Disintegrate asm/system.h for SH.
Signed-off-by: David Howells <dhowells@redhat.com>
cc: linux-sh@vger.kernel.org
#include <linux/init.h>
#include <linux/irq.h>
#include <linux/interrupt.h>
-#include <asm/system.h>
#include <asm/io.h>
#include <mach/microdev.h>
#ifndef __ASM_SH_ATOMIC_IRQ_H
#define __ASM_SH_ATOMIC_IRQ_H
+#include <linux/irqflags.h>
+
/*
* To get proper branch prediction for the main line, we must branch
* forward to code at the end of this object's .text section, then
#include <linux/compiler.h>
#include <linux/types.h>
-#include <asm/system.h>
+#include <asm/cmpxchg.h>
#define ATOMIC_INIT(i) ( (atomic_t) { (i) } )
#define AT_L1D_CACHESHAPE 35
#define AT_L2_CACHESHAPE 36
+#define AT_VECTOR_SIZE_ARCH 5 /* entries in ARCH_DLINFO */
+
#endif /* __ASM_SH_AUXVEC_H */
--- /dev/null
+/*
+ * Copyright (C) 1999, 2000 Niibe Yutaka & Kaz Kojima
+ * Copyright (C) 2002 Paul Mundt
+ */
+#ifndef __ASM_SH_BARRIER_H
+#define __ASM_SH_BARRIER_H
+
+#if defined(CONFIG_CPU_SH4A) || defined(CONFIG_CPU_SH5)
+#include <asm/cache_insns.h>
+#endif
+
+/*
+ * A brief note on ctrl_barrier(), the control register write barrier.
+ *
+ * Legacy SH cores typically require a sequence of 8 nops after
+ * modification of a control register in order for the changes to take
+ * effect. On newer cores (like the sh4a and sh5) this is accomplished
+ * with icbi.
+ *
+ * Also note that on sh4a in the icbi case we can forego a synco for the
+ * write barrier, as it's not necessary for control registers.
+ *
+ * Historically we have only done this type of barrier for the MMUCR, but
+ * it's also necessary for the CCR, so we make it generic here instead.
+ */
+#if defined(CONFIG_CPU_SH4A) || defined(CONFIG_CPU_SH5)
+#define mb() __asm__ __volatile__ ("synco": : :"memory")
+#define rmb() mb()
+#define wmb() __asm__ __volatile__ ("synco": : :"memory")
+#define ctrl_barrier() __icbi(PAGE_OFFSET)
+#define read_barrier_depends() do { } while(0)
+#else
+#define mb() __asm__ __volatile__ ("": : :"memory")
+#define rmb() mb()
+#define wmb() __asm__ __volatile__ ("": : :"memory")
+#define ctrl_barrier() __asm__ __volatile__ ("nop;nop;nop;nop;nop;nop;nop;nop")
+#define read_barrier_depends() do { } while(0)
+#endif
+
+#ifdef CONFIG_SMP
+#define smp_mb() mb()
+#define smp_rmb() rmb()
+#define smp_wmb() wmb()
+#define smp_read_barrier_depends() read_barrier_depends()
+#else
+#define smp_mb() barrier()
+#define smp_rmb() barrier()
+#define smp_wmb() barrier()
+#define smp_read_barrier_depends() do { } while(0)
+#endif
+
+#define set_mb(var, value) do { (void)xchg(&var, value); } while (0)
+
+#endif /* __ASM_SH_BARRIER_H */
#error only <linux/bitops.h> can be included directly
#endif
-#include <asm/system.h>
/* For __swab32 */
#include <asm/byteorder.h>
--- /dev/null
+#ifndef __ASM_SH_BL_BIT_H
+#define __ASM_SH_BL_BIT_H
+
+#ifdef CONFIG_SUPERH32
+# include "bl_bit_32.h"
+#else
+# include "bl_bit_64.h"
+#endif
+
+#endif /* __ASM_SH_BL_BIT_H */
--- /dev/null
+#ifndef __ASM_SH_BL_BIT_32_H
+#define __ASM_SH_BL_BIT_32_H
+
+static inline void set_bl_bit(void)
+{
+ unsigned long __dummy0, __dummy1;
+
+ __asm__ __volatile__ (
+ "stc sr, %0\n\t"
+ "or %2, %0\n\t"
+ "and %3, %0\n\t"
+ "ldc %0, sr\n\t"
+ : "=&r" (__dummy0), "=r" (__dummy1)
+ : "r" (0x10000000), "r" (0xffffff0f)
+ : "memory"
+ );
+}
+
+static inline void clear_bl_bit(void)
+{
