diff options
| author | Richard Henderson <richard.henderson@linaro.org> | 2023-07-07 21:40:52 +0100 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2023-07-15 08:02:32 +0100 |
| commit | bef6f008b9811d961fd311c102f1a22dc28278a1 (patch) | |
| tree | 4ad2dbec9cb5b560a8dfaf400f0bbf191aca7344 /include | |
| parent | 91e9e116fea2a3b957e86daf55c832155fdf4b04 (diff) | |
accel/tcg: Return bool from page_check_range
Replace the 0/-1 result with true/false.
Invert the sense of the test of all callers.
Document the function.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230707204054.8792-25-richard.henderson@linaro.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/exec/cpu-all.h | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/include/exec/cpu-all.h b/include/exec/cpu-all.h index eb1c54701a..94f44f1f59 100644 --- a/include/exec/cpu-all.h +++ b/include/exec/cpu-all.h @@ -222,7 +222,18 @@ int walk_memory_regions(void *, walk_memory_regions_fn); int page_get_flags(target_ulong address); void page_set_flags(target_ulong start, target_ulong last, int flags); void page_reset_target_data(target_ulong start, target_ulong last); -int page_check_range(target_ulong start, target_ulong len, int flags); + +/** + * page_check_range + * @start: first byte of range + * @len: length of range + * @flags: flags required for each page + * + * Return true if every page in [@start, @start+@len) has @flags set. + * Return false if any page is unmapped. Thus testing flags == 0 is + * equivalent to testing for flags == PAGE_VALID. + */ +bool page_check_range(target_ulong start, target_ulong last, int flags); /** * page_check_range_empty: |