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Annotation of 40BSD/libc/sys/reset.s, revision 1.1

1.1     ! root        1: # C library -- reset, setexit
        !             2: 
        !             3: #      reset(x)
        !             4: # will generate a "return" from
        !             5: # the last call to
        !             6: #      setexit()
        !             7: # by restoring r6 - r12, ap, fp
        !             8: # and doing a return.
        !             9: # The returned value is x; on the original
        !            10: # call the returned value is 0.
        !            11: #
        !            12: # useful for going back to the main loop
        !            13: # after a horrible error in a lowlevel
        !            14: # routine.
        !            15: 
        !            16: .globl _setexit
        !            17: .globl _reset
        !            18: 
        !            19:        .align  1
        !            20: _setexit:
        !            21:        .word   0x0000
        !            22:        movab   setsav,r0
        !            23:        movq    r6,(r0)+
        !            24:        movq    r8,(r0)+
        !            25:        movq    r10,(r0)+
        !            26:        movq    8(fp),(r0)+             # ap, fp
        !            27:        movab   4(ap),(r0)+             # sp
        !            28:        movl    16(fp),(r0)             # pc
        !            29:        clrl    r0
        !            30:        ret
        !            31: 
        !            32:        .align  1
        !            33: _reset:
        !            34:        .word   0x0000
        !            35:        movl    4(ap),r0        # returned value
        !            36:        movab   setsav,r1
        !            37:        movq    (r1)+,r6
        !            38:        movq    (r1)+,r8
        !            39:        movq    (r1)+,r10
        !            40:        movq    (r1)+,r12
        !            41:        movl    (r1)+,sp
        !            42:        jmp     *(r1)
        !            43: 
        !            44:        .data
        !            45: setsav:        .space  10*4

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