+ unsigned long __dummy0, __dummy1;
+
+ __asm__ __volatile__ (
+ "stc sr, %0\n\t"
+ "and %2, %0\n\t"
+ "ldc %0, sr\n\t"
+ : "=&r" (__dummy0), "=r" (__dummy1)
+ : "1" (~0x10000000)
+ : "memory"
+ );
+}
+
+#endif /* __ASM_SH_BL_BIT_32_H */
--- /dev/null
+/*
+ * Copyright (C) 2000, 2001 Paolo Alberelli
+ * Copyright (C) 2003 Paul Mundt
+ * Copyright (C) 2004 Richard Curnow
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#ifndef __ASM_SH_BL_BIT_64_H
+#define __ASM_SH_BL_BIT_64_H
+
+#include <asm/processor.h>
+
+#define SR_BL_LL 0x0000000010000000LL
+
+static inline void set_bl_bit(void)
+{
+ unsigned long long __dummy0, __dummy1 = SR_BL_LL;
+
+ __asm__ __volatile__("getcon " __SR ", %0\n\t"
+ "or %0, %1, %0\n\t"
+ "putcon %0, " __SR "\n\t"
+ : "=&r" (__dummy0)
+ : "r" (__dummy1));
+
+}
+
+static inline void clear_bl_bit(void)
+{
+ unsigned long long __dummy0, __dummy1 = ~SR_BL_LL;
+
+ __asm__ __volatile__("getcon " __SR ", %0\n\t"
+ "and %0, %1, %0\n\t"
+ "putcon %0, " __SR "\n\t"
+ : "=&r" (__dummy0)
+ : "r" (__dummy1));
+}
+
+#endif /* __ASM_SH_BL_BIT_64_H */
#ifndef __ASM_SH_BUG_H
#define __ASM_SH_BUG_H
+#include <linux/linkage.h>
+
#define TRAPA_BUG_OPCODE 0xc33e /* trapa #0x3e */
#define BUGFLAG_UNWINDER (1 << 1)
#include <asm-generic/bug.h>
+struct pt_regs;
+extern void die(const char *str, struct pt_regs *regs, long err) __attribute__ ((noreturn));
+
#endif /* __ASM_SH_BUG_H */
--- /dev/null
+#ifndef __ASM_SH_CACHE_INSNS_H
+#define __ASM_SH_CACHE_INSNS_H
+
+
+#ifdef CONFIG_SUPERH32
+# include "cache_insns_32.h"
+#else
+# include "cache_insns_64.h"
+#endif
+
+#endif /* __ASM_SH_CACHE_INSNS_H */
--- /dev/null
+#ifndef __ASM_SH_CACHE_INSNS_32_H
+#define __ASM_SH_CACHE_INSNS_32_H
+
+#include <linux/types.h>
+
+#if defined(CONFIG_CPU_SH4A)
+#define __icbi(addr) __asm__ __volatile__ ( "icbi @%0\n\t" : : "r" (addr))
+#else
+#define __icbi(addr) mb()
+#endif
+
+#define __ocbp(addr) __asm__ __volatile__ ( "ocbp @%0\n\t" : : "r" (addr))
+#define __ocbi(addr) __asm__ __volatile__ ( "ocbi @%0\n\t" : : "r" (addr))
+#define __ocbwb(addr) __asm__ __volatile__ ( "ocbwb @%0\n\t" : : "r" (addr))
+
+static inline reg_size_t register_align(void *val)
+{
+ return (unsigned long)(signed long)val;
+}
+
+#endif /* __ASM_SH_CACHE_INSNS_32_H */
--- /dev/null
+/*
+ * Copyright (C) 2000, 2001 Paolo Alberelli
+ * Copyright (C) 2003 Paul Mundt
+ * Copyright (C) 2004 Richard Curnow
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#ifndef __ASM_SH_CACHE_INSNS_64_H
+#define __ASM_SH_CACHE_INSNS_64_H
+
+#define __icbi(addr) __asm__ __volatile__ ( "icbi %0, 0\n\t" : : "r" (addr))
+#define __ocbp(addr) __asm__ __volatile__ ( "ocbp %0, 0\n\t" : : "r" (addr))
+#define __ocbi(addr) __asm__ __volatile__ ( "ocbi %0, 0\n\t" : : "r" (addr))
+#define __ocbwb(addr) __asm__ __volatile__ ( "ocbwb %0, 0\n\t" : : "r" (addr))
+
+static inline reg_size_t register_align(void *val)
+{
+ return (unsigned long long)(signed long long)(signed long)val;
+}
+
+#endif /* __ASM_SH_CACHE_INSNS_64_H */
#ifndef __ASM_SH_CMPXCHG_IRQ_H
#define __ASM_SH_CMPXCHG_IRQ_H
+#include <linux/irqflags.h>
+
static inline unsigned long xchg_u32(volatile u32 *m, unsigned long val)
{
unsigned long flags, retval;
--- /dev/null
+#ifndef __ASM_SH_CMPXCHG_H
+#define __ASM_SH_CMPXCHG_H
+
+/*
+ * Atomic operations that C can't guarantee us. Useful for
+ * resource counting etc..
