1/* SPDX-License-Identifier: GPL-2.0 */
 2/*
 3 * Copyright IBM Corp. 1999, 2010
 4 *
 5 *   Author(s):	Hartmut Penner <hp@de.ibm.com>
 6 *		Martin Schwidefsky <schwidefsky@de.ibm.com>
 7 *		Rob van der Heij <rvdhei@iae.nl>
 
 8 *
 9 */
10
11#include <linux/init.h>
12#include <linux/linkage.h>
13#include <asm/lowcore.h>
14#include <asm/asm-offsets.h>
15#include <asm/thread_info.h>
16#include <asm/page.h>
17#include <asm/ptrace.h>
18
19__HEAD
20SYM_CODE_START(startup_continue)
21	larl	%r1,tod_clock_base
22	GET_LC	%r2
23	mvc	0(16,%r1),__LC_BOOT_CLOCK(%r2)
 
 
 
 
 
24#
25# Setup stack
26#
27	larl	%r14,init_task
28	stg	%r14,__LC_CURRENT(%r2)
29	larl	%r15,init_thread_union+STACK_INIT_OFFSET
30	stg	%r15,__LC_KERNEL_STACK(%r2)
31	brasl	%r14,sclp_early_adjust_va	# allow sclp_early_printk
 
32	brasl	%r14,startup_init		# s390 specific early init
33	brasl	%r14,start_kernel		# common init code
34#
35# We returned from start_kernel ?!? PANIK
36#
37	basr	%r13,0
38	lpswe	dw_psw-.(%r13)		# load disabled wait psw
39SYM_CODE_END(startup_continue)
40
41	.balign	16
42SYM_DATA_LOCAL(dw_psw,	.quad 0x0002000180000000,0x0000000000000000)
 

 1/* SPDX-License-Identifier: GPL-2.0 */
 2/*
 3 * Copyright IBM Corp. 1999, 2010
 4 *
 5 *   Author(s):	Hartmut Penner <hp@de.ibm.com>
 6 *		Martin Schwidefsky <schwidefsky@de.ibm.com>
 7 *		Rob van der Heij <rvdhei@iae.nl>
 8 *		Heiko Carstens <heiko.carstens@de.ibm.com>
 9 *
10 */
11
12#include <linux/init.h>
13#include <linux/linkage.h>
 
14#include <asm/asm-offsets.h>
15#include <asm/thread_info.h>
16#include <asm/page.h>
17#include <asm/ptrace.h>
18
19__HEAD
20ENTRY(startup_continue)
21	tm	__LC_STFLE_FAC_LIST+5,0x80	# LPP available ?
22	jz	0f
23	xc	__LC_LPP+1(7,0),__LC_LPP+1	# clear lpp and current_pid
24	mvi	__LC_LPP,0x80			#   and set LPP_MAGIC
25	.insn	s,0xb2800000,__LC_LPP		# load program parameter
260:	larl	%r1,tod_clock_base
27	mvc	0(16,%r1),__LC_BOOT_CLOCK
28	larl	%r13,.LPG1		# get base
29#
30# Setup stack
31#
32	larl	%r14,init_task
33	stg	%r14,__LC_CURRENT
34	larl	%r15,init_thread_union+THREAD_SIZE-STACK_FRAME_OVERHEAD-__PT_SIZE
35#ifdef CONFIG_KASAN
36	brasl	%r14,kasan_early_init
37#endif
38	brasl	%r14,startup_init		# s390 specific early init
39	brasl	%r14,start_kernel		# common init code
40#
41# We returned from start_kernel ?!? PANIK
42#
43	basr	%r13,0
44	lpswe	.Ldw-.(%r13)		# load disabled wait psw
 
45
46	.align	16
47.LPG1:
48.Ldw:	.quad	0x0002000180000000,0x0000000000000000