| #include <stdint.h> |
| #include <stdio.h> |
| #include <byteswap.h> |
| #include <ipxe/isa_ids.h> |
| |
| /* |
| * EISA and ISAPnP IDs are actually mildly human readable, though in a |
| * somewhat brain-damaged way. |
| * |
| */ |
| char * isa_id_string ( unsigned int vendor, unsigned int product ) { |
| static char buf[7]; |
| int i; |
| |
| /* Vendor ID is a compressed ASCII string */ |
| vendor = bswap_16 ( vendor ); |
| for ( i = 2 ; i >= 0 ; i-- ) { |
| buf[i] = ( 'A' - 1 + ( vendor & 0x1f ) ); |
| vendor >>= 5; |
| } |
| |
| /* Product ID is a 4-digit hex string */ |
| sprintf ( &buf[3], "%04x", bswap_16 ( product ) ); |
| |
| return buf; |
| } |
