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| author | Roman Bolshakov <r.bolshakov@yadro.com> | 2021-01-13 06:28:07 +0300 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2021-01-23 12:13:00 -1000 |
| commit | 653b87eb36045b506b79f0bb433016ef1c54bc9a (patch) | |
| tree | 9072762b0292a3b668f5e55f94da53e1edb9c5a2 /tcg/tcg.c | |
| parent | 65269192241104342e3b1ba2b7b0f50e5042052e (diff) | |
| download | focaccia-qemu-653b87eb36045b506b79f0bb433016ef1c54bc9a.tar.gz focaccia-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
diff --git a/tcg/tcg.c b/tcg/tcg.c index 8f8badb61c..67b08f708d 100644 --- a/tcg/tcg.c +++ b/tcg/tcg.c @@ -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); |