summaryrefslogtreecommitdiffstats
path: root/contrib/syslinux-4.02/dos/memcpy.S
blob: 76eef73c93ce26b5f6a2e3b9f020620afb1e66b3 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
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