1b58112e5SPatrick WilliamsFrom ba079b8d6a50796db41bb0ddf4c22bfe022ef898 Mon Sep 17 00:00:00 2001 219323693SBrad BishopFrom: "Richard W.M. Jones" <rjones@redhat.com> 319323693SBrad BishopDate: Sun, 20 Nov 2016 15:04:52 +0000 4b58112e5SPatrick WilliamsSubject: [PATCH 1/5] Add support for RISC-V. 519323693SBrad Bishop 619323693SBrad BishopThe architecture is sufficiently similar to aarch64 that simply 719323693SBrad Bishopextending the existing aarch64 macro works. 8*03514f19SPatrick Williams 9*03514f19SPatrick WilliamsUpstream-Status: Pending 1019323693SBrad Bishop--- 11b58112e5SPatrick Williams src/include/storage/s_lock.h | 5 +++-- 12b58112e5SPatrick Williams 1 file changed, 3 insertions(+), 2 deletions(-) 1319323693SBrad Bishop 14595f6308SAndrew Geisslerdiff --git a/src/include/storage/s_lock.h b/src/include/storage/s_lock.h 15b58112e5SPatrick Williamsindex c9fa84c..9b491e8 100644 1619323693SBrad Bishop--- a/src/include/storage/s_lock.h 1719323693SBrad Bishop+++ b/src/include/storage/s_lock.h 18b58112e5SPatrick Williams@@ -252,11 +252,12 @@ spin_delay(void) 1919323693SBrad Bishop 2019323693SBrad Bishop /* 2119323693SBrad Bishop * On ARM and ARM64, we use __sync_lock_test_and_set(int *, int) if available. 2219323693SBrad Bishop+ * On RISC-V, the same. 2319323693SBrad Bishop * 2419323693SBrad Bishop * We use the int-width variant of the builtin because it works on more chips 2519323693SBrad Bishop * than other widths. 2619323693SBrad Bishop */ 27b58112e5SPatrick Williams-#if defined(__arm__) || defined(__arm) || defined(__aarch64__) 28b58112e5SPatrick Williams+#if defined(__arm__) || defined(__arm) || defined(__aarch64__) || defined(__riscv) 2919323693SBrad Bishop #ifdef HAVE_GCC__SYNC_INT32_TAS 3019323693SBrad Bishop #define HAS_TEST_AND_SET 3119323693SBrad Bishop 32b58112e5SPatrick Williams@@ -290,7 +291,7 @@ spin_delay(void) 3319323693SBrad Bishop 34b58112e5SPatrick Williams #endif /* __aarch64__ */ 3519323693SBrad Bishop #endif /* HAVE_GCC__SYNC_INT32_TAS */ 36b58112e5SPatrick Williams-#endif /* __arm__ || __arm || __aarch64__ */ 37b58112e5SPatrick Williams+#endif /* __arm__ || __arm || __aarch64__ || __riscv */ 38b58112e5SPatrick Williams 3919323693SBrad Bishop 406aa7eec5SAndrew Geissler /* S/390 and S/390x Linux (32- and 64-bit zSeries) */ 41595f6308SAndrew Geissler-- 42b58112e5SPatrick Williams2.25.1 43595f6308SAndrew Geissler 44