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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
| commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
| tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /arch/s390/kernel/head64.S | |
| parent | Initial commit. (diff) | |
| download | linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip | |
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/s390/kernel/head64.S')
| -rw-r--r-- | arch/s390/kernel/head64.S | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/arch/s390/kernel/head64.S b/arch/s390/kernel/head64.S new file mode 100644 index 0000000000..45413b04ef --- /dev/null +++ b/arch/s390/kernel/head64.S @@ -0,0 +1,40 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright IBM Corp. 1999, 2010 + * + * Author(s): Hartmut Penner <hp@de.ibm.com> + * Martin Schwidefsky <schwidefsky@de.ibm.com> + * Rob van der Heij <rvdhei@iae.nl> + * + */ + +#include <linux/init.h> +#include <linux/linkage.h> +#include <asm/asm-offsets.h> +#include <asm/thread_info.h> +#include <asm/page.h> +#include <asm/ptrace.h> + +__HEAD +SYM_CODE_START(startup_continue) + larl %r1,tod_clock_base + mvc 0(16,%r1),__LC_BOOT_CLOCK +# +# Setup stack +# + larl %r14,init_task + stg %r14,__LC_CURRENT + larl %r15,init_thread_union+STACK_INIT_OFFSET + stg %r15,__LC_KERNEL_STACK + brasl %r14,sclp_early_adjust_va # allow sclp_early_printk + brasl %r14,startup_init # s390 specific early init + brasl %r14,start_kernel # common init code +# +# We returned from start_kernel ?!? PANIK +# + basr %r13,0 + lpswe dw_psw-.(%r13) # load disabled wait psw +SYM_CODE_END(startup_continue) + + .balign 16 +SYM_DATA_LOCAL(dw_psw, .quad 0x0002000180000000,0x0000000000000000) |