONFIG_DEBUG_TCG
# define TARGET_PAGE_BITS ({ assert(target_page.decided); \
target_page.bits; })
# define TARGET_PAGE_MASK ({ assert(target_page.decided); \
(TARGET_PAGE_TYPE)target_page.mask; })
# else
# define TARGET_PAGE_BITS target_page.bits
# define TARGET_PAGE_MASK ((TARGET_PAGE_TYPE)target_page.mask)
# endif
# define TARGET_PAGE_SIZE (-(int)TARGET_PAGE_MASK)
#else
# define TARGET_PAGE_BITS_MIN TARGET_PAGE_BITS
# define TARGET_PAGE_SIZE (1 << TARGET_PAGE_BITS)
# define TARGET_PAGE_MASK ((TARGET_PAGE_TYPE)-1 << TARGET_PAGE_BITS)
#endif
#define TARGET_PAGE_ALIGN(addr) ROUND_UP((addr), TARGET_PAGE_SIZE)
static inline size_t qemu_target_page_size(void)
{
return TARGET_PAGE_SIZE;
}
static inline int qemu_target_page_mask(void)
{
return TARGET_PAGE_MASK;
}
static inline int qemu_target_page_bits(void)
{
return TARGET_PAGE_BITS;
}
int qemu_target_page_bits_min(void);
size_t qemu_target_pages_to_MiB(size_t pages);
#endif
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