From 7d3cab7926d08aad9a8e54420d6878cb17efd185 Mon Sep 17 00:00:00 2001 From: Lucas Pluvinage Date: Sat, 21 Apr 2018 00:24:50 +0200 Subject: [PATCH] xtensa-linux: use cache flush instruction only if it is available (#426) --- src/xtensa/sysv.S | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/src/xtensa/sysv.S b/src/xtensa/sysv.S index 64e6a09..e942179 100644 --- a/src/xtensa/sysv.S +++ b/src/xtensa/sysv.S @@ -169,8 +169,13 @@ ENTRY(ffi_cacheflush) entry a1, 16 -1: dhwbi a2, 0 +1: +#if XCHAL_DCACHE_SIZE + dhwbi a2, 0 +#endif +#if XCHAL_ICACHE_SIZE ihi a2, 0 +#endif addi a2, a2, 4 blt a2, a3, 1b