plf_intr.h

开放源码实时操作系统源码.

#define CYGHWR_HAL_INTERRUPT_VECTORS_DEFINED

#endif

//--------------------------------------------------------------------------
// Interrupt controler information

// V320USC 
#define CYGARC_REG_INT_STAT   0xb80000ec

#define CYGARC_REG_INT_CFG0   0xb80000e0
#define CYGARC_REG_INT_CFG1   0xb80000e4
#define CYGARC_REG_INT_CFG2   0xb80000e8
#define CYGARC_REG_INT_CFG3   0xb8000158

#define CYGARC_REG_INT_CFG_INT0 0x00000100
#define CYGARC_REG_INT_CFG_INT1 0x00000200
#define CYGARC_REG_INT_CFG_INT2 0x00000400
#define CYGARC_REG_INT_CFG_INT3 0x00000800


// FPGA
#define CYGARC_REG_PCI_STAT   0xb5300000
#define CYGARC_REG_PCI_MASK   0xb5300030

#define CYGARC_REG_IO_STAT    0xb5300010
#define CYGARC_REG_IO_MASK    0xb5300040


#define HAL_INTERRUPT_MASK( _vector_ )                                      \
    CYG_MACRO_START                                                         \
    if( (_vector_) <= CYGNUM_HAL_INTERRUPT_COMPARE )                        \
    {                                                                       \
        asm volatile (                                                      \
            "mfc0   $3,$12\n"                                               \
            "la     $2,0x00000400\n"                                        \
            "sllv   $2,$2,%0\n"                                             \
            "nor    $2,$2,$0\n"                                             \
            "and    $3,$3,$2\n"                                             \
            "mtc0   $3,$12\n"                                               \
            "nop; nop; nop\n"                                               \
            :                                                               \
            : "r"(_vector_)                                                 \
            : "$2", "$3"                                                    \
            );                                                              \
    }                                                                       \
    else if ((_vector_) >= CYGNUM_HAL_INTERRUPT_INTC_IO_base)               \
    {                                                                       \
        cyg_uint8 _mask_;                                                   \
        cyg_uint32 _shift_ = (_vector_)-CYGNUM_HAL_INTERRUPT_INTC_IO_base;  \
        HAL_READ_UINT8(CYGARC_REG_IO_MASK, _mask_ );                        \
        _mask_ &= ~(1<<_shift_);                                            \
        HAL_WRITE_UINT8(CYGARC_REG_IO_MASK, _mask_ );                       \
    }                                                                       \
    else if (_vector_ >= CYGNUM_HAL_INTERRUPT_INTC_PCI_base)                \
    {                                                                       \
        cyg_uint8 _mask_;                                                   \
        cyg_uint32 _shift_ = (_vector_)-CYGNUM_HAL_INTERRUPT_INTC_PCI_base; \
        HAL_READ_UINT8(CYGARC_REG_PCI_MASK, _mask_ );                       \
        _mask_ &= ~(1<<_shift_);                                            \
        HAL_WRITE_UINT8(CYGARC_REG_PCI_MASK, _mask_ );                      \
    } else { /* V320USC */                                                  \
        cyg_uint32 _mask_;                                                  \
        cyg_uint32 _shift_ =                                                \
            (_vector_)-CYGNUM_HAL_INTERRUPT_INTC_V320USC_base;              \
        HAL_READ_UINT32(CYGARC_REG_INT_CFG0, _mask_ );                      \
        _mask_ &= !(1<<_shift_);                                            \
        HAL_WRITE_UINT32(CYGARC_REG_INT_CFG0, _mask_ );                     \
    }                                                                       \
    CYG_MACRO_END

