#include <asm/page.h>
#include <asm/types.h>
#include <asm/ptrace.h>
+#include <asm/hw_breakpoint.h>
/*
* Default implementation of macro that returns current
#define CCN_CVR 0xff000040
#define CCN_PRR 0xff000044
-asmlinkage void __init sh_cpu_init(void);
-
/*
* User space process size: 2GB.
*
unsigned long entry_pc;
};
-union sh_fpu_union {
- struct sh_fpu_hard_struct hard;
- struct sh_fpu_soft_struct soft;
+union thread_xstate {
+ struct sh_fpu_hard_struct hardfpu;
+ struct sh_fpu_soft_struct softfpu;
};
struct thread_struct {
unsigned long sp;
unsigned long pc;
- /* Hardware debugging registers */
- unsigned long ubc_pc;
+ /* Various thread flags, see SH_THREAD_xxx */
+ unsigned long flags;
- /* floating point info */
- union sh_fpu_union fpu;
+ /* Save middle states of ptrace breakpoints */
+ struct perf_event *ptrace_bps[HBP_NUM];
#ifdef CONFIG_SH_DSP
/* Dsp status information */
struct sh_dsp_struct dsp_status;
#endif
-};
-/* Count of active tasks with UBC settings */
-extern int ubc_usercnt;
+ /* Extended processor state */
+ union thread_xstate *xstate;
+};
#define INIT_THREAD { \
.sp = sizeof(init_stack) + (long) &init_stack, \
+ .flags = 0, \
}
-/*
- * Do necessary setup to start up a newly executed thread.
- */
-#define start_thread(_regs, new_pc, new_sp) \
- set_fs(USER_DS); \
- _regs->pr = 0; \
- _regs->sr = SR_FD; /* User mode. */ \
- _regs->pc = new_pc; \
- _regs->regs[15] = new_sp
-
/* Forward declaration, a strange C thing */
struct task_struct;
-struct mm_struct;
+
+extern void start_thread(struct pt_regs *regs, unsigned long new_pc, unsigned long new_sp);
/* Free all resources held by a thread. */
extern void release_thread(struct task_struct *);