1 #ifndef __ASM_SH_HW_BREAKPOINT_H
2 #define __ASM_SH_HW_BREAKPOINT_H
5 #define __ARCH_HW_BREAKPOINT_H
7 #include <linux/kdebug.h>
8 #include <linux/types.h>
10 struct arch_hw_breakpoint {
11 char *name; /* Contains name of the symbol to set bkpt */
12 unsigned long address;
18 SH_BREAKPOINT_READ = (1 << 1),
19 SH_BREAKPOINT_WRITE = (1 << 2),
20 SH_BREAKPOINT_RW = SH_BREAKPOINT_READ | SH_BREAKPOINT_WRITE,
22 SH_BREAKPOINT_LEN_1 = (1 << 12),
23 SH_BREAKPOINT_LEN_2 = (1 << 13),
24 SH_BREAKPOINT_LEN_4 = SH_BREAKPOINT_LEN_1 | SH_BREAKPOINT_LEN_2,
25 SH_BREAKPOINT_LEN_8 = (1 << 14),
30 unsigned int num_events;
32 void (*enable)(struct arch_hw_breakpoint *, int);
33 void (*disable)(struct arch_hw_breakpoint *, int);
34 void (*enable_all)(unsigned long);
35 void (*disable_all)(void);
36 unsigned long (*active_mask)(void);
37 unsigned long (*triggered_mask)(void);
38 void (*clear_triggered_mask)(unsigned long);
39 struct clk *clk; /* optional interface clock / MSTP bit */
46 /* Maximum number of UBC channels */
49 static inline int hw_breakpoint_slots(int type)
54 /* arch/sh/kernel/hw_breakpoint.c */
55 extern int arch_check_bp_in_kernelspace(struct perf_event *bp);
56 extern int arch_validate_hwbkpt_settings(struct perf_event *bp);
57 extern int hw_breakpoint_exceptions_notify(struct notifier_block *unused,
58 unsigned long val, void *data);
60 int arch_install_hw_breakpoint(struct perf_event *bp);
61 void arch_uninstall_hw_breakpoint(struct perf_event *bp);
62 void hw_breakpoint_pmu_read(struct perf_event *bp);
63 void hw_breakpoint_pmu_unthrottle(struct perf_event *bp);
65 extern void arch_fill_perf_breakpoint(struct perf_event *bp);
66 extern int register_sh_ubc(struct sh_ubc *);
68 extern struct pmu perf_ops_bp;
70 #endif /* __KERNEL__ */
71 #endif /* __ASM_SH_HW_BREAKPOINT_H */