#define HAL_INTERRUPT_UNMASK( _vector_ )                                    \
    CYG_MACRO_START                                                         \
    if( (_vector_) <= CYGNUM_HAL_INTERRUPT_COMPARE )                        \
    {                                                                       \
        asm volatile (                                                      \
            "mfc0   $3,$12\n"                                               \
            "la     $2,0x00000400\n"                                        \
            "sllv   $2,$2,%0\n"                                             \
            "or     $3,$3,$2\n"                                             \
            "mtc0   $3,$12\n"                                               \
            "nop; nop; nop\n"                                               \
            :                                                               \
            : "r"(_vector_)                                                 \
            : "$2", "$3"                                                    \
            );                                                              \
    }                                                                       \
    else if ((_vector_) >= CYGNUM_HAL_INTERRUPT_INTC_IO_base)               \
    {                                                                       \
        cyg_uint8 _mask_;                                                   \
        cyg_uint32 _shift_ = (_vector_)-CYGNUM_HAL_INTERRUPT_INTC_IO_base;  \
        HAL_READ_UINT8(CYGARC_REG_IO_MASK, _mask_ );                        \
        _mask_ |= (1<<_shift_);                                             \
        HAL_WRITE_UINT8(CYGARC_REG_IO_MASK, _mask_ );                       \
    }                                                                       \
    else if (_vector_ >= CYGNUM_HAL_INTERRUPT_INTC_PCI_base)                \
    {                                                                       \
        cyg_uint8 _mask_;                                                   \
        cyg_uint32 _shift_ = (_vector_)-CYGNUM_HAL_INTERRUPT_INTC_PCI_base; \
        HAL_READ_UINT8(CYGARC_REG_PCI_MASK, _mask_ );                       \
        _mask_ |= (1<<_shift_);                                             \
        HAL_WRITE_UINT8(CYGARC_REG_PCI_MASK, _mask_ );                      \
    } else { /* V320USC */                                                  \
        cyg_uint32 _mask_;                                                  \
        cyg_uint32 _shift_ =                                                \
            (_vector_)-CYGNUM_HAL_INTERRUPT_INTC_V320USC_base;              \
        HAL_READ_UINT32(CYGARC_REG_INT_CFG0, _mask_ );                      \
        _mask_ |= (1<<_shift_);                                             \
        HAL_WRITE_UINT32(CYGARC_REG_INT_CFG0, _mask_ );                     \
    }                                                                       \
    CYG_MACRO_END

#define HAL_INTERRUPT_ACKNOWLEDGE( _vector_ )                           \
    CYG_MACRO_START                                                     \
    cyg_uint32 _srvector_ = _vector_;                                   \
    if ((_vector_) >= CYGNUM_HAL_INTERRUPT_INTC_IO_base) {              \
        _srvector_ = CYGNUM_HAL_INTERRUPT_IO;                           \
    } else if (_vector_ >= CYGNUM_HAL_INTERRUPT_INTC_PCI_base) {        \
        _srvector_ = CYGNUM_HAL_INTERRUPT_V320USC_INT1;                 \
    } else if (_vector_ >= CYGNUM_HAL_INTERRUPT_INTC_V320USC_base) {    \
        cyg_uint32 _mask_;                                              \
        cyg_uint32 _shift_ =                                            \
            (_vector_)-CYGNUM_HAL_INTERRUPT_INTC_V320USC_base;          \
        _mask_ = (1<<_shift_);                                          \
        HAL_WRITE_UINT32(CYGARC_REG_INT_STAT, _mask_ );                 \
        _srvector_ = CYGNUM_HAL_INTERRUPT_V320USC_INT0;                 \
    }                                                                   \
    asm volatile (                                                      \
        "mfc0   $3,$13\n"                                               \
        "la     $2,0x00000400\n"                                        \
        "sllv   $2,$2,%0\n"                                             \
        "nor    $2,$2,$0\n"                                             \
        "and    $3,$3,$2\n"                                             \
        "mtc0   $3,$13\n"                                               \
        "nop; nop; nop\n"                                               \
        :                                                               \
        : "r"(_srvector_)                                               \
        : "$2", "$3"                                                    \
        );                                                              \
    CYG_MACRO_END

#define HAL_INTERRUPT_CONFIGURE( _vector_, _level_, _up_ )

#define HAL_INTERRUPT_SET_LEVEL( _vector_, _level_ )

#define CYGHWR_HAL_INTERRUPT_CONTROLLER_ACCESS_DEFINED


//----------------------------------------------------------------------------
// Reset.
#define CYGARC_REG_BOARD_RESET 0xb5400000

#define HAL_PLATFORM_RESET() HAL_WRITE_UINT8(CYGARC_REG_BOARD_RESET,0)

#define HAL_PLATFORM_RESET_ENTRY 0xbfc00000

//--------------------------------------------------------------------------
#endif // ifndef CYGONCE_HAL_PLF_INTR_H
// End of plf_intr.h