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Annotation of cci/sys/tahoe/Aprobew.c, revision 1.1.1.1

1.1       root        1: #include "../machine/alignment.h" 
                      2: 
                      3: #define        PSL_USER        PSL_CURMOD
                      4: probew(infop)  process_info *infop;
                      5: /*
                      6: /*     Probe write accessability.
                      7: /*
                      8: /*************************************/
                      9: {
                     10:        register        long    Register_12;    /* Has to be first reg ! */
                     11:        register        long    Register_11;
                     12:        register        long    Register_10;
                     13:        register        long    Register_9;
                     14: 
                     15:        Register_9 = operand(infop,0)->data & 1;        /* Required mode */
                     16:        if (psl & PSL_USER) Register_9 = 1;             /* user can't probe as
                     17:                                                         *  kernel ! */
                     18:        Register_10 = operand(infop,1)->address;        /* Base address */
                     19:        Register_11 = operand(infop,2)->data;           /* Length */
                     20:        Register_12=psl;
                     21:        Set_psl(r12);   /* restore the user psl */
                     22:        asm ("  probew  r9,(r10),r11");
                     23:        asm ("  movpsl  r12");
                     24:        New_cc (Register_12);
                     25: }

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