Disintegrate asm/system.h for S390
Disintegrate asm/system.h for S390. Signed-off-by: David Howells <dhowells@redhat.com> cc: linux-s390@vger.kernel.org
This commit is contained in:
parent
ae3a197e3d
commit
a0616cdebc
39 changed files with 369 additions and 335 deletions
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@ -17,6 +17,7 @@
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#define _CRYPTO_ARCH_S390_CRYPT_S390_H
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#include <asm/errno.h>
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#include <asm/facility.h>
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#define CRYPT_S390_OP_MASK 0xFF00
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#define CRYPT_S390_FUNC_MASK 0x00FF
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@ -15,7 +15,7 @@
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#include <linux/compiler.h>
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#include <linux/types.h>
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#include <asm/system.h>
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#include <asm/cmpxchg.h>
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#define ATOMIC_INIT(i) { (i) }
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35
arch/s390/include/asm/barrier.h
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35
arch/s390/include/asm/barrier.h
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@ -0,0 +1,35 @@
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/*
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* Copyright IBM Corp. 1999, 2009
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*
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* Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com>
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*/
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#ifndef __ASM_BARRIER_H
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#define __ASM_BARRIER_H
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/*
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* Force strict CPU ordering.
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* And yes, this is required on UP too when we're talking
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* to devices.
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*
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* This is very similar to the ppc eieio/sync instruction in that is
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* does a checkpoint syncronisation & makes sure that
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* all memory ops have completed wrt other CPU's ( see 7-15 POP DJB ).
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*/
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#define eieio() asm volatile("bcr 15,0" : : : "memory")
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#define SYNC_OTHER_CORES(x) eieio()
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#define mb() eieio()
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#define rmb() eieio()
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#define wmb() eieio()
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#define read_barrier_depends() do { } while(0)
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#define smp_mb() mb()
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#define smp_rmb() rmb()
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#define smp_wmb() wmb()
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#define smp_read_barrier_depends() read_barrier_depends()
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#define smp_mb__before_clear_bit() smp_mb()
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#define smp_mb__after_clear_bit() smp_mb()
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#define set_mb(var, value) do { var = value; mb(); } while (0)
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#endif /* __ASM_BARRIER_H */
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76
arch/s390/include/asm/ctl_reg.h
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76
arch/s390/include/asm/ctl_reg.h
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@ -0,0 +1,76 @@
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/*
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* Copyright IBM Corp. 1999, 2009
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*
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* Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com>
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*/
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#ifndef __ASM_CTL_REG_H
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#define __ASM_CTL_REG_H
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#ifdef __s390x__
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#define __ctl_load(array, low, high) ({ \
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typedef struct { char _[sizeof(array)]; } addrtype; \
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asm volatile( \
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" lctlg %1,%2,%0\n" \
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: : "Q" (*(addrtype *)(&array)), \
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"i" (low), "i" (high)); \
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})
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#define __ctl_store(array, low, high) ({ \
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typedef struct { char _[sizeof(array)]; } addrtype; \
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asm volatile( \
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" stctg %1,%2,%0\n" \
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: "=Q" (*(addrtype *)(&array)) \
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: "i" (low), "i" (high)); \
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})
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#else /* __s390x__ */
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#define __ctl_load(array, low, high) ({ \
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typedef struct { char _[sizeof(array)]; } addrtype; \
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asm volatile( \
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" lctl %1,%2,%0\n" \
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: : "Q" (*(addrtype *)(&array)), \
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"i" (low), "i" (high)); \
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})
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#define __ctl_store(array, low, high) ({ \
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typedef struct { char _[sizeof(array)]; } addrtype; \
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asm volatile( \
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" stctl %1,%2,%0\n" \
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: "=Q" (*(addrtype *)(&array)) \
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: "i" (low), "i" (high)); \
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})
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#endif /* __s390x__ */
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#define __ctl_set_bit(cr, bit) ({ \
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unsigned long __dummy; \
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__ctl_store(__dummy, cr, cr); \
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__dummy |= 1UL << (bit); \
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__ctl_load(__dummy, cr, cr); \
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})
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#define __ctl_clear_bit(cr, bit) ({ \
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unsigned long __dummy; \
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__ctl_store(__dummy, cr, cr); \
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__dummy &= ~(1UL << (bit)); \
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__ctl_load(__dummy, cr, cr); \
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})
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#ifdef CONFIG_SMP
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extern void smp_ctl_set_bit(int cr, int bit);
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extern void smp_ctl_clear_bit(int cr, int bit);
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#define ctl_set_bit(cr, bit) smp_ctl_set_bit(cr, bit)
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#define ctl_clear_bit(cr, bit) smp_ctl_clear_bit(cr, bit)
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#else
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#define ctl_set_bit(cr, bit) __ctl_set_bit(cr, bit)
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#define ctl_clear_bit(cr, bit) __ctl_clear_bit(cr, bit)
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#endif /* CONFIG_SMP */
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#endif /* __ASM_CTL_REG_H */
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@ -129,7 +129,6 @@ typedef s390_fp_regs compat_elf_fpregset_t;
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typedef s390_compat_regs compat_elf_gregset_t;
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#include <linux/sched.h> /* for task_struct */
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#include <asm/system.h> /* for save_access_regs */
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#include <asm/mmu_context.h>
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#include <asm/vdso.h>
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12
arch/s390/include/asm/exec.h
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12
arch/s390/include/asm/exec.h
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/*
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* Copyright IBM Corp. 1999, 2009
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*
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* Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com>
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*/
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#ifndef __ASM_EXEC_H
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#define __ASM_EXEC_H
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extern unsigned long arch_align_stack(unsigned long sp);
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#endif /* __ASM_EXEC_H */
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63
arch/s390/include/asm/facility.h
Normal file
63
arch/s390/include/asm/facility.h
Normal file
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/*
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* Copyright IBM Corp. 1999, 2009
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*
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* Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com>
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*/
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#ifndef __ASM_FACILITY_H
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#define __ASM_FACILITY_H
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#include <linux/string.h>
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#include <linux/preempt.h>
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#include <asm/lowcore.h>
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#define MAX_FACILITY_BIT (256*8) /* stfle_fac_list has 256 bytes */
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/*
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* The test_facility function uses the bit odering where the MSB is bit 0.
