Disintegrate asm/system.h for M68K.
Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Greg Ungerer <gerg@uclinux.org>
cc: linux-m68k@lists.linux-m68k.org
#include <linux/string.h>
#include <linux/module.h>
-#include <asm/system.h>
#include <asm/amigahw.h>
static unsigned short *snd_data;
#include <asm/bootinfo.h>
#include <asm/setup.h>
-#include <asm/system.h>
#include <asm/pgtable.h>
#include <asm/amigahw.h>
#include <asm/amigaints.h>
#include <asm/setup.h>
#include <asm/bootinfo.h>
-#include <asm/system.h>
#include <asm/pgtable.h>
#include <asm/apollohw.h>
#include <asm/irq.h>
#include <linux/seq_file.h>
#include <linux/module.h>
-#include <asm/system.h>
#include <asm/traps.h>
#include <asm/atarihw.h>
#include <linux/module.h>
#include <asm/atarihw.h>
-#include <asm/system.h>
#include <asm/irq.h>
#include <asm/pgtable.h>
#include <asm/atariints.h>
#include <asm/atarihw.h>
#include <asm/atariints.h>
#include <asm/atari_stram.h>
-#include <asm/system.h>
#include <asm/machdep.h>
#include <asm/hwtest.h>
#include <asm/io.h>
#include <linux/bcd.h>
#include <asm/bootinfo.h>
-#include <asm/system.h>
#include <asm/pgtable.h>
#include <asm/setup.h>
#include <asm/irq.h>
#include <asm/io.h>
#include <asm/uaccess.h>
-#include <asm/system.h>
#include <asm/setup.h>
/*
#include <asm/machdep.h>
#include <asm/irq.h>
#include <asm/io.h>
-#include <asm/system.h>
#include <asm/traps.h>
#include <asm/blinken.h>
#define __ARCH_M68K_ATOMIC__
#include <linux/types.h>
-#include <asm/system.h>
+#include <linux/irqflags.h>
/*
* Atomic operations that C can't guarantee us. Useful for
--- /dev/null
+#ifndef _M68K_BARRIER_H
+#define _M68K_BARRIER_H
+
+/*
+ * Force strict CPU ordering.
+ * Not really required on m68k...
+ */
+#define nop() do { asm volatile ("nop"); barrier(); } while (0)
+#define mb() barrier()
+#define rmb() barrier()
+#define wmb() barrier()
+#define read_barrier_depends() ((void)0)
+#define set_mb(var, value) ({ (var) = (value); wmb(); })
+
+#define smp_mb() barrier()
+#define smp_rmb() barrier()
+#define smp_wmb() barrier()
+#define smp_read_barrier_depends() ((void)0)
+
+#endif /* _M68K_BARRIER_H */
--- /dev/null
+#ifndef __ARCH_M68K_CMPXCHG__
+#define __ARCH_M68K_CMPXCHG__
+
+#include <linux/irqflags.h>
+
+struct __xchg_dummy { unsigned long a[100]; };
+#define __xg(x) ((volatile struct __xchg_dummy *)(x))
+
+extern unsigned long __invalid_xchg_size(unsigned long, volatile void *, int);
+
+#ifndef CONFIG_RMW_INSNS
+static inline unsigned long __xchg(unsigned long x, volatile void * ptr, int size)
+{
+ unsigned long flags, tmp;
+
+ local_irq_save(flags);
+
+ switch (size) {
+ case 1:
+ tmp = *(u8 *)ptr;
+ *(u8 *)ptr = x;
+ x = tmp;
+ break;
+ case 2:
+ tmp = *(u16 *)ptr;
+ *(u16 *)ptr = x;
+ x = tmp;
+ break;
+ case 4:
+ tmp = *(u32 *)ptr;
+ *(u32 *)ptr = x;
+ x = tmp;
+ break;
+ default:
+ tmp = __invalid_xchg_size(x, ptr, size);
+ break;
+ }
+
+ local_irq_restore(flags);
+ return x;
+}
+#else
+static inline unsigned long __xchg(unsigned long x, volatile void * ptr, int size)
+{
+ switch (size) {
+ case 1:
+ __asm__ __volatile__
+ ("moveb %2,%0\n\t"
+ "1:\n\t"
+ "casb %0,%1,%2\n\t"
+ "jne 1b"
+ : "=&d" (x) : "d" (x), "m" (*__xg(ptr)) : "memory");
+ break;
+ case 2:
+ __asm__ __volatile__
+ ("movew %2,%0\n\t"
+ "1:\n\t"
+ "casw %0,%1,%2\n\t"
+ "jne 1b"
+ : "=&d" (x) : "d" (x), "m" (*__xg(ptr)) : "memory");
+ break;
+ case 4:
+ __asm__ __volatile__
+ ("movel %2,%0\n\t"
+ "1:\n\t"
+ "casl %0,%1,%2\n\t"
+ "jne 1b"
+ : "=&d" (x) : "d" (x), "m" (*__xg(ptr)) : "memory");
+ break;
+ default:
+ x = __invalid_xchg_size(x, ptr, size);
+ break;
+ }
+ return x;
+}
+#endif
+
+#define xchg(ptr,x) ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr))))
+
+#include <asm-generic/cmpxchg-local.h>
+
+#define cmpxchg64_local(ptr, o, n) __cmpxchg64_local_generic((ptr), (o), (n))
+
+extern unsigned long __invalid_cmpxchg_size(volatile void *,
+ unsigned long, unsigned long, int);
+
+/*
+ * 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.
