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ARM Packages: Removed trailing spaces
[mirror_edk2.git] / ArmPlatformPkg / Scripts / Ds5 / system_table.py
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1#\r
2# Copyright (c) 2011-2013, ARM Limited. All rights reserved.\r
3#\r
4# This program and the accompanying materials\r
5# are licensed and made available under the terms and conditions of the BSD License\r
6# which accompanies this distribution. The full text of the license may be found at\r
7# http://opensource.org/licenses/bsd-license.php\r
8#\r
9# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
10# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
11#\r
12\r
13from arm_ds.debugger_v1 import DebugException\r
14\r
15import struct\r
16\r
17import edk2_debugger\r
18import firmware_volume\r
19\r
20class DebugInfoTable:\r
21 CONST_DEBUG_INFO_TABLE_GUID = ( 0x49152E77L, 0x47641ADAL, 0xFE7AA2B7L, 0x8B5ED9FEL)\r
22\r
23 DebugInfos = []\r
24\r
25 def __init__(self, ec, debug_info_table_header_offset):\r
26 self.ec = ec\r
27 self.base = debug_info_table_header_offset\r
28\r
29 def get_debug_info(self):\r
30 # Get the information from EFI_DEBUG_IMAGE_INFO_TABLE_HEADER\r
31 count = self.ec.getMemoryService().readMemory32(self.base + 0x4)\r
32 if edk2_debugger.is_aarch64(self.ec):\r
33 debug_info_table_base = self.ec.getMemoryService().readMemory64(self.base + 0x8)\r
34 else:\r
35 debug_info_table_base = self.ec.getMemoryService().readMemory32(self.base + 0x8)\r
36\r
37 self.DebugInfos = []\r
38\r
39 for i in range(0, count):\r
40 # Get the address of the structure EFI_DEBUG_IMAGE_INFO\r
41 if edk2_debugger.is_aarch64(self.ec):\r
42 debug_info = self.ec.getMemoryService().readMemory64(debug_info_table_base + (i * 8))\r
43 else:\r
44 debug_info = self.ec.getMemoryService().readMemory32(debug_info_table_base + (i * 4))\r
45\r
46 if debug_info:\r
47 debug_info_type = self.ec.getMemoryService().readMemory32(debug_info)\r
48 # Normal Debug Info Type\r
49 if debug_info_type == 1:\r
50 if edk2_debugger.is_aarch64(self.ec):\r
51 # Get the base address of the structure EFI_LOADED_IMAGE_PROTOCOL\r
52 loaded_image_protocol = self.ec.getMemoryService().readMemory64(debug_info + 0x8)\r
53\r
54 image_base = self.ec.getMemoryService().readMemory64(loaded_image_protocol + 0x40)\r
55 image_size = self.ec.getMemoryService().readMemory32(loaded_image_protocol + 0x48)\r
56 else:\r
57 # Get the base address of the structure EFI_LOADED_IMAGE_PROTOCOL\r
58 loaded_image_protocol = self.ec.getMemoryService().readMemory32(debug_info + 0x4)\r
59\r
60 image_base = self.ec.getMemoryService().readMemory32(loaded_image_protocol + 0x20)\r
61 image_size = self.ec.getMemoryService().readMemory32(loaded_image_protocol + 0x28)\r
62\r
63 self.DebugInfos.append((image_base,image_size))\r
64\r
65 # Return (base, size)\r
66 def load_symbols_at(self, addr, verbose = False):\r
67 if self.DebugInfos == []:\r
68 self.get_debug_info()\r
69\r
70 found = False\r
71 for debug_info in self.DebugInfos:\r
72 if (addr >= debug_info[0]) and (addr < debug_info[0] + debug_info[1]):\r
73 if edk2_debugger.is_aarch64(self.ec):\r
74 section = firmware_volume.EfiSectionPE64(self.ec, debug_info[0])\r
75 else:\r
76 section = firmware_volume.EfiSectionPE32(self.ec, debug_info[0])\r
77\r
78 try:\r
79 edk2_debugger.load_symbol_from_file(self.ec, section.get_debug_filepath(), section.get_debug_elfbase(), verbose)\r
80 except Exception, (ErrorClass, ErrorMessage):\r
81 if verbose:\r
82 print "Error while loading a symbol file (%s: %s)" % (ErrorClass, ErrorMessage)\r
83\r
84 found = True\r
85 return debug_info\r
86\r
87 if found == False:\r
88 raise Exception('DebugInfoTable','No symbol found at 0x%x' % addr)\r
89\r
90 def load_all_symbols(self, verbose = False):\r