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* That makes it easier to query facility bits with the bit number as
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* documented in the Principles of Operation.
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*/
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static inline int test_facility(unsigned long nr)
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{
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unsigned char *ptr;
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if (nr >= MAX_FACILITY_BIT)
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return 0;
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ptr = (unsigned char *) &S390_lowcore.stfle_fac_list + (nr >> 3);
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return (*ptr & (0x80 >> (nr & 7))) != 0;
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}
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/**
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* stfle - Store facility list extended
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* @stfle_fac_list: array where facility list can be stored
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* @size: size of passed in array in double words
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*/
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static inline void stfle(u64 *stfle_fac_list, int size)
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{
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unsigned long nr;
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preempt_disable();
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S390_lowcore.stfl_fac_list = 0;
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asm volatile(
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" .insn s,0xb2b10000,0(0)\n" /* stfl */
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"0:\n"
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EX_TABLE(0b, 0b)
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: "=m" (S390_lowcore.stfl_fac_list));
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nr = 4; /* bytes stored by stfl */
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memcpy(stfle_fac_list, &S390_lowcore.stfl_fac_list, 4);
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if (S390_lowcore.stfl_fac_list & 0x01000000) {
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/* More facility bits available with stfle */
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register unsigned long reg0 asm("0") = size - 1;
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asm volatile(".insn s,0xb2b00000,0(%1)" /* stfle */
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: "+d" (reg0)
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: "a" (stfle_fac_list)
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: "memory", "cc");
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nr = (reg0 + 1) * 8; /* # bytes stored by stfle */
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}
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memset((char *) stfle_fac_list + nr, 0, size * 8 - nr);
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preempt_enable();
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}
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#endif /* __ASM_FACILITY_H */
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@ -21,4 +21,18 @@ typedef struct {
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.context.pgtable_list = LIST_HEAD_INIT(name.context.pgtable_list), \
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.context.gmap_list = LIST_HEAD_INIT(name.context.gmap_list),
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static inline int tprot(unsigned long addr)
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{
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int rc = -EFAULT;
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asm volatile(
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" tprot 0(%1),0\n"
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"0: ipm %0\n"
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" srl %0,28\n"
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"1:\n"
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EX_TABLE(0b,1b)
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: "+d" (rc) : "a" (addr) : "cc");
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return rc;
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}
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#endif
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#include <asm/pgalloc.h>
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#include <asm/uaccess.h>
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#include <asm/tlbflush.h>
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#include <asm/ctl_reg.h>
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#include <asm-generic/mm_hooks.h>
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static inline int init_new_context(struct task_struct *tsk,
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#define __ASM_S390_PROCESSOR_H
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#include <linux/linkage.h>
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#include <linux/irqflags.h>
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#include <asm/cpu.h>
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#include <asm/page.h>
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#include <asm/ptrace.h>
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#define KSTK_EIP(tsk) (task_pt_regs(tsk)->psw.addr)
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#define KSTK_ESP(tsk) (task_pt_regs(tsk)->gprs[15])
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static inline unsigned short stap(void)
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{
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unsigned short cpu_address;
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asm volatile("stap %0" : "=m" (cpu_address));
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return cpu_address;
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}
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/*
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* Give up the time slice of the virtual PU.
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*/
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while (1);
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}
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/*
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* Use to set psw mask except for the first byte which
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* won't be changed by this function.
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*/
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static inline void
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__set_psw_mask(unsigned long mask)
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{
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__load_psw_mask(mask | (arch_local_save_flags() & ~(-1UL >> 8)));
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}
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#define local_mcck_enable() \
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__set_psw_mask(psw_kernel_bits | PSW_MASK_DAT | PSW_MASK_MCHECK)
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#define local_mcck_disable() \
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__set_psw_mask(psw_kernel_bits | PSW_MASK_DAT)
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/*
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* Basic Machine Check/Program Check Handler.
