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 /* arch/sh/kernel/hw_breakpoint.c */
50 extern int arch_check_va_in_userspace(unsigned long va
, u16 hbp_len
);
51 extern int arch_validate_hwbkpt_settings(struct perf_event
*bp
,
52 struct task_struct
*tsk
);
53 extern int hw_breakpoint_exceptions_notify(struct notifier_block
*unused
,
54 unsigned long val
, void *data
);
56 int arch_install_hw_breakpoint(struct perf_event
*bp
);
57 void arch_uninstall_hw_breakpoint(struct perf_event
*bp
);
58 void hw_breakpoint_pmu_read(struct perf_event
*bp
);
59 void hw_breakpoint_pmu_unthrottle(struct perf_event
*bp
);
61 extern void arch_fill_perf_breakpoint(struct perf_event
*bp
);
62 extern int register_sh_ubc(struct sh_ubc
*);
64 extern struct pmu perf_ops_bp
;
66 #endif /* __KERNEL__ */
67 #endif /* __ASM_SH_HW_BREAKPOINT_H */
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