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[lttv.git] / ltt-usertrace / ltt / system-ppc.h

diff --git a/ltt-usertrace/ltt/system-ppc.h b/ltt-usertrace/ltt/system-ppc.h
index 82395f30004b7ba30cdec4d4e82c05c8ab9272a9..bb842f1a1ceec8af1c13dab5835d926b7b438d12 100644 (file)
--- a/ltt-usertrace/ltt/system-ppc.h
+++ b/ltt-usertrace/ltt/system-ppc.h
@@ -4,12 +4,13 @@
 #ifndef __PPC_SYSTEM_H
 #define __PPC_SYSTEM_H
 
-#include <linux/config.h>
-#include <linux/kernel.h>
-
 #include <asm/atomic.h>
 #include <asm/hw_irq.h>
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 /*
  * Memory barrier.
  * The sync instruction guarantees that all memory accesses initiated
@@ -48,60 +49,7 @@
 #define smp_read_barrier_depends()     do { } while(0)
 #endif /* CONFIG_SMP */
 
-#ifdef __KERNEL__
-struct task_struct;
-struct pt_regs;
-
-extern void print_backtrace(unsigned long *);
-extern void show_regs(struct pt_regs * regs);
-extern void flush_instruction_cache(void);
-extern void hard_reset_now(void);
-extern void poweroff_now(void);
-#ifdef CONFIG_6xx
-extern long _get_L2CR(void);
-extern long _get_L3CR(void);
-extern void _set_L2CR(unsigned long);
-extern void _set_L3CR(unsigned long);
-#else
-#define _get_L2CR()    0L
-#define _get_L3CR()    0L
-#define _set_L2CR(val) do { } while(0)
-#define _set_L3CR(val) do { } while(0)
-#endif
-extern void via_cuda_init(void);
-extern void pmac_nvram_init(void);
-extern void read_rtc_time(void);
-extern void pmac_find_display(void);
-extern void giveup_fpu(struct task_struct *);
-extern void enable_kernel_fp(void);
-extern void enable_kernel_altivec(void);
-extern void giveup_altivec(struct task_struct *);
-extern void load_up_altivec(struct task_struct *);
-extern void giveup_spe(struct task_struct *);
-extern void load_up_spe(struct task_struct *);
-extern int fix_alignment(struct pt_regs *);
-extern void cvt_fd(float *from, double *to, unsigned long *fpscr);
-extern void cvt_df(double *from, float *to, unsigned long *fpscr);
-extern int call_rtas(const char *, int, int, unsigned long *, ...);
-extern void cacheable_memzero(void *p, unsigned int nb);
-extern int do_page_fault(struct pt_regs *, unsigned long, unsigned long);
-extern void bad_page_fault(struct pt_regs *, unsigned long, int);
-extern void die(const char *, struct pt_regs *, long);
-
-struct device_node;
-extern void note_scsi_host(struct device_node *, void *);
-
-extern struct task_struct *__switch_to(struct task_struct *,
-       struct task_struct *);
-#define switch_to(prev, next, last)    ((last) = __switch_to((prev), (next)))
-
-struct thread_struct;
-extern struct task_struct *_switch(struct thread_struct *prev,
-                                  struct thread_struct *next);
-
-extern unsigned int rtas_data;
-
-static __inline__ unsigned long
+static inline unsigned long
 xchg_u32(volatile void *p, unsigned long val)
 {
        unsigned long prev;
@@ -151,7 +99,7 @@ extern inline void * xchg_ptr(void * m, void * val)
 
 #define __HAVE_ARCH_CMPXCHG    1
 
-static __inline__ unsigned long
+static inline unsigned long
 __cmpxchg_u32(volatile unsigned int *p, unsigned int old, unsigned int new)
 {
        unsigned int prev;
@@ -163,7 +111,7 @@ __cmpxchg_u32(volatile unsigned int *p, unsigned int old, unsigned int new)
        PPC405_ERR77(0,%2)
 "      stwcx.  %4,0,%2 \n\
        bne-    1b\n"
-#ifdef CONFIG_SMP
+#if 0 //only using one CPU at a time (LTT) // def CONFIG_SMP
 "      sync\n"
 #endif /* CONFIG_SMP */
 "2:"
@@ -178,7 +126,7 @@ __cmpxchg_u32(volatile unsigned int *p, unsigned int old, unsigned int new)
    if something tries to do an invalid cmpxchg().  */
 extern void __cmpxchg_called_with_bad_pointer(void);
 
-static __inline__ unsigned long
+static inline unsigned long
 __cmpxchg(volatile void *ptr, unsigned long old, unsigned long new, int size)
 {
        switch (size) {
@@ -203,5 +151,8 @@ __cmpxchg(volatile void *ptr, unsigned long old, unsigned long new, int size)
 
 #define arch_align_stack(x) (x)
 
-#endif /* __KERNEL__ */
+#ifdef __cplusplus
+} /* end of extern "C" */
+#endif
+
 #endif /* __PPC_SYSTEM_H */