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*/
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#define NSS_NAME_SIZE 8
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extern char kernel_nss_name[];
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#ifdef CONFIG_PFAULT
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extern int pfault_init(void);
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extern void pfault_fini(void);
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#else /* CONFIG_PFAULT */
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#define pfault_init() ({-1;})
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#define pfault_fini() do { } while (0)
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#endif /* CONFIG_PFAULT */
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extern void cmma_init(void);
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extern void (*_machine_restart)(char *command);
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extern void (*_machine_halt)(void);
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extern void (*_machine_power_off)(void);
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#else /* __ASSEMBLY__ */
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#ifndef __s390x__
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@ -9,7 +9,7 @@
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#ifdef CONFIG_SMP
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#include <asm/system.h>
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#include <asm/lowcore.h>
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#define raw_smp_processor_id() (S390_lowcore.cpu_nr)
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100
arch/s390/include/asm/switch_to.h
Normal file
100
arch/s390/include/asm/switch_to.h
Normal file
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/*
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* Copyright IBM Corp. 1999, 2009
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*
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* Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com>
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*/
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#ifndef __ASM_SWITCH_TO_H
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#define __ASM_SWITCH_TO_H
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#include <linux/thread_info.h>
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extern struct task_struct *__switch_to(void *, void *);
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extern void update_per_regs(struct task_struct *task);
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static inline void save_fp_regs(s390_fp_regs *fpregs)
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{
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asm volatile(
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" std 0,%O0+8(%R0)\n"
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" std 2,%O0+24(%R0)\n"
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" std 4,%O0+40(%R0)\n"
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" std 6,%O0+56(%R0)"
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: "=Q" (*fpregs) : "Q" (*fpregs));
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if (!MACHINE_HAS_IEEE)
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return;
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asm volatile(
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" stfpc %0\n"
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" std 1,%O0+16(%R0)\n"
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" std 3,%O0+32(%R0)\n"
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" std 5,%O0+48(%R0)\n"
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" std 7,%O0+64(%R0)\n"
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" std 8,%O0+72(%R0)\n"
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" std 9,%O0+80(%R0)\n"
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" std 10,%O0+88(%R0)\n"
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" std 11,%O0+96(%R0)\n"
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" std 12,%O0+104(%R0)\n"
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" std 13,%O0+112(%R0)\n"
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" std 14,%O0+120(%R0)\n"
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" std 15,%O0+128(%R0)\n"
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: "=Q" (*fpregs) : "Q" (*fpregs));
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}
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static inline void restore_fp_regs(s390_fp_regs *fpregs)
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{
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asm volatile(
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" ld 0,%O0+8(%R0)\n"
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" ld 2,%O0+24(%R0)\n"
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" ld 4,%O0+40(%R0)\n"
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" ld 6,%O0+56(%R0)"
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: : "Q" (*fpregs));
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if (!MACHINE_HAS_IEEE)
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return;
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asm volatile(
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" lfpc %0\n"
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" ld 1,%O0+16(%R0)\n"
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" ld 3,%O0+32(%R0)\n"
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" ld 5,%O0+48(%R0)\n"
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" ld 7,%O0+64(%R0)\n"
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" ld 8,%O0+72(%R0)\n"
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" ld 9,%O0+80(%R0)\n"
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" ld 10,%O0+88(%R0)\n"
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" ld 11,%O0+96(%R0)\n"
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" ld 12,%O0+104(%R0)\n"
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" ld 13,%O0+112(%R0)\n"
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" ld 14,%O0+120(%R0)\n"
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" ld 15,%O0+128(%R0)\n"
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: : "Q" (*fpregs));
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}
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static inline void save_access_regs(unsigned int *acrs)
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{
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asm volatile("stam 0,15,%0" : "=Q" (*acrs));
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}
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static inline void restore_access_regs(unsigned int *acrs)
