[b06e68ef] | 1 | /* |
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| 2 | * @(#)driver.c 1.4 - 95/08/02 |
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| 3 | * |
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| 4 | * |
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| 5 | * RTEMS monitor IO (device drivers) support |
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| 6 | * |
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| 7 | * There are 2 "driver" things the monitor knows about. |
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| 8 | * |
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| 9 | * 1. Regular RTEMS drivers. |
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| 10 | * This is a table indexed by major device number and |
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| 11 | * containing driver entry points only. |
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| 12 | * |
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| 13 | * 2. Driver name table. |
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| 14 | * A separate table of names for drivers. |
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| 15 | * The table converts driver names to a major number |
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| 16 | * as index into the driver table and a minor number |
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| 17 | * for an argument to driver. |
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| 18 | * |
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| 19 | * Drivers are displayed with 'driver' command. |
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| 20 | * Names are displayed with 'name' command. |
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| 21 | * |
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| 22 | * $Id$ |
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| 23 | */ |
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| 24 | |
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| 25 | #include <rtems.h> |
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| 26 | |
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| 27 | #include "monitor.h" |
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| 28 | |
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| 29 | #include <stdio.h> |
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| 30 | #include <stdlib.h> /* strtoul() */ |
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| 31 | |
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| 32 | #define DATACOL 15 |
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| 33 | #define CONTCOL DATACOL /* continued col */ |
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| 34 | |
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| 35 | |
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| 36 | void |
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| 37 | rtems_monitor_driver_canonical( |
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| 38 | rtems_monitor_driver_t *canonical_driver, |
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| 39 | void *driver_void |
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| 40 | ) |
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| 41 | { |
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| 42 | rtems_driver_address_table *d = (rtems_driver_address_table *) driver_void; |
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| 43 | |
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| 44 | rtems_monitor_symbol_canonical_by_value(&canonical_driver->initialization, |
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| 45 | d->initialization); |
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| 46 | |
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| 47 | rtems_monitor_symbol_canonical_by_value(&canonical_driver->open, |
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| 48 | d->open); |
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| 49 | rtems_monitor_symbol_canonical_by_value(&canonical_driver->close, |
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| 50 | d->close); |
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| 51 | rtems_monitor_symbol_canonical_by_value(&canonical_driver->read, |
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| 52 | d->read); |
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| 53 | rtems_monitor_symbol_canonical_by_value(&canonical_driver->write, |
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| 54 | d->write); |
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| 55 | rtems_monitor_symbol_canonical_by_value(&canonical_driver->control, |
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| 56 | d->control); |
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| 57 | } |
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| 58 | |
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| 59 | |
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| 60 | void * |
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| 61 | rtems_monitor_driver_next( |
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| 62 | void *object_info, |
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| 63 | rtems_monitor_driver_t *canonical_driver, |
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| 64 | rtems_id *next_id |
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| 65 | ) |
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| 66 | { |
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| 67 | rtems_configuration_table *c = _Configuration_Table; |
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| 68 | int n = rtems_get_index(*next_id); |
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| 69 | |
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| 70 | if (n >= c->number_of_device_drivers) |
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| 71 | goto failed; |
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| 72 | |
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| 73 | _Thread_Disable_dispatch(); |
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| 74 | |
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| 75 | /* |
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| 76 | * dummy up a fake id and name for this item |
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| 77 | */ |
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| 78 | |
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| 79 | canonical_driver->id = n; |
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| 80 | canonical_driver->name = rtems_build_name('-', '-', '-', '-'); |
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| 81 | |
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| 82 | *next_id += 1; |
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| 83 | return (void *) (c->Device_driver_table + n); |
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| 84 | |
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| 85 | failed: |
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| 86 | *next_id = RTEMS_OBJECT_ID_FINAL; |
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| 87 | return 0; |
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| 88 | } |
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| 89 | |
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| 90 | |
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| 91 | void |
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| 92 | rtems_monitor_driver_dump_header( |
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| 93 | boolean verbose |
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| 94 | ) |
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| 95 | { |
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| 96 | printf("\ |
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| 97 | Major Entry points\n"); |
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| 98 | /*23456789 123456789 123456789 123456789 123456789 123456789 123456789 123456789 |
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| 99 | 0 1 2 3 4 5 6 7 */ |
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| 100 | rtems_monitor_separator(); |
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| 101 | } |
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| 102 | |
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| 103 | void |
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| 104 | rtems_monitor_driver_dump( |
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| 105 | rtems_monitor_driver_t *monitor_driver, |
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| 106 | boolean verbose |
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| 107 | ) |
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| 108 | { |
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| 109 | unsigned32 length = 0; |
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| 110 | |
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| 111 | length += printf(" %d", monitor_driver->id); |
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| 112 | |
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| 113 | length += rtems_monitor_pad(13, length); |
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| 114 | length += printf("init: "); |
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| 115 | length += rtems_monitor_symbol_dump(&monitor_driver->initialization, verbose); |
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| 116 | length += printf("; control: "); |
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| 117 | length += rtems_monitor_symbol_dump(&monitor_driver->control, verbose); |
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| 118 | length += printf("\n"); |
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| 119 | length = 0; |
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| 120 | |
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| 121 | length += rtems_monitor_pad(13, length); |
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| 122 | |
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| 123 | length += printf("open: "); |
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| 124 | length += rtems_monitor_symbol_dump(&monitor_driver->open, verbose); |
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| 125 | length += printf("; close: "); |
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| 126 | length += rtems_monitor_symbol_dump(&monitor_driver->close, verbose); |
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| 127 | length += printf("\n"); |
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| 128 | length = 0; |
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| 129 | |
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| 130 | length += rtems_monitor_pad(13, length); |
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| 131 | |
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| 132 | length += printf("read: "); |
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| 133 | length += rtems_monitor_symbol_dump(&monitor_driver->read, verbose); |
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| 134 | length += printf("; write: "); |
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| 135 | length += rtems_monitor_symbol_dump(&monitor_driver->write, verbose); |
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| 136 | length += printf("\n"); |
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| 137 | length = 0; |
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| 138 | } |
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