[3162858] | 1 | # RTEMS Tools Project (http://www.rtems.org/) |
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| 2 | # Copyright 2010-2014 Chris Johns (chrisj@rtems.org) |
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| 3 | # All rights reserved. |
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[56a70ae] | 4 | # |
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[3162858] | 5 | # This file is part of the RTEMS Tools package in 'rtems-tools'. |
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| 6 | # |
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| 7 | # Redistribution and use in source and binary forms, with or without |
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| 8 | # modification, are permitted provided that the following conditions are met: |
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| 9 | # |
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| 10 | # 1. Redistributions of source code must retain the above copyright notice, |
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| 11 | # this list of conditions and the following disclaimer. |
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| 12 | # |
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| 13 | # 2. Redistributions in binary form must reproduce the above copyright notice, |
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| 14 | # this list of conditions and the following disclaimer in the documentation |
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| 15 | # and/or other materials provided with the distribution. |
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| 16 | # |
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| 17 | # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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| 18 | # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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| 19 | # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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| 20 | # ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
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| 21 | # LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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| 22 | # CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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| 23 | # SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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| 24 | # INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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| 25 | # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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| 26 | # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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| 27 | # POSSIBILITY OF SUCH DAMAGE. |
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| 28 | # |
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| 29 | |
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[56a70ae] | 30 | # |
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[3162858] | 31 | # RTEMS Classic API Support |
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[56a70ae] | 32 | # |
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| 33 | |
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| 34 | import gdb |
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| 35 | import itertools |
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| 36 | import re |
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[b9ee5df] | 37 | #ToDo This shouldn't be here |
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| 38 | import helper |
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[56a70ae] | 39 | |
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[b117be8] | 40 | import heaps |
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| 41 | import mutex |
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[56a70ae] | 42 | import objects |
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[b117be8] | 43 | import supercore |
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[56a70ae] | 44 | import threads |
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[086e689] | 45 | import watchdog |
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[56a70ae] | 46 | |
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| 47 | class attribute: |
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| 48 | """The Classic API attribute.""" |
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| 49 | |
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| 50 | groups = { |
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| 51 | 'none' : [], |
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| 52 | 'all' : ['scope', |
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| 53 | 'priority', |
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| 54 | 'fpu', |
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| 55 | 'semaphore-type', |
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| 56 | 'semaphore-pri', |
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| 57 | 'semaphore-pri-ceiling', |
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| 58 | 'barrier', |
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| 59 | 'task'], |
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| 60 | 'task' : ['scope', |
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| 61 | 'priority', |
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| 62 | 'fpu', |
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| 63 | 'task'], |
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| 64 | 'semaphore' : ['scope', |
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| 65 | 'priority', |
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| 66 | 'semaphore-type', |
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| 67 | 'semaphore-pri', |
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| 68 | 'semaphore-pri-ceiling'], |
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[8e0de06] | 69 | 'barrier' : ['barrier'], |
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[f814c76] | 70 | 'message_queue' : ['priority', |
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[09086b4] | 71 | 'scope'], |
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[b9ee5df] | 72 | 'partition' : ['scope'], |
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| 73 | 'region' : ['priority'] |
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[56a70ae] | 74 | } |
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| 75 | |
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| 76 | masks = { |
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| 77 | 'scope' : 0x00000002, |
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| 78 | 'priority' : 0x00000004, |
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| 79 | 'fpu' : 0x00000001, |
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| 80 | 'semaphore-type' : 0x00000030, |
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| 81 | 'semaphore-pri' : 0x00000040, |
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| 82 | 'semaphore-pri-ceiling' : 0x00000080, |
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| 83 | 'barrier' : 0x00000010, |
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| 84 | 'task' : 0x00008000 |
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| 85 | } |
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| 86 | |
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| 87 | fields = { |
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| 88 | 'scope' : [(0x00000000, 'local'), |
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| 89 | (0x00000002, 'global')], |
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| 90 | 'priority' : [(0x00000000, 'fifo'), |
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| 91 | (0x00000004, 'pri')], |
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| 92 | 'fpu' : [(0x00000000, 'no-fpu'), |
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| 93 | (0x00000001, 'fpu')], |
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| 94 | 'semaphore-type' : [(0x00000000, 'count-sema'), |
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| 95 | (0x00000010, 'bin-sema'), |
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| 96 | (0x00000020, 'simple-bin-sema')], |
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| 97 | 'semaphore-pri' : [(0x00000000, 'no-inherit-pri'), |
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| 98 | (0x00000040, 'inherit-pri')], |
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| 99 | 'semaphore-pri-ceiling' : [(0x00000000, 'no-pri-ceiling'), |
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| 100 | (0x00000080, 'pri-ceiling')], |
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[f814c76] | 101 | 'barrier' : [(0x00000010, 'barrier-auto-release'), |
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[56a70ae] | 102 | (0x00000000, 'barrier-manual-release')], |
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| 103 | 'task' : [(0x00000000, 'app-task'), |