+ */
+#ifdef CONFIG_RMW_INSNS
+#define __HAVE_ARCH_CMPXCHG 1
+
+static inline unsigned long __cmpxchg(volatile void *p, unsigned long old,
+ unsigned long new, int size)
+{
+ switch (size) {
+ case 1:
+ __asm__ __volatile__ ("casb %0,%2,%1"
+ : "=d" (old), "=m" (*(char *)p)
+ : "d" (new), "0" (old), "m" (*(char *)p));
+ break;
+ case 2:
+ __asm__ __volatile__ ("casw %0,%2,%1"
+ : "=d" (old), "=m" (*(short *)p)
+ : "d" (new), "0" (old), "m" (*(short *)p));
+ break;
+ case 4:
+ __asm__ __volatile__ ("casl %0,%2,%1"
+ : "=d" (old), "=m" (*(int *)p)
+ : "d" (new), "0" (old), "m" (*(int *)p));
+ break;
+ default:
+ old = __invalid_cmpxchg_size(p, old, new, size);
+ break;
+ }
+ return old;
+}
+
+#define cmpxchg(ptr, o, n) \
+ ((__typeof__(*(ptr)))__cmpxchg((ptr), (unsigned long)(o), \
+ (unsigned long)(n), sizeof(*(ptr))))
+#define cmpxchg_local(ptr, o, n) \
+ ((__typeof__(*(ptr)))__cmpxchg((ptr), (unsigned long)(o), \
+ (unsigned long)(n), sizeof(*(ptr))))
+#else
+
+/*
+ * cmpxchg_local and cmpxchg64_local are atomic wrt current CPU. Always make
+ * them available.
+ */
+#define cmpxchg_local(ptr, o, n) \
+ ((__typeof__(*(ptr)))__cmpxchg_local_generic((ptr), (unsigned long)(o),\
+ (unsigned long)(n), sizeof(*(ptr))))
+
+#include <asm-generic/cmpxchg.h>
+
+#endif
+
+#endif /* __ARCH_M68K_CMPXCHG__ */
--- /dev/null
+#ifndef _M68K_EXEC_H
+#define _M68K_EXEC_H
+
+#define arch_align_stack(x) (x)
+
+#endif /* _M68K_EXEC_H */
#include <asm/page.h>
#include <asm/pgtable.h>
-#include <asm/system.h>
#include <asm/irq.h>
#include <asm/sun3x.h>
--- /dev/null
+#ifndef _M68K_SWITCH_TO_H
+#define _M68K_SWITCH_TO_H
+
+/*
+ * switch_to(n) should switch tasks to task ptr, first checking that
+ * ptr isn't the current task, in which case it does nothing. This
+ * also clears the TS-flag if the task we switched to has used the
+ * math co-processor latest.
+ */
+/*
+ * switch_to() saves the extra registers, that are not saved
+ * automatically by SAVE_SWITCH_STACK in resume(), ie. d0-d5 and
+ * a0-a1. Some of these are used by schedule() and its predecessors
+ * and so we might get see unexpected behaviors when a task returns
+ * with unexpected register values.
+ *
+ * syscall stores these registers itself and none of them are used
+ * by syscall after the function in the syscall has been called.
+ *
+ * Beware that resume now expects *next to be in d1 and the offset of
+ * tss to be in a1. This saves a few instructions as we no longer have
+ * to push them onto the stack and read them back right after.