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{
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asm volatile("lam 0,15,%0" : : "Q" (*acrs));
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}
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#define switch_to(prev,next,last) do { \
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if (prev->mm) { \
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save_fp_regs(&prev->thread.fp_regs); \
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save_access_regs(&prev->thread.acrs[0]); \
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} \
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if (next->mm) { \
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restore_fp_regs(&next->thread.fp_regs); \
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restore_access_regs(&next->thread.acrs[0]); \
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update_per_regs(next); \
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} \
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prev = __switch_to(prev,next); \
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} while (0)
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extern void account_vtime(struct task_struct *, struct task_struct *);
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extern void account_tick_vtime(struct task_struct *);
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#define finish_arch_switch(prev) do { \
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set_fs(current->thread.mm_segment); \
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account_vtime(prev, current); \
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} while (0)
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#endif /* __ASM_SWITCH_TO_H */
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@ -1,315 +1,7 @@
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/*
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* Copyright IBM Corp. 1999, 2009
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*
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* Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com>
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*/
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#ifndef __ASM_SYSTEM_H
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#define __ASM_SYSTEM_H
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#include <linux/preempt.h>
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#include <linux/kernel.h>
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#include <linux/errno.h>
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#include <linux/string.h>
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#include <asm/types.h>
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#include <asm/ptrace.h>
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#include <asm/setup.h>
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#include <asm/processor.h>
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#include <asm/lowcore.h>
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/* FILE TO BE DELETED. DO NOT ADD STUFF HERE! */
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#include <asm/barrier.h>
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#include <asm/cmpxchg.h>
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#ifdef __KERNEL__
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struct task_struct;
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|
||||
extern struct task_struct *__switch_to(void *, void *);
|
||||
extern void update_per_regs(struct task_struct *task);
|
||||
|
||||
static inline void save_fp_regs(s390_fp_regs *fpregs)
|
||||
{
|
||||
asm volatile(
|
||||
" std 0,%O0+8(%R0)\n"
|
||||
" std 2,%O0+24(%R0)\n"
|
||||
" std 4,%O0+40(%R0)\n"
|
||||
" std 6,%O0+56(%R0)"
|
||||
: "=Q" (*fpregs) : "Q" (*fpregs));
|
||||
if (!MACHINE_HAS_IEEE)
|
||||
return;
|
||||
asm volatile(
|
||||
" stfpc %0\n"
|
||||
" std 1,%O0+16(%R0)\n"
|
||||
" std 3,%O0+32(%R0)\n"
|
||||
" std 5,%O0+48(%R0)\n"
|
||||
" std 7,%O0+64(%R0)\n"
|
||||
" std 8,%O0+72(%R0)\n"
|
||||
" std 9,%O0+80(%R0)\n"
|
||||
" std 10,%O0+88(%R0)\n"
|
||||
" std 11,%O0+96(%R0)\n"
|
||||
" std 12,%O0+104(%R0)\n"
|
||||
" std 13,%O0+112(%R0)\n"
|
||||
" std 14,%O0+120(%R0)\n"
|
||||
" std 15,%O0+128(%R0)\n"
|
||||
: "=Q" (*fpregs) : "Q" (*fpregs));
|
||||
}
|
||||
|
||||
static inline void restore_fp_regs(s390_fp_regs *fpregs)
|
||||
{
|
||||
asm volatile(
|
||||
" ld 0,%O0+8(%R0)\n"
|
||||
" ld 2,%O0+24(%R0)\n"
|
||||
" ld 4,%O0+40(%R0)\n"
|
||||
" ld 6,%O0+56(%R0)"
|
||||
: : "Q" (*fpregs));
|
||||
if (!MACHINE_HAS_IEEE)
|
||||
return;
|
||||
asm volatile(
|
||||
" lfpc %0\n"
|
||||
" ld 1,%O0+16(%R0)\n"
|
||||
" ld 3,%O0+32(%R0)\n"
|
||||
" ld 5,%O0+48(%R0)\n"
|
||||
" ld 7,%O0+64(%R0)\n"
|
||||
" ld 8,%O0+72(%R0)\n"
|
||||
" ld 9,%O0+80(%R0)\n"
|
||||
" ld 10,%O0+88(%R0)\n"
|
||||
" ld 11,%O0+96(%R0)\n"
|
||||
" ld 12,%O0+104(%R0)\n"
|
||||
" ld 13,%O0+112(%R0)\n"
|
||||
" ld 14,%O0+120(%R0)\n"
|
||||
" ld 15,%O0+128(%R0)\n"
|
||||
: : "Q" (*fpregs));
|
||||
}
|
||||
|
||||
static inline void save_access_regs(unsigned int *acrs)
|
||||
{
|
||||
asm volatile("stam 0,15,%0" : "=Q" (*acrs));
|
||||
}
|
||||
|
||||
static inline void restore_access_regs(unsigned int *acrs)
|
||||
{
|
||||
asm volatile("lam 0,15,%0" : : "Q" (*acrs));
|
||||
}
|
||||
|
||||
#define switch_to(prev,next,last) do { \
|
||||
if (prev->mm) { \
|
||||
save_fp_regs(&prev->thread.fp_regs); \
|
||||
save_access_regs(&prev->thread.acrs[0]); \
|
||||
} \
|
||||
if (next->mm) { \
|
||||
restore_fp_regs(&next->thread.fp_regs); \
|
||||
restore_access_regs(&next->thread.acrs[0]); \
|
||||
update_per_regs(next); \
|
||||
} \
|
||||
prev = __switch_to(prev,next); \
|
||||
} while (0)
|
||||
|
||||
extern void account_vtime(struct task_struct *, struct task_struct *);
|
||||
extern void account_tick_vtime(struct task_struct *);
|
||||
|
||||
#ifdef CONFIG_PFAULT
|
||||
extern int pfault_init(void);
|
||||
extern void pfault_fini(void);
|
||||
#else /* CONFIG_PFAULT */
|
||||
#define pfault_init() ({-1;})
|
||||
#define pfault_fini() do { } while (0)
|
||||
#endif /* CONFIG_PFAULT */
|
||||
|
||||
extern void cmma_init(void);
|
||||
extern int memcpy_real(void *, void *, size_t);
|
||||
extern void copy_to_absolute_zero(void *dest, void *src, size_t count);
|
||||
extern int copy_to_user_real(void __user *dest, void *src, size_t count);
|
||||
extern int copy_from_user_real(void *dest, void __user *src, size_t count);
|
||||
|
||||
#define finish_arch_switch(prev) do { \
|
||||
set_fs(current->thread.mm_segment); \
|
||||
account_vtime(prev, current); \
|
||||
} while (0)
|
||||
|
||||
#define nop() asm volatile("nop")
|
||||
|
||||
/*
|
||||
* Force strict CPU ordering.
