mirror of https://github.com/ARMmbed/mbed-os.git
242 lines
9.8 KiB
Python
242 lines
9.8 KiB
Python
"""
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@copyright (c) 2012 ON Semiconductor. All rights reserved.
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ON Semiconductor is supplying this software for use with ON Semiconductor
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processor based microcontrollers only.
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THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED
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OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
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ON SEMICONDUCTOR SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL,
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INCIDENTAL, OR CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
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"""
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from __future__ import absolute_import
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from __future__ import print_function
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import itertools
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import binascii
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import intelhex
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from tools.config import Config
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FIB_BASE = 0x2000
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TRIM_BASE = 0x2800
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FLASH_BASE = 0x3000
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FLASHA_SIZE = 0x52000
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FLASHB_BASE = 0x00102000
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FLASHB_SIZE = 0x52000
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FW_REV = 0x01000100
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def ranges(i):
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for _, b in itertools.groupby(enumerate(i), lambda x_y: x_y[1] - x_y[0]):
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b = list(b)
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yield b[0][1], b[-1][1]
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def add_fib_at_start(arginput):
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input_file = arginput + ".hex"
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file_name_hex = arginput + ".hex"
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file_name_bin = arginput + ".bin"
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# Read in hex file
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input_hex_file = intelhex.IntelHex()
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input_hex_file.loadhex(input_file)
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#set padding value to be returned when reading from unspecified address
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input_hex_file.padding = 0xFF
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# Create new hex file
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output_hex_file = intelhex.IntelHex()
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# Get the starting and ending address
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addresses = input_hex_file.addresses()
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addresses.sort()
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start_end_pairs = list(ranges(addresses))
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regions = len(start_end_pairs)
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if regions == 1:
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#single range indicating fits within first flash block (<320K)
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start, end = start_end_pairs[0]
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print("Memory start 0x%08X, end 0x%08X" % (start, end))
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# Compute checksum over the range (don't include data at location of crc)
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size = end - start + 1
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data = input_hex_file.tobinarray(start=start, size=size)
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crc32 = binascii.crc32(data) & 0xFFFFFFFF
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else:
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#multiple ranges indicating requires both flash blocks (>320K)
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start, end = start_end_pairs[0]
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start2, end2 = start_end_pairs[1]
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print("Region 1: memory start 0x%08X, end 0x%08X" % (start, end))
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print("Region 2: memory start 0x%08X, end 0x%08X" % (start2, end2))
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# Compute checksum over the range (don't include data at location of crc)
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# replace end with end of flash block A
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end = FLASHA_SIZE - 1
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size = end - start + 1
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data = input_hex_file.tobinarray(start=start, size=size)
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# replace start2 with base of flash block B
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start2 = FLASHB_BASE
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size2 = end2 - start2 + 1
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data2 = input_hex_file.tobinarray(start=start2, size=size2)
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#concatenate data and data2 arrays together
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data.extend(data2)
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crc32 = binascii.crc32(data) & 0xFFFFFFFF
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#replace size with sum of two memory region sizes
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size = size + size2
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assert start >= FLASH_BASE, ("Error - start 0x%x less than begining of user\
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flash area" %start)