+ *
+ * 02/17/96 - Jes Sorensen (jds@kom.auc.dk)
+ *
+ * Changed 96/09/19 by Andreas Schwab
+ * pass prev in a0, next in a1
+ */
+asmlinkage void resume(void);
+#define switch_to(prev,next,last) do { \
+ register void *_prev __asm__ ("a0") = (prev); \
+ register void *_next __asm__ ("a1") = (next); \
+ register void *_last __asm__ ("d1"); \
+ __asm__ __volatile__("jbsr resume" \
+ : "=a" (_prev), "=a" (_next), "=d" (_last) \
+ : "0" (_prev), "1" (_next) \
+ : "d0", "d2", "d3", "d4", "d5"); \
+ (last) = _last; \
+} while (0)
+
+#endif /* _M68K_SWITCH_TO_H */
-#ifndef _M68K_SYSTEM_H
-#define _M68K_SYSTEM_H
-
-#include <linux/linkage.h>
-#include <linux/kernel.h>
-#include <linux/irqflags.h>
-#include <asm/segment.h>
-#include <asm/entry.h>
-
-#ifdef __KERNEL__
-
-/*
- * switch_to(n) should switch tasks to task ptr, first checking that
- * ptr isn't the current task, in which case it does nothing. This
- * also clears the TS-flag if the task we switched to has used the
- * math co-processor latest.
- */
-/*
- * switch_to() saves the extra registers, that are not saved
- * automatically by SAVE_SWITCH_STACK in resume(), ie. d0-d5 and
- * a0-a1. Some of these are used by schedule() and its predecessors
- * and so we might get see unexpected behaviors when a task returns
- * with unexpected register values.
- *
- * syscall stores these registers itself and none of them are used
- * by syscall after the function in the syscall has been called.
- *
- * Beware that resume now expects *next to be in d1 and the offset of
- * tss to be in a1. This saves a few instructions as we no longer have
- * to push them onto the stack and read them back right after.
- *
- * 02/17/96 - Jes Sorensen (jds@kom.auc.dk)
- *
- * Changed 96/09/19 by Andreas Schwab
- * pass prev in a0, next in a1
- */
-asmlinkage void resume(void);
-#define switch_to(prev,next,last) do { \
- register void *_prev __asm__ ("a0") = (prev); \
- register void *_next __asm__ ("a1") = (next); \
- register void *_last __asm__ ("d1"); \
- __asm__ __volatile__("jbsr resume" \
- : "=a" (_prev), "=a" (_next), "=d" (_last) \
- : "0" (_prev), "1" (_next) \
- : "d0", "d2", "d3", "d4", "d5"); \
- (last) = _last; \
-} while (0)
-
-
-/*
- * Force strict CPU ordering.
- * Not really required on m68k...
- */
-#define nop() do { asm volatile ("nop"); barrier(); } while (0)
-#define mb() barrier()
-#define rmb() barrier()
-#define wmb() barrier()
-#define read_barrier_depends() ((void)0)
-#define set_mb(var, value) ({ (var) = (value); wmb(); })
-
-#define smp_mb() barrier()
-#define smp_rmb() barrier()
-#define smp_wmb() barrier()
-#define smp_read_barrier_depends() ((void)0)
-
-#define xchg(ptr,x) ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr))))
-
-struct __xchg_dummy { unsigned long a[100]; };
-#define __xg(x) ((volatile struct __xchg_dummy *)(x))
-
-extern unsigned long __invalid_xchg_size(unsigned long, volatile void *, int);
-
-#ifndef CONFIG_RMW_INSNS
-static inline unsigned long __xchg(unsigned long x, volatile void * ptr, int size)
-{
- unsigned long flags, tmp;
-
- local_irq_save(flags);
-
- switch (size) {
- case 1:
- tmp = *(u8 *)ptr;
- *(u8 *)ptr = x;
- x = tmp;
- break;
- case 2:
- tmp = *(u16 *)ptr;
- *(u16 *)ptr = x;
- x = tmp;
- break;
- case 4:
- tmp = *(u32 *)ptr;
- *(u32 *)ptr = x;
- x = tmp;
- break;
- default:
- tmp = __invalid_xchg_size(x, ptr, size);
- break;
- }
-
- local_irq_restore(flags);
- return x;
-}
-#else
-static inline unsigned long __xchg(unsigned long x, volatile void * ptr, int size)
-{
- switch (size) {
- case 1:
- __asm__ __volatile__
- ("moveb %2,%0\n\t"
- "1:\n\t"
- "casb %0,%1,%2\n\t"
- "jne 1b"
- : "=&d" (x) : "d" (x), "m" (*__xg(ptr)) : "memory");
- break;
- case 2:
- __asm__ __volatile__
- ("movew %2,%0\n\t"
- "1:\n\t"
- "casw %0,%1,%2\n\t"
- "jne 1b"
- : "=&d" (x) : "d" (x), "m" (*__xg(ptr)) : "memory");
- break;
- case 4:
- __asm__ __volatile__
- ("movel %2,%0\n\t"
- "1:\n\t"
- "casl %0,%1,%2\n\t"
- "jne 1b"
- : "=&d" (x) : "d" (x), "m" (*__xg(ptr)) : "memory");
- break;
- default:
- x = __invalid_xchg_size(x, ptr, size);
- break;
- }
- return x;
-}
-#endif
-
-#include <asm-generic/cmpxchg-local.h>
-
-#define cmpxchg64_local(ptr, o, n) __cmpxchg64_local_generic((ptr), (o), (n))
-
-extern unsigned long __invalid_cmpxchg_size(volatile void *,
- unsigned long, unsigned long, int);
-
-/*
- * 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.
