1 files changed, 0 insertions, 462 deletions
diff --git a/include/asm-s390/system.h b/include/asm-s390/system.h
deleted file mode 100644
index 819e7d9..0000000
--- a/include/asm-s390/system.h
+++ /dev/null
@@ -1,462 +0,0 @@
-/*
- *  include/asm-s390/system.h
- *
- *  S390 version
- *    Copyright (C) 1999 IBM Deutschland Entwicklung GmbH, IBM Corporation
- *    Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com),
- *
- *  Derived from "include/asm-i386/system.h"
- */
-
-#ifndef __ASM_SYSTEM_H
-#define __ASM_SYSTEM_H
-
-#include <linux/kernel.h>
-#include <asm/types.h>
-#include <asm/ptrace.h>
-#include <asm/setup.h>
-#include <asm/processor.h>
-#include <asm/lowcore.h>
-
-#ifdef __KERNEL__
-
-struct task_struct;
-
-extern struct task_struct *__switch_to(void *, void *);
-
-static inline void save_fp_regs(s390_fp_regs *fpregs)
-{
-	asm volatile(
-		"	std	0,8(%1)\n"
-		"	std	2,24(%1)\n"
-		"	std	4,40(%1)\n"
-		"	std	6,56(%1)"
-		: "=m" (*fpregs) : "a" (fpregs), "m" (*fpregs) : "memory");
-	if (!MACHINE_HAS_IEEE)
-		return;
-	asm volatile(
-		"	stfpc	0(%1)\n"
-		"	std	1,16(%1)\n"
-		"	std	3,32(%1)\n"
-		"	std	5,48(%1)\n"
-		"	std	7,64(%1)\n"
-		"	std	8,72(%1)\n"
-		"	std	9,80(%1)\n"
-		"	std	10,88(%1)\n"
-		"	std	11,96(%1)\n"
-		"	std	12,104(%1)\n"
-		"	std	13,112(%1)\n"
-		"	std	14,120(%1)\n"
-		"	std	15,128(%1)\n"
-		: "=m" (*fpregs) : "a" (fpregs), "m" (*fpregs) : "memory");
-}
-
-static inline void restore_fp_regs(s390_fp_regs *fpregs)
-{
-	asm volatile(
-		"	ld	0,8(%0)\n"
-		"	ld	2,24(%0)\n"
-		"	ld	4,40(%0)\n"
-		"	ld	6,56(%0)"
-		: : "a" (fpregs), "m" (*fpregs));
-	if (!MACHINE_HAS_IEEE)
-		return;
-	asm volatile(
-		"	lfpc	0(%0)\n"
-		"	ld	1,16(%0)\n"
-		"	ld	3,32(%0)\n"
-		"	ld	5,48(%0)\n"
-		"	ld	7,64(%0)\n"
-		"	ld	8,72(%0)\n"
-		"	ld	9,80(%0)\n"
-		"	ld	10,88(%0)\n"
-		"	ld	11,96(%0)\n"
-		"	ld	12,104(%0)\n"
-		"	ld	13,112(%0)\n"
-		"	ld	14,120(%0)\n"
-		"	ld	15,128(%0)\n"
-		: : "a" (fpregs), "m" (*fpregs));
-}
-
-static inline void save_access_regs(unsigned int *acrs)
-{
-	asm volatile("stam 0,15,0(%0)" : : "a" (acrs) : "memory");
-}
-
-static inline void restore_access_regs(unsigned int *acrs)
-{
-	asm volatile("lam 0,15,0(%0)" : : "a" (acrs));
-}
-
-#define switch_to(prev,next,last) do {					     \
-	if (prev == next)						     \
-		break;							     \
-	save_fp_regs(&prev->thread.fp_regs);				     \
-	restore_fp_regs(&next->thread.fp_regs);				     \
-	save_access_regs(&prev->thread.acrs[0]);			     \
-	restore_access_regs(&next->thread.acrs[0]);			     \
-	prev = __switch_to(prev,next);					     \
-} while (0)
-
-#ifdef CONFIG_VIRT_CPU_ACCOUNTING
-extern void account_vtime(struct task_struct *);
-extern void account_tick_vtime(struct task_struct *);
-extern void account_system_vtime(struct task_struct *);
-#else
-#define account_vtime(x) do { /* empty */ } while (0)
-#endif
-
-#ifdef CONFIG_PFAULT
-extern void pfault_irq_init(void);
-extern int pfault_init(void);
-extern void pfault_fini(void);
-#else /* CONFIG_PFAULT */
-#define pfault_irq_init()	do { } while (0)
-#define pfault_init()		({-1;})
-#define pfault_fini()		do { } while (0)
-#endif /* CONFIG_PFAULT */
-
-#ifdef CONFIG_PAGE_STATES
-extern void cmma_init(void);
-#else