+ */
+
+#include <linux/compiler.h>
+#include <linux/types.h>
+
+#if defined(CONFIG_GUSA_RB)
+#include <asm/cmpxchg-grb.h>
+#elif defined(CONFIG_CPU_SH4A)
+#include <asm/cmpxchg-llsc.h>
+#else
+#include <asm/cmpxchg-irq.h>
+#endif
+
+extern void __xchg_called_with_bad_pointer(void);
+
+#define __xchg(ptr, x, size) \
+({ \
+ unsigned long __xchg__res; \
+ volatile void *__xchg_ptr = (ptr); \
+ switch (size) { \
+ case 4: \
+ __xchg__res = xchg_u32(__xchg_ptr, x); \
+ break; \
+ case 1: \
+ __xchg__res = xchg_u8(__xchg_ptr, x); \
+ break; \
+ default: \
+ __xchg_called_with_bad_pointer(); \
+ __xchg__res = x; \
+ break; \
+ } \
+ \
+ __xchg__res; \
+})
+
+#define xchg(ptr,x) \
+ ((__typeof__(*(ptr)))__xchg((ptr),(unsigned long)(x), sizeof(*(ptr))))
+
+/* This function doesn't exist, so you'll get a linker error
+ * if something tries to do an invalid cmpxchg(). */
+extern void __cmpxchg_called_with_bad_pointer(void);
+
+#define __HAVE_ARCH_CMPXCHG 1
+
+static inline unsigned long __cmpxchg(volatile void * ptr, unsigned long old,
+ unsigned long new, int size)
+{
+ switch (size) {
+ case 4:
+ return __cmpxchg_u32(ptr, old, new);
+ }
+ __cmpxchg_called_with_bad_pointer();
+ return old;
+}
+
+#define cmpxchg(ptr,o,n) \
+ ({ \
+ __typeof__(*(ptr)) _o_ = (o); \
+ __typeof__(*(ptr)) _n_ = (n); \
+ (__typeof__(*(ptr))) __cmpxchg((ptr), (unsigned long)_o_, \
+ (unsigned long)_n_, sizeof(*(ptr))); \
+ })
+
+#endif /* __ASM_SH_CMPXCHG_H */
--- /dev/null
+/*
+ * Copyright (C) 1999, 2000 Niibe Yutaka & Kaz Kojima
+ * Copyright (C) 2002 Paul Mundt
+ */
+#ifndef __ASM_SH_EXEC_H
+#define __ASM_SH_EXEC_H
+
+#define arch_align_stack(x) (x)
+
+#endif /* __ASM_SH_EXEC_H */
#ifndef __ASM_SH_FUTEX_IRQ_H
#define __ASM_SH_FUTEX_IRQ_H
-#include <asm/system.h>
static inline int atomic_futex_op_xchg_set(int oparg, u32 __user *uaddr,
int *oldval)
*/
#include <linux/errno.h>
#include <asm/cache.h>
-#include <asm/system.h>
#include <asm/addrspace.h>
#include <asm/machvec.h>
#include <asm/pgtable.h>
#define cpu_sleep() __asm__ __volatile__ ("sleep" : : : "memory")
#define cpu_relax() barrier()
+void default_idle(void);
+void cpu_idle_wait(void);
+void stop_this_cpu(void *);
+
/* Forward decl */
struct seq_operations;
struct task_struct;
#define vsyscall_init() do { } while (0)
#endif
+/*
+ * SH-2A has both 16 and 32-bit opcodes, do lame encoding checks.
+ */
+#ifdef CONFIG_CPU_SH2A
+extern unsigned int instruction_size(unsigned int insn);
+#elif defined(CONFIG_SUPERH32)
+#define instruction_size(insn) (2)
+#else
+#define instruction_size(insn) (4)
+#endif
+
#endif /* __ASSEMBLY__ */
#ifdef CONFIG_SUPERH32
#include <linux/thread_info.h>
#include <asm/addrspace.h>
#include <asm/page.h>
-#include <asm/system.h>
#define user_mode(regs) (((regs)->sr & 0x40000000)==0)
#define kernel_stack_pointer(_regs) ((unsigned long)(_regs)->regs[15])
void sh_mv_setup(void);
void check_for_initrd(void);
+void per_cpu_trap_init(void);
#endif /* __KERNEL__ */
--- /dev/null
+/*
+ * Copyright (C) 2000, 2001 Paolo Alberelli
+ * Copyright (C) 2003 Paul Mundt
+ * Copyright (C) 2004 Richard Curnow
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#ifndef __ASM_SH_SWITCH_TO_H
+#define __ASM_SH_SWITCH_TO_H
+
+#ifdef CONFIG_SUPERH32
+# include "switch_to_32.h"
+#else
+# include "switch_to_64.h"
+#endif
+
+#endif /* __ASM_SH_SWITCH_TO_H */
-#ifndef __ASM_SH_SYSTEM_32_H
-#define __ASM_SH_SYSTEM_32_H
-
-#include <linux/types.h>
-#include <asm/mmu.h>
+#ifndef __ASM_SH_SWITCH_TO_32_H
+#define __ASM_SH_SWITCH_TO_32_H
#ifdef CONFIG_SH_DSP
: : "r" (__ts2)); \
} while (0)
-
#define __save_dsp(tsk) \
do { \
register u32 *__ts2 __asm__ ("r2") = \
#define __restore_dsp(tsk) do { } while (0)
#endif
-#if defined(CONFIG_CPU_SH4A)
