![David Howells](/assets/img/avatar_default.png)
Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Michael Kerrisk <mtk.manpages@gmail.com> Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Acked-by: Dave Jones <davej@redhat.com>
71 lines
1.8 KiB
C
71 lines
1.8 KiB
C
#ifndef __ASM_SH_HW_BREAKPOINT_H
|
|
#define __ASM_SH_HW_BREAKPOINT_H
|
|
|
|
#include <uapi/asm/hw_breakpoint.h>
|
|
|
|
#define __ARCH_HW_BREAKPOINT_H
|
|
|
|
#include <linux/kdebug.h>
|
|
#include <linux/types.h>
|
|
|
|
struct arch_hw_breakpoint {
|
|
char *name; /* Contains name of the symbol to set bkpt */
|
|
unsigned long address;
|
|
u16 len;
|
|
u16 type;
|
|
};
|
|
|
|
enum {
|
|
SH_BREAKPOINT_READ = (1 << 1),
|
|
SH_BREAKPOINT_WRITE = (1 << 2),
|
|
SH_BREAKPOINT_RW = SH_BREAKPOINT_READ | SH_BREAKPOINT_WRITE,
|
|
|
|
SH_BREAKPOINT_LEN_1 = (1 << 12),
|
|
SH_BREAKPOINT_LEN_2 = (1 << 13),
|
|
SH_BREAKPOINT_LEN_4 = SH_BREAKPOINT_LEN_1 | SH_BREAKPOINT_LEN_2,
|
|
SH_BREAKPOINT_LEN_8 = (1 << 14),
|
|
};
|
|
|
|
struct sh_ubc {
|
|
const char *name;
|
|
unsigned int num_events;
|
|
unsigned int trap_nr;
|
|
void (*enable)(struct arch_hw_breakpoint *, int);
|
|
void (*disable)(struct arch_hw_breakpoint *, int);
|
|
void (*enable_all)(unsigned long);
|
|
void (*disable_all)(void);
|
|
unsigned long (*active_mask)(void);
|
|
unsigned long (*triggered_mask)(void);
|
|
void (*clear_triggered_mask)(unsigned long);
|
|
struct clk *clk; /* optional interface clock / MSTP bit */
|
|
};
|
|
|
|
struct perf_event;
|
|
struct task_struct;
|
|
struct pmu;
|
|
|
|
/* Maximum number of UBC channels */
|
|
#define HBP_NUM 2
|
|
|
|
static inline int hw_breakpoint_slots(int type)
|
|
{
|
|
return HBP_NUM;
|
|
}
|
|
|
|
/* arch/sh/kernel/hw_breakpoint.c */
|
|
extern int arch_check_bp_in_kernelspace(struct perf_event *bp);
|
|
extern int arch_validate_hwbkpt_settings(struct perf_event *bp);
|
|
extern int hw_breakpoint_exceptions_notify(struct notifier_block *unused,
|
|
unsigned long val, void *data);
|
|
|
|
int arch_install_hw_breakpoint(struct perf_event *bp);
|
|
void arch_uninstall_hw_breakpoint(struct perf_event *bp);
|
|
void hw_breakpoint_pmu_read(struct perf_event *bp);
|
|
|
|
extern void arch_fill_perf_breakpoint(struct perf_event *bp);
|
|
extern int register_sh_ubc(struct sh_ubc *);
|
|
|
|
extern struct pmu perf_ops_bp;
|
|
|
|
#endif /* __ASM_SH_HW_BREAKPOINT_H */
|