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) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  *  arch/s390/kernel/base.S
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  *    Copyright IBM Corp. 2006, 2007
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  *    Author(s): Heiko Carstens <heiko.carstens@de.ibm.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7)  *		 Michael Holzheu <holzheu@de.ibm.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/linkage.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <asm/asm-offsets.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <asm/nospec-insn.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <asm/ptrace.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <asm/sigp.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 	GEN_BR_THUNK %r9
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 	GEN_BR_THUNK %r14
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) ENTRY(s390_base_ext_handler)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 	stmg	%r0,%r15,__LC_SAVE_AREA_ASYNC
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 	basr	%r13,0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 0:	aghi	%r15,-STACK_FRAME_OVERHEAD
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 	larl	%r1,s390_base_ext_handler_fn
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 	lg	%r9,0(%r1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 	ltgr	%r9,%r9
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 	jz	1f
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 	BASR_EX	%r14,%r9
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 1:	lmg	%r0,%r15,__LC_SAVE_AREA_ASYNC
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 	ni	__LC_EXT_OLD_PSW+1,0xfd	# clear wait state bit
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 	lpswe	__LC_EXT_OLD_PSW
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) ENDPROC(s390_base_ext_handler)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 	.section .bss
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 	.align 8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 	.globl s390_base_ext_handler_fn
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) s390_base_ext_handler_fn:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 	.quad	0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 	.previous
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) ENTRY(s390_base_pgm_handler)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 	stmg	%r0,%r15,__LC_SAVE_AREA_SYNC
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 	basr	%r13,0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 0:	aghi	%r15,-STACK_FRAME_OVERHEAD
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 	larl	%r1,s390_base_pgm_handler_fn
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) 	lg	%r9,0(%r1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) 	ltgr	%r9,%r9
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) 	jz	1f
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) 	BASR_EX	%r14,%r9
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) 	lmg	%r0,%r15,__LC_SAVE_AREA_SYNC
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) 	lpswe	__LC_PGM_OLD_PSW
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) 1:	lpswe	disabled_wait_psw-0b(%r13)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) ENDPROC(s390_base_pgm_handler)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) 	.align	8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) disabled_wait_psw:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) 	.quad	0x0002000180000000,0x0000000000000000 + s390_base_pgm_handler
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) 	.section .bss
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) 	.align 8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) 	.globl s390_base_pgm_handler_fn
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) s390_base_pgm_handler_fn:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) 	.quad	0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) 	.previous