1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
|
"""shared steps for the drivers that build their own images: pick a c compiler with
#embed, and link a microcore around a genome image (little-endian 64-bit words)
for a given memory map. everything is written into the caller's directory."""
import os
import shutil
import subprocess
from pathlib import Path
ROOT = Path(__file__).resolve().parents[2]
DEFAULT_MAP = ROOT / 'build' / 'core' / 'map' / 'memmap.h'
MICRO_SOURCES = ['src/micro/micro.c', 'src/micro/micro_port.h', 'src/micro/port_linux.c',
'src/core/fops.h', 'src/core/bops.h', 'src/core/stack.h', 'src/core/genome.h']
def compiler():
"""the c compiler: CC, or the one src/tools/findcc.sh picks."""
if os.environ.get('CC'):
return os.environ['CC']
return subprocess.run(['sh', str(ROOT / 'src/tools/findcc.sh')], check=True, capture_output=True, text=True).stdout.strip()
def micro_image(directory, image, memmap=DEFAULT_MAP, threads=True, name='image', timeout=60):
"""link a microcore in directory that boots image (bytes). memmap is the map header the
image was built for. returns the executable's path."""
directory = Path(directory)
(directory / 'genome.bin').write_bytes(image)
shutil.copy(memmap, directory / 'memmap.h')
for f in MICRO_SOURCES:
shutil.copy(ROOT / f, directory)
flags = ['-pthread', '-DZY_THREADS'] if threads else []
out = directory / name
subprocess.run([compiler(), '-O2', '-w', '-fwrapv', *flags, str(directory / 'micro.c'), str(directory / 'port_linux.c'),
'-I' + str(directory), '-o', str(out)], check=True, timeout=timeout)
return out
|
