kernel-ark/arch/sh/include/asm/hw_breakpoint.h
Linus Torvalds 7c7cbaf5b8 Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: (127 commits)
  sh: update defconfigs.
  sh: Fix up the NUMA build for recent LMB changes.
  sh64: provide a stub per_cpu_trap_init() definition.
  sh: fix up CONFIG_KEXEC=n build.
  sh: fixup the docbook paths for clock framework shuffling.
  driver core: Early dev_name() depends on slab_is_available().
  sh: simplify WARN usage in SH clock driver
  sh: Check return value of clk_get on ms7724
  sh: Check return value of clk_get on ecovec24
  sh: move sh clock-cpg.c contents to drivers/sh/clk-cpg.c
  sh: move sh clock.c contents to drivers/sh/clk.
  sh: move sh asm/clock.h contents to linux/sh_clk.h V2
  sh: remove unused clock lookup
  sh: switch boards to clkdev
  sh: switch sh4-202 to clkdev
  sh: switch shx3 to clkdev
  sh: switch sh7757 to clkdev
  sh: switch sh7763 to clkdev
  sh: switch sh7780 to clkdev
  sh: switch sh7786 to clkdev
  ...
2010-05-19 11:36:03 -07:00

71 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
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 /* __KERNEL__ */
#endif /* __ASM_SH_HW_BREAKPOINT_H */