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| author | Max Filippov | 2012-01-29 00:15:23 +0100 |
|---|---|---|
| committer | Max Filippov | 2012-02-20 17:07:11 +0100 |
| commit | 0dc23828f1487a3e587f42a0630dd6879ab8f2bb (patch) | |
| tree | 80378234097123ce8cb4e8b255a6c3eb1f055fda /exec.c | |
| parent | exec: fix check_watchpoint exiting cpu_loop (diff) | |
| download | qemu-0dc23828f1487a3e587f42a0630dd6879ab8f2bb.tar.gz qemu-0dc23828f1487a3e587f42a0630dd6879ab8f2bb.tar.xz qemu-0dc23828f1487a3e587f42a0630dd6879ab8f2bb.zip | |
exec: let cpu_watchpoint_insert accept larger watchpoints
Make cpu_watchpoint_insert accept watchpoints of any power-of-two size
up to the target page size.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Diffstat (limited to 'exec.c')
| -rw-r--r-- | exec.c | 3 |
1 files changed, 2 insertions, 1 deletions
@@ -1443,7 +1443,8 @@ int cpu_watchpoint_insert(CPUState *env, target_ulong addr, target_ulong len, CPUWatchpoint *wp; /* sanity checks: allow power-of-2 lengths, deny unaligned watchpoints */ - if ((len != 1 && len != 2 && len != 4 && len != 8) || (addr & ~len_mask)) { + if ((len & (len - 1)) || (addr & ~len_mask) || + len == 0 || len > TARGET_PAGE_SIZE) { fprintf(stderr, "qemu: tried to set invalid watchpoint at " TARGET_FMT_lx ", len=" TARGET_FMT_lu "\n", addr, len); return -EINVAL; |