|
||||
* And yes, this is required on UP too when we're talking
|
||||
* to devices.
|
||||
*
|
||||
* This is very similar to the ppc eieio/sync instruction in that is
|
||||
* does a checkpoint syncronisation & makes sure that
|
||||
* all memory ops have completed wrt other CPU's ( see 7-15 POP DJB ).
|
||||
*/
|
||||
|
||||
#define eieio() asm volatile("bcr 15,0" : : : "memory")
|
||||
#define SYNC_OTHER_CORES(x) eieio()
|
||||
#define mb() eieio()
|
||||
#define rmb() eieio()
|
||||
#define wmb() eieio()
|
||||
#define read_barrier_depends() do { } while(0)
|
||||
#define smp_mb() mb()
|
||||
#define smp_rmb() rmb()
|
||||
#define smp_wmb() wmb()
|
||||
#define smp_read_barrier_depends() read_barrier_depends()
|
||||
#define smp_mb__before_clear_bit() smp_mb()
|
||||
#define smp_mb__after_clear_bit() smp_mb()
|
||||
|
||||
|
||||
#define set_mb(var, value) do { var = value; mb(); } while (0)
|
||||
|
||||
#ifdef __s390x__
|
||||
|
||||
#define __ctl_load(array, low, high) ({ \
|
||||
typedef struct { char _[sizeof(array)]; } addrtype; \
|
||||
asm volatile( \
|
||||
" lctlg %1,%2,%0\n" \
|
||||
: : "Q" (*(addrtype *)(&array)), \
|
||||
"i" (low), "i" (high)); \
|
||||
})
|
||||
|
||||
#define __ctl_store(array, low, high) ({ \
|
||||
typedef struct { char _[sizeof(array)]; } addrtype; \
|
||||
asm volatile( \
|
||||
" stctg %1,%2,%0\n" \
|
||||
: "=Q" (*(addrtype *)(&array)) \
|
||||
: "i" (low), "i" (high)); \
|
||||
})
|
||||
|
||||
#else /* __s390x__ */
|
||||
|
||||
#define __ctl_load(array, low, high) ({ \
|
||||
typedef struct { char _[sizeof(array)]; } addrtype; \
|
||||
asm volatile( \
|
||||
" lctl %1,%2,%0\n" \
|
||||
: : "Q" (*(addrtype *)(&array)), \
|
||||
"i" (low), "i" (high)); \
|
||||
})
|
||||
|
||||
#define __ctl_store(array, low, high) ({ \
|
||||
typedef struct { char _[sizeof(array)]; } addrtype; \
|
||||
asm volatile( \
|
||||
" stctl %1,%2,%0\n" \
|
||||
: "=Q" (*(addrtype *)(&array)) \
|
||||
: "i" (low), "i" (high)); \
|
||||
})
|
||||
|
||||
#endif /* __s390x__ */
|
||||
|
||||
#define __ctl_set_bit(cr, bit) ({ \
|
||||
unsigned long __dummy; \
|
||||
__ctl_store(__dummy, cr, cr); \
|
||||
__dummy |= 1UL << (bit); \
|
||||
__ctl_load(__dummy, cr, cr); \
|
||||
})
|
||||
|
||||
#define __ctl_clear_bit(cr, bit) ({ \
|
||||
unsigned long __dummy; \
|
||||
__ctl_store(__dummy, cr, cr); \
|
||||
__dummy &= ~(1UL << (bit)); \
|
||||
__ctl_load(__dummy, cr, cr); \
|
||||
})
|
||||
|
||||
/*
|
||||
* Use to set psw mask except for the first byte which
|
||||
* won't be changed by this function.