-#define __icbi(addr) __asm__ __volatile__ ( "icbi @%0\n\t" : : "r" (addr))
-#else
-#define __icbi(addr) mb()
-#endif
-
-#define __ocbp(addr) __asm__ __volatile__ ( "ocbp @%0\n\t" : : "r" (addr))
-#define __ocbi(addr) __asm__ __volatile__ ( "ocbi @%0\n\t" : : "r" (addr))
-#define __ocbwb(addr) __asm__ __volatile__ ( "ocbwb @%0\n\t" : : "r" (addr))
-
struct task_struct *__switch_to(struct task_struct *prev,
struct task_struct *next);
__restore_dsp(prev); \
} while (0)
-#ifdef CONFIG_CPU_HAS_SR_RB
-#define lookup_exception_vector() \
-({ \
- unsigned long _vec; \
- \
- __asm__ __volatile__ ( \
- "stc r2_bank, %0\n\t" \
- : "=r" (_vec) \
- ); \
- \
- _vec; \
-})
-#else
-#define lookup_exception_vector() \
-({ \
- unsigned long _vec; \
- __asm__ __volatile__ ( \
- "mov r4, %0\n\t" \
- : "=r" (_vec) \
- ); \
- \
- _vec; \
-})
-#endif
-
-static inline reg_size_t register_align(void *val)
-{
- return (unsigned long)(signed long)val;
-}
-
-int handle_unaligned_access(insn_size_t instruction, struct pt_regs *regs,
- struct mem_access *ma, int, unsigned long address);
-
-static inline void trigger_address_error(void)
-{
- __asm__ __volatile__ (
- "ldc %0, sr\n\t"
- "mov.l @%1, %0"
- :
- : "r" (0x10000000), "r" (0x80000001)
- );
-}
-
-asmlinkage void do_address_error(struct pt_regs *regs,
- unsigned long writeaccess,
- unsigned long address);
-asmlinkage void do_divide_error(unsigned long r4, unsigned long r5,
- unsigned long r6, unsigned long r7,
- struct pt_regs __regs);
-asmlinkage void do_reserved_inst(unsigned long r4, unsigned long r5,
- unsigned long r6, unsigned long r7,
- struct pt_regs __regs);
-asmlinkage void do_illegal_slot_inst(unsigned long r4, unsigned long r5,
- unsigned long r6, unsigned long r7,
- struct pt_regs __regs);
-asmlinkage void do_exception_error(unsigned long r4, unsigned long r5,
- unsigned long r6, unsigned long r7,
- struct pt_regs __regs);
-
-static inline void set_bl_bit(void)
-{
- unsigned long __dummy0, __dummy1;
-
- __asm__ __volatile__ (
- "stc sr, %0\n\t"
- "or %2, %0\n\t"
- "and %3, %0\n\t"
- "ldc %0, sr\n\t"
- : "=&r" (__dummy0), "=r" (__dummy1)
- : "r" (0x10000000), "r" (0xffffff0f)
- : "memory"
- );
-}
-
-static inline void clear_bl_bit(void)
-{
- unsigned long __dummy0, __dummy1;
-
- __asm__ __volatile__ (
- "stc sr, %0\n\t"
- "and %2, %0\n\t"
- "ldc %0, sr\n\t"
- : "=&r" (__dummy0), "=r" (__dummy1)
- : "1" (~0x10000000)
- : "memory"
- );
-}
-
-#endif /* __ASM_SH_SYSTEM_32_H */
+#endif /* __ASM_SH_SWITCH_TO_32_H */
--- /dev/null
+/*
+ * Copyright (C) 2000, 2001 Paolo Alberelli
+ * Copyright (C) 2003 Paul Mundt
+ * Copyright (C) 2004 Richard Curnow
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#ifndef __ASM_SH_SWITCH_TO_64_H
+#define __ASM_SH_SWITCH_TO_64_H
+
+struct thread_struct;
+struct task_struct;
+
+/*
+ * switch_to() should switch tasks to task nr n, first
+ */
+struct task_struct *sh64_switch_to(struct task_struct *prev,
+ struct thread_struct *prev_thread,
+ struct task_struct *next,
+ struct thread_struct *next_thread);
+
+#define switch_to(prev,next,last) \
+do { \
+ if (last_task_used_math != next) { \
+ struct pt_regs *regs = next->thread.uregs; \
+ if (regs) regs->sr |= SR_FD; \
+ } \
+ last = sh64_switch_to(prev, &prev->thread, next, \
+ &next->thread); \
+} while (0)
+
+
+#endif /* __ASM_SH_SWITCH_TO_64_H */
-#ifndef __ASM_SH_SYSTEM_H
-#define __ASM_SH_SYSTEM_H
-
-/*
- * Copyright (C) 1999, 2000 Niibe Yutaka & Kaz Kojima
- * Copyright (C) 2002 Paul Mundt
- */
-
-#include <linux/irqflags.h>
-#include <linux/compiler.h>
-#include <linux/linkage.h>
-#include <asm/types.h>
-#include <asm/uncached.h>
-
-#define AT_VECTOR_SIZE_ARCH 5 /* entries in ARCH_DLINFO */
-
-/*
- * A brief note on ctrl_barrier(), the control register write barrier.
