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ArmPlatformPkg/Ds5: Added Aarch64 support
[mirror_edk2.git] / ArmPlatformPkg / Scripts / Ds5 / system_table.py
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1e57a462 1#\r
72efe027 2# Copyright (c) 2011-2013, ARM Limited. All rights reserved.\r
1e57a462 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
e3d495e1 30 # Get the information from EFI_DEBUG_IMAGE_INFO_TABLE_HEADER\r
1e57a462 31 count = self.ec.getMemoryService().readMemory32(self.base + 0x4)\r
32 debug_info_table_base = self.ec.getMemoryService().readMemory32(self.base + 0x8)\r
33 \r
34 self.DebugInfos = []\r
35 \r
36 for i in range(0, count):\r
37 # Get the address of the structure EFI_DEBUG_IMAGE_INFO\r
e3d495e1
HL
38 if edk2_debugger.is_aarch64(self.ec):\r
39 debug_info = self.ec.getMemoryService().readMemory32(debug_info_table_base + (i * 8))\r
40 else:\r
41 debug_info = self.ec.getMemoryService().readMemory32(debug_info_table_base + (i * 4))\r
42\r
1e57a462 43 if debug_info:\r
44 debug_info_type = self.ec.getMemoryService().readMemory32(debug_info)\r
45 # Normal Debug Info Type\r
46 if debug_info_type == 1:\r
e3d495e1
HL
47 if edk2_debugger.is_aarch64(self.ec):\r
48 # Get the base address of the structure EFI_LOADED_IMAGE_PROTOCOL\r
49 loaded_image_protocol = self.ec.getMemoryService().readMemory32(debug_info + 0x8)\r
50\r
51 image_base = self.ec.getMemoryService().readMemory32(loaded_image_protocol + 0x40)\r
52 image_size = self.ec.getMemoryService().readMemory32(loaded_image_protocol + 0x48)\r
53 else:\r
54 # Get the base address of the structure EFI_LOADED_IMAGE_PROTOCOL\r
55 loaded_image_protocol = self.ec.getMemoryService().readMemory32(debug_info + 0x4)\r
56\r
57 image_base = self.ec.getMemoryService().readMemory32(loaded_image_protocol + 0x20)\r
58 image_size = self.ec.getMemoryService().readMemory32(loaded_image_protocol + 0x28)\r
1e57a462 59 \r
60 self.DebugInfos.append((image_base,image_size))\r
61 \r
62 # Return (base, size)\r
72efe027 63 def load_symbols_at(self, addr, verbose = False):\r
1e57a462 64 if self.DebugInfos == []:\r
65 self.get_debug_info()\r
66 \r
67 found = False\r
68 for debug_info in self.DebugInfos:\r
69 if (addr >= debug_info[0]) and (addr < debug_info[0] + debug_info[1]):\r
e3d495e1
HL
70 if edk2_debugger.is_aarch64(self.ec):\r
71 section = firmware_volume.EfiSectionPE64(self.ec, debug_info[0])\r
72 else:\r
73 section = firmware_volume.EfiSectionPE32(self.ec, debug_info[0])\r
1e57a462 74 \r
72efe027 75 try:\r
76 edk2_debugger.load_symbol_from_file(self.ec, section.get_debug_filepath(), section.get_debug_elfbase(), verbose)\r
77 except Exception, (ErrorClass, ErrorMessage):\r
78 if verbose:\r
79 print "Error while loading a symbol file (%s: %s)" % (ErrorClass, ErrorMessage)\r
1e57a462 80\r
81 found = True\r
82 return debug_info\r
83\r
84 if found == False:\r
85 raise Exception('DebugInfoTable','No symbol found at 0x%x' % addr)\r
86\r
72efe027 87 def load_all_symbols(self, verbose = False):\r
1e57a462 88 if self.DebugInfos == []:\r
89 self.get_debug_info()\r
90 \r
91 for debug_info in self.DebugInfos:\r
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HL
92 if edk2_debugger.is_aarch64(self.ec):\r
93 section = firmware_volume.EfiSectionPE64(self.ec, debug_info[0])\r