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| 104 | (0x00008000, 'sys-task')] |
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| 105 | } |
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| 106 | |
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| 107 | def __init__(self, attr, attrtype = 'none'): |
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| 108 | if attrtype not in self.groups: |
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| 109 | raise 'invalid attribute type' |
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| 110 | self.attrtype = attrtype |
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| 111 | self.attr = attr |
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| 112 | |
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[0967a1b] | 113 | #ToDo: Move this out |
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[56a70ae] | 114 | def to_string(self): |
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[b117be8] | 115 | s = '(0x%08x) ' % (self.attr) |
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[56a70ae] | 116 | if self.attrtype != 'none': |
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| 117 | for m in self.groups[self.attrtype]: |
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| 118 | v = self.attr & self.masks[m] |
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| 119 | for f in self.fields[m]: |
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| 120 | if f[0] == v: |
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| 121 | s += f[1] + ',' |
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| 122 | break |
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| 123 | return s[:-1] |
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| 124 | |
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| 125 | def test(self, mask, value): |
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| 126 | if self.attrtype != 'none' and \ |
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| 127 | mask in self.groups[self.attrtype]: |
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| 128 | v = self.masks[mask] & self.attr |
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| 129 | for f in self.fields[mask]: |
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| 130 | if v == f[0] and value == f[1]: |
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| 131 | return True |
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| 132 | return False |
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| 133 | |
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| 134 | |
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| 135 | class semaphore: |
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| 136 | "Print a classic semaphore." |
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| 137 | |
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[6d89e3c] | 138 | def __init__(self, obj): |
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[b117be8] | 139 | if obj.type.code == gdb.TYPE_CODE_PTR: |
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| 140 | self.reference = obj |
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| 141 | self.object = obj.dereference() |
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| 142 | else: |
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| 143 | self.object = obj |
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| 144 | self.reference = obj.address |
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[56a70ae] | 145 | self.object_control = objects.control(self.object['Object']) |
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| 146 | self.attr = attribute(self.object['attribute_set'], 'semaphore') |
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[f814c76] | 147 | |
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[56a70ae] | 148 | def show(self, from_tty): |
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[b117be8] | 149 | if self.object_control.id() != 0: |
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| 150 | print ' Name:', self.object_control.name() |
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| 151 | print ' Id: 0x%08x (@ 0x%08x)' % (self.object_control.id(), |
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| 152 | self.reference) |
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| 153 | print ' Attr:', self.attr.to_string() |
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| 154 | if self.attr.test('semaphore-type', 'bin-sema') or \ |
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| 155 | self.attr.test('semaphore-type', 'simple-bin-sema'): |
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| 156 | core_mutex = mutex.control(self.object['Core_control']['mutex']) |
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| 157 | print ' Nesting:', core_mutex.nest_count() |
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| 158 | print ' Holder:', |
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| 159 | holder = core_mutex.holder() |
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| 160 | if holder: |
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| 161 | print '%s (id 0x%08x)' % (holder.brief(), holder.id()) |
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| 162 | else: |
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| 163 | print 'no holder (unlocked)' |
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| 164 | wait_queue = core_mutex.wait_queue() |
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| 165 | tasks = wait_queue.tasks() |
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| 166 | print ' Queue: len = %d, state = %s' % (len(tasks), |
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| 167 | wait_queue.state()) |
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| 168 | if len(tasks) > 0: |
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| 169 | print ' Tasks:' |
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| 170 | print ' Name (c:current, r:real), (id)' |
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| 171 | for t in range(0, len(tasks)): |
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| 172 | print ' ', tasks[t].brief(), ' (%08x)' % (tasks[t].id()) |
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| 173 | return True |
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| 174 | return False |
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[56a70ae] | 175 | |
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| 176 | class task: |
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[8e0de06] | 177 | "Print a classic task" |
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[56a70ae] | 178 | |
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[6d89e3c] | 179 | def __init__(self, obj): |
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[3162858] | 180 | self.reference = obj |
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| 181 | self.object = obj.dereference() |
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| 182 | self.task = threads.control(self.reference) |
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[e60a5ee] | 183 | self.wait_info = self.task.wait_info() |
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[3162858] | 184 | self.regs = self.task.registers() |
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| 185 | #self.regs = sparc.register(self.object['Registers']) |
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[f814c76] | 186 | |
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[56a70ae] | 187 | def show(self, from_tty): |
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[b117be8] | 188 | if self.task.id() != 0: |
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| 189 | cpu = self.task.executing() |
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| 190 | if cpu == -1: |
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| 191 | cpu = 'not executing' |
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| 192 | print ' Id:', '0x%08x (@ 0x%08x)' % (self.task.id(), |
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| 193 | self.task.reference) |
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| 194 | print ' Name:', self.task.name() |
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| 195 | print ' Active CPU:', cpu |
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| 196 | print ' State:', self.task.current_state() |
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| 197 | print ' Current:', self.task.current_priority() |
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| 198 | print ' Real:', self.task.real_priority() |
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| 199 | print ' Preempt:', self.task.preemptible() |
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| 200 | print ' T Budget:', self.task.cpu_time_budget() |
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| 201 | print ' Time:', self.task.cpu_time_used() |
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| 202 | print ' Resources:', self.task.resource_count() |
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| 203 | print ' Regsters:' |
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| 204 | for name in self.regs.names(): |
