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V1.0.5

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刘可亮
2024-06-04 19:00:30 +08:00
parent 990c72f5be
commit 0a13af6a1d
1668 changed files with 342810 additions and 37726 deletions
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93
tools/scripts/makefatfs.py
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@@ -23,6 +23,7 @@ def mkimage_get_resource_size(srcdir, cluster_siz):
total_size += size
return total_size
def mkimage_get_part_size(outfile):
imgname = os.path.basename(outfile)
partlist = os.path.join(os.path.dirname(outfile), 'partition_file_list.h')
@@ -33,13 +34,14 @@ def mkimage_get_part_size(outfile):
lines = f.readlines()
for ln in lines:
name = ln.split(',')[1].replace('"', '').replace('*', '')
if imgname == re.sub(".sparse", "", name) or imgname in re.sub(".sparse", "", name):
if imgname == re.sub(".sparse", "", name):
size = int(ln.split(',')[2])
return size
print('Image {} is not used in any partition'.format(imgname))
print('please check your project\'s image_cfg.json');
print('please check your project\'s image_cfg.json')
return size
def run_cmd(cmdstr):
# print(cmdstr)
cmd = cmdstr.split(' ')
@@ -47,8 +49,9 @@ def run_cmd(cmdstr):
if ret.returncode != 0:
sys.exit(1)
def gen_fatfs(tooldir, srcdir, outimg, imgsiz, sector_siz, cluster):
sector_cnt = int(imgsiz / int(sector_siz))
sector_cnt = int(imgsiz / sector_siz)
if platform.system() == 'Linux':
truncate = 'truncate -s {} {}'.format(imgsiz, outimg)
run_cmd(truncate)
@@ -82,6 +85,7 @@ def gen_fatfs(tooldir, srcdir, outimg, imgsiz, sector_siz, cluster):
img2simg = '{}img2simg.exe {} {}.sparse 1024'.format(tooldir, outimg, outimg)
run_cmd(img2simg)
def round_pow2(x):
cnt = 0
shift = 64
@@ -98,40 +102,105 @@ def round_pow2(x):
value = 1 << last_one
return value
if __name__ == "__main__":
parser = argparse.ArgumentParser()
parser.add_argument("-a", "--auto", action='store_true',
help="auto size of FAT image")
parser.add_argument("-f", "--fullpart", action='store_true',
help="image size of is partition size")
help="image size is partition size")
parser.add_argument("-i", "--inputdir", type=str,
help="input directory")
parser.add_argument("-o", "--outfile", type=str,
help="output file")
parser.add_argument("-g", "--imgsize", type=str,
help="sector size")
help="image size")
parser.add_argument("-s", "--sector", type=str,
help="sector size")
parser.add_argument("-c", "--cluster", type=str,
help="cluster size")
parser.add_argument("-t", "--tooldir", type=str,
help="tool directory")
parser.add_argument("-r", "--raw", action='store_true',
help="Don't strip FAT image, keep raw image")
args = parser.parse_args()
cluster = int(args.cluster)
# cluster should be pow of 2
cluster = round_pow2(cluster)
sector_siz = int(args.sector)
calc_mini = True
strip_siz = True
if args.auto:
cluster_siz = cluster * int(args.sector)
imgsiz = mkimage_get_resource_size(args.inputdir, cluster_siz)
# No need to strip size in auto mode
strip_siz = False
if args.raw:
# No need to strip size if user select raw image
strip_siz = False
if calc_mini:
cluster_siz = cluster * sector_siz
data_siz = mkimage_get_resource_size(args.inputdir, cluster_siz)
# Size should alignment with cluster size
imgsiz = cluster_siz * int(round((imgsiz + cluster_siz - 1) / cluster_siz))
# Add additional 512KB free space
imgsiz += 512 * 1024
data_siz = cluster_siz * int(((data_siz + cluster_siz - 1) / cluster_siz))
if args.auto:
data_clus_cnt = 2 + data_siz / cluster_siz
data_region_sz = data_clus_cnt * cluster_siz
if data_clus_cnt < 4096:
# FAT12
# - BPB_RsvdSecCnt should be 1
# - BPB_RootEntCnt max 512
# - FATsz: 2 * FAT
# - DATA Region: 2 cluster + DATA
fat_siz = (data_region_sz / cluster_siz) * 12 / 8
rsvd_siz = 1 * sector_siz
root_ent_cnt = 512 * 32
elif data_clus_cnt < 65525:
# FAT16
# - BPB_RsvdSecCnt should be 1
# - BPB_RootEntCnt max 512
# - FATsz: 2 * FAT
# - DATA Region: 2 cluster + DATA
fat_siz = (data_region_sz / cluster_siz) * 16 / 8
rsvd_siz = 1 * sector_siz
root_ent_cnt = 512 * 32
imgsiz = rsvd_siz + 2 * fat_siz + root_ent_cnt + data_region_sz
else:
# FAT32
# - BPB_RsvdSecCnt fixed 32
# - BPB_RootEntCnt fixed 0
# - FATsz: 2 * FAT
# - DATA Region: 2 cluster + DATA
fat_siz = data_region_sz / cluster_siz * 4
rsvd_siz = 32 * sector_siz
root_ent_cnt = 0
fat_siz = sector_siz * int((fat_siz + sector_siz - 1) / sector_siz)
imgsiz = rsvd_siz + 2 * fat_siz + root_ent_cnt + data_region_sz
# Round to cluster alignment
imgsiz = cluster_siz * int(((imgsiz + cluster_siz - 1) / cluster_siz))
elif args.fullpart:
imgsiz = mkimage_get_part_size(args.outfile)
else:
imgsiz = int(args.imgsize)
gen_fatfs(args.tooldir, args.inputdir, args.outfile, imgsiz, args.sector, cluster)
gen_fatfs(args.tooldir, args.inputdir, args.outfile, imgsiz, sector_siz, cluster)
if strip_siz:
clus_cnt = imgsiz / cluster_siz
if clus_cnt < 65536:
# FAT16/FAT12, assume it is FAT16, and evaluate the valid data size
fat_siz = (clus_cnt * 16) / 8
rsvd_siz = 1 * sector_siz
root_ent_cnt = 512 * 32
else:
# FAT32, evaluate the valid data size
fat_siz = (clus_cnt * 32) / 8
rsvd_siz = 32 * sector_siz
root_ent_cnt = 0
minimal_siz = rsvd_siz + 2 * fat_siz + root_ent_cnt + 2 * cluster_siz + data_siz
# Round to cluster alignment
minimal_siz = cluster_siz * int(((minimal_siz + cluster_siz - 1) / cluster_siz))
if platform.system() == 'Linux':
truncate = 'truncate -s {} {}'.format(minimal_siz, args.outfile)
run_cmd(truncate)
elif platform.system() == 'Windows':
truncate = '{}truncate.exe -s {} {}'.format(args.tooldir, minimal_siz, args.outfile)
run_cmd(truncate)