- *
- * Legacy SH cores typically require a sequence of 8 nops after
- * modification of a control register in order for the changes to take
- * effect. On newer cores (like the sh4a and sh5) this is accomplished
- * with icbi.
- *
- * Also note that on sh4a in the icbi case we can forego a synco for the
- * write barrier, as it's not necessary for control registers.
- *
- * Historically we have only done this type of barrier for the MMUCR, but
- * it's also necessary for the CCR, so we make it generic here instead.
- */
-#if defined(CONFIG_CPU_SH4A) || defined(CONFIG_CPU_SH5)
-#define mb() __asm__ __volatile__ ("synco": : :"memory")
-#define rmb() mb()
-#define wmb() __asm__ __volatile__ ("synco": : :"memory")
-#define ctrl_barrier() __icbi(PAGE_OFFSET)
-#define read_barrier_depends() do { } while(0)
-#else
-#define mb() __asm__ __volatile__ ("": : :"memory")
-#define rmb() mb()
-#define wmb() __asm__ __volatile__ ("": : :"memory")
-#define ctrl_barrier() __asm__ __volatile__ ("nop;nop;nop;nop;nop;nop;nop;nop")
-#define read_barrier_depends() do { } while(0)
-#endif
-
-#ifdef CONFIG_SMP
-#define smp_mb() mb()
-#define smp_rmb() rmb()
-#define smp_wmb() wmb()
-#define smp_read_barrier_depends() read_barrier_depends()
-#else
-#define smp_mb() barrier()
-#define smp_rmb() barrier()
-#define smp_wmb() barrier()
-#define smp_read_barrier_depends() do { } while(0)
-#endif
-
-#define set_mb(var, value) do { (void)xchg(&var, value); } while (0)
-
-#ifdef CONFIG_GUSA_RB
-#include <asm/cmpxchg-grb.h>
-#elif defined(CONFIG_CPU_SH4A)
-#include <asm/cmpxchg-llsc.h>
-#else
-#include <asm/cmpxchg-irq.h>
-#endif
-
-extern void __xchg_called_with_bad_pointer(void);
-
-#define __xchg(ptr, x, size) \
-({ \
- unsigned long __xchg__res; \
- volatile void *__xchg_ptr = (ptr); \
- switch (size) { \
- case 4: \
- __xchg__res = xchg_u32(__xchg_ptr, x); \
- break; \
- case 1: \
- __xchg__res = xchg_u8(__xchg_ptr, x); \
- break; \
- default: \
- __xchg_called_with_bad_pointer(); \
- __xchg__res = x; \
- break; \
- } \
- \
- __xchg__res; \
-})
-
-#define xchg(ptr,x) \
- ((__typeof__(*(ptr)))__xchg((ptr),(unsigned long)(x), sizeof(*(ptr))))
-
-/* This function doesn't exist, so you'll get a linker error
- * if something tries to do an invalid cmpxchg(). */
-extern void __cmpxchg_called_with_bad_pointer(void);
-
-#define __HAVE_ARCH_CMPXCHG 1
-
-static inline unsigned long __cmpxchg(volatile void * ptr, unsigned long old,
- unsigned long new, int size)
-{
- switch (size) {
- case 4:
- return __cmpxchg_u32(ptr, old, new);
- }
- __cmpxchg_called_with_bad_pointer();
- return old;
-}
-
-#define cmpxchg(ptr,o,n) \
- ({ \
- __typeof__(*(ptr)) _o_ = (o); \
- __typeof__(*(ptr)) _n_ = (n); \
- (__typeof__(*(ptr))) __cmpxchg((ptr), (unsigned long)_o_, \
- (unsigned long)_n_, sizeof(*(ptr))); \
- })
-
-struct pt_regs;
-
-extern void die(const char *str, struct pt_regs *regs, long err) __attribute__ ((noreturn));
+/* FILE TO BE DELETED. DO NOT ADD STUFF HERE! */
+#include <asm/barrier.h>
+#include <asm/bl_bit.h>
+#include <asm/cache_insns.h>
+#include <asm/cmpxchg.h>
+#include <asm/exec.h>
+#include <asm/switch_to.h>
+#include <asm/traps.h>
void free_initmem(void);
-void free_initrd_mem(unsigned long start, unsigned long end);
-
-extern void *set_exception_table_vec(unsigned int vec, void *handler);
-
-static inline void *set_exception_table_evt(unsigned int evt, void *handler)
-{
- return set_exception_table_vec(evt >> 5, handler);
-}
-
-/*
- * SH-2A has both 16 and 32-bit opcodes, do lame encoding checks.
