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author | Sebastian Schmelzer | 2010-10-25 16:53:54 +0200 |
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committer | Sebastian Schmelzer | 2010-10-25 16:53:54 +0200 |
commit | 3050a9253437f4a4b5ad4bf3b3efdc3c660a5137 (patch) | |
tree | 91ac22153e416aac7ca20916b314b5e2ffa871b1 /contrib/syslinux-4.02/memdump/memcpy.S | |
download | preboot-3050a9253437f4a4b5ad4bf3b3efdc3c660a5137.tar.gz preboot-3050a9253437f4a4b5ad4bf3b3efdc3c660a5137.tar.xz preboot-3050a9253437f4a4b5ad4bf3b3efdc3c660a5137.zip |
Diffstat (limited to 'contrib/syslinux-4.02/memdump/memcpy.S')
-rw-r--r-- | contrib/syslinux-4.02/memdump/memcpy.S | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/contrib/syslinux-4.02/memdump/memcpy.S b/contrib/syslinux-4.02/memdump/memcpy.S new file mode 100644 index 0000000..76eef73 --- /dev/null +++ b/contrib/syslinux-4.02/memdump/memcpy.S @@ -0,0 +1,23 @@ +# +# memcpy.S +# +# Simple 16-bit memcpy() implementation +# + + .text + .code16gcc + .globl memcpy + .type memcpy, @function +memcpy: + cld + pushw %di + pushw %si + movw %ax,%di + movw %dx,%si + # The third argument is already in cx + rep ; movsb + popw %si + popw %di + ret + + .size memcpy,.-memcpy |