| 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 |
| 20 | SYM_CODE_START(startup_continue) |
| 21 | # |
| 22 | # Setup stack |
| 23 | # |
| 24 | GET_LC %r2 |
| 25 | larl %r14,init_task |
| 26 | stg %r14,__LC_CURRENT(%r2) |
| 27 | larl %r15,init_thread_union+STACK_INIT_OFFSET |
| 28 | stg %r15,__LC_KERNEL_STACK(%r2) |
| 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 | |