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| author | Roman Bolshakov | 2021-01-13 04:28:07 +0100 |
|---|---|---|
| committer | Richard Henderson | 2021-01-23 23:13:00 +0100 |
| commit | 653b87eb36045b506b79f0bb433016ef1c54bc9a (patch) | |
| tree | 9072762b0292a3b668f5e55f94da53e1edb9c5a2 /tcg/tcg.c | |
| parent | accel/tcg: Restrict cpu_io_recompile() from other accelerators (diff) | |
| download | qemu-653b87eb36045b506b79f0bb433016ef1c54bc9a.tar.gz qemu-653b87eb36045b506b79f0bb433016ef1c54bc9a.tar.xz qemu-653b87eb36045b506b79f0bb433016ef1c54bc9a.zip | |
tcg: Toggle page execution for Apple Silicon
Pages can't be both write and executable at the same time on Apple
Silicon. macOS provides public API to switch write protection [1] for
JIT applications, like TCG.
1. https://developer.apple.com/documentation/apple_silicon/porting_just-in-time_compilers_to_apple_silicon
Tested-by: Alexander Graf <agraf@csgraf.de>
Signed-off-by: Roman Bolshakov <r.bolshakov@yadro.com>
Message-Id: <20210113032806.18220-1-r.bolshakov@yadro.com>
[rth: Inline the qemu_thread_jit_* functions;
drop the MAP_JIT change for a follow-on patch.]
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'tcg/tcg.c')
| -rw-r--r-- | tcg/tcg.c | 1 |
1 files changed, 1 insertions, 0 deletions
@@ -1112,6 +1112,7 @@ void tcg_prologue_init(TCGContext *s) s->pool_labels = NULL; #endif + qemu_thread_jit_write(); /* Generate the prologue. */ tcg_target_qemu_prologue(s); |