-static inline void cmma_init(void) { }
-#endif
-
-#define finish_arch_switch(prev) do {					     \
-	set_fs(current->thread.mm_segment);				     \
-	account_vtime(prev);						     \
-} while (0)
-
-#define nop() asm volatile("nop")
-
-#define xchg(ptr,x)							  \
-({									  \
-	__typeof__(*(ptr)) __ret;					  \
-	__ret = (__typeof__(*(ptr)))					  \
-		__xchg((unsigned long)(x), (void *)(ptr),sizeof(*(ptr))); \
-	__ret;								  \
-})
-
-extern void __xchg_called_with_bad_pointer(void);
-
-static inline unsigned long __xchg(unsigned long x, void * ptr, int size)
-{
-	unsigned long addr, old;
-	int shift;
-
-        switch (size) {
-	case 1:
-		addr = (unsigned long) ptr;
-		shift = (3 ^ (addr & 3)) << 3;
-		addr ^= addr & 3;
-		asm volatile(
-			"	l	%0,0(%4)\n"
-			"0:	lr	0,%0\n"
-			"	nr	0,%3\n"
-			"	or	0,%2\n"
-			"	cs	%0,0,0(%4)\n"
-			"	jl	0b\n"
-			: "=&d" (old), "=m" (*(int *) addr)
-			: "d" (x << shift), "d" (~(255 << shift)), "a" (addr),
-			  "m" (*(int *) addr) : "memory", "cc", "0");
-		return old >> shift;
-	case 2:
-		addr = (unsigned long) ptr;
-		shift = (2 ^ (addr & 2)) << 3;
-		addr ^= addr & 2;
-		asm volatile(
-			"	l	%0,0(%4)\n"
-			"0:	lr	0,%0\n"
-			"	nr	0,%3\n"
-			"	or	0,%2\n"
-			"	cs	%0,0,0(%4)\n"
-			"	jl	0b\n"
-			: "=&d" (old), "=m" (*(int *) addr)
-			: "d" (x << shift), "d" (~(65535 << shift)), "a" (addr),
-			  "m" (*(int *) addr) : "memory", "cc", "0");
-		return old >> shift;
-	case 4:
-		asm volatile(
-			"	l	%0,0(%3)\n"
-			"0:	cs	%0,%2,0(%3)\n"
-			"	jl	0b\n"
-			: "=&d" (old), "=m" (*(int *) ptr)
-			: "d" (x), "a" (ptr), "m" (*(int *) ptr)
-			: "memory", "cc");
-		return old;
-#ifdef __s390x__
-	case 8:
-		asm volatile(
-			"	lg	%0,0(%3)\n"
-			"0:	csg	%0,%2,0(%3)\n"
-			"	jl	0b\n"
-			: "=&d" (old), "=m" (*(long *) ptr)
-			: "d" (x), "a" (ptr), "m" (*(long *) ptr)
-			: "memory", "cc");
-		return old;
-#endif /* __s390x__ */
-	}
-	__xchg_called_with_bad_pointer();
-	return x;
-}
-
-/*
- * Atomic compare and exchange.  Compare OLD with MEM, if identical,
- * store NEW in MEM.  Return the initial value in MEM.  Success is
- * indicated by comparing RETURN with OLD.
- */
-
-#define __HAVE_ARCH_CMPXCHG 1
-
-#define cmpxchg(ptr, o, n)						\
-	((__typeof__(*(ptr)))__cmpxchg((ptr), (unsigned long)(o),	\
-					(unsigned long)(n), sizeof(*(ptr))))
-
-extern void __cmpxchg_called_with_bad_pointer(void);
-
-static inline unsigned long
-__cmpxchg(volatile void *ptr, unsigned long old, unsigned long new, int size)
-{
-	unsigned long addr, prev, tmp;
-	int shift;
-
-        switch (size) {
-	case 1:
-		addr = (unsigned long) ptr;
-		shift = (3 ^ (addr & 3)) << 3;
-		addr ^= addr & 3;
-		asm volatile(
-			"	l	%0,0(%4)\n"
-			"0:	nr	%0,%5\n"
-			"	lr	%1,%0\n"
-			"	or	%0,%2\n"
-			"	or	%1,%3\n"
-			"	cs	%0,%1,0(%4)\n"
-			"	jnl	1f\n"
-			"	xr	%1,%0\n"
-			"	nr	%1,%5\n"
-			"	jnz	0b\n"
-			"1:"
-			: "=&d" (prev), "=&d" (tmp)
-			: "d" (old << shift), "d" (new << shift), "a" (ptr),
-			  "d" (~(255 << shift))
-			: "memory", "cc");
-		return prev >> shift;
-	case 2:
-		addr = (unsigned long) ptr;
-		shift = (2 ^ (addr & 2)) << 3;
-		addr ^= addr & 2;
-		asm volatile(
-			"	l	%0,0(%4)\n"
-			"0:	nr	%0,%5\n"
-			"	lr	%1,%0\n"
-			"	or	%0,%2\n"