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| 205 | val = self.regs.get(name) |
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| 206 | print ' %20s: %08x (%d)' % (name, val, val) |
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| 207 | return True |
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| 208 | return False |
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[f814c76] | 209 | |
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| 210 | class message_queue: |
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[09086b4] | 211 | "Print classic messege queue" |
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[f814c76] | 212 | |
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[3162858] | 213 | def __init__(self, obj): |
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| 214 | self.reference = obj |
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| 215 | self.object = obj.dereference() |
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[f814c76] | 216 | self.object_control = objects.control(self.object['Object']) |
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| 217 | self.attr = attribute(self.object['attribute_set'], \ |
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| 218 | 'message_queue') |
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[b061a67] | 219 | self.wait_queue = threads.queue( \ |
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| 220 | self.object['message_queue']['Wait_queue']) |
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| 221 | |
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[8e0de06] | 222 | self.core_control = supercore.message_queue(self.object['message_queue']) |
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[f814c76] | 223 | |
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| 224 | def show(self, from_tty): |
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| 225 | print ' Name:', self.object_control.name() |
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| 226 | print ' Attr:', self.attr.to_string() |
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[3856406] | 227 | |
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[086e689] | 228 | self.core_control.show() |
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| 229 | |
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| 230 | class timer: |
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| 231 | '''Print a classic timer''' |
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| 232 | |
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[6d89e3c] | 233 | def __init__(self, obj): |
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[3162858] | 234 | self.reference = obj |
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| 235 | self.object = obj.dereference() |
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[086e689] | 236 | self.object_control = objects.control(self.object['Object']) |
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| 237 | self.watchdog = watchdog.control(self.object['Ticker']) |
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| 238 | |
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| 239 | def show(self, from_tty): |
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| 240 | print ' Name:', self.object_control.name() |
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[09086b4] | 241 | self.watchdog.show() |
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| 242 | |
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| 243 | class partition: |
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| 244 | ''' Print a rtems partition ''' |
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| 245 | |
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[6d89e3c] | 246 | def __init__(self, obj): |
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[3162858] | 247 | self.reference = obj |
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| 248 | self.object = obj.dereference() |
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[09086b4] | 249 | self.object_control = objects.control(self.object['Object']) |
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| 250 | self.attr = attribute(self.object['attribute_set'], 'partition') |
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| 251 | self.starting_addr = self.object['starting_address'] |
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| 252 | self.length = self.object['length'] |
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| 253 | self.buffer_size = self.object['buffer_size'] |
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| 254 | self.used_blocks = self.object['number_of_used_blocks'] |
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| 255 | |
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| 256 | def show(self, from_tty): |
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| 257 | # ToDo: the printing still somewhat crude. |
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| 258 | print ' Name:', self.object_control.name() |
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| 259 | print ' Attr:', self.attr.to_string() |
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| 260 | print ' Length:', self.length |
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[b9ee5df] | 261 | print ' B Size:', self.buffer_size |
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| 262 | print ' U Blocks:', self.used_blocks |
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[09086b4] | 263 | |
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[b9ee5df] | 264 | class region: |
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| 265 | "prints a classic region" |
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| 266 | |
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[3162858] | 267 | def __init__(self, obj): |
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| 268 | self.reference = obj |
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| 269 | self.object = obj.dereference() |
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[b9ee5df] | 270 | self.object_control = objects.control(self.object['Object']) |
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| 271 | self.attr = attribute(self.object['attribute_set'], 'region') |
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| 272 | self.wait_queue = threads.queue(self.object['Wait_queue']) |
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| 273 | self.heap = heaps.control(self.object['Memory']) |
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| 274 | |
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| 275 | def show(self, from_tty): |
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| 276 | print ' Name:', self.object_control.name() |
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| 277 | print ' Attr:', self.attr.to_string() |
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| 278 | helper.tasks_printer_routine(self.wait_queue) |
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| 279 | print ' Memory:' |
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| 280 | self.heap.show() |
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[8e0de06] | 281 | |
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| 282 | class barrier: |
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| 283 | '''classic barrier abstraction''' |
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| 284 | |
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[3162858] | 285 | def __init__(self, obj): |
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| 286 | self.reference = obj |
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| 287 | self.object = obj.dereference() |
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[8e0de06] | 288 | self.object_control = objects.control(self.object['Object']) |
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| 289 | self.attr = attribute(self.object['attribute_set'],'barrier') |
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| 290 | self.core_b_control = supercore.barrier_control(self.object['Barrier']) |
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| 291 | |
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| 292 | def show(self,from_tty): |
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| 293 | print ' Name:',self.object_control.name() |
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| 294 | print ' Attr:',self.attr.to_string() |
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| 295 | |
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| 296 | if self.attr.test('barrier','barrier-auto-release'): |
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| 297 | max_count = self.core_b_control.max_count() |
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| 298 | print 'Aut Count:', max_count |
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| 299 | |
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| 300 | print ' Waiting:',self.core_b_control.waiting_threads() |
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| 301 | helper.tasks_printer_routine(self.core_b_control.tasks()) |
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