Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0-or-later */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  * Copyright (C) IBM Corporation, 2012
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  * Author: Anton Blanchard <anton@au.ibm.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) #include <asm/ppc_asm.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) #include <asm/vdso.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) 	.text
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13)  * Exact prototype of getcpu
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15)  * int __kernel_getcpu(unsigned *cpu, unsigned *node);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #if defined(CONFIG_PPC64)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) V_FUNCTION_BEGIN(__kernel_getcpu)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20)   .cfi_startproc
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 	mfspr	r5,SPRN_SPRG_VDSO_READ
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 	cmpwi	cr0,r3,0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 	cmpwi	cr1,r4,0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 	clrlwi  r6,r5,16
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 	rlwinm  r7,r5,16,31-15,31-0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 	beq	cr0,1f
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 	stw	r6,0(r3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 1:	crclr	cr0*4+so
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 	li	r3,0			/* always success */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 	beqlr	cr1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 	stw	r7,0(r4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 	blr
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33)   .cfi_endproc
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) V_FUNCTION_END(__kernel_getcpu)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) #elif !defined(CONFIG_SMP)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) V_FUNCTION_BEGIN(__kernel_getcpu)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37)   .cfi_startproc
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 	cmpwi	cr0, r3, 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 	cmpwi	cr1, r4, 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 	li	r5, 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 	beq	cr0, 1f
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 	stw	r5, 0(r3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 1:	li	r3, 0			/* always success */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 	crclr	cr0*4+so
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) 	beqlr	cr1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) 	stw	r5, 0(r4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) 	blr
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48)   .cfi_endproc
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) V_FUNCTION_END(__kernel_getcpu)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) #endif