From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- arch/alpha/lib/ev6-clear_page.S | 56 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 56 insertions(+) create mode 100644 arch/alpha/lib/ev6-clear_page.S (limited to 'arch/alpha/lib/ev6-clear_page.S') diff --git a/arch/alpha/lib/ev6-clear_page.S b/arch/alpha/lib/ev6-clear_page.S new file mode 100644 index 000000000..325864c81 --- /dev/null +++ b/arch/alpha/lib/ev6-clear_page.S @@ -0,0 +1,56 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * arch/alpha/lib/ev6-clear_page.S + * + * Zero an entire page. + */ +#include + .text + .align 4 + .global clear_page + .ent clear_page +clear_page: + .prologue 0 + + lda $0,128 + lda $1,125 + addq $16,64,$2 + addq $16,128,$3 + + addq $16,192,$17 + wh64 ($16) + wh64 ($2) + wh64 ($3) + +1: wh64 ($17) + stq $31,0($16) + subq $0,1,$0 + subq $1,1,$1 + + stq $31,8($16) + stq $31,16($16) + addq $17,64,$2 + nop + + stq $31,24($16) + stq $31,32($16) + cmovgt $1,$2,$17 + nop + + stq $31,40($16) + stq $31,48($16) + nop + nop + + stq $31,56($16) + addq $16,64,$16 + nop + bne $0,1b + + ret + nop + nop + nop + + .end clear_page + EXPORT_SYMBOL(clear_page) -- cgit v1.2.3