diff options
| author | hpa <hpa> | 2003-04-15 19:31:04 +0000 |
|---|---|---|
| committer | hpa <hpa> | 2003-04-15 19:31:04 +0000 |
| commit | ab763517436a177edc160c73656aba35db0f368d (patch) | |
| tree | 52e6f9f9bb1f8a7599bdb07d5132970262ca607c | |
| parent | 46a381fa0c970ffb89315db92614fa0b4eff912c (diff) | |
| download | syslinux-ab763517436a177edc160c73656aba35db0f368d.tar.gz | |
Simple memcpy() implementationsyslinux-2.03
| -rw-r--r-- | memdisk/memcpy.S | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/memdisk/memcpy.S b/memdisk/memcpy.S new file mode 100644 index 00000000..61c35b9b --- /dev/null +++ b/memdisk/memcpy.S @@ -0,0 +1,29 @@ +# $Id$ +# +# memcpy.S +# +# Simple memcpy() implementation +# + + .text + .globl memcpy + .type memcpy, @function +memcpy: + cld + pushl %edi + pushl %esi + movl 12(%esp),%edi + movl 16(%esp),%esi + movl 20(%esp),%eax + movl %eax,%ecx + shrl $2,%ecx + rep ; movsl + movl %eax,%ecx + andl $3,%ecx + rep ; movsb + movl 12(%esp),%eax + popl %esi + popl %edi + ret + + .size memcpy,.-memcpy |