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Support non-DMA DRAM & fix create_elf bugs #9

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Support non-DMA DRAM & fix create_elf bugs #9

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1c9a9d2
ignore __pycache__ dir
samyk May 8, 2023
94e56f6
fix create_elf bug with missing LoadFirmwareImage
samyk May 8, 2023
05104ad
fix bug to run from alternate directories
samyk May 8, 2023
d05e368
add support for non-DMA DRAM data
samyk May 8, 2023
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1 change: 1 addition & 0 deletions .gitignore
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Original file line number Diff line number Diff line change
@@ -1 +1,2 @@
.DS_Store
__pycache__/
6 changes: 5 additions & 1 deletion esp32_image_parser.py
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Expand Up @@ -6,9 +6,12 @@
import os, argparse
from makeelf.elf import *
from esptool import *
from esptool.bin_image import *
from esp32_firmware_reader import *
from read_nvs import *

symbols_dump = os.path.dirname(os.path.realpath(__file__)) + "/symbols_dump.txt"

def image_base_name(path):
filename_w_ext = os.path.basename(path)
filename, ext = os.path.splitext(filename_w_ext)
Expand Down Expand Up @@ -52,6 +55,7 @@ def image2elf(filename, output_file, verbose=False):
# maps segment names to ELF sections
section_map = {
'DROM' : '.flash.rodata',
'BYTE_ACCESSIBLE, DRAM' : '.dram0.data',
'BYTE_ACCESSIBLE, DRAM, DMA': '.dram0.data',
'IROM' : '.flash.text',
#'RTC_IRAM' : '.rtc.text' TODO
Expand Down Expand Up @@ -186,7 +190,7 @@ def image2elf(filename, output_file, verbose=False):

def add_elf_symbols(elf):

fh = open("symbols_dump.txt", "r")
fh = open(symbols_dump, "r")
lines = fh.readlines()

bind_map = {"LOCAL" : STB.STB_LOCAL, "GLOBAL" : STB.STB_GLOBAL}
Expand Down