|
||||
*/
|
||||
static inline void
|
||||
__set_psw_mask(unsigned long mask)
|
||||
{
|
||||
__load_psw_mask(mask | (arch_local_save_flags() & ~(-1UL >> 8)));
|
||||
}
|
||||
|
||||
#define local_mcck_enable() \
|
||||
__set_psw_mask(psw_kernel_bits | PSW_MASK_DAT | PSW_MASK_MCHECK)
|
||||
#define local_mcck_disable() \
|
||||
__set_psw_mask(psw_kernel_bits | PSW_MASK_DAT)
|
||||
|
||||
#ifdef CONFIG_SMP
|
||||
|
||||
extern void smp_ctl_set_bit(int cr, int bit);
|
||||
extern void smp_ctl_clear_bit(int cr, int bit);
|
||||
#define ctl_set_bit(cr, bit) smp_ctl_set_bit(cr, bit)
|
||||
#define ctl_clear_bit(cr, bit) smp_ctl_clear_bit(cr, bit)
|
||||
|
||||
#else
|
||||
|
||||
#define ctl_set_bit(cr, bit) __ctl_set_bit(cr, bit)
|
||||
#define ctl_clear_bit(cr, bit) __ctl_clear_bit(cr, bit)
|
||||
|
||||
#endif /* CONFIG_SMP */
|
||||
|
||||
#define MAX_FACILITY_BIT (256*8) /* stfle_fac_list has 256 bytes */
|
||||
|
||||
/*
|
||||
* The test_facility function uses the bit odering where the MSB is bit 0.
|
||||
* That makes it easier to query facility bits with the bit number as
|
||||
* documented in the Principles of Operation.
|
||||
*/
|
||||
static inline int test_facility(unsigned long nr)
|
||||
{
|
||||
unsigned char *ptr;
|
||||
|
||||
if (nr >= MAX_FACILITY_BIT)
|
||||
return 0;
|
||||
ptr = (unsigned char *) &S390_lowcore.stfle_fac_list + (nr >> 3);
|
||||
return (*ptr & (0x80 >> (nr & 7))) != 0;
|
||||
}
|
||||
|
||||
/**
|
||||
* stfle - Store facility list extended
|
||||
* @stfle_fac_list: array where facility list can be stored
|
||||
* @size: size of passed in array in double words
|
||||
*/
|
||||
static inline void stfle(u64 *stfle_fac_list, int size)
|
||||
{
|
||||
unsigned long nr;
|
||||
|
||||
preempt_disable();
|
||||
S390_lowcore.stfl_fac_list = 0;
|
||||
asm volatile(
|
||||
" .insn s,0xb2b10000,0(0)\n" /* stfl */
|
||||
"0:\n"
|
||||
EX_TABLE(0b, 0b)
|
||||
: "=m" (S390_lowcore.stfl_fac_list));
|
||||
nr = 4; /* bytes stored by stfl */
|
||||
memcpy(stfle_fac_list, &S390_lowcore.stfl_fac_list, 4);
|
||||
if (S390_lowcore.stfl_fac_list & 0x01000000) {
|
||||
/* More facility bits available with stfle */
|
||||
register unsigned long reg0 asm("0") = size - 1;
|
||||
|
||||
asm volatile(".insn s,0xb2b00000,0(%1)" /* stfle */
|
||||
: "+d" (reg0)
|
||||
: "a" (stfle_fac_list)
|
||||
: "memory", "cc");
|
||||
nr = (reg0 + 1) * 8; /* # bytes stored by stfle */
|
||||
}
|
||||
memset((char *) stfle_fac_list + nr, 0, size * 8 - nr);
|
||||
preempt_enable();
|
||||
}
|
||||
|
||||
static inline unsigned short stap(void)
|
||||
{
|
||||
unsigned short cpu_address;
|
||||
|
||||
asm volatile("stap %0" : "=m" (cpu_address));
|
||||
return cpu_address;
|
||||
}
|
||||
|
||||
extern void (*_machine_restart)(char *command);
|
||||
extern void (*_machine_halt)(void);
|
||||
extern void (*_machine_power_off)(void);
|
||||
|
||||
extern unsigned long arch_align_stack(unsigned long sp);
|
||||
|
||||
static inline int tprot(unsigned long addr)
|
||||
{
|
||||
int rc = -EFAULT;
|
||||
|
||||
asm volatile(
|
||||
" tprot 0(%1),0\n"
|
||||
"0: ipm %0\n"
|
||||
" srl %0,28\n"
|
||||
"1:\n"
|
||||
EX_TABLE(0b,1b)
|
||||
: "+d" (rc) : "a" (addr) : "cc");
|
||||
return rc;
|
||||
}
|
||||
|
||||
#endif /* __KERNEL__ */
|
||||
|
||||
#endif
|
||||
#include <asm/ctl_reg.h>
|
||||
#include <asm/exec.h>
|
||||
#include <asm/facility.h>
|
||||
#include <asm/switch_to.h>
|
||||
|
|
|
@ -16,6 +16,7 @@
|
|||
*/
|
||||
#include <linux/sched.h>
|
||||
#include <linux/errno.h>
|
||||
