{{0,},} \
}
+#define NUM_DSP_REGS 6
+
+typedef __u32 dspreg_t;
+
+struct mips_dsp_state {
+ dspreg_t dspr[NUM_DSP_REGS];
+ unsigned int dspcontrol;
+};
+
+#define INIT_DSP {{0,},}
+
typedef struct {
unsigned long seg;
} mm_segment_t;
#define ARCH_MIN_TASKALIGN 8
+struct mips_abi;
+
/*
* If you change thread_struct remember to change the #defines below too!
*/
/* Saved fpu/fpu emulator stuff. */
union mips_fpu_union fpu;
+ /* Saved state of the DSP ASE, if available. */
+ struct mips_dsp_state dsp;
+
/* Other stuff associated with the thread. */
unsigned long cp0_badvaddr; /* Last user fault */
unsigned long cp0_baduaddr; /* Last kernel fault accessing USEG */
unsigned long mflags;
unsigned long irix_trampoline; /* Wheee... */
unsigned long irix_oldctx;
+ struct mips_abi *abi;
};
#define MF_ABI_MASK (MF_32BIT_REGS | MF_32BIT_ADDR)
* saved fpu/fpu emulator stuff \
*/ \
INIT_FPU, \
+ /* \
+ * saved dsp/dsp emulator stuff \
+ */ \
+ INIT_DSP, \
/* \
* Other stuff associated with the process \
*/ \
unsigned long get_wchan(struct task_struct *p);
-#define __PT_REG(reg) ((long)&((struct pt_regs *)0)->reg - sizeof(struct pt_regs))
-#define __KSTK_TOS(tsk) ((unsigned long)(tsk->thread_info) + THREAD_SIZE - 32)
-#define KSTK_EIP(tsk) (*(unsigned long *)(__KSTK_TOS(tsk) + __PT_REG(cp0_epc)))
-#define KSTK_ESP(tsk) (*(unsigned long *)(__KSTK_TOS(tsk) + __PT_REG(regs[29])))
-#define KSTK_STATUS(tsk) (*(unsigned long *)(__KSTK_TOS(tsk) + __PT_REG(cp0_status)))
+#define __KSTK_TOS(tsk) ((unsigned long)task_stack_page(tsk) + THREAD_SIZE - 32)
+#define task_pt_regs(tsk) ((struct pt_regs *)__KSTK_TOS(tsk) - 1)
+#define KSTK_EIP(tsk) (task_pt_regs(tsk)->cp0_epc)
+#define KSTK_ESP(tsk) (task_pt_regs(tsk)->regs[29])
+#define KSTK_STATUS(tsk) (task_pt_regs(tsk)->cp0_status)
#define cpu_relax() barrier()