diff options
| author | Franklin Wei <me@fwei.tk> | 2017-07-27 00:00:51 -0400 |
|---|---|---|
| committer | Franklin Wei <git@fwei.tk> | 2017-07-27 19:09:50 -0400 |
| commit | c2546d31876598c390e8c8e3f6ebeb79d1849462 (patch) | |
| tree | ada474ed9c7d084e7639aa26d5b2b125a17484ab /firmware/asm | |
| parent | 076cf0aa9bc484e9dbaee17660c2e77c16f46b13 (diff) | |
Fix arm memset() handling of negative arguments
This fixes the sgt-mines plugin. Same issue was present in an old
glibc as well:
https://sourceware.org/git/?p=glibc.git;a=commitdiff;h=a7ed1adbecb6aac49af75aae3b3498798cf63abc
Diffstat (limited to 'firmware/asm')
| -rw-r--r-- | firmware/asm/arm/memset.S | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/firmware/asm/arm/memset.S b/firmware/asm/arm/memset.S index 682da874ce..64cd95cc9e 100644 --- a/firmware/asm/arm/memset.S +++ b/firmware/asm/arm/memset.S @@ -50,6 +50,7 @@ memset: /* * we know that the pointer in r0 is aligned to a word boundary. */ + and r1, r1, #255 @ clear sign bits orr r1, r1, r1, lsl #8 orr r1, r1, r1, lsl #16 mov r3, r1 |