#include <asm/ctl_reg.h>
|
||||
|
||||
#define VERIFY_READ 0
|
||||
#define VERIFY_WRITE 1
|
||||
|
@ -375,4 +376,9 @@ clear_user(void __user *to, unsigned long n)
|
|||
return n;
|
||||
}
|
||||
|
||||
extern int memcpy_real(void *, void *, size_t);
|
||||
extern void copy_to_absolute_zero(void *dest, void *src, size_t count);
|
||||
extern int copy_to_user_real(void __user *dest, void *src, size_t count);
|
||||
extern int copy_from_user_real(void *dest, void __user *src, size_t count);
|
||||
|
||||
#endif /* __S390_UACCESS_H */
|
||||
|
|
|
@ -12,7 +12,6 @@
|
|||
#include <asm/timer.h>
|
||||
#include <asm/vdso.h>
|
||||
#include <asm/pgtable.h>
|
||||
#include <asm/system.h>
|
||||
|
||||
/*
|
||||
* Make sure that the compiler is new enough. We want a compiler that
|
||||
|
|
|
@ -27,6 +27,7 @@
|
|||
#include <asm/ucontext.h>
|
||||
#include <asm/uaccess.h>
|
||||
#include <asm/lowcore.h>
|
||||
#include <asm/switch_to.h>
|
||||
#include "compat_linux.h"
|
||||
#include "compat_ptrace.h"
|
||||
#include "entry.h"
|
||||
|
|
|
@ -18,7 +18,6 @@
|
|||
#include <linux/string.h>
|
||||
#include <asm/ebcdic.h>
|
||||
#include <asm/cpcmd.h>
|
||||
#include <asm/system.h>
|
||||
#include <asm/io.h>
|
||||
|
||||
static DEFINE_SPINLOCK(cpcmd_lock);
|
||||
|
|
|
@ -24,7 +24,6 @@
|
|||
#include <linux/kprobes.h>
|
||||
#include <linux/kdebug.h>
|
||||
|
||||
#include <asm/system.h>
|
||||
#include <asm/uaccess.h>
|
||||
#include <asm/io.h>
|
||||
#include <linux/atomic.h>
|
||||
|
|
|
@ -29,7 +29,7 @@
|
|||
#include <asm/sysinfo.h>
|
||||
#include <asm/cpcmd.h>
|
||||
#include <asm/sclp.h>
|
||||
#include <asm/system.h>
|
||||
#include <asm/facility.h>
|
||||
#include "entry.h"
|
||||
|
||||
/*
|
||||
|
|
|
@ -10,7 +10,6 @@
|
|||
#include <linux/slab.h>
|
||||
#include <asm/sysinfo.h>
|
||||
#include <asm/ebcdic.h>
|
||||
#include <asm/system.h>
|
||||
#include <asm/debug.h>
|
||||
#include <asm/ipl.h>
|
||||
|
||||
|
|
|
@ -19,7 +19,6 @@
|
|||
#include <asm/setup.h>
|
||||
#include <asm/pgtable.h>
|
||||
#include <asm/pgalloc.h>
|
||||
#include <asm/system.h>
|
||||
#include <asm/smp.h>
|
||||
#include <asm/reset.h>
|
||||
#include <asm/ipl.h>
|
||||
|
|
|
@ -12,7 +12,6 @@
|
|||
#include <linux/kernel.h>
|
||||
#include <asm/checksum.h>
|
||||
#include <asm/lowcore.h>
|
||||
#include <asm/system.h>
|
||||
#include <asm/os_info.h>
|
||||
|
||||
/*
|
||||
|
|
|
@ -23,13 +23,13 @@
|
|||
#include <linux/kprobes.h>
|
||||
#include <linux/random.h>
|
||||
#include <linux/module.h>
|
||||
#include <asm/system.h>
|
||||
#include <asm/io.h>
|
||||
#include <asm/processor.h>
|
||||
#include <asm/irq.h>
|
||||
#include <asm/timer.h>
|
||||
#include <asm/nmi.h>
|
||||
#include <asm/smp.h>
|
||||
#include <asm/switch_to.h>
|
||||
#include "entry.h"
|
||||
|
||||
asmlinkage void ret_from_fork(void) asm ("ret_from_fork");
|
||||
|
|
|
@ -26,9 +26,9 @@
|
|||
#include <asm/page.h>
|
||||
#include <asm/pgtable.h>
|
||||
#include <asm/pgalloc.h>
|
||||
#include <asm/system.h>
|
||||
#include <asm/uaccess.h>
|
||||
#include <asm/unistd.h>
|
||||
#include <asm/switch_to.h>
|
||||
#include "entry.h"
|
||||
|
||||
#ifdef CONFIG_COMPAT
|
||||
|
|
|
@ -50,7 +50,6 @@
|
|||
|
||||
#include <asm/ipl.h>
|
||||
#include <asm/uaccess.h>
|
||||
#include <asm/system.h>
|
||||
#include <asm/smp.h>
|
||||
#include <asm/mmu_context.h>
|
||||
#include <asm/cpcmd.h>
|
||||
|
|
|
@ -30,6 +30,7 @@
|
|||
#include <asm/ucontext.h>
|
||||
#include <asm/uaccess.h>
|
||||
#include <asm/lowcore.h>
|
||||
#include <asm/switch_to.h>
|
||||