- */
-#ifdef CONFIG_CPU_SH2A
-extern unsigned int instruction_size(unsigned int insn);
-#elif defined(CONFIG_SUPERH32)
-#define instruction_size(insn) (2)
-#else
-#define instruction_size(insn) (4)
-#endif
-
-void per_cpu_trap_init(void);
-void default_idle(void);
-void cpu_idle_wait(void);
-void stop_this_cpu(void *);
-
-#ifdef CONFIG_SUPERH32
-#define BUILD_TRAP_HANDLER(name) \
-asmlinkage void name##_trap_handler(unsigned long r4, unsigned long r5, \
- unsigned long r6, unsigned long r7, \
- struct pt_regs __regs)
-
-#define TRAP_HANDLER_DECL \
- struct pt_regs *regs = RELOC_HIDE(&__regs, 0); \
- unsigned int vec = regs->tra; \
- (void)vec;
-#else
-#define BUILD_TRAP_HANDLER(name) \
-asmlinkage void name##_trap_handler(unsigned int vec, struct pt_regs *regs)
-#define TRAP_HANDLER_DECL
-#endif
-
-BUILD_TRAP_HANDLER(address_error);
-BUILD_TRAP_HANDLER(debug);
-BUILD_TRAP_HANDLER(bug);
-BUILD_TRAP_HANDLER(breakpoint);
-BUILD_TRAP_HANDLER(singlestep);
-BUILD_TRAP_HANDLER(fpu_error);
-BUILD_TRAP_HANDLER(fpu_state_restore);
-BUILD_TRAP_HANDLER(nmi);
-
-#define arch_align_stack(x) (x)
-
-struct mem_access {
- unsigned long (*from)(void *dst, const void __user *src, unsigned long cnt);
- unsigned long (*to)(void __user *dst, const void *src, unsigned long cnt);
-};
-
-#ifdef CONFIG_SUPERH32
-# include "system_32.h"
-#else
-# include "system_64.h"
-#endif
-
-#endif
+++ /dev/null
-#ifndef __ASM_SH_SYSTEM_64_H
-#define __ASM_SH_SYSTEM_64_H
-
-/*
- * include/asm-sh/system_64.h
- *
- * Copyright (C) 2000, 2001 Paolo Alberelli
- * Copyright (C) 2003 Paul Mundt
- * Copyright (C) 2004 Richard Curnow
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- */
-#include <cpu/registers.h>
-#include <asm/processor.h>
-
-/*
- * switch_to() should switch tasks to task nr n, first
- */
-struct thread_struct;
-struct task_struct *sh64_switch_to(struct task_struct *prev,
- struct thread_struct *prev_thread,
- struct task_struct *next,
- struct thread_struct *next_thread);
-
-#define switch_to(prev,next,last) \
-do { \
- if (last_task_used_math != next) { \
- struct pt_regs *regs = next->thread.uregs; \
- if (regs) regs->sr |= SR_FD; \
- } \
- last = sh64_switch_to(prev, &prev->thread, next, \
- &next->thread); \
-} while (0)
-
-#define __icbi(addr) __asm__ __volatile__ ( "icbi %0, 0\n\t" : : "r" (addr))
-#define __ocbp(addr) __asm__ __volatile__ ( "ocbp %0, 0\n\t" : : "r" (addr))
-#define __ocbi(addr) __asm__ __volatile__ ( "ocbi %0, 0\n\t" : : "r" (addr))
-#define __ocbwb(addr) __asm__ __volatile__ ( "ocbwb %0, 0\n\t" : : "r" (addr))
-
-static inline reg_size_t register_align(void *val)
-{
- return (unsigned long long)(signed long long)(signed long)val;
-}
-
-extern void phys_stext(void);
-
-static inline void trigger_address_error(void)
-{
- phys_stext();
-}
-
-#define SR_BL_LL 0x0000000010000000LL
-
-static inline void set_bl_bit(void)
-{
- unsigned long long __dummy0, __dummy1 = SR_BL_LL;
-
- __asm__ __volatile__("getcon " __SR ", %0\n\t"
- "or %0, %1, %0\n\t"
- "putcon %0, " __SR "\n\t"
- : "=&r" (__dummy0)
- : "r" (__dummy1));
-
-}
-
-static inline void clear_bl_bit(void)
-{
- unsigned long long __dummy0, __dummy1 = ~SR_BL_LL;
-
- __asm__ __volatile__("getcon " __SR ", %0\n\t"
- "and %0, %1, %0\n\t"
- "putcon %0, " __SR "\n\t"
- : "=&r" (__dummy0)
- : "r" (__dummy1));
-}
-
-#endif /* __ASM_SH_SYSTEM_64_H */
--- /dev/null
+#ifndef __ASM_SH_TRAPS_H
+#define __ASM_SH_TRAPS_H
+
+#include <linux/compiler.h>
+
+#ifdef CONFIG_SUPERH32
+# include "traps_32.h"
+#else
+# include "traps_64.h"
+#endif
+
+BUILD_TRAP_HANDLER(address_error);
