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accel/tcg: Return bool from page_check_range

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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>
This commit is contained in:
Richard Henderson 2023-07-07 21:40:52 +01:00
parent 91e9e116fe
commit bef6f008b9
9 changed files with 31 additions and 20 deletions
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13
include/exec/cpu-all.h
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@ -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: