michaelh/zephyr
1
0
Fork 0
Code Releases Activity

scripts: gen_app_smem.py: Removing a needless file.

Browse source 
No longer needed. Superseded by scripts/gen_app_partitions.py

Signed-off-by: Adithya Baglody <adithya.nagaraj.baglody@intel.com>
This commit is contained in:
Adithya Baglody 2018-08-04 19:57:56 +05:30 • committed by Anas Nashif
commit f8a8bdf392
1 changed files with 0 additions and 142 deletions
Download patch file Download diff file Expand all files Collapse all files

142
scripts/gen_app_smem.py
View file

@ -1,142 +0,0 @@
#!/usr/bin/env python3
import sys
import argparse
import os
import re
import string
from elftools.elf.elffile import ELFFile
partitions=[]
variables=[]
app_smem = "/*\n * The following is a dynamically created linker section.\n" \
" * Please do not modify or delete.\n */\n"
dRegion_size = { "0x20":32 , \
"0x40":64, \
"0x80":128, \
"0x100":256, \
"0x200":512, \
"0x400":1024, \
"0x800":2048, \
"0x1000":4096, \
"0x2000":8192, \
"0x4000":16384, \
"0x8000":32768, \
"0x10000":65536, \
"0x20000":131072, \
"0x40000":262144, \
"0x80000":524288, \
"0x100000":1048576, \
"0x200000":2097152, \
"0x400000":4194304, \
"0x800000":8388608, \
"0x1000000":16777216, \
"0x2000000":33554432, \
"0x4000000":67108864, \
"0x8000000":134217728, \
"0x10000000":268435456, \
"0x20000000":536870912, \
"0x40000000":1073741824, \
"0x80000000":2147483648, \
"0x100000000":4294967296}
def build_linker_section(filename, regionSizes):
with open(filename, 'w') as f:
f.write(app_smem)
for part in partitions:
psize = "0"
if (part.endswith("b")):
continue
for partition, size in regionSizes:
if (partition == str(part).strip("b'")):
f.write("\t\t. = ALIGN(" + size + ");\n");
psize = size
f.write("\t\t" + str(part).strip("b'") + " = .;\n")
f.write("\t\t*(SORT(" + str(part).strip("b'") + "*))\n")
f.write("\t\t. = ALIGN(_app_data_align);\n")
f.write("\t\t" + str(part).strip("b'") + "b_end = .;\n")
f.write("\t\t. = ALIGN(" + psize + ");\n")
def find_variables(filename):
flag = 0
with open(filename, 'rb') as f:
objF = ELFFile( f)
if (not objF):
print("Error parsing file: ",filename)
os.exit(1)
sec = [ x for x in objF.iter_sections()]
for s in sec:
if ("smem" in s.name and not ".rel" in s.name):
variables.append( s)
def build_partitions():
global partitions
s = set()
for var in variables:
s.add(var.name)
for sec in sorted(s):
partitions.append(sec)
def calc_sec_size():
d = dict()
if not variables:
return None
for v in variables:
if( v.name in d):
d[v.name] += v.header.sh_size
else:
d[v.name] = v.header.sh_size
return d
def genRegionDef():
res = []
dSecs = calc_sec_size()
if(dSecs is None):
print("\n***\nError: Failed to identify smem regions in the object files\n***\n")
sys.exit(1)
ordered_defs = []
for key, value in sorted(dRegion_size.items(), key=lambda o: (o[1],o[0]) ):
ordered_defs.append( ( value, key))
ltSecs = sorted(dSecs.items())
szltSecs = len(ltSecs)
if( szltSecs % 2 == 1):
szltSecs += 1
for r in range(int(szltSecs /2 )):
i = r*2
sz = ltSecs[i][1] + ltSecs[1+i][1]
for d in ordered_defs:
if( sz < d[0]):
res.append( ( ltSecs[i][0], d[1]))
break
return res
def parse_args():
global args
parser = argparse.ArgumentParser(
description=__doc__,
formatter_class=argparse.RawDescriptionHelpFormatter)
parser.add_argument("-d", "--directory", required=True,
help="Root build directory")
parser.add_argument("-o", "--output", required=True,
help="Output ld file")
args = parser.parse_args()
def main():
parse_args()
startIndex = args.directory
fileOutput = args.output
for dirpath, dirs, files in os.walk(startIndex):
for filename in files:
if (filename.endswith(".obj") or filename.endswith(".OBJ")):
fullname = os.path.join(dirpath, filename)
find_variables(fullname)
build_partitions()
build_linker_section(fileOutput, genRegionDef())
if __name__ == '__main__':
main()