riscv.h File Reference

#include "pico.h"
#include "hardware/regs/rvcsr.h"

Go to the source code of this file.

Macros
#define	_riscv_read_csr(csrname)
#define	_riscv_write_csr(csrname, data)
#define	_riscv_set_csr(csrname, data)
#define	_riscv_clear_csr(csrname, data)
#define	_riscv_read_write_csr(csrname, data)
#define	_riscv_read_set_csr(csrname, data)
#define	_riscv_read_clear_csr(csrname, data)
#define	riscv_read_csr(csrname)
#define	riscv_write_csr(csrname, data)
#define	riscv_set_csr(csrname, data)
#define	riscv_clear_csr(csrname, data)
#define	riscv_read_write_csr(csrname, data)
#define	riscv_read_set_csr(csrname, data)
#define	riscv_read_clear_csr(csrname, data)

Functions
static uint32_t	riscv_encode_imm_u (uint32_t x)
static uint32_t	riscv_encode_imm_i (uint32_t x)
static uint32_t	riscv_encode_imm_u_hi (uint32_t x)
static uint32_t	riscv_encode_imm_b (uint32_t x)
static uint32_t	riscv_encode_imm_s (uint32_t x)
static uint32_t	riscv_encode_imm_j (uint32_t x)
static uint16_t	riscv_encode_imm_cj (uint32_t x)
static uint16_t	riscv_encode_imm_cb (uint32_t x)
static uint16_t	riscv_encode_imm_ci (uint32_t x)

Macro Definition Documentation

_riscv_clear_csr

#define _riscv_clear_csr	(		csrname,
			data )

Value:

    ({ \
    if (__builtin_constant_p(data) && !((data) & -32u)) { \
        asm volatile ("csrci " #csrname ", %0" : : "i" (data)); \
    } else { \
        asm volatile ("csrc " #csrname ", %0" : : "r" (data)); \
    } \
})

_riscv_read_clear_csr

#define _riscv_read_clear_csr	(		csrname,
			data )

Value:

    ({ \
    uint32_t __csr_tmp_u32; \
    if (__builtin_constant_p(data) && !((data) & -32u)) { \
        asm volatile ("csrrci %0, " #csrname ", %1": "=r" (__csr_tmp_u32) : "i" (data)); \
    } else { \
        asm volatile ("csrrc %0, " #csrname ", %1": "=r" (__csr_tmp_u32) : "r" (data)); \
    } \
    __csr_tmp_u32; \
})

_riscv_read_csr

#define _riscv_read_csr

(

csrname

)

Value:

    ({ \
    uint32_t __csr_tmp_u32; \
    asm volatile ("csrr %0, " #csrname : "=r" (__csr_tmp_u32)); \
    __csr_tmp_u32; \
})

_riscv_read_set_csr

#define _riscv_read_set_csr	(		csrname,
			data )

Value:

    ({ \
    uint32_t __csr_tmp_u32; \
    if (__builtin_constant_p(data) && !((data) & -32u)) { \
        asm volatile ("csrrsi %0, " #csrname ", %1": "=r" (__csr_tmp_u32) : "i" (data)); \
    } else { \
        asm volatile ("csrrs %0, " #csrname ", %1": "=r" (__csr_tmp_u32) : "r" (data)); \
    } \
    __csr_tmp_u32; \
})

_riscv_read_write_csr

#define _riscv_read_write_csr	(		csrname,
			data )

Value:

    ({ \
    uint32_t __csr_tmp_u32; \
    if (__builtin_constant_p(data) && !((data) & -32u)) { \
        asm volatile ("csrrwi %0, " #csrname ", %1": "=r" (__csr_tmp_u32) : "i" (data)); \
    } else { \
        asm volatile ("csrrw %0, " #csrname ", %1": "=r" (__csr_tmp_u32) : "r" (data)); \
    } \
    __csr_tmp_u32; \
})

_riscv_set_csr

#define _riscv_set_csr	(		csrname,
			data )

Value:

    ({ \
    if (__builtin_constant_p(data) && !((data) & -32u)) { \
        asm volatile ("csrsi " #csrname ", %0" : : "i" (data)); \
    } else { \
        asm volatile ("csrs " #csrname ", %0" : : "r" (data)); \
    } \
})

_riscv_write_csr

#define _riscv_write_csr	(		csrname,
			data )

Value:

    ({ \
    if (__builtin_constant_p(data) && !((data) & -32u)) { \
        asm volatile ("csrwi " #csrname ", %0" : : "i" (data)); \
    } else { \
        asm volatile ("csrw " #csrname ", %0" : : "r" (data)); \
    } \
})

riscv_clear_csr

#define riscv_clear_csr	(		csrname,
			data )

Value:

_riscv_clear_csr(csrname, data)

riscv_read_clear_csr

#define riscv_read_clear_csr	(		csrname,
			data )

Value:

_riscv_read_clear_csr(csrname, data)

riscv_read_csr

#define riscv_read_csr

(

csrname

)

Value:

_riscv_read_csr(csrname)

riscv_read_set_csr

#define riscv_read_set_csr	(		csrname,
			data )

Value:

_riscv_read_set_csr(csrname, data)

riscv_read_write_csr

#define riscv_read_write_csr	(		csrname,
			data )

Value:

_riscv_read_write_csr(csrname, data)

riscv_set_csr

#define riscv_set_csr	(		csrname,
			data )

Value:

_riscv_set_csr(csrname, data)

riscv_write_csr

#define riscv_write_csr	(		csrname,
			data )

Value:

_riscv_write_csr(csrname, data)