+BUILD_TRAP_HANDLER(debug);
+BUILD_TRAP_HANDLER(bug);
+BUILD_TRAP_HANDLER(breakpoint);
+BUILD_TRAP_HANDLER(singlestep);
+BUILD_TRAP_HANDLER(fpu_error);
+BUILD_TRAP_HANDLER(fpu_state_restore);
+BUILD_TRAP_HANDLER(nmi);
+
+#endif /* __ASM_SH_TRAPS_H */
--- /dev/null
+#ifndef __ASM_SH_TRAPS_32_H
+#define __ASM_SH_TRAPS_32_H
+
+#include <linux/types.h>
+#include <asm/mmu.h>
+
+#ifdef CONFIG_CPU_HAS_SR_RB
+#define lookup_exception_vector() \
+({ \
+ unsigned long _vec; \
+ \
+ __asm__ __volatile__ ( \
+ "stc r2_bank, %0\n\t" \
+ : "=r" (_vec) \
+ ); \
+ \
+ _vec; \
+})
+#else
+#define lookup_exception_vector() \
+({ \
+ unsigned long _vec; \
+ __asm__ __volatile__ ( \
+ "mov r4, %0\n\t" \
+ : "=r" (_vec) \
+ ); \
+ \
+ _vec; \
+})
+#endif
+
+static inline void trigger_address_error(void)
+{
+ __asm__ __volatile__ (
+ "ldc %0, sr\n\t"
+ "mov.l @%1, %0"
+ :
+ : "r" (0x10000000), "r" (0x80000001)
+ );
+}
+
+asmlinkage void do_address_error(struct pt_regs *regs,
+ unsigned long writeaccess,
+ unsigned long address);
+asmlinkage void do_divide_error(unsigned long r4, unsigned long r5,
+ unsigned long r6, unsigned long r7,
+ struct pt_regs __regs);
+asmlinkage void do_reserved_inst(unsigned long r4, unsigned long r5,
+ unsigned long r6, unsigned long r7,
+ struct pt_regs __regs);
+asmlinkage void do_illegal_slot_inst(unsigned long r4, unsigned long r5,
+ unsigned long r6, unsigned long r7,
+ struct pt_regs __regs);
+asmlinkage void do_exception_error(unsigned long r4, unsigned long r5,
+ unsigned long r6, unsigned long r7,
+ struct pt_regs __regs);
+
+#define BUILD_TRAP_HANDLER(name) \
+asmlinkage void name##_trap_handler(unsigned long r4, unsigned long r5, \
+ unsigned long r6, unsigned long r7, \
+ struct pt_regs __regs)
+
+#define TRAP_HANDLER_DECL \
+ struct pt_regs *regs = RELOC_HIDE(&__regs, 0); \
+ unsigned int vec = regs->tra; \
+ (void)vec;
+
+#endif /* __ASM_SH_TRAPS_32_H */
--- /dev/null
+/*
+ * Copyright (C) 2000, 2001 Paolo Alberelli
+ * Copyright (C) 2003 Paul Mundt
+ * Copyright (C) 2004 Richard Curnow
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#ifndef __ASM_SH_TRAPS_64_H
+#define __ASM_SH_TRAPS_64_H
+
+extern void phys_stext(void);
+
+static inline void trigger_address_error(void)
+{
+ phys_stext();
+}
+
+#define BUILD_TRAP_HANDLER(name) \
+asmlinkage void name##_trap_handler(unsigned int vec, struct pt_regs *regs)
+#define TRAP_HANDLER_DECL
+
+#endif /* __ASM_SH_TRAPS_64_H */
unsigned long search_exception_table(unsigned long addr);
const struct exception_table_entry *search_exception_tables(unsigned long addr);
+extern void *set_exception_table_vec(unsigned int vec, void *handler);
+
+static inline void *set_exception_table_evt(unsigned int evt, void *handler)
+{
+ return set_exception_table_vec(evt >> 5, handler);
+}
+
+struct mem_access {
+ unsigned long (*from)(void *dst, const void __user *src, unsigned long cnt);
+ unsigned long (*to)(void __user *dst, const void *src, unsigned long cnt);
+};
+
+int handle_unaligned_access(insn_size_t instruction, struct pt_regs *regs,
+ struct mem_access *ma, int, unsigned long address);
#endif /* __ASM_SH_UACCESS_H */
#include <asm/processor.h>
#include <asm/uaccess.h>
#include <asm/page.h>
-#include <asm/system.h>
#include <asm/cacheflush.h>
#include <asm/cache.h>
#include <asm/elf.h>
#include <asm/io.h>
#include <asm/smp.h>
#include <asm/sh_bios.h>
+#include <asm/setup.h>
#ifdef CONFIG_SH_FPU
#define cpu_has_fpu 1
#include <linux/cache.h>
#include <linux/irq.h>
#include <linux/bitmap.h>
-#include <asm/system.h>
#include <asm/irq.h>
/* Bitmap of IRQ masked */
* for more details.
