diff options
Diffstat (limited to 'arch/sh/include/asm/processor_32.h')
| -rw-r--r-- | arch/sh/include/asm/processor_32.h | 35 |
1 files changed, 14 insertions, 21 deletions
diff --git a/arch/sh/include/asm/processor_32.h b/arch/sh/include/asm/processor_32.h index 1f3d6fab660..572b4eb0949 100644 --- a/arch/sh/include/asm/processor_32.h +++ b/arch/sh/include/asm/processor_32.h @@ -14,6 +14,7 @@ #include <asm/page.h> #include <asm/types.h> #include <asm/ptrace.h> +#include <asm/hw_breakpoint.h> /* * Default implementation of macro that returns current @@ -90,9 +91,9 @@ struct sh_fpu_soft_struct { 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 { @@ -100,38 +101,30 @@ 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 *); |