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mbed-os/tools/targets/REALTEK_RTL8195AM.py@0:6bf0743ece18, 2020-03-28 (annotated)

Committer:
demayer
Date:
Sat Mar 28 15:28:19 2020 +0000
Revision:
0:6bf0743ece18
IMU Thread with an event-queue running parallel to handle tasks like a 5 times blinking LED. Button with interrupt detected.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
demayer 0:6bf0743ece18 1 """
demayer 0:6bf0743ece18 2 Realtek Semiconductor Corp.
demayer 0:6bf0743ece18 3
demayer 0:6bf0743ece18 4 RTL8195A elf2bin script
demayer 0:6bf0743ece18 5 """
demayer 0:6bf0743ece18 6
demayer 0:6bf0743ece18 7 import sys, array, struct, os, re, subprocess
demayer 0:6bf0743ece18 8 import hashlib
demayer 0:6bf0743ece18 9 import shutil
demayer 0:6bf0743ece18 10
demayer 0:6bf0743ece18 11 from tools.paths import TOOLS_BOOTLOADERS
demayer 0:6bf0743ece18 12 from tools.toolchains import TOOLCHAIN_PATHS
demayer 0:6bf0743ece18 13 from datetime import datetime
demayer 0:6bf0743ece18 14
demayer 0:6bf0743ece18 15 # Constant Variables
demayer 0:6bf0743ece18 16 RAM2_RSVD = 0x00000000
demayer 0:6bf0743ece18 17 RAM2_VER = 0x8195FFFF00000000
demayer 0:6bf0743ece18 18 RAM2_TAG = 0x81950001
demayer 0:6bf0743ece18 19 RAM2_SHA = '0'
demayer 0:6bf0743ece18 20
demayer 0:6bf0743ece18 21 def write_fixed_width_string(value, width, output):
demayer 0:6bf0743ece18 22 # cut string to list & reverse
demayer 0:6bf0743ece18 23 line = [value[i:i+2] for i in range(0, len(value), 2)]
demayer 0:6bf0743ece18 24 output.write("".join([chr(long(b, 16)) for b in line]))
demayer 0:6bf0743ece18 25
demayer 0:6bf0743ece18 26 def write_fixed_width_value(value, width, output):
demayer 0:6bf0743ece18 27 # convert to string
demayer 0:6bf0743ece18 28 line = format(value, '0%dx' % (width))
demayer 0:6bf0743ece18 29 if len(line) > width:
demayer 0:6bf0743ece18 30 print "[ERROR] value 0x%s cannot fit width %d" % (line, width)
demayer 0:6bf0743ece18 31 sys.exit(-1)
demayer 0:6bf0743ece18 32 # cut string to list & reverse
demayer 0:6bf0743ece18 33 line = [line[i:i+2] for i in range(0, len(line), 2)]
demayer 0:6bf0743ece18 34 line.reverse()
demayer 0:6bf0743ece18 35 # convert to write buffer
demayer 0:6bf0743ece18 36 output.write("".join([chr(long(b, 16)) for b in line]))
demayer 0:6bf0743ece18 37
demayer 0:6bf0743ece18 38 def append_image_file(image, output):
demayer 0:6bf0743ece18 39 input = open(image, "rb")
demayer 0:6bf0743ece18 40 output.write(input.read())
demayer 0:6bf0743ece18 41 input.close()
demayer 0:6bf0743ece18 42
demayer 0:6bf0743ece18 43 def write_padding_bytes(output_name, size):
demayer 0:6bf0743ece18 44 current_size = os.stat(output_name).st_size
demayer 0:6bf0743ece18 45 padcount = size - current_size
demayer 0:6bf0743ece18 46 if padcount < 0:
demayer 0:6bf0743ece18 47 print "[ERROR] image is larger than expected size"
demayer 0:6bf0743ece18 48 sys.exit(-1)
demayer 0:6bf0743ece18 49 output = open(output_name, "ab")
demayer 0:6bf0743ece18 50 output.write('\377' * padcount)
demayer 0:6bf0743ece18 51 output.close()
demayer 0:6bf0743ece18 52
demayer 0:6bf0743ece18 53 def sha256_checksum(filename, block_size=65536):
demayer 0:6bf0743ece18 54 sha256 = hashlib.sha256()
demayer 0:6bf0743ece18 55 with open(filename, 'rb') as f:
demayer 0:6bf0743ece18 56 for block in iter(lambda: f.read(block_size), b''):
demayer 0:6bf0743ece18 57 sha256.update(block)
demayer 0:6bf0743ece18 58 return sha256.hexdigest()
demayer 0:6bf0743ece18 59
demayer 0:6bf0743ece18 60 def get_version_by_time():
demayer 0:6bf0743ece18 61 secs = int((datetime.now()-datetime(2016,11,1)).total_seconds())
demayer 0:6bf0743ece18 62 return RAM2_VER + secs
demayer 0:6bf0743ece18 63
demayer 0:6bf0743ece18 64 # ----------------------------
demayer 0:6bf0743ece18 65 # main function
demayer 0:6bf0743ece18 66 # ----------------------------
demayer 0:6bf0743ece18 67 def prepend(image, entry, segment, image_ram2, image_ota):
demayer 0:6bf0743ece18 68
demayer 0:6bf0743ece18 69 # parse input arguments
demayer 0:6bf0743ece18 70 output = open(image_ram2, "wb")
demayer 0:6bf0743ece18 71
demayer 0:6bf0743ece18 72 write_fixed_width_value(os.stat(image).st_size, 8, output)
demayer 0:6bf0743ece18 73 write_fixed_width_value(int(entry), 8, output)
demayer 0:6bf0743ece18 74 write_fixed_width_value(int(segment), 8, output)
demayer 0:6bf0743ece18 75
demayer 0:6bf0743ece18 76 RAM2_SHA = sha256_checksum(image)
demayer 0:6bf0743ece18 77 write_fixed_width_value(RAM2_TAG, 8, output)
demayer 0:6bf0743ece18 78 write_fixed_width_value(get_version_by_time(), 16, output)
demayer 0:6bf0743ece18 79 write_fixed_width_string(RAM2_SHA, 64, output)
demayer 0:6bf0743ece18 80 write_fixed_width_value(RAM2_RSVD, 8, output)
demayer 0:6bf0743ece18 81
demayer 0:6bf0743ece18 82 append_image_file(image, output)
demayer 0:6bf0743ece18 83 output.close()
demayer 0:6bf0743ece18 84
demayer 0:6bf0743ece18 85 ota = open(image_ota, "wb")
demayer 0:6bf0743ece18 86 write_fixed_width_value(os.stat(image).st_size, 8, ota)
demayer 0:6bf0743ece18 87 write_fixed_width_value(int(entry), 8, ota)
demayer 0:6bf0743ece18 88 write_fixed_width_value(int(segment), 8, ota)
demayer 0:6bf0743ece18 89 write_fixed_width_value(0xFFFFFFFF, 8, ota)
demayer 0:6bf0743ece18 90 write_fixed_width_value(get_version_by_time(), 16, ota)
demayer 0:6bf0743ece18 91 write_fixed_width_string(RAM2_SHA, 64, ota)
demayer 0:6bf0743ece18 92 write_fixed_width_value(RAM2_RSVD, 8, ota)
demayer 0:6bf0743ece18 93
demayer 0:6bf0743ece18 94 append_image_file(image, ota)
demayer 0:6bf0743ece18 95 ota.close()
demayer 0:6bf0743ece18 96
demayer 0:6bf0743ece18 97 def find_symbol(toolchain, mapfile, symbol):
demayer 0:6bf0743ece18 98 ret = None
demayer 0:6bf0743ece18 99
demayer 0:6bf0743ece18 100 HEX = '0x0{,8}(?P<addr>[0-9A-Fa-f]{8})'
demayer 0:6bf0743ece18 101 if toolchain == "GCC_ARM":
demayer 0:6bf0743ece18 102 SYM = re.compile(r'^\s+' + HEX + r'\s+' + symbol + '\r?$')
demayer 0:6bf0743ece18 103 elif toolchain in ["ARM_STD", "ARM", "ARM_MICRO"]:
demayer 0:6bf0743ece18 104 SYM = re.compile(r'^\s+' + HEX + r'\s+0x[0-9A-Fa-f]{8}\s+Code.*\s+i\.' + symbol + r'\s+.*$')
demayer 0:6bf0743ece18 105 elif toolchain == "IAR":
demayer 0:6bf0743ece18 106 SYM = re.compile(r'^' + symbol + r'\s+' + HEX + '\s+.*$')
demayer 0:6bf0743ece18 107
demayer 0:6bf0743ece18 108 with open(mapfile, 'r') as infile:
demayer 0:6bf0743ece18 109 for line in infile:
demayer 0:6bf0743ece18 110 match = re.match(SYM, line)
demayer 0:6bf0743ece18 111 if match:
demayer 0:6bf0743ece18 112 ret = match.group("addr")
demayer 0:6bf0743ece18 113
demayer 0:6bf0743ece18 114 if not ret:
demayer 0:6bf0743ece18 115 print "[ERROR] cannot find the address of symbol " + symbol
demayer 0:6bf0743ece18 116 return 0
demayer 0:6bf0743ece18 117
demayer 0:6bf0743ece18 118 return int(ret,16) | 1
demayer 0:6bf0743ece18 119
demayer 0:6bf0743ece18 120 def parse_load_segment_gcc(image_elf):
demayer 0:6bf0743ece18 121 # Program Headers:
demayer 0:6bf0743ece18 122 # Type Offset VirtAddr PhysAddr FileSiz MemSiz Flg Align
demayer 0:6bf0743ece18 123 # LOAD 0x000034 0x10006000 0x10006000 0x026bc 0x026bc RW 0x8
demayer 0:6bf0743ece18 124 # LOAD 0x0026f0 0x30000000 0x30000000 0x06338 0x06338 RWE 0x4
demayer 0:6bf0743ece18 125 segment_list = []
demayer 0:6bf0743ece18 126 cmd = os.path.join(TOOLCHAIN_PATHS['GCC_ARM'], 'arm-none-eabi-readelf')
demayer 0:6bf0743ece18 127 cmd = '"' + cmd + '"' + ' -l ' + image_elf
demayer 0:6bf0743ece18 128 for line in subprocess.check_output(cmd, shell=True, universal_newlines=True).split("\n"):
demayer 0:6bf0743ece18 129 if not line.startswith(" LOAD"):
demayer 0:6bf0743ece18 130 continue
demayer 0:6bf0743ece18 131 segment = line.split()
demayer 0:6bf0743ece18 132 if len(segment) != 8:
demayer 0:6bf0743ece18 133 continue
demayer 0:6bf0743ece18 134 offset = int(segment[1][2:], 16)
demayer 0:6bf0743ece18 135 addr = int(segment[2][2:], 16)
demayer 0:6bf0743ece18 136 size = int(segment[4][2:], 16)
demayer 0:6bf0743ece18 137 if addr != 0 and size != 0:
demayer 0:6bf0743ece18 138 segment_list.append((offset, addr, size))
demayer 0:6bf0743ece18 139 return segment_list
demayer 0:6bf0743ece18 140
demayer 0:6bf0743ece18 141 def parse_load_segment_armcc(image_elf):
demayer 0:6bf0743ece18 142 # ====================================
demayer 0:6bf0743ece18 143 #
demayer 0:6bf0743ece18 144 # ** Program header #2
demayer 0:6bf0743ece18 145 #
demayer 0:6bf0743ece18 146 # Type : PT_LOAD (1)
demayer 0:6bf0743ece18 147 # File Offset : 52 (0x34)
demayer 0:6bf0743ece18 148 # Virtual Addr : 0x30000000
demayer 0:6bf0743ece18 149 # Physical Addr : 0x30000000
demayer 0:6bf0743ece18 150 # Size in file : 27260 bytes (0x6a7c)
demayer 0:6bf0743ece18 151 # Size in memory: 42168 bytes (0xa4b8)
demayer 0:6bf0743ece18 152 # Flags : PF_X + PF_W + PF_R + PF_ARM_ENTRY (0x80000007)
demayer 0:6bf0743ece18 153 # Alignment : 8
demayer 0:6bf0743ece18 154 #
demayer 0:6bf0743ece18 155 (offset, addr, size) = (0, 0, 0)
demayer 0:6bf0743ece18 156 segment_list = []
demayer 0:6bf0743ece18 157 in_segment = False
demayer 0:6bf0743ece18 158 cmd = os.path.join(TOOLCHAIN_PATHS['ARM'], 'bin', 'fromelf')
demayer 0:6bf0743ece18 159 cmd = '"' + cmd + '"' + ' --text -v --only=none ' + image_elf
demayer 0:6bf0743ece18 160 for line in subprocess.check_output(cmd, shell=True, universal_newlines=True).split("\n"):
demayer 0:6bf0743ece18 161 if line == "":
demayer 0:6bf0743ece18 162 pass
demayer 0:6bf0743ece18 163 elif line.startswith("** Program header"):
demayer 0:6bf0743ece18 164 in_segment = True
demayer 0:6bf0743ece18 165 elif in_segment == False:
demayer 0:6bf0743ece18 166 pass
demayer 0:6bf0743ece18 167 elif line.startswith("============"):
demayer 0:6bf0743ece18 168 if addr != 0 and size != 0:
