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Annotation of qemu/roms/ipxe/src/drivers/bus/isa_ids.c, revision 1.1.1.1

1.1       root        1: #include <stdint.h>
                      2: #include <stdio.h>
                      3: #include <byteswap.h>
                      4: #include <ipxe/isa_ids.h>
                      5: 
                      6: /* 
                      7:  * EISA and ISAPnP IDs are actually mildly human readable, though in a
                      8:  * somewhat brain-damaged way.
                      9:  *
                     10:  */
                     11: char * isa_id_string ( unsigned int vendor, unsigned int product ) {
                     12:        static char buf[7];
                     13:        int i;
                     14: 
                     15:        /* Vendor ID is a compressed ASCII string */
                     16:        vendor = bswap_16 ( vendor );
                     17:        for ( i = 2 ; i >= 0 ; i-- ) {
                     18:                buf[i] = ( 'A' - 1 + ( vendor & 0x1f ) );
                     19:                vendor >>= 5;
                     20:        }
                     21:        
                     22:        /* Product ID is a 4-digit hex string */
                     23:        sprintf ( &buf[3], "%04x", bswap_16 ( product ) );
                     24: 
                     25:        return buf;
                     26: }

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