- */
-#ifdef CONFIG_RMW_INSNS
-#define __HAVE_ARCH_CMPXCHG 1
-
-static inline unsigned long __cmpxchg(volatile void *p, unsigned long old,
- unsigned long new, int size)
-{
- switch (size) {
- case 1:
- __asm__ __volatile__ ("casb %0,%2,%1"
- : "=d" (old), "=m" (*(char *)p)
- : "d" (new), "0" (old), "m" (*(char *)p));
- break;
- case 2:
- __asm__ __volatile__ ("casw %0,%2,%1"
- : "=d" (old), "=m" (*(short *)p)
- : "d" (new), "0" (old), "m" (*(short *)p));
- break;
- case 4:
- __asm__ __volatile__ ("casl %0,%2,%1"
- : "=d" (old), "=m" (*(int *)p)
- : "d" (new), "0" (old), "m" (*(int *)p));
- break;
- default:
- old = __invalid_cmpxchg_size(p, old, new, size);
- break;
- }
- return old;
-}
-
-#define cmpxchg(ptr, o, n) \
- ((__typeof__(*(ptr)))__cmpxchg((ptr), (unsigned long)(o), \
- (unsigned long)(n), sizeof(*(ptr))))
-#define cmpxchg_local(ptr, o, n) \
- ((__typeof__(*(ptr)))__cmpxchg((ptr), (unsigned long)(o), \
- (unsigned long)(n), sizeof(*(ptr))))
-#else
-
-/*
- * cmpxchg_local and cmpxchg64_local are atomic wrt current CPU. Always make
- * them available.
- */
-#define cmpxchg_local(ptr, o, n) \
- ((__typeof__(*(ptr)))__cmpxchg_local_generic((ptr), (unsigned long)(o),\
- (unsigned long)(n), sizeof(*(ptr))))
-
-#include <asm-generic/cmpxchg.h>
-
-#endif
-
-#define arch_align_stack(x) (x)
-
-#endif /* __KERNEL__ */
-
-#endif /* _M68K_SYSTEM_H */
+/* FILE TO BE DELETED. DO NOT ADD STUFF HERE! */
+#include <asm/barrier.h>
+#include <asm/cmpxchg.h>
+#include <asm/exec.h>
+#include <asm/switch_to.h>
#include <linux/init.h>
#include <asm/setup.h>
-#include <asm/system.h>
#include <asm/irq.h>
#include <asm/traps.h>
#include <asm/page.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/seq_file.h>
-#include <asm/system.h>
#include <asm/traps.h>
asmlinkage void do_IRQ(int irq, struct pt_regs *regs)
#include <linux/mqueue.h>
#include <asm/uaccess.h>
-#include <asm/system.h>
#include <asm/traps.h>
#include <asm/machdep.h>
#include <asm/setup.h>
#include <asm/uaccess.h>
#include <asm/page.h>
#include <asm/pgtable.h>
-#include <asm/system.h>
#include <asm/processor.h>
/*
#include <asm/setup.h>
#include <asm/fpu.h>
-#include <asm/system.h>
#include <asm/uaccess.h>
#include <asm/traps.h>
#include <asm/pgalloc.h>
#include <asm/setup.h>
#include <asm/fpu.h>
-#include <asm/system.h>
#include <asm/traps.h>
/* assembler routines */
#include <asm/setup.h>
#include <asm/bootinfo.h>
-#include <asm/system.h>
#include <asm/io.h>
#include <asm/irq.h>
#include <asm/pgtable.h>
#include <asm/uaccess.h>
#include <asm/io.h>
#include <asm/rtc.h>
-#include <asm/system.h>
#include <asm/segment.h>
#include <asm/setup.h>
#include <asm/macintosh.h>
#include <asm/setup.h>
#include <asm/traps.h>
-#include <asm/system.h>
#include <asm/uaccess.h>
#include <asm/pgalloc.h>
#include <asm/uaccess.h>
#include <asm/page.h>
#include <asm/pgalloc.h>
-#include <asm/system.h>
#include <asm/traps.h>
#include <asm/machdep.h>
#include <asm/io.h>
#include <asm/segment.h>
#include <asm/page.h>
#include <asm/pgtable.h>
-#include <asm/system.h>
#include <asm/machdep.h>
/*
#include <asm/page.h>
#include <asm/pgalloc.h>
#include <asm/io.h>
-#include <asm/system.h>
#undef DEBUG
#include <asm/segment.h>
#include <asm/page.h>
#include <asm/pgalloc.h>
-#include <asm/system.h>
#include <asm/traps.h>
#include <asm/machdep.h>
#include <asm/uaccess.h>
#include <asm/page.h>
#include <asm/pgalloc.h>
-#include <asm/system.h>
#include <asm/machdep.h>
#include <asm/io.h>
#include <asm/dma.h>
#include <asm/uaccess.h>
#include <asm/page.h>
#include <asm/pgtable.h>
-#include <asm/system.h>
#include <asm/machdep.h>
#include <asm/io.h>
#include <linux/interrupt.h>
#include <asm/bootinfo.h>
-#include <asm/system.h>
#include <asm/pgtable.h>
#include <asm/setup.h>
#include <asm/irq.h>
#include <linux/module.h>
#include <asm/bootinfo.h>
-#include <asm/system.h>
#include <asm/pgtable.h>
#include <asm/setup.h>
#include <asm/irq.h>
#include <asm/io.h>
#include <asm/uaccess.h>
-#include <asm/system.h>
#include <asm/setup.h>
/*
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/rtc.h>
-#include <asm/system.h>
#include <asm/machdep.h>
#include <asm/MC68328.h>
#if defined(CONFIG_PILOT) || defined(CONFIG_INIT_LCD)
#include <linux/clocksource.h>
#include <linux/rtc.h>
#include <asm/setup.h>
-#include <asm/system.h>
#include <asm/pgtable.h>
#include <asm/machdep.h>
#include <asm/MC68VZ328.h>
#include <linux/irq.h>
#include <asm/setup.h>
-#include <asm/system.h>
#include <asm/pgtable.h>
#include <asm/machdep.h>
#include <asm/m68360.h>
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/rtc.h>
-#include <asm/system.h>
#include <asm/pgtable.h>
#include <asm/machdep.h>
#include <asm/MC68EZ328.h>
#include <linux/irq.h>
#include <linux/rtc.h>
-#include <asm/system.h>
#include <asm/pgtable.h>
#include <asm/machdep.h>
#include <asm/MC68VZ328.h>
#include <asm/io.h>
#include <asm/rtc.h>
#include <asm/bootinfo.h>
-#include <asm/system.h>
#include <asm/pgtable.h>
#include <asm/setup.h>
#include <asm/irq.h>
#include <linux/irq.h>
#include <asm/ptrace.h>
-#include <asm/system.h>
#include <asm/traps.h>
#include <asm/q40_master.h>
#include <linux/rtc.h>
#include <asm/errno.h>
-#include <asm/system.h>
#include <asm/rtc.h>
#include <asm/intersil.h>
#include <asm/setup.h>
#include <asm/traps.h>
-#include <asm/system.h>
#include <asm/uaccess.h>
#include <asm/page.h>
#include <asm/pgtable.h>
#include <linux/sched.h>
#include <asm/openprom.h>
#include <asm/oplib.h>
-#include <asm/system.h>
#include <linux/string.h>
/* Non blocking get character from console input device, returns -1
#include <linux/console.h>
#include <linux/init.h>
-#include <asm/system.h>
#include <asm/machdep.h>
#include <asm/irq.h>
#include <asm/sun3xprom.h>
#include <asm/irq.h>
#include <asm/io.h>
-#include <asm/system.h>
#include <asm/traps.h>
#include <asm/sun3x.h>
#include <asm/sun3ints.h>
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