kernel-ark/arch/alpha/lib/copy_page.S
Linus Torvalds 1da177e4c3 Linux-2.6.12-rc2
Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.

Let it rip!
2005-04-16 15:20:36 -07:00

50 lines
532 B
ArmAsm

/*
* arch/alpha/lib/copy_page.S
*
* Copy an entire page.
*/
.text
.align 4
.global copy_page
.ent copy_page
copy_page:
.prologue 0
lda $18,128
nop
unop
nop
1: ldq $0,0($17)
ldq $1,8($17)
ldq $2,16($17)
ldq $3,24($17)
ldq $4,32($17)
ldq $5,40($17)
ldq $6,48($17)
ldq $7,56($17)
stq $0,0($16)
subq $18,1,$18
stq $1,8($16)
addq $17,64,$17
stq $2,16($16)
stq $3,24($16)
stq $4,32($16)
stq $5,40($16)
stq $6,48($16)
stq $7,56($16)
addq $16,64,$16
bne $18, 1b
ret
nop
unop
nop
.end copy_page