diff options
Diffstat (limited to 'memdump/memset.S')
-rw-r--r-- | memdump/memset.S | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/memdump/memset.S b/memdump/memset.S new file mode 100644 index 00000000..86e12ab2 --- /dev/null +++ b/memdump/memset.S @@ -0,0 +1,21 @@ +# +# memset.S +# +# Minimal 16-bit memset() implementation +# + + .text + .code16gcc + .globl memset + .type memset, @function +memset: + cld + pushw %di + movw %ax,%di + movb %dl,%al + # The third argument is already in %cx + rep ; stosb + popw %di + retl + + .size memset,.-memset |