diff options
Diffstat (limited to 'arch/sh/include/asm/processor_32.h')
| -rw-r--r-- | arch/sh/include/asm/processor_32.h | 28 |
1 files changed, 20 insertions, 8 deletions
diff --git a/arch/sh/include/asm/processor_32.h b/arch/sh/include/asm/processor_32.h index d79063c5eb9c..9a8714945dc9 100644 --- a/arch/sh/include/asm/processor_32.h +++ b/arch/sh/include/asm/processor_32.h @@ -58,6 +58,14 @@ asmlinkage void __init sh_cpu_init(void); #define SR_FD 0x00008000 /* + * DSP structure and data + */ +struct sh_dsp_struct { + unsigned long dsp_regs[14]; + long status; +}; + +/* * FPU structure and data */ @@ -96,6 +104,11 @@ struct thread_struct { /* floating point info */ union sh_fpu_union fpu; + +#ifdef CONFIG_SH_DSP + /* Dsp status information */ + struct sh_dsp_struct dsp_status; +#endif }; /* Count of active tasks with UBC settings */ @@ -108,12 +121,12 @@ extern int ubc_usercnt; /* * Do necessary setup to start up a newly executed thread. */ -#define start_thread(regs, new_pc, new_sp) \ +#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 + _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; @@ -189,10 +202,9 @@ extern unsigned long get_wchan(struct task_struct *p); #define KSTK_EIP(tsk) (task_pt_regs(tsk)->pc) #define KSTK_ESP(tsk) (task_pt_regs(tsk)->regs[15]) -#define user_stack_pointer(regs) ((regs)->regs[15]) +#define user_stack_pointer(_regs) ((_regs)->regs[15]) -#if defined(CONFIG_CPU_SH2A) || defined(CONFIG_CPU_SH3) || \ - defined(CONFIG_CPU_SH4) +#if defined(CONFIG_CPU_SH2A) || defined(CONFIG_CPU_SH4) #define PREFETCH_STRIDE L1_CACHE_BYTES #define ARCH_HAS_PREFETCH #define ARCH_HAS_PREFETCHW |