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Annotation of 43BSDReno/sys/tahoealign/Aget_long.c, revision 1.1.1.1

1.1       root        1: /*     Aget_long.c     1.1     86/07/20        */
                      2: 
                      3: #include       "../tahoealign/align.h"
                      4: int get_longword (infop, address)
                      5: process_info   *infop;
                      6: char           *address;
                      7: /*
                      8: /*     Fetch the longword at the given 'address' from memory.
                      9: /*     Caveat: It's quite difficult to find a pte reference
                     10: /*             fault.  So I took the easy way out and just signal
                     11: /*             an illegal access.
                     12: /*     
                     13: /**************************************************/
                     14: {
                     15:        register long code, value;
                     16: 
                     17:        code = readable(infop, address, 4);
                     18:        if (code == TRUE) {
                     19:                value = *address++;
                     20:                value = (value << 8) | *address++ & 0xff;
                     21:                value = (value << 8) | *address++ & 0xff;
                     22:                value = (value << 8) | *address & 0xff;
                     23:                return(value);
                     24:        } else exception (infop, ILL_ACCESS, address, code);
                     25: }

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