*/
#include <linux/kernel.h>
-#include <asm/system.h>
/*
* Instructions on SH are generally fixed at 16-bits, however, SH-2A
#include <linux/io.h>
#include <cpu/fpu.h>
#include <asm/processor.h>
-#include <asm/system.h>
#include <asm/fpu.h>
/* The PR (precision) bit in the FP Status Register must be clear when
#include <asm/hw_breakpoint.h>
#include <asm/mmu_context.h>
#include <asm/ptrace.h>
+#include <asm/traps.h>
/*
* Stores the breakpoints currently in use on each breakpoint address
#include <linux/smp.h>
#include <linux/cpuidle.h>
#include <asm/pgalloc.h>
-#include <asm/system.h>
#include <linux/atomic.h>
#include <asm/smp.h>
+#include <asm/bl_bit.h>
void (*pm_idle)(void);
#include <linux/vmalloc.h>
#include <linux/module.h>
#include <linux/init.h>
-#include <asm/system.h>
#include <asm/mmu_context.h>
#include <asm/uaccess.h>
#include <asm/io.h>
#include <linux/prefetch.h>
#include <asm/uaccess.h>
#include <asm/mmu_context.h>
-#include <asm/system.h>
#include <asm/fpu.h>
#include <asm/syscalls.h>
#include <asm/pgtable.h>
#include <asm/mmu_context.h>
#include <asm/fpu.h>
+#include <asm/switch_to.h>
struct task_struct *last_task_used_math = NULL;
#include <linux/hw_breakpoint.h>
#include <asm/uaccess.h>
#include <asm/pgtable.h>
-#include <asm/system.h>
#include <asm/processor.h>
#include <asm/mmu_context.h>
#include <asm/syscalls.h>
#include <asm/io.h>
#include <asm/uaccess.h>
#include <asm/pgtable.h>
-#include <asm/system.h>
#include <asm/processor.h>
#include <asm/mmu_context.h>
#include <asm/syscalls.h>
#include <asm/fpu.h>
+#include <asm/traps.h>
#define CREATE_TRACE_POINTS
#include <trace/events/syscalls.h>
#endif
#include <asm/addrspace.h>
#include <asm/reboot.h>
-#include <asm/system.h>
#include <asm/tlbflush.h>
+#include <asm/traps.h>
void (*pm_power_off)(void);
EXPORT_SYMBOL(pm_power_off);
#include <linux/freezer.h>
#include <linux/io.h>
#include <linux/tracehook.h>
-#include <asm/system.h>
#include <asm/ucontext.h>
#include <asm/uaccess.h>
#include <asm/pgtable.h>
#include <linux/sched.h>
#include <linux/atomic.h>
#include <asm/processor.h>
-#include <asm/system.h>
#include <asm/mmu_context.h>
#include <asm/smp.h>
#include <asm/cacheflush.h>
#include <linux/uaccess.h>
#include <linux/hardirq.h>
#include <asm/unwinder.h>
-#include <asm/system.h>
+#include <asm/traps.h>
#ifdef CONFIG_GENERIC_BUG
static void handle_BUG(struct pt_regs *regs)
#include <linux/sysfs.h>
#include <linux/uaccess.h>
#include <linux/perf_event.h>
-#include <asm/system.h>
#include <asm/alignment.h>
#include <asm/fpu.h>
#include <asm/kprobes.h>
+#include <asm/traps.h>
+#include <asm/bl_bit.h>
#ifdef CONFIG_CPU_SH2
# define TRAP_RESERVED_INST 4
#include <linux/sysctl.h>
#include <linux/module.h>
#include <linux/perf_event.h>
-#include <asm/system.h>
#include <asm/uaccess.h>
#include <asm/io.h>
#include <linux/atomic.h>
#include <linux/signal.h>
#include <linux/perf_event.h>
-#include <asm/system.h>
#include <asm/uaccess.h>
#include <asm/processor.h>
#include <asm/io.h>
#include <linux/kprobes.h>
#include <linux/perf_event.h>
#include <asm/io_trapped.h>
-#include <asm/system.h>
#include <asm/mmu_context.h>
#include <asm/tlbflush.h>
+#include <asm/traps.h>
static inline int notify_page_fault(struct pt_regs *regs, int trap)
{
#include <linux/mm.h>
#include <linux/smp.h>
#include <linux/interrupt.h>
-#include <asm/system.h>
#include <asm/tlb.h>
#include <asm/io.h>
#include <asm/uaccess.h>
#include <linux/mm.h>
#include <asm/mmu_context.h>
#include <asm/cacheflush.h>
+#include <asm/traps.h>
/*
* Write back the dirty D-caches, but not invalidate them.
#include <linux/vmalloc.h>
#include <asm/cacheflush.h>
#include <asm/sizes.h>
-#include <asm/system.h>
#include <asm/uaccess.h>
#include <asm/pgtable.h>
#include <asm/page.h>
#include <linux/kernel.h>
#include <linux/mm.h>
#include <linux/io.h>
-#include <asm/system.h>
#include <asm/mmu_context.h>
#include <asm/cacheflush.h>
#include <linux/smp.h>
#include <linux/interrupt.h>
-#include <asm/system.h>
#include <asm/io.h>
#include <asm/uaccess.h>
#include <asm/pgalloc.h>
#include <linux/kernel.h>
#include <linux/mm.h>
#include <linux/io.h>
-#include <asm/system.h>
#include <asm/mmu_context.h>
#include <asm/cacheflush.h>
#include <linux/smp.h>
#include <linux/perf_event.h>
#include <linux/interrupt.h>
-#include <asm/system.h>
#include <asm/io.h>
#include <asm/tlb.h>
#include <asm/uaccess.h>
projects / platform / adaptation / renesas_rcar / renesas_kernel.git / commitdiff