MNRS-BM-BSP/env/iss/bsp_write.c

26 lines
488 B
C

/* See LICENSE of license details. */
#include <errno.h>
#include <stdint.h>
#include <sys/types.h>
#include <unistd.h>
#include <string.h>
extern volatile uint64_t tohost;
ssize_t _bsp_write(int fd, const void *ptr, size_t len) {
if (isatty(fd)) {
volatile uint64_t payload[8];
memset((void *)payload, 0, 8 * sizeof(uint64_t));
payload[0] = 64;
payload[2] = (uintptr_t)ptr;
payload[3] = len;
tohost = (uintptr_t)payload;
return len;
}
return 1;
}