int son_phy_open(son_phy_t * phy, const char * name, int32_t flags, int32_t mode){
phy->message = 0;
phy->message_offset = 0;
phy->message_size = 0;
if( phy->driver == 0 ){
//create using fopen()
char open_code[8];
if( (flags & SON_O_ACCESS) == SON_O_RDONLY ){
sprintf(open_code, "rb");
} else if( ((flags & SON_O_ACCESS) == SON_O_RDWR) && (flags & SON_O_CREAT) ){
sprintf(open_code, "wb+");
} else {
sprintf(open_code, "rb+");
}
phy->f = fopen(name, open_code);
if( phy->f != 0 ){
return 0;
}
return -1;
} else {
#if defined __link
phy->fd = link_open(phy->driver, name, flags, mode);
if( phy->fd < 0 ){
return -1;
}
return 0;
#else
return -1;
#endif
}
}
int main(int argc, char **argv)
{
int e;
if( argc < 3 ) error("usage: sarun link bootfile");
link = atoi(argv[1]);
/* open the link for raw I/O */
if( !link_open(link) ) error("failed to open link %d",link);
/* boot the program through it */
if( (e=link_boot(link,argv[2]))!=0 ) error("link_boot error %d",e);
/* now spool stdin into the link and */
/* anything from the link to stdout */
InitSemaphore(&sync,0);
Fork(2000,input,4,link);
Fork(2000,output,4,link);
Wait(&sync);
Wait(&sync);
if( !link_close(link) ) error("failed to close link %d",link);
}
int Periph::_open(const char * name, int flags){
char buffer[12];
int len;
strcpy(buffer, "/dev/");
strcat(buffer, name);
len = strlen(buffer);
if( port_ != NO_PORT_NUMBER ){
buffer[len] = '0' + port_;
buffer[len+1] = '\0';
} else {
port_ = 0;
}
if ( fd[port_] != -1 ){
//the port is already open
printf("port is already open\n");
return 0;
}
fd[port_] = link_open(handle, buffer, LINK_O_RDWR | flags);
if( fd[port_] < 0 ){
printf("Port failed to open %d\n", link_errno);
return -1;
}
return 0;
}
int reset_device(link_phy_t handle, bool invoke_bootloader){
//use "/dev/core" to reset
int fd;
link_op_t op;
fd = link_open(handle, "/dev/core", LINK_O_RDWR);
if ( fd < 0 ){
return -1;
}
op.ioctl.cmd = LINK_CMD_IOCTL;
op.ioctl.fildes = fd;
op.ioctl.arg = (size_t)NULL;
if( invoke_bootloader == false ){
link_debug(3, "Try to reset\n");
op.ioctl.request = I_CORE_RESET;
} else {
link_debug(3, "Try to invoke bootloader\n");
op.ioctl.request = I_CORE_INVOKEBOOTLOADER;
}
link_protocol_masterwrite(handle, &op, sizeof(link_ioctl_t));
link_phy_close(handle);
return 0;
}
/*
* get_hardware_address -- Get the Ethernet MAC address associated
* with the given device.
* Inputs:
*
* if_name The name of the network interface
* hw_address (output) the Ethernet MAC address
*
* Returns:
*
* None
*/
void
get_hardware_address(const char *if_name, unsigned char hw_address[]) {
union DL_primitives *dlp;
unsigned char buf[MAXDLBUF];
link_t *handle;
handle = link_open(if_name);
dlp = (union DL_primitives*) buf;
dlp->physaddr_req.dl_primitive = DL_PHYS_ADDR_REQ;
dlp->physaddr_req.dl_addr_type = DL_CURR_PHYS_ADDR;
if (dlpi_msg(handle->fd, dlp, DL_PHYS_ADDR_REQ_SIZE, 0, DL_PHYS_ADDR_ACK,
DL_PHYS_ADDR_ACK_SIZE, sizeof(buf)) < 0) {
err_msg("dlpi_msg failed");
}
link_close(handle);
memcpy(hw_address, buf + dlp->physaddr_ack.dl_addr_offset, ETH_ALEN);
}