softrvv/include/softrvv.h

#ifndef SOFTRVV_H
#define SOFTRVV_H

#include <stddef.h>

#include "encoding.h"
#include "softrvv_vadd.h"
#include "softrvv_vsub.h"
#include "softrvv_vwadd.h"
#include "softrvv_vwsub.h"


namespace softrvv {

const uint32_t MSTATUS_VS_FS_ENABLE_BIT =
    (MSTATUS_VS & (MSTATUS_VS >> 1)) | (MSTATUS_FS & (MSTATUS_FS >> 1));

inline void disable_rvv() {
  __asm__ volatile(
      "li t0, %[MSTATUS_VS_BITS]\n\t"
      "csrc mstatus, t0" ::[MSTATUS_VS_BITS] "n"(MSTATUS_VS_FS_ENABLE_BIT));
}

inline void enable_rvv() {
  __asm__ volatile(
      "li t0, %[MSTATUS_VS_BITS]\n\t"
      "csrs mstatus, t0" ::[MSTATUS_VS_BITS] "n"(MSTATUS_VS_FS_ENABLE_BIT));
}

}  // namespace softrvv

#endif  // SOFTRVV_H