diff options
Diffstat (limited to 'include/exec/target_page.h')
-rw-r--r-- | include/exec/target_page.h | 54 |
1 files changed, 50 insertions, 4 deletions
diff --git a/include/exec/target_page.h b/include/exec/target_page.h index 98ffbb5..8e89e5c 100644 --- a/include/exec/target_page.h +++ b/include/exec/target_page.h @@ -14,10 +14,56 @@ #ifndef EXEC_TARGET_PAGE_H #define EXEC_TARGET_PAGE_H -size_t qemu_target_page_size(void); -int qemu_target_page_mask(void); -int qemu_target_page_bits(void); -int qemu_target_page_bits_min(void); +/* + * 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 |