diff options
Diffstat (limited to 'accel/tcg/user-exec.c')
| -rw-r--r-- | accel/tcg/user-exec.c | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/accel/tcg/user-exec.c b/accel/tcg/user-exec.c index 1e8fcaf6b0..df60c7d673 100644 --- a/accel/tcg/user-exec.c +++ b/accel/tcg/user-exec.c @@ -520,19 +520,19 @@ void page_set_flags(target_ulong start, target_ulong last, int flags) } } -int page_check_range(target_ulong start, target_ulong len, int flags) +bool page_check_range(target_ulong start, target_ulong len, int flags) { target_ulong last; int locked; /* tri-state: =0: unlocked, +1: global, -1: local */ - int ret; + bool ret; if (len == 0) { - return 0; /* trivial length */ + return true; /* trivial length */ } last = start + len - 1; if (last < start) { - return -1; /* wrap around */ + return false; /* wrap around */ } locked = have_mmap_lock(); @@ -551,33 +551,33 @@ int page_check_range(target_ulong start, target_ulong len, int flags) p = pageflags_find(start, last); } if (!p) { - ret = -1; /* entire region invalid */ + ret = false; /* entire region invalid */ break; } } if (start < p->itree.start) { - ret = -1; /* initial bytes invalid */ + ret = false; /* initial bytes invalid */ break; } missing = flags & ~p->flags; if (missing & ~PAGE_WRITE) { - ret = -1; /* page doesn't match */ + ret = false; /* page doesn't match */ break; } if (missing & PAGE_WRITE) { if (!(p->flags & PAGE_WRITE_ORG)) { - ret = -1; /* page not writable */ + ret = false; /* page not writable */ break; } /* Asking about writable, but has been protected: undo. */ if (!page_unprotect(start, 0)) { - ret = -1; + ret = false; break; } /* TODO: page_unprotect should take a range, not a single page. */ if (last - start < TARGET_PAGE_SIZE) { - ret = 0; /* ok */ + ret = true; /* ok */ break; } start += TARGET_PAGE_SIZE; @@ -585,7 +585,7 @@ int page_check_range(target_ulong start, target_ulong len, int flags) } if (last <= p->itree.last) { - ret = 0; /* ok */ + ret = true; /* ok */ break; } start = p->itree.last + 1; |