typedef struct { volatile int counter; } atomic_t;
-#ifdef __KERNEL__
-
#define ATOMIC_INIT(i) { (i) }
#define atomic_read(v) ((v)->counter)
extern void atomic_clear_mask(unsigned long mask, unsigned long *addr);
-#ifdef CONFIG_SMP
+#if 0 // We only do operation on one CPU at a time (LTT)
#define SMP_SYNC "sync"
#define SMP_ISYNC "\n\tisync"
#else
#define smp_mb__before_atomic_inc() __MB
#define smp_mb__after_atomic_inc() __MB
-#endif /* __KERNEL__ */
#endif /* _ASM_PPC_ATOMIC_H_ */
#include <asm/timex.h>
#include <semaphore.h>
#include <signal.h>
-#ifdef powerpc
-#define __KERNEL__ /* Ugly hack : atomic.h is broken */
-#endif
-#include <asm/atomic.h>
-#ifdef powerpc
-#include "ltt/ltt-usertrace-ppc.h"
-#undef __KERNEL__ /* Ugly hack : atomic.h is broken */
-#endif
#include <ltt/ltt-facility-id-user_generic.h>
#ifdef __powerpc64__
#include "ltt/atomic-ppc64.h"
+#include "ltt/system-ppc64.h"
#else
+#include "ltt/ppc_asm-ppc.h"
#include "ltt/atomic-ppc.h"
+#include "ltt/system-ppc.h"
#endif
-static __inline__ unsigned long
-xchg_u32(volatile void *p, unsigned long val)
-{
- unsigned long prev;
-
- __asm__ __volatile__ ("\n\
-1: lwarx %0,0,%2 \n"
-" stwcx. %3,0,%2 \n\
- bne- 1b"
- : "=&r" (prev), "=m" (*(volatile unsigned long *)p)
- : "r" (p), "r" (val), "m" (*(volatile unsigned long *)p)
- : "cc", "memory");
-
- return prev;
-}
-
-/*
- * This function doesn't exist, so you'll get a linker error
- * if something tries to do an invalid xchg().
- */
-extern void __xchg_called_with_bad_pointer(void);
-
-#define xchg(ptr,x) ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr))))
-#define tas(ptr) (xchg((ptr),1))
-
-static inline unsigned long __xchg(unsigned long x, volatile void *ptr, int size)
-{
- switch (size) {
- case 4:
- return (unsigned long) xchg_u32(ptr, x);
-#if 0 /* xchg_u64 doesn't exist on 32-bit PPC */
- case 8:
- return (unsigned long) xchg_u64(ptr, x);
-#endif /* 0 */
- }
- __xchg_called_with_bad_pointer();
- return x;
-
-
-}
-
-extern inline void * xchg_ptr(void * m, void * val)
-{
- return (void *) xchg_u32(m, (unsigned long) val);
-}
-
-
-#define __HAVE_ARCH_CMPXCHG 1
-
-static __inline__ unsigned long
-__cmpxchg_u32(volatile unsigned int *p, unsigned int old, unsigned int new)
-{
- unsigned int prev;
-
- __asm__ __volatile__ ("\n\
-1: lwarx %0,0,%2 \n\
- cmpw 0,%0,%3 \n\
- bne 2f \n"
-" stwcx. %4,0,%2 \n\
- bne- 1b\n"
-#ifdef CONFIG_SMP
-" sync\n"
-#endif /* CONFIG_SMP */
-"2:"
- : "=&r" (prev), "=m" (*p)
- : "r" (p), "r" (old), "r" (new), "m" (*p)
- : "cc", "memory");
-
- return prev;
-}
-
-/* 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);
-
-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);
-#if 0 /* we don't have __cmpxchg_u64 on 32-bit PPC */
- case 8:
- return __cmpxchg_u64(ptr, old, new);
-#endif /* 0 */
- }
- __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))); \
- })
-
-
#define CPU_FTR_601 0x00000100
#define CLOCK_TICK_RATE 1193180 /* Underlying HZ */
#include <stdint.h>
#include <sys/types.h>
#include <linux/unistd.h>
+#if defined(__powerpc__) || defined(__powerpc64__)
+#include "ltt/ltt-usertrace-ppc.h"
+#else
+#include <asm/atomic.h>
+#endif
#ifndef min
#define min(a,b) ((a)<(b)?(a):(b))
* 2 of the License, or (at your option) any later version.