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assert regions <= 2, ("Error - more than 2 memory regions found")
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fw_rev = FW_REV
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checksum = (start + size + crc32 + fw_rev) & 0xFFFFFFFF
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print("Writing FIB: base 0x%08X, size 0x%08X, crc32 0x%08X, fw rev 0x%08X,\
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checksum 0x%08X" % (start, size, crc32, fw_rev, checksum))
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#expected initial values used by daplink to validate that it is a valid bin
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#file added as dummy values in this file because the fib area preceeds the
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#application area the bootloader will ignore these dummy values
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# 00 is stack pointer (RAM address)
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# 04 is Reset vector (FLASH address)
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# 08 NMI_Handler (FLASH address)
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# 0C HardFault_Handler(FLASH address)
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# 10 dummy
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dummy_sp = 0x3FFFFC00
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dummy_reset_vector = 0x00003625
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dummy_nmi_handler = 0x00003761
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dummy_hardfault_handler = 0x00003691
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dummy_blank = 0x00000000
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#expected fib structure
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#typedef struct fib{
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#uint32_t base; /**< Base offset of firmware, indicating what flash the
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# firmware is in. (will never be 0x11111111) */
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#uint32_t size; /**< Size of the firmware */
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#uint32_t crc; /**< CRC32 for firmware correctness check */
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#uint32_t rev; /**< Revision number */
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#uint32_t checksum; /**< Check-sum of information block */
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#}fib_t, *fib_pt;
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fib_start = FIB_BASE
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dummy_fib_size = 20
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fib_size = 20
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trim_size = 24
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user_code_start = FLASH_BASE
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trim_area_start = TRIM_BASE
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# Write FIB to the file in little endian
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output_hex_file[fib_start + 0] = (dummy_sp >> 0) & 0xFF
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output_hex_file[fib_start + 1] = (dummy_sp >> 8) & 0xFF
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output_hex_file[fib_start + 2] = (dummy_sp >> 16) & 0xFF
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output_hex_file[fib_start + 3] = (dummy_sp >> 24) & 0xFF
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output_hex_file[fib_start + 4] = (dummy_reset_vector >> 0) & 0xFF
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output_hex_file[fib_start + 5] = (dummy_reset_vector >> 8) & 0xFF
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output_hex_file[fib_start + 6] = (dummy_reset_vector >> 16) & 0xFF
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output_hex_file[fib_start + 7] = (dummy_reset_vector >> 24) & 0xFF
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output_hex_file[fib_start + 8] = (dummy_nmi_handler >> 0) & 0xFF
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output_hex_file[fib_start + 9] = (dummy_nmi_handler >> 8) & 0xFF
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output_hex_file[fib_start + 10] = (dummy_nmi_handler >> 16) & 0xFF
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output_hex_file[fib_start + 11] = (dummy_nmi_handler >> 24) & 0xFF
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output_hex_file[fib_start + 12] = (dummy_hardfault_handler >> 0) & 0xFF
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output_hex_file[fib_start + 13] = (dummy_hardfault_handler >> 8) & 0xFF
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output_hex_file[fib_start + 14] = (dummy_hardfault_handler >> 16) & 0xFF
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output_hex_file[fib_start + 15] = (dummy_hardfault_handler >> 24) & 0xFF
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output_hex_file[fib_start + 16] = (dummy_blank >> 0) & 0xFF
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output_hex_file[fib_start + 17] = (dummy_blank >> 8) & 0xFF
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output_hex_file[fib_start + 18] = (dummy_blank >> 16) & 0xFF
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output_hex_file[fib_start + 19] = (dummy_blank >> 24) & 0xFF
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# Write FIB to the file in little endian
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output_hex_file[fib_start + 20] = (start >> 0) & 0xFF
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output_hex_file[fib_start + 21] = (start >> 8) & 0xFF
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output_hex_file[fib_start + 22] = (start >> 16) & 0xFF
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output_hex_file[fib_start + 23] = (start >> 24) & 0xFF
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output_hex_file[fib_start + 24] = (size >> 0) & 0xFF
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output_hex_file[fib_start + 25] = (size >> 8) & 0xFF
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output_hex_file[fib_start + 26] = (size >> 16) & 0xFF
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output_hex_file[fib_start + 27] = (size >> 24) & 0xFF
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output_hex_file[fib_start + 28] = (crc32 >> 0) & 0xFF
