91 lines
1.9 KiB
ArmAsm
91 lines
1.9 KiB
ArmAsm
/*
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* arch/s390/kernel/reset.S
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*
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* Copyright (C) IBM Corp. 2006
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* Author(s): Heiko Carstens <heiko.carstens@de.ibm.com>
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* Michael Holzheu <holzheu@de.ibm.com>
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*/
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#include <asm/ptrace.h>
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#include <asm/lowcore.h>
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#ifdef CONFIG_64BIT
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.globl reset_mcck_handler
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reset_mcck_handler:
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basr %r13,0
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0: lg %r15,__LC_PANIC_STACK # load panic stack
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aghi %r15,-STACK_FRAME_OVERHEAD
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lg %r1,s390_reset_mcck_handler-0b(%r13)
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ltgr %r1,%r1
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jz 1f
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basr %r14,%r1
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1: la %r1,4095
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lmg %r0,%r15,__LC_GPREGS_SAVE_AREA-4095(%r1)
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lpswe __LC_MCK_OLD_PSW
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.globl s390_reset_mcck_handler
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s390_reset_mcck_handler:
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.quad 0
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.globl reset_pgm_handler
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reset_pgm_handler:
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stmg %r0,%r15,__LC_SAVE_AREA
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basr %r13,0
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0: lg %r15,__LC_PANIC_STACK # load panic stack
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aghi %r15,-STACK_FRAME_OVERHEAD
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lg %r1,s390_reset_pgm_handler-0b(%r13)
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ltgr %r1,%r1
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jz 1f
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basr %r14,%r1
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lmg %r0,%r15,__LC_SAVE_AREA
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lpswe __LC_PGM_OLD_PSW
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1: lpswe disabled_wait_psw-0b(%r13)
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.globl s390_reset_pgm_handler
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s390_reset_pgm_handler:
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.quad 0
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.align 8
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disabled_wait_psw:
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.quad 0x0002000180000000,0x0000000000000000 + reset_pgm_handler
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#else /* CONFIG_64BIT */
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.globl reset_mcck_handler
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reset_mcck_handler:
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basr %r13,0
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0: l %r15,__LC_PANIC_STACK # load panic stack
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ahi %r15,-STACK_FRAME_OVERHEAD
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l %r1,s390_reset_mcck_handler-0b(%r13)
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ltr %r1,%r1
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jz 1f
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basr %r14,%r1
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1: lm %r0,%r15,__LC_GPREGS_SAVE_AREA
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lpsw __LC_MCK_OLD_PSW
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.globl s390_reset_mcck_handler
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s390_reset_mcck_handler:
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.long 0
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.globl reset_pgm_handler
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reset_pgm_handler:
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stm %r0,%r15,__LC_SAVE_AREA
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basr %r13,0
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0: l %r15,__LC_PANIC_STACK # load panic stack
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ahi %r15,-STACK_FRAME_OVERHEAD
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l %r1,s390_reset_pgm_handler-0b(%r13)
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ltr %r1,%r1
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jz 1f
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basr %r14,%r1
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lm %r0,%r15,__LC_SAVE_AREA
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lpsw __LC_PGM_OLD_PSW
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1: lpsw disabled_wait_psw-0b(%r13)
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.globl s390_reset_pgm_handler
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s390_reset_pgm_handler:
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.long 0
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disabled_wait_psw:
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.align 8
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.long 0x000a0000,0x00000000 + reset_pgm_handler
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#endif /* CONFIG_64BIT */
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