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 copy 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) 	.align		32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) 	.register	%g2, #scratch
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 	.register	%g3, #scratch
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 	.globl		NG4copy_user_page
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) NG4copy_user_page:	/* %o0=dest, %o1=src, %o2=vaddr */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 	prefetch	[%o1 + 0x000], #n_reads_strong
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 	prefetch	[%o1 + 0x040], #n_reads_strong
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 	prefetch	[%o1 + 0x080], #n_reads_strong
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 	prefetch	[%o1 + 0x0c0], #n_reads_strong
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 	set		PAGE_SIZE, %g7
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 	prefetch	[%o1 + 0x100], #n_reads_strong
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 	prefetch	[%o1 + 0x140], #n_reads_strong
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 	prefetch	[%o1 + 0x180], #n_reads_strong
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 	prefetch	[%o1 + 0x1c0], #n_reads_strong
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 	ldx		[%o1 + 0x00], %o2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 	subcc		%g7, 0x40, %g7
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 	ldx		[%o1 + 0x08], %o3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 	ldx		[%o1 + 0x10], %o4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 	ldx		[%o1 + 0x18], %o5
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 	ldx		[%o1 + 0x20], %g1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 	stxa		%o2, [%o0] ASI_ST_BLKINIT_MRU_P
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 	add		%o0, 0x08, %o0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 	ldx		[%o1 + 0x28], %g2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 	stxa		%o3, [%o0] ASI_ST_BLKINIT_MRU_P
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 	add		%o0, 0x08, %o0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 	ldx		[%o1 + 0x30], %g3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 	stxa		%o4, [%o0] ASI_ST_BLKINIT_MRU_P
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 	add		%o0, 0x08, %o0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 	ldx		[%o1 + 0x38], %o2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 	add		%o1, 0x40, %o1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 	stxa		%o5, [%o0] ASI_ST_BLKINIT_MRU_P
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) 	add		%o0, 0x08, %o0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) 	stxa		%g1, [%o0] ASI_ST_BLKINIT_MRU_P
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) 	add		%o0, 0x08, %o0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) 	stxa		%g2, [%o0] ASI_ST_BLKINIT_MRU_P
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) 	add		%o0, 0x08, %o0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) 	stxa		%g3, [%o0] ASI_ST_BLKINIT_MRU_P
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) 	add		%o0, 0x08, %o0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) 	stxa		%o2, [%o0] ASI_ST_BLKINIT_MRU_P
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) 	add		%o0, 0x08, %o0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) 	bne,pt		%icc, 1b
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) 	 prefetch	[%o1 + 0x200], #n_reads_strong
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) 	retl
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) 	 membar		#StoreLoad | #StoreStore
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) 	.size		NG4copy_user_page,.-NG4copy_user_page