Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /* NG4copy_page.S: Niagara-4 optimized clear page.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  * Copyright (C) 2012 (davem@davemloft.net)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) #include <asm/asi.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) #include <asm/page.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) 	.text
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) 	.register	%g3, #scratch
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 	.align		32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 	.globl		NG4clear_page
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 	.globl		NG4clear_user_page
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) NG4clear_page:		/* %o0=dest */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) NG4clear_user_page:	/* %o0=dest, %o1=vaddr */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 	set		PAGE_SIZE, %g7
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 	mov		0x20, %g3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 1:	stxa		%g0, [%o0 + %g0] ASI_ST_BLKINIT_MRU_P
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 	subcc		%g7, 0x40, %g7
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 	stxa		%g0, [%o0 + %g3] ASI_ST_BLKINIT_MRU_P
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 	bne,pt		%xcc, 1b
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 	 add		%o0, 0x40, %o0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 	membar		#StoreLoad|#StoreStore
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 	retl
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 	 nop
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 	.size		NG4clear_page,.-NG4clear_page
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 	.size		NG4clear_user_page,.-NG4clear_user_page