Author: Jeremie Courreges-Anglas Date: 2021-09-17T20:54:32-07:00 New Revision: 6a5ccb2ec43887dba71b5ba6a9a035b18e619ad6
URL: https://github.com/llvm/llvm-project/commit/6a5ccb2ec43887dba71b5ba6a9a035b18e619ad6 DIFF: https://github.com/llvm/llvm-project/commit/6a5ccb2ec43887dba71b5ba6a9a035b18e619ad6.diff LOG: [compiler-rt] Implement __clear_cache() on OpenBSD/riscv64 (cherry picked from commit 3db959060546eef76b90733ccde80c75576a97ad) Added: Modified: compiler-rt/lib/builtins/clear_cache.c Removed: ################################################################################ diff --git a/compiler-rt/lib/builtins/clear_cache.c b/compiler-rt/lib/builtins/clear_cache.c index 3c12b74e8fa62..da0715914b416 100644 --- a/compiler-rt/lib/builtins/clear_cache.c +++ b/compiler-rt/lib/builtins/clear_cache.c @@ -35,7 +35,7 @@ uintptr_t GetCurrentProcess(void); #include <machine/sysarch.h> #endif -#if defined(__OpenBSD__) && (defined(__arm__) || defined(__mips__)) +#if defined(__OpenBSD__) && (defined(__arm__) || defined(__mips__) || defined(__riscv)) // clang-format off #include <sys/types.h> #include <machine/sysarch.h> @@ -166,6 +166,13 @@ void __clear_cache(void *start, void *end) { : "=r"(start_reg) : "r"(start_reg), "r"(end_reg), "r"(flags), "r"(syscall_nr)); assert(start_reg == 0 && "Cache flush syscall failed."); +#elif defined(__riscv) && defined(__OpenBSD__) + struct riscv_sync_icache_args arg; + + arg.addr = (uintptr_t)start; + arg.len = (uintptr_t)end - (uintptr_t)start; + + sysarch(RISCV_SYNC_ICACHE, &arg); #else #if __APPLE__ // On Darwin, sys_icache_invalidate() provides this functionality _______________________________________________ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits