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output_hex_file[fib_start + 29] = (crc32 >> 8) & 0xFF
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output_hex_file[fib_start + 30] = (crc32 >> 16) & 0xFF
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output_hex_file[fib_start + 31] = (crc32 >> 24) & 0xFF
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output_hex_file[fib_start + 32] = (fw_rev >> 0) & 0xFF
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output_hex_file[fib_start + 33] = (fw_rev >> 8) & 0xFF
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output_hex_file[fib_start + 34] = (fw_rev >> 16) & 0xFF
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output_hex_file[fib_start + 35] = (fw_rev >> 24) & 0xFF
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output_hex_file[fib_start + 36] = (checksum >> 0) & 0xFF
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output_hex_file[fib_start + 37] = (checksum >> 8) & 0xFF
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output_hex_file[fib_start + 38] = (checksum >> 16) & 0xFF
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output_hex_file[fib_start + 39] = (checksum >> 24) & 0xFF
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#pad the rest of the file
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for i in range(fib_start + dummy_fib_size + fib_size, trim_area_start):
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output_hex_file[i] = 0xFF
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# Read in configuration data from the config parameter in targets.json
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configData = Config('NCS36510')
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paramData = configData.get_target_config_data()
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for v in paramData.values():
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if (v.name == "target.mac-addr-high"):
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mac_addr_high = int(v.value, 16)
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elif (v.name == "target.mac-addr-low"):
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mac_addr_low = int(v.value,16)
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elif (v.name == "target.32KHz-clk-trim"):
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clk_32k_trim = int(v.value,16)
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elif (v.name == "target.32MHz-clk-trim"):
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clk_32m_trim = int(v.value,16)
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elif (v.name == "target.rssi-trim"):
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rssi = int(v.value,16)
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elif (v.name == "target.txtune-trim"):
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txtune = int(v.value,16)
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else:
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print("Not a valid param")
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output_hex_file[trim_area_start + 0] = mac_addr_low & 0xFF
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output_hex_file[trim_area_start + 1] = (mac_addr_low >> 8) & 0xFF
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output_hex_file[trim_area_start + 2] = (mac_addr_low >> 16) & 0xFF
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output_hex_file[trim_area_start + 3] = (mac_addr_low >> 24) & 0xFF
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output_hex_file[trim_area_start + 4] = mac_addr_high & 0xFF
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output_hex_file[trim_area_start + 5] = (mac_addr_high >> 8) & 0xFF
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output_hex_file[trim_area_start + 6] = (mac_addr_high >> 16) & 0xFF
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output_hex_file[trim_area_start + 7] = (mac_addr_high >> 24) & 0xFF
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output_hex_file[trim_area_start + 8] = clk_32k_trim & 0xFF
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output_hex_file[trim_area_start + 9] = (clk_32k_trim >> 8) & 0xFF
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output_hex_file[trim_area_start + 10] = (clk_32k_trim >> 16) & 0xFF
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output_hex_file[trim_area_start + 11] = (clk_32k_trim >> 24) & 0xFF
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output_hex_file[trim_area_start + 12] = clk_32m_trim & 0xFF
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output_hex_file[trim_area_start + 13] = (clk_32m_trim >> 8) & 0xFF
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output_hex_file[trim_area_start + 14] = (clk_32m_trim >> 16) & 0xFF
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output_hex_file[trim_area_start + 15] = (clk_32m_trim >> 24) & 0xFF
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output_hex_file[trim_area_start + 16] = rssi & 0xFF
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output_hex_file[trim_area_start + 17] = (rssi >> 8) & 0xFF
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output_hex_file[trim_area_start + 18] = (rssi >> 16) & 0xFF
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output_hex_file[trim_area_start + 19] = (rssi >> 24) & 0xFF
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output_hex_file[trim_area_start + 20] = txtune & 0xFF
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output_hex_file[trim_area_start + 21] = (txtune >> 8) & 0xFF
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output_hex_file[trim_area_start + 22] = (txtune >> 16) & 0xFF
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output_hex_file[trim_area_start + 23] = (txtune >> 24) & 0xFF
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# pad the rest of the area with 0xFF
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for i in range(trim_area_start + trim_size, user_code_start):
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output_hex_file[i] = 0xFF
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#merge two hex files
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output_hex_file.merge(input_hex_file, overlap='error')
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# Write out file(s)
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output_hex_file.tofile(file_name_hex, 'hex')
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