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/asm-offsets.h> |
14 | #include <asm/thread_info.h> |
15 | #include <asm/page.h> |
16 | #include <asm/ptrace.h> |
17 | |
18 | __HEAD |
19 | SYM_CODE_START(startup_continue) |
20 | larl %r1,tod_clock_base |
21 | mvc 0(16,%r1),__LC_BOOT_CLOCK |
22 | # |
23 | # Setup stack |
24 | # |
25 | larl %r14,init_task |
26 | stg %r14,__LC_CURRENT |
27 | larl %r15,init_thread_union+STACK_INIT_OFFSET |
28 | stg %r15,__LC_KERNEL_STACK |
29 | brasl %r14,sclp_early_adjust_va # allow sclp_early_printk |
30 | brasl %r14,startup_init # s390 specific early init |
31 | brasl %r14,start_kernel # common init code |
32 | # |
33 | # We returned from start_kernel ?!? PANIK |
34 | # |
35 | basr %r13,0 |
36 | lpswe dw_psw-.(%r13) # load disabled wait psw |
37 | SYM_CODE_END(startup_continue) |
38 | |
39 | .balign 16 |
40 | SYM_DATA_LOCAL(dw_psw, .quad 0x0002000180000000,0x0000000000000000) |
41 | |