400034f0 <null_close>:
400034f0: 81 c3 e0 08 retl
<== NOT EXECUTED
400034f4: 90 10 20 00 clr %o0
<== NOT EXECUTED
4000351c <null_control>:
4000351c: 81 c3 e0 08 retl
<== NOT EXECUTED
40003520: 90 10 20 00 clr %o0
<== NOT EXECUTED
4000348c <null_initialize>:
rtems_device_driver null_initialize(
rtems_device_major_number major,
rtems_device_minor_number minor RTEMS_UNUSED,
void *pargp RTEMS_UNUSED
)
{
4000348c: 9d e3 bf a0 save %sp, -96, %sp
rtems_device_driver status;
if ( !initialized ) {
40003490: 03 10 00 4f sethi %hi(0x40013c00), %g1
40003494: c4 48 61 55 ldsb [ %g1 + 0x155 ], %g2 ! 40013d55 <initialized>
40003498: 80 a0 a0 00 cmp %g2, 0
4000349c: 02 80 00 04 be 400034ac <null_initialize+0x20>
<== ALWAYS TAKEN
400034a0: 84 10 20 01 mov 1, %g2
NULL_major = major;
}
return RTEMS_SUCCESSFUL;
}
400034a4: 81 c7 e0 08 ret
<== NOT EXECUTED
400034a8: 91 e8 20 00 restore %g0, 0, %o0
<== NOT EXECUTED
status = rtems_io_register_name(
400034ac: 94 10 20 00 clr %o2
initialized = 1;
400034b0: c4 28 61 55 stb %g2, [ %g1 + 0x155 ]
status = rtems_io_register_name(
400034b4: 92 10 00 18 mov %i0, %o1
400034b8: 11 10 00 44 sethi %hi(0x40011000), %o0
400034bc: 40 00 06 09 call 40004ce0 <rtems_io_register_name>
400034c0: 90 12 20 88 or %o0, 0x88, %o0 ! 40011088 <rtems_libio_number_iops+0x100>
if (status != RTEMS_SUCCESSFUL)
400034c4: 80 a2 20 00 cmp %o0, 0
400034c8: 12 80 00 05 bne 400034dc <null_initialize+0x50>
<== NEVER TAKEN
400034cc: 03 10 00 55 sethi %hi(0x40015400), %g1
NULL_major = major;
400034d0: f0 20 61 64 st %i0, [ %g1 + 0x164 ] ! 40015564 <NULL_major>
}
400034d4: 81 c7 e0 08 ret
400034d8: 91 e8 20 00 restore %g0, 0, %o0
rtems_fatal_error_occurred(status);
400034dc: 40 00 11 67 call 40007a78 <rtems_fatal_error_occurred>
<== NOT EXECUTED
400034e0: 01 00 00 00 nop
<== NOT EXECUTED
400034e4: 01 00 00 00 nop
<== NOT EXECUTED
400034e8 <null_open>:
rtems_device_minor_number minor RTEMS_UNUSED,
void *pargp RTEMS_UNUSED
)
{
return NULL_SUCCESSFUL;
}
400034e8: 81 c3 e0 08 retl
<== NOT EXECUTED
400034ec: 90 10 20 00 clr %o0 ! 0 <PROM_START>
<== NOT EXECUTED
400034f8 <null_read>:
400034f8: 81 c3 e0 08 retl
<== NOT EXECUTED
400034fc: 90 10 20 00 clr %o0
<== NOT EXECUTED
40003500 <null_write>:
void *pargp
)
{
rtems_libio_rw_args_t *rw_args = (rtems_libio_rw_args_t *) pargp;
if ( rw_args )
40003500: 80 a2 a0 00 cmp %o2, 0
<== NOT EXECUTED
40003504: 02 80 00 04 be 40003514 <null_write+0x14>
<== NOT EXECUTED
40003508: 01 00 00 00 nop
<== NOT EXECUTED
rw_args->bytes_moved = rw_args->count;
4000350c: c2 02 a0 14 ld [ %o2 + 0x14 ], %g1
<== NOT EXECUTED
40003510: c2 22 a0 1c st %g1, [ %o2 + 0x1c ]
<== NOT EXECUTED
return NULL_SUCCESSFUL;
}
40003514: 81 c3 e0 08 retl
<== NOT EXECUTED
40003518: 90 10 20 00 clr %o0
<== NOT EXECUTED