demayer 0:6bf0743ece18 169 segment_list.append((offset, addr, size))
demayer 0:6bf0743ece18 170 in_segment = False
demayer 0:6bf0743ece18 171 (offset, addr, size) = (0, 0, 0)
demayer 0:6bf0743ece18 172 elif line.startswith(" Type"):
demayer 0:6bf0743ece18 173 if not re.match(r'\s+Type\s+:\s+PT_LOAD\s.*$', line):
demayer 0:6bf0743ece18 174 in_segment = False
demayer 0:6bf0743ece18 175 elif line.startswith(" File Offset"):
demayer 0:6bf0743ece18 176 match = re.match(r'^\s+File Offset\s+:\s+(?P<offset>\d+).*$', line)
demayer 0:6bf0743ece18 177 if match:
demayer 0:6bf0743ece18 178 offset = int(match.group("offset"))
demayer 0:6bf0743ece18 179 elif line.startswith(" Virtual Addr"):
demayer 0:6bf0743ece18 180 match = re.match(r'^\s+Virtual Addr\s+:\s+0x(?P<addr>[0-9a-f]+).*$', line)
demayer 0:6bf0743ece18 181 if match:
demayer 0:6bf0743ece18 182 addr = int(match.group("addr"), 16)
demayer 0:6bf0743ece18 183 elif line.startswith(" Size in file"):
demayer 0:6bf0743ece18 184 match = re.match(r'^\s+Size in file\s+:.*\(0x(?P<size>[0-9a-f]+)\).*$', line)
demayer 0:6bf0743ece18 185 if match:
demayer 0:6bf0743ece18 186 size = int(match.group("size"), 16)
demayer 0:6bf0743ece18 187 return segment_list
demayer 0:6bf0743ece18 188
demayer 0:6bf0743ece18 189
demayer 0:6bf0743ece18 190 def parse_load_segment_iar(image_elf):
demayer 0:6bf0743ece18 191 # SEGMENTS:
demayer 0:6bf0743ece18 192 #
demayer 0:6bf0743ece18 193 # Type Offset Virtual Physical File Sz Mem Sz Flags Align
demayer 0:6bf0743ece18 194 # ---- ------ ------- -------- ------- ------ ----- -----
demayer 0:6bf0743ece18 195 # 0: load 0x34 0x10006000 0x10006000 0x26bc 0x26bc 0x6 WR 0x8
demayer 0:6bf0743ece18 196 # 1: load 0x26f0 0x30000000 0x30000000 0x6338 0x6338 0x7 XWR 0x4
demayer 0:6bf0743ece18 197 #
demayer 0:6bf0743ece18 198 # SECTIONS:
demayer 0:6bf0743ece18 199 #
demayer 0:6bf0743ece18 200 # Name Type Addr Offset Size Aln Lnk Inf ESz Flags
demayer 0:6bf0743ece18 201 # ---- ---- ---- ------ ---- --- --- --- --- -----
demayer 0:6bf0743ece18 202 # 1: .shstrtab strtab 0xfc4d8 0x60 0x4
demayer 0:6bf0743ece18 203 # 2: .strtab strtab 0xfc538 0xbb3f 0x4
demayer 0:6bf0743ece18 204
demayer 0:6bf0743ece18 205 segment_list = []
demayer 0:6bf0743ece18 206 in_segment = False
demayer 0:6bf0743ece18 207 cmd = os.path.join(TOOLCHAIN_PATHS['IAR'], 'bin', 'ielfdumparm')
demayer 0:6bf0743ece18 208 cmd = '"' + cmd + '"' + ' ' + image_elf
demayer 0:6bf0743ece18 209 for line in subprocess.check_output(cmd, shell=True, universal_newlines=True).split("\n"):
demayer 0:6bf0743ece18 210 if line.startswith(" SEGMENTS:"):
demayer 0:6bf0743ece18 211 in_segment = True
demayer 0:6bf0743ece18 212 elif in_segment == False:
demayer 0:6bf0743ece18 213 pass
demayer 0:6bf0743ece18 214 elif line.startswith(" SECTIONS:"):
demayer 0:6bf0743ece18 215 break
demayer 0:6bf0743ece18 216 elif re.match(r'^\s+\w+:\s+load\s+.*$', line):
demayer 0:6bf0743ece18 217 segment = line.split()
demayer 0:6bf0743ece18 218 offset = int(segment[2][2:], 16)
demayer 0:6bf0743ece18 219 addr = int(segment[3][2:], 16)
demayer 0:6bf0743ece18 220 size = int(segment[5][2:], 16)
demayer 0:6bf0743ece18 221 if addr < 0x10007000:
demayer 0:6bf0743ece18 222 continue
demayer 0:6bf0743ece18 223 if addr != 0 and size != 0:
demayer 0:6bf0743ece18 224 segment_list.append((offset, addr, size))
demayer 0:6bf0743ece18 225 return segment_list
demayer 0:6bf0743ece18 226
demayer 0:6bf0743ece18 227 def parse_load_segment(toolchain, image_elf):
demayer 0:6bf0743ece18 228 if toolchain == "GCC_ARM":
demayer 0:6bf0743ece18 229 return parse_load_segment_gcc(image_elf)
demayer 0:6bf0743ece18 230 elif toolchain in ["ARM_STD", "ARM", "ARM_MICRO"]:
demayer 0:6bf0743ece18 231 return parse_load_segment_armcc(image_elf)
demayer 0:6bf0743ece18 232 elif toolchain == "IAR":
demayer 0:6bf0743ece18 233 return parse_load_segment_iar(image_elf)
demayer 0:6bf0743ece18 234 else:
demayer 0:6bf0743ece18 235 return []
demayer 0:6bf0743ece18 236
demayer 0:6bf0743ece18 237 def write_load_segment(image_elf, image_bin, segment):
demayer 0:6bf0743ece18 238 file_elf = open(image_elf, "rb")
demayer 0:6bf0743ece18 239 file_bin = open(image_bin, "wb")
demayer 0:6bf0743ece18 240 for (offset, addr, size) in segment:
demayer 0:6bf0743ece18 241 file_elf.seek(offset)
demayer 0:6bf0743ece18 242 # write image header - size & addr
demayer 0:6bf0743ece18 243 write_fixed_width_value(addr, 8, file_bin)
demayer 0:6bf0743ece18 244 write_fixed_width_value(size, 8, file_bin)
demayer 0:6bf0743ece18 245 # write load segment
demayer 0:6bf0743ece18 246 file_bin.write(file_elf.read(size))
demayer 0:6bf0743ece18 247 delta = size % 4
demayer 0:6bf0743ece18 248 if delta != 0:
demayer 0:6bf0743ece18 249 padding = 4 - delta
demayer 0:6bf0743ece18 250 write_fixed_width_value(0x0, padding * 2, file_bin)
demayer 0:6bf0743ece18 251 file_bin.close()
demayer 0:6bf0743ece18 252 file_elf.close()
demayer 0:6bf0743ece18 253
demayer 0:6bf0743ece18 254 # ----------------------------
demayer 0:6bf0743ece18 255 # main function
demayer 0:6bf0743ece18 256 # ----------------------------
demayer 0:6bf0743ece18 257 def rtl8195a_elf2bin(t_self, image_elf, image_bin):
demayer 0:6bf0743ece18 258 # remove target binary file/path
demayer 0:6bf0743ece18 259 if os.path.isfile(image_bin):
demayer 0:6bf0743ece18 260 os.remove(image_bin)
demayer 0:6bf0743ece18 261 else:
demayer 0:6bf0743ece18 262 shutil.rmtree(image_bin)
demayer 0:6bf0743ece18 263
demayer 0:6bf0743ece18 264 segment = parse_load_segment(t_self.name, image_elf)
demayer 0:6bf0743ece18 265 write_load_segment(image_elf, image_bin, segment)
demayer 0:6bf0743ece18 266
demayer 0:6bf0743ece18 267 image_name = os.path.splitext(image_elf)[0]
demayer 0:6bf0743ece18 268 image_map = image_name + '.map'
demayer 0:6bf0743ece18 269
demayer 0:6bf0743ece18 270 ram2_ent = find_symbol(t_self.name, image_map, "PLAT_Start")
demayer 0:6bf0743ece18 271 ram1_bin = os.path.join(TOOLS_BOOTLOADERS, "REALTEK_RTL8195AM", "ram_1.bin")
demayer 0:6bf0743ece18 272 ram2_bin = image_name + '-ram_2.bin'
demayer 0:6bf0743ece18 273 ota_bin = image_name + '-ota.bin'
demayer 0:6bf0743ece18 274 prepend(image_bin, ram2_ent, len(segment), ram2_bin, ota_bin)
demayer 0:6bf0743ece18 275
demayer 0:6bf0743ece18 276 # write output file
demayer 0:6bf0743ece18 277 output = open(image_bin, "wb")
demayer 0:6bf0743ece18 278 append_image_file(ram1_bin, output)
demayer 0:6bf0743ece18 279 append_image_file(ram2_bin, output)
demayer 0:6bf0743ece18 280 output.close()