1 /* SPDX-License-Identifier: GPL-2.0 */
3 * Copyright IBM Corp. 1999, 2010
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>
12 #include <linux/init.h>
13 #include <linux/linkage.h>
14 #include <asm/asm-offsets.h>
15 #include <asm/thread_info.h>
17 #include <asm/ptrace.h>
20 ENTRY(startup_continue)
21 larl %r1,tod_clock_base
22 mvc 0(16,%r1),__LC_BOOT_CLOCK
23 larl %r13,.LPG1 # get base
24 lctlg %c0,%c15,.Lctl-.LPG1(%r13) # load control registers
30 larl %r15,init_thread_union+THREAD_SIZE-STACK_FRAME_OVERHEAD-__PT_SIZE
32 brasl %r14,kasan_early_init
34 brasl %r14,startup_init # s390 specific early init
35 brasl %r14,start_kernel # common init code
37 # We returned from start_kernel ?!? PANIK
40 lpswe .Ldw-.(%r13) # load disabled wait psw
44 .Ldw: .quad 0x0002000180000000,0x0000000000000000
45 .Lctl: .quad 0x04040000 # cr0: AFP registers & secondary space
46 .quad 0 # cr1: primary space segment table
47 .quad 0 # cr2: dispatchable unit control table
48 .quad 0 # cr3: instruction authorization
49 .quad 0xffff # cr4: instruction authorization
50 .quad 0 # cr5: primary-aste origin
51 .quad 0 # cr6: I/O interrupts
52 .quad 0 # cr7: secondary space segment table
53 .quad 0x0000000000008000 # cr8: access registers translation
54 .quad 0 # cr9: tracing off
55 .quad 0 # cr10: tracing off
56 .quad 0 # cr11: tracing off
57 .quad 0 # cr12: tracing off
58 .quad 0 # cr13: home space segment table
59 .quad 0xc0000000 # cr14: machine check handling off
60 .quad 0 # cr15: linkage stack operations