#include "entry.h"
|
||||
|
||||
#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))
|
||||
|
|
|
@ -9,7 +9,7 @@
|
|||
#include <linux/pfn.h>
|
||||
#include <linux/suspend.h>
|
||||
#include <linux/mm.h>
|
||||
#include <asm/system.h>
|
||||
#include <asm/ctl_reg.h>
|
||||
|
||||
/*
|
||||
* References to section boundaries
|
||||
|
|
|
@ -33,7 +33,6 @@
|
|||
#include <linux/kprobes.h>
|
||||
#include <linux/bug.h>
|
||||
#include <linux/utsname.h>
|
||||
#include <asm/system.h>
|
||||
#include <asm/uaccess.h>
|
||||
#include <asm/io.h>
|
||||
#include <linux/atomic.h>
|
||||
|
|
|
@ -25,12 +25,12 @@
|
|||
#include <linux/compat.h>
|
||||
#include <asm/asm-offsets.h>
|
||||
#include <asm/pgtable.h>
|
||||
#include <asm/system.h>
|
||||
#include <asm/processor.h>
|
||||
#include <asm/mmu.h>
|
||||
#include <asm/mmu_context.h>
|
||||
#include <asm/sections.h>
|
||||
#include <asm/vdso.h>
|
||||
#include <asm/facility.h>
|
||||
|
||||
#if defined(CONFIG_32BIT) || defined(CONFIG_COMPAT)
|
||||
extern char vdso32_start, vdso32_end;
|
||||
|
|
|
@ -27,7 +27,7 @@
|
|||
#include <asm/lowcore.h>
|
||||
#include <asm/pgtable.h>
|
||||
#include <asm/nmi.h>
|
||||
#include <asm/system.h>
|
||||
#include <asm/switch_to.h>
|
||||
#include "kvm-s390.h"
|
||||
#include "gaccess.h"
|
||||
|
||||
|
|
|
@ -32,10 +32,10 @@
|
|||
#include <linux/uaccess.h>
|
||||
#include <linux/hugetlb.h>
|
||||
#include <asm/asm-offsets.h>
|
||||
#include <asm/system.h>
|
||||
#include <asm/pgtable.h>
|
||||
#include <asm/irq.h>
|
||||
#include <asm/mmu_context.h>
|
||||
#include <asm/facility.h>
|
||||
#include "../kernel/entry.h"
|
||||
|
||||
#ifndef CONFIG_64BIT
|
||||
|
|
|
@ -29,7 +29,6 @@
|
|||
#include <linux/export.h>
|
||||
#include <linux/gfp.h>
|
||||
#include <asm/processor.h>
|
||||
#include <asm/system.h>
|
||||
#include <asm/uaccess.h>
|
||||
#include <asm/pgtable.h>
|
||||
#include <asm/pgalloc.h>
|
||||
|
@ -38,6 +37,7 @@
|
|||
#include <asm/tlb.h>
|
||||
#include <asm/tlbflush.h>
|
||||
#include <asm/sections.h>
|
||||
#include <asm/ctl_reg.h>
|
||||
|
||||
pgd_t swapper_pg_dir[PTRS_PER_PGD] __attribute__((__aligned__(PAGE_SIZE)));
|
||||
|
||||
|
|
|
@ -12,7 +12,7 @@
|
|||
#include <linux/types.h>
|
||||
#include <linux/errno.h>
|
||||
#include <linux/gfp.h>
|
||||
#include <asm/system.h>
|
||||
#include <asm/ctl_reg.h>
|
||||
|
||||
/*
|
||||
* This function writes to kernel memory bypassing DAT and possible
|
||||
|
|
|
@ -18,7 +18,6 @@
|
|||
#include <linux/rcupdate.h>
|
||||
#include <linux/slab.h>
|
||||
|
||||
#include <asm/system.h>
|
||||
#include <asm/pgtable.h>
|
||||
#include <asm/pgalloc.h>
|
||||
#include <asm/tlb.h>
|
||||
|
|
|
@ -18,6 +18,7 @@
|
|||
#include <linux/oom.h>
|
||||
#include <linux/oprofile.h>
|
||||
|
||||
#include <asm/facility.h>
|
||||
#include <asm/lowcore.h>
|
||||
#include <asm/irq.h>
|
||||
|
||||
|
|
|
@ -21,6 +21,7 @@
|
|||
#include <asm/chpid.h>
|
||||
#include <asm/sclp.h>
|
||||
#include <asm/setup.h>
|
||||
#include <asm/ctl_reg.h>
|
||||
|
||||
#include "sclp.h"
|
||||
|
||||
|
|
|
@ -13,6 +13,7 @@
|
|||
#include <linux/init.h>
|
||||
#include <linux/wait.h>
|
||||
#include <asm/crw.h>
|
||||
#include <asm/ctl_reg.h>
|
||||
|
||||
static DEFINE_MUTEX(crw_handler_mutex);
|
||||
static crw_handler_t crw_handlers[NR_RSCS];
|
||||
|
|
|
@ -46,6 +46,7 @@
|
|||
#include <asm/isc.h>
|
||||
#include <linux/hrtimer.h>
|
||||
#include <linux/ktime.h>
|
||||
#include <asm/facility.h>
|
||||
|
||||
#include "ap_bus.h"
|
||||
|
||||
|
|
Loading…
Reference in a new issue