-			"	or	%1,%3\n"
-			"	cs	%0,%1,0(%4)\n"
-			"	jnl	1f\n"
-			"	xr	%1,%0\n"
-			"	nr	%1,%5\n"
-			"	jnz	0b\n"
-			"1:"
-			: "=&d" (prev), "=&d" (tmp)
-			: "d" (old << shift), "d" (new << shift), "a" (ptr),
-			  "d" (~(65535 << shift))
-			: "memory", "cc");
-		return prev >> shift;
-	case 4:
-		asm volatile(
-			"	cs	%0,%2,0(%3)\n"
-			: "=&d" (prev) : "0" (old), "d" (new), "a" (ptr)
-			: "memory", "cc");
-		return prev;
-#ifdef __s390x__
-	case 8:
-		asm volatile(
-			"	csg	%0,%2,0(%3)\n"
-			: "=&d" (prev) : "0" (old), "d" (new), "a" (ptr)
-			: "memory", "cc");
-		return prev;
-#endif /* __s390x__ */
-        }
-	__cmpxchg_called_with_bad_pointer();
-	return old;
-}
-
-/*
- * 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(%0)\n"			\
-		: : "a" (&array), "i" (low), "i" (high),	\
-		    "m" (*(addrtype *)(&array)));		\
-	})
-
-#define __ctl_store(array, low, high) ({			\
-	typedef struct { char _[sizeof(array)]; } addrtype;	\
-	asm volatile(						\
-		"	stctg	%2,%3,0(%1)\n"			\
-		: "=m" (*(addrtype *)(&array))			\
-		: "a" (&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(%0)\n"			\
-		: : "a" (&array), "i" (low), "i" (high),	\
-		    "m" (*(addrtype *)(&array)));		\
-})
-
-#define __ctl_store(array, low, high) ({			\
-	typedef struct { char _[sizeof(array)]; } addrtype;	\
-	asm volatile(						\
-		"	stctl	%2,%3,0(%1)\n"			\
-		: "=m" (*(addrtype *)(&array))			\
-		: "a" (&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);	\
-})
-
-#include <linux/irqflags.h>
-
-#include <asm-generic/cmpxchg-local.h>
-
-static inline unsigned long __cmpxchg_local(volatile void *ptr,
-				      unsigned long old,
-				      unsigned long new, int size)
-{
-	switch (size) {
-	case 1:
-	case 2:
-	case 4:
-#ifdef __s390x__
-	case 8:
-#endif
-		return __cmpxchg(ptr, old, new, size);
-	default:
-		return __cmpxchg_local_generic(ptr, old, new, size);
-	}
-
-	return old;
-}
-
-/*
- * cmpxchg_local and cmpxchg64_local are atomic wrt current CPU. Always make
- * them available.
- */
-#define cmpxchg_local(ptr, o, n)					\
-	((__typeof__(*(ptr)))__cmpxchg_local((ptr), (unsigned long)(o),	\
-			(unsigned long)(n), sizeof(*(ptr))))
-#ifdef __s390x__
-#define cmpxchg64_local(ptr, o, n)					\
-  ({									\
-	BUILD_BUG_ON(sizeof(*(ptr)) != 8);				\
-	cmpxchg_local((ptr), (o), (n));					\
-  })
-#else
-#define cmpxchg64_local(ptr, o, n) __cmpxchg64_local_generic((ptr), (o), (n))
-#endif
-
-/*
- * 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 | (__raw_local_irq_stosm(0x00) & ~(-1UL >> 8)));
-}
-
-#define local_mcck_enable()  __set_psw_mask(psw_kernel_bits)
-#define local_mcck_disable() __set_psw_mask(psw_kernel_bits & ~PSW_MASK_MCHECK)
-
-int stfle(unsigned long long *list, int doublewords);
-
-#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 */
-
-static inline unsigned int stfl(void)
-{
-	asm volatile(
-		"	.insn	s,0xb2b10000,0(0)\n" /* stfl */
-		"0:\n"
-		EX_TABLE(0b,0b));
-	return S390_lowcore.stfl_fac_list;
-}
-
-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);
-
-#define arch_align_stack(x) (x)
-
-#ifdef CONFIG_TRACE_IRQFLAGS
-extern psw_t sysc_restore_trace_psw;
-extern psw_t io_restore_trace_psw;
-#endif
-
-#endif /* __KERNEL__ */
-
-#endif