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iriver_flash: we need -fno-delete-null-pointer-checks

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Change-Id: I36bbfc81d9cb79a9627e5ba7ee50e1305f54848b
This commit is contained in:
Solomon Peachy 2020-10-26 21:27:46 -04:00
parent 804a49886a
commit f62eee569c
1 changed files with 7 additions and 0 deletions
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7
apps/plugins/iriver_flash.c
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@ -22,6 +22,13 @@
****************************************************************************/ ****************************************************************************/
#include "plugin.h" #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 */ /* All CFI flash routines are copied and ported from firmware_flash.c */
unsigned char *audiobuf; unsigned char *audiobuf;