94 else:\r
95 section = firmware_volume.EfiSectionPE32(self.ec, debug_info[0])
96 \r
72efe027 97 try:\r
98 edk2_debugger.load_symbol_from_file(self.ec, section.get_debug_filepath(), section.get_debug_elfbase(), verbose)\r
99 except Exception, (ErrorClass, ErrorMessage):\r
100 if verbose:\r
101 print "Error while loading a symbol file (%s: %s)" % (ErrorClass, ErrorMessage)\r
1e57a462 102\r
103 def dump(self):\r
104 self.get_debug_info()\r
105 for debug_info in self.DebugInfos:\r
106 base_pe32 = debug_info[0]\r
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HL
107 if edk2_debugger.is_aarch64(self.ec):\r
108 section = firmware_volume.EfiSectionPE64(self.ec, base_pe32)\r
109 else:\r
110 section = firmware_volume.EfiSectionPE32(self.ec, base_pe32)\r
1e57a462 111 print section.get_debug_filepath()\r
112 \r
113class SystemTable:\r
114 CONST_ST_SIGNATURE = ('I','B','I',' ','S','Y','S','T')\r
115 \r
116 def __init__(self, ec, membase, memsize):\r
117 self.membase = membase\r
118 self.memsize = memsize\r
119 self.ec = ec\r
120 \r
121 found = False\r
122 \r
123 # Start from the top of the memory\r
124 offset = self.membase + self.memsize\r
125 # Align to highest 4MB boundary\r
126 offset = offset & ~0x3FFFFF\r
127 # We should not have a System Table at the top of the System Memory\r
128 offset = offset - 0x400000\r
129 \r
130 # Start at top and look on 4MB boundaries for system table ptr structure\r
131 while offset > self.membase:\r
132 try:\r
133 signature = struct.unpack("cccccccc", self.ec.getMemoryService().read(str(offset), 8, 32))\r
134 except DebugException:\r
135 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
136 if signature == SystemTable.CONST_ST_SIGNATURE:\r
137 found = True\r
138 self.system_table_base = self.ec.getMemoryService().readMemory32(offset + 0x8)\r
139 break\r
140 offset = offset - 0x400000\r
141 \r
142 if not found:\r
143 raise Exception('SystemTable','System Table not found in System Memory [0x%x;0x%X]' % (membase,membase+memsize))\r
144 \r
145 def get_configuration_table(self, conf_table_guid):\r
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HL
146 if edk2_debugger.is_aarch64(self.ec):\r
147 # Number of configuration Table entry\r
148 conf_table_entry_count = self.ec.getMemoryService().readMemory32(self.system_table_base + 0x68)
149\r
150 # Get location of the Configuration Table entries\r
151 conf_table_offset = self.ec.getMemoryService().readMemory32(self.system_table_base + 0x70)\r
152 else:\r
153 # Number of configuration Table entry\r
154 conf_table_entry_count = self.ec.getMemoryService().readMemory32(self.system_table_base + 0x40)
155\r
156 # Get location of the Configuration Table entries\r
157 conf_table_offset = self.ec.getMemoryService().readMemory32(self.system_table_base + 0x44)\r
1e57a462 158 \r
159 for i in range(0, conf_table_entry_count):\r
e3d495e1
HL
160 if edk2_debugger.is_aarch64(self.ec):\r
161 offset = conf_table_offset + (i * 0x18)\r
162 else:\r
163 offset = conf_table_offset + (i * 0x14)\r
1e57a462 164 guid = struct.unpack("<IIII", self.ec.getMemoryService().read(str(offset), 16, 32))\r
165 if guid == conf_table_guid:\r
166 return self.ec.getMemoryService().readMemory32(offset + 0x10)\r
167 \r
168 raise Exception('SystemTable','Configuration Table not found')\r