91 if self.DebugInfos == []:\r
92 self.get_debug_info()\r
93\r
94 for debug_info in self.DebugInfos:\r
95 if edk2_debugger.is_aarch64(self.ec):\r
96 section = firmware_volume.EfiSectionPE64(self.ec, debug_info[0])\r
97 else:\r
98 section = firmware_volume.EfiSectionPE32(self.ec, debug_info[0])\r
99\r
100 try:\r
101 edk2_debugger.load_symbol_from_file(self.ec, section.get_debug_filepath(), section.get_debug_elfbase(), verbose)\r
102 except Exception, (ErrorClass, ErrorMessage):\r
103 if verbose:\r
104 print "Error while loading a symbol file (%s: %s)" % (ErrorClass, ErrorMessage)\r
105\r
106 def dump(self):\r
107 self.get_debug_info()\r
108 for debug_info in self.DebugInfos:\r
109 base_pe32 = debug_info[0]\r
110 if edk2_debugger.is_aarch64(self.ec):\r
111 section = firmware_volume.EfiSectionPE64(self.ec, base_pe32)\r
112 else:\r
113 section = firmware_volume.EfiSectionPE32(self.ec, base_pe32)\r
114 print section.get_debug_filepath()\r
115\r
116class SystemTable:\r
117 CONST_ST_SIGNATURE = ('I','B','I',' ','S','Y','S','T')\r
118\r
119 def __init__(self, ec, membase, memsize):\r
120 self.membase = membase\r
121 self.memsize = memsize\r
122 self.ec = ec\r
123\r
124 found = False\r
125\r
126 # Start from the top of the memory\r
127 offset = self.membase + self.memsize\r
128 # Align to highest 4MB boundary\r
129 offset = offset & ~0x3FFFFF\r
130 # We should not have a System Table at the top of the System Memory\r
131 offset = offset - 0x400000\r
132\r
133 # Start at top and look on 4MB boundaries for system table ptr structure\r
134 while offset > self.membase:\r
135 try:\r
136 signature = struct.unpack("cccccccc", self.ec.getMemoryService().read(str(offset), 8, 32))\r
137 except DebugException:\r
138 raise Exception('SystemTable','Fail to access System Memory. Ensure all the memory in the region [0x%x;0x%X] is accessible.' % (membase,membase+memsize))\r
139 if signature == SystemTable.CONST_ST_SIGNATURE:\r
140 found = True\r
141 if edk2_debugger.is_aarch64(self.ec):\r
142 self.system_table_base = self.ec.getMemoryService().readMemory64(offset + 0x8)\r
143 else:\r
144 self.system_table_base = self.ec.getMemoryService().readMemory32(offset + 0x8)\r
145 break\r
146 offset = offset - 0x400000\r
147\r
148 if not found:\r
149 raise Exception('SystemTable','System Table not found in System Memory [0x%x;0x%X]' % (membase,membase+memsize))\r
150\r
151 def get_configuration_table(self, conf_table_guid):\r
152 if edk2_debugger.is_aarch64(self.ec):\r
153 # Number of configuration Table entry\r
154 conf_table_entry_count = self.ec.getMemoryService().readMemory32(self.system_table_base + 0x68)\r
155\r
156 # Get location of the Configuration Table entries\r
157 conf_table_offset = self.ec.getMemoryService().readMemory64(self.system_table_base + 0x70)\r
158 else:\r
159 # Number of configuration Table entry\r
160 conf_table_entry_count = self.ec.getMemoryService().readMemory32(self.system_table_base + 0x40)\r
161\r
162 # Get location of the Configuration Table entries\r
163 conf_table_offset = self.ec.getMemoryService().readMemory32(self.system_table_base + 0x44)\r
164\r
165 for i in range(0, conf_table_entry_count):\r
166 if edk2_debugger.is_aarch64(self.ec):\r
167 offset = conf_table_offset + (i * 0x18)\r
168 else:\r
169 offset = conf_table_offset + (i * 0x14)\r
170 guid = struct.unpack("<IIII", self.ec.getMemoryService().read(str(offset), 16, 32))\r
171 if guid == conf_table_guid:\r
172 if edk2_debugger.is_aarch64(self.ec):\r
173 return self.ec.getMemoryService().readMemory64(offset + 0x10)\r
174 else:\r
175 return self.ec.getMemoryService().readMemory32(offset + 0x10)\r
176\r
177 raise Exception('SystemTable','Configuration Table not found')\r
EFI Development Kit II mirror for PVE