*/
-#include <linux/config.h>
-
/*
* Macros for storing registers into and loading registers from
* exception frames.
#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>
#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
xchg_u32(volatile void *p, unsigned long val)
{
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:"
#define arch_align_stack(x) (x)
-#endif /* __KERNEL__ */
#endif /* __PPC_SYSTEM_H */
* 2 of the License, or (at your option) any later version.
*/
-#include <linux/config.h>
-#include <linux/compiler.h>
+//#include <linux/config.h>
+//#include <linux/compiler.h>
#include <asm/page.h>
#include <asm/processor.h>
#include <asm/hw_irq.h>
#define smp_read_barrier_depends() do { } while(0)
#endif /* CONFIG_SMP */
-#ifdef __KERNEL__
-struct task_struct;
-struct pt_regs;
-
-#ifdef CONFIG_DEBUGGER
-
-extern int (*__debugger)(struct pt_regs *regs);
-extern int (*__debugger_ipi)(struct pt_regs *regs);
-extern int (*__debugger_bpt)(struct pt_regs *regs);
-extern int (*__debugger_sstep)(struct pt_regs *regs);
-extern int (*__debugger_iabr_match)(struct pt_regs *regs);
-extern int (*__debugger_dabr_match)(struct pt_regs *regs);
-extern int (*__debugger_fault_handler)(struct pt_regs *regs);
-
-#define DEBUGGER_BOILERPLATE(__NAME) \
-static inline int __NAME(struct pt_regs *regs) \
-{ \
- if (unlikely(__ ## __NAME)) \
- return __ ## __NAME(regs); \
- return 0; \
-}
-
-DEBUGGER_BOILERPLATE(debugger)
-DEBUGGER_BOILERPLATE(debugger_ipi)
-DEBUGGER_BOILERPLATE(debugger_bpt)
-DEBUGGER_BOILERPLATE(debugger_sstep)
-DEBUGGER_BOILERPLATE(debugger_iabr_match)
-DEBUGGER_BOILERPLATE(debugger_dabr_match)
-DEBUGGER_BOILERPLATE(debugger_fault_handler)
-
-#ifdef CONFIG_XMON
-extern void xmon_init(void);
-#endif
-
-#else
-static inline int debugger(struct pt_regs *regs) { return 0; }
-static inline int debugger_ipi(struct pt_regs *regs) { return 0; }
-static inline int debugger_bpt(struct pt_regs *regs) { return 0; }
-static inline int debugger_sstep(struct pt_regs *regs) { return 0; }
-static inline int debugger_iabr_match(struct pt_regs *regs) { return 0; }
-static inline int debugger_dabr_match(struct pt_regs *regs) { return 0; }
-static inline int debugger_fault_handler(struct pt_regs *regs) { return 0; }
-#endif
-
-extern int fix_alignment(struct pt_regs *regs);
-extern void bad_page_fault(struct pt_regs *regs, unsigned long address,
- int sig);
-extern void show_regs(struct pt_regs * regs);
-extern void low_hash_fault(struct pt_regs *regs, unsigned long address);
-extern int die(const char *str, struct pt_regs *regs, long err);
-
-extern int _get_PVR(void);
-extern void giveup_fpu(struct task_struct *);
-extern void disable_kernel_fp(void);
-extern void flush_fp_to_thread(struct task_struct *);
-extern void enable_kernel_fp(void);
-extern void giveup_altivec(struct task_struct *);
-extern void disable_kernel_altivec(void);
-extern void enable_kernel_altivec(void);
-extern int emulate_altivec(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);
-
-#ifdef CONFIG_ALTIVEC
-extern void flush_altivec_to_thread(struct task_struct *);
-#else
-static inline void flush_altivec_to_thread(struct task_struct *t)
-{
-}
-#endif
-
-extern int mem_init_done; /* set on boot once kmalloc can be called */
-
-/* EBCDIC -> ASCII conversion for [0-9A-Z] on iSeries */
-extern unsigned char e2a(unsigned char);
-
-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);
-
-static inline int __is_processor(unsigned long pv)
-{
- unsigned long pvr;
- asm("mfspr %0, 0x11F" : "=r" (pvr));
- return(PVR_VER(pvr) == pv);
-}
-
/*
* Atomic exchange
*
#define arch_align_stack(x) (x)
-#endif /* __KERNEL__ */
#endif
projects / lttv.git / commitdiff
