mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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d590284419
- Add support for IBM z15 machines. - Add SHA3 and CCA AES cipher key support in zcrypt and pkey refactoring. - Move to arch_stack_walk infrastructure for the stack unwinder. - Various kasan fixes and improvements. - Various command line parsing fixes. - Improve decompressor phase debuggability. - Lift no bss usage restriction for the early code. - Use refcount_t for reference counters for couple of places in mm code. - Logging improvements and return code fix in vfio-ccw code. - Couple of zpci fixes and minor refactoring. - Remove some outdated documentation. - Fix secure boot detection. - Other various minor code clean ups. -----BEGIN PGP SIGNATURE----- iQEzBAABCAAdFiEE3QHqV+H2a8xAv27vjYWKoQLXFBgFAl1/pRoACgkQjYWKoQLX FBjxLQf/Y1nlmoc8URLqaqfNTczIvUzdfXuahI7L75RoIIiqHtcHBrVwauSr7Lma XVRzK/+6q0UPISrOIZEEtQKsMMM7rGuUv/+XTyrOB/Tsc31kN2EIRXltfXI/lkb8 BZdgch4Xs2rOD7y6TvqpYJsXYXsnLMWwCk8V+48V/pok4sEgMDgh0bTQRHPHYmZ6 1cv8ZQ0AeuVxC6ChM30LhajGRPkYd8RQ82K7fU7jxT0Tjzu66SyrW3pTwA5empBD RI2yBZJ8EXwJyTCpvN8NKiBgihDs9oUZl61Dyq3j64Mb1OuNUhxXA/8jmtnGn0ok O9vtImCWzExhjSMkvotuhHEC05nEEQ== =LCgE -----END PGP SIGNATURE----- Merge tag 's390-5.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux Pull s390 updates from Vasily Gorbik: - Add support for IBM z15 machines. - Add SHA3 and CCA AES cipher key support in zcrypt and pkey refactoring. - Move to arch_stack_walk infrastructure for the stack unwinder. - Various kasan fixes and improvements. - Various command line parsing fixes. - Improve decompressor phase debuggability. - Lift no bss usage restriction for the early code. - Use refcount_t for reference counters for couple of places in mm code. - Logging improvements and return code fix in vfio-ccw code. - Couple of zpci fixes and minor refactoring. - Remove some outdated documentation. - Fix secure boot detection. - Other various minor code clean ups. * tag 's390-5.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (48 commits) s390: remove pointless drivers-y in drivers/s390/Makefile s390/cpum_sf: Fix line length and format string s390/pci: fix MSI message data s390: add support for IBM z15 machines s390/crypto: Support for SHA3 via CPACF (MSA6) s390/startup: add pgm check info printing s390/crypto: xts-aes-s390 fix extra run-time crypto self tests finding vfio-ccw: fix error return code in vfio_ccw_sch_init() s390: vfio-ap: fix warning reset not completed s390/base: remove unused s390_base_mcck_handler s390/sclp: Fix bit checked for has_sipl s390/zcrypt: fix wrong handling of cca cipher keygenflags s390/kasan: add kdump support s390/setup: avoid using strncmp with hardcoded length s390/sclp: avoid using strncmp with hardcoded length s390/module: avoid using strncmp with hardcoded length s390/pci: avoid using strncmp with hardcoded length s390/kaslr: reserve memory for kasan usage s390/mem_detect: provide single get_mem_detect_end s390/cmma: reuse kstrtobool for option value parsing ...
63 lines
1.5 KiB
ArmAsm
63 lines
1.5 KiB
ArmAsm
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright IBM Corp. 1999, 2010
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*
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* Author(s): Hartmut Penner <hp@de.ibm.com>
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* Martin Schwidefsky <schwidefsky@de.ibm.com>
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* Rob van der Heij <rvdhei@iae.nl>
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* Heiko Carstens <heiko.carstens@de.ibm.com>
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*
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*/
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#include <linux/init.h>
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#include <linux/linkage.h>
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#include <asm/asm-offsets.h>
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#include <asm/thread_info.h>
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#include <asm/page.h>
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#include <asm/ptrace.h>
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__HEAD
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ENTRY(startup_continue)
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tm __LC_STFLE_FAC_LIST+5,0x80 # LPP available ?
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jz 0f
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xc __LC_LPP+1(7,0),__LC_LPP+1 # clear lpp and current_pid
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mvi __LC_LPP,0x80 # and set LPP_MAGIC
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.insn s,0xb2800000,__LC_LPP # load program parameter
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0: larl %r1,tod_clock_base
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mvc 0(16,%r1),__LC_BOOT_CLOCK
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larl %r13,.LPG1 # get base
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larl %r0,boot_vdso_data
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stg %r0,__LC_VDSO_PER_CPU
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#
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# Setup stack
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#
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larl %r14,init_task
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stg %r14,__LC_CURRENT
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larl %r15,init_thread_union+THREAD_SIZE-STACK_FRAME_OVERHEAD
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#ifdef CONFIG_KASAN
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brasl %r14,kasan_early_init
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#endif
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#
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# Early machine initialization and detection functions.
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#
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brasl %r14,startup_init
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# check control registers
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stctg %c0,%c15,0(%r15)
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oi 6(%r15),0x60 # enable sigp emergency & external call
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oi 4(%r15),0x10 # switch on low address proctection
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lctlg %c0,%c15,0(%r15)
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lam 0,15,.Laregs-.LPG1(%r13) # load acrs needed by uaccess
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brasl %r14,start_kernel # go to C code
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#
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# We returned from start_kernel ?!? PANIK
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#
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basr %r13,0
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lpswe .Ldw-.(%r13) # load disabled wait psw
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.align 16
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.LPG1:
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.Ldw: .quad 0x0002000180000000,0x0000000000000000
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.Laregs:.long 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
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