linux/arch/sh/include/asm/hw_breakpoint.h
Paul Mundt 3bd1666887 sh: hw-breakpoints: Kill off stub unthrottle callback.
This follows the x86 change and kills off the unthrottle stub. As the x86
change killed off the generic callback it isn't used anymore anyways.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-04-21 11:38:04 +09:00

66 lines
1.8 KiB
C

#ifndef __ASM_SH_HW_BREAKPOINT_H
#define __ASM_SH_HW_BREAKPOINT_H
#ifdef __KERNEL__
#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
/* arch/sh/kernel/hw_breakpoint.c */
extern int arch_check_va_in_userspace(unsigned long va, u16 hbp_len);
extern int arch_validate_hwbkpt_settings(struct perf_event *bp,
struct task_struct *tsk);
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 /* __KERNEL__ */
#endif /* __ASM_SH_HW_BREAKPOINT_H */