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authorSolomon Peachy <pizza@shaftnet.org>2020-10-26 21:27:46 -0400
committerSolomon Peachy <pizza@shaftnet.org>2020-10-26 21:27:46 -0400
commitf62eee569c33537d7d3957b5226a3c5a2532d3f3 (patch)
tree7c41042d54cb620a54b0a4ff4b7cd60231d9d370 /apps
parent804a49886a842495c6bb049c229d924230b85b26 (diff)
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iriver_flash: we need -fno-delete-null-pointer-checks
Change-Id: I36bbfc81d9cb79a9627e5ba7ee50e1305f54848b
Diffstat (limited to 'apps')
-rw-r--r--apps/plugins/iriver_flash.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/apps/plugins/iriver_flash.c b/apps/plugins/iriver_flash.c
index 2004840531..ce31429aa8 100644
--- a/apps/plugins/iriver_flash.c
+++ b/apps/plugins/iriver_flash.c
@@ -22,6 +22,13 @@
****************************************************************************/
#include "plugin.h"
+/* cfi_program_word() relies on writing to address 0, which normally is illegal.
+ So we need this to ensure we don't helpfully optimize it away into a TRAP
+ when compiled with -fdelete-null-pointer-checks, which is enabled by default
+ at -Os with our current gcc 4.9.x toolchain.
+*/
+#pragma GCC optimize "no-delete-null-pointer-checks"
+
/* All CFI flash routines are copied and ported from firmware_flash.c */
unsigned char *audiobuf;