Reviewers: danno, Paul Lind, kisg,
Message:
Please merge this to the 3.7 branch as well.
Description:
MIPS: Added Android-specific version of cacheflush call.
BUG=
TEST=
Please review this at http://codereview.chromium.org/9234059/
Affected files:
M src/mips/cpu-mips.cc
Index: src/mips/cpu-mips.cc
diff --git a/src/mips/cpu-mips.cc b/src/mips/cpu-mips.cc
index
a1e062c803d67aa24a1999870009a42592d0f97a..0d48470020379f3ef7e4911bd18f9adb4a52abd6
100644
--- a/src/mips/cpu-mips.cc
+++ b/src/mips/cpu-mips.cc
@@ -64,15 +64,19 @@ void CPU::FlushICache(void* start, size_t size) {
}
#if !defined (USE_SIMULATOR)
+#if defined(ANDROID)
+ // Bionic cacheflush can typically run in userland, avoiding kernel call.
+ char *end = reinterpret_cast<char *>(start) + size;
+ cacheflush(
+ reinterpret_cast<intptr_t>(start), reinterpret_cast<intptr_t>(end), 0);
+#else // ANDROID
int res;
-
- // See http://www.linux-mips.org/wiki/Cacheflush_Syscall.
+ // See http://www.linux-mips.org/wiki/Cacheflush_Syscall .
res = syscall(__NR_cacheflush, start, size, ICACHE);
-
if (res) {
V8_Fatal(__FILE__, __LINE__, "Failed to flush the instruction cache");
}
-
+#endif // ANDROID
#else // USE_SIMULATOR.
// Not generating mips instructions for C-code. This means that we are
// building a mips emulator based target. We should notify the simulator
--
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