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 49