long sys_proc_info(uint32_t callnum, int32_t pid, uint32_t flavor,
uint64_t arg, void* buffer, int32_t bufsize)
{
switch (callnum)
{
case 4: // proc_kmsgbuf
{
int ret;
ret = __linux_syslog(SYSLOG_ACTION_READ_ALL, (char*) buffer,
bufsize);
if (ret < 0)
return errno_linux_to_bsd(ret);
return ret;
}
case 1: // proc_listpids
case 2: // proc_pidinfo
case 3: // proc_pidfdinfo
default:
__simple_printf("sys_proc_info(): Unsupported callnum: %d\n",
callnum);
return -ENOTSUP;
}
}
void SPIError (const uint8_t err, ...) {
va_list list;
char str[18] = "SPI Error %u: %s\n";
switch (err) {
case SPI_INVALID_PIN:
__simple_printf(str, (err - SPI_ERRORS_BASE), "Invalid pin");
break;
case SPI_INVALID_MODE:
__simple_printf(str, (err - SPI_ERRORS_BASE), "Invalid mode");
break;
case SPI_INVALID_PIN_MASK:
__simple_printf(str, (err - SPI_ERRORS_BASE), "Invalid pin mask");
break;
case SPI_TOO_MANY_BITS:
__simple_printf(str, (err - SPI_ERRORS_BASE),
"Incapable of handling so many bits in an argument");
break;
case SPI_TIMEOUT:
va_start(list, err);
__simple_printf("SPI Error %u: %s\n\tCalling function was %s\n",
(err - SPI_ERRORS_BASE),
"Timed out during parameter passing", va_arg(list, char *));
va_end(list);
break;
case SPI_TIMEOUT_RD:
__simple_printf(str, (err - SPI_ERRORS_BASE),
"Timed out during parameter read");
break;
case SPI_COG_NOT_STARTED:
__simple_printf(str, (err - SPI_ERRORS_BASE),
"SPI's GAS cog was not started");
break;
case SPI_MODULE_NOT_RUNNING:
__simple_printf(str, (err - SPI_ERRORS_BASE),
"SPI GAS cog not running");
break;
case SPI_INVALID_FREQ:
__simple_printf(str, (err - SPI_ERRORS_BASE),
"Frequency set too high");
break;
case SPI_ADDR_MISALIGN:
__simple_printf(str, (err - SPI_ERRORS_BASE),
"Passed in address is miss aligned");
break;
default:
// Is the error an SPI error?
if (err > SPI_ERRORS_BASE
&& err < (SPI_ERRORS_BASE + SPI_ERRORS_LIMIT))
__simple_printf("Unknown SPI error %u\n",
(err - SPI_ERRORS_BASE));
else
__simple_printf("Unknown error %u\n", (err));
break;
}
while (1)
;
}
