dsp.h File Reference

#include <asm/cpu.h>
#include <asm/cpu-features.h>
#include <asm/hazards.h>
#include <asm/mipsregs.h>

Go to the source code of this file.

Macros
#define	DSP_DEFAULT   0x00000000
#define	DSP_MASK   0x3ff
#define	__enable_dsp_hazard()
#define	__save_dsp(tsk)
#define	save_dsp(tsk)
#define	__restore_dsp(tsk)
#define	restore_dsp(tsk)
#define	__get_dsp_regs(tsk)

Macro Definition Documentation

#define __enable_dsp_hazard

(

)

Value:

do {                                    \
    asm("_ehb");                            \
} while (0)

Definition at line 21 of file dsp.h.

#define __get_dsp_regs

(

tsk

)

Value:

({                                  \
    if (tsk == current)                     \
        __save_dsp(current);                    \
                                    \
    tsk->thread.dsp.dspr;                       \
})

Definition at line 77 of file dsp.h.

#define __restore_dsp

(

tsk

)

Value:

do {                                    \
    mthi1(tsk->thread.dsp.dspr[0]);                 \
    mtlo1(tsk->thread.dsp.dspr[1]);                 \
    mthi2(tsk->thread.dsp.dspr[2]);                 \
    mtlo2(tsk->thread.dsp.dspr[3]);                 \
    mthi3(tsk->thread.dsp.dspr[4]);                 \
    mtlo3(tsk->thread.dsp.dspr[5]);                 \
    wrdsp(tsk->thread.dsp.dspcontrol, DSP_MASK);            \
} while (0)

Definition at line 60 of file dsp.h.

#define __save_dsp

(

tsk

)

Value:

do {                                    \
    tsk->thread.dsp.dspr[0] = mfhi1();              \
    tsk->thread.dsp.dspr[1] = mflo1();              \
    tsk->thread.dsp.dspr[2] = mfhi2();              \
    tsk->thread.dsp.dspr[3] = mflo2();              \
    tsk->thread.dsp.dspr[4] = mfhi3();              \
    tsk->thread.dsp.dspr[5] = mflo3();              \
    tsk->thread.dsp.dspcontrol = rddsp(DSP_MASK);           \
} while (0)

Definition at line 43 of file dsp.h.

#define DSP_DEFAULT   0x00000000

Definition at line 18 of file dsp.h.

#define DSP_MASK   0x3ff

Definition at line 19 of file dsp.h.

#define restore_dsp

(

tsk

)

Value:

do {                                    \
    if (cpu_has_dsp)                        \
        __restore_dsp(tsk);                 \
} while (0)

Definition at line 71 of file dsp.h.

#define save_dsp

(

tsk

)

Value:

do {                                    \
    if (cpu_has_dsp)                        \
        __save_dsp(tsk);                    \
} while (0)

Definition at line 54 of file dsp.h.