#!/usr/bin/env python3
"""Slice named functions out of the RK3588 DDR v1.19 conservative blob."""
import os

BLOB = os.path.expanduser('~/projects/AMPere/rkbin/bin/rk35/rk3588_ddr_lp4_1848MHz_lp5_2112MHz_v1.19.bin')
BASE = os.path.expanduser('~/projects/AMPere/benchmark')

functions = [
    ('01_memset',        0x0aac, 0x1c, 'byte memset'),
    ('02_memcpy32',      0x1200, 0x24, 'word-aligned memcpy32'),
    ('03_magic_memset',  0x0da4, 0x28, 'magic-check + tail-call to memset'),
]

blob = open(BLOB, 'rb').read()
for name, off, sz, desc in functions:
    d = os.path.join(BASE, name)
    os.makedirs(d, exist_ok=True)
    with open(os.path.join(d, 'func.bin'), 'wb') as f:
        f.write(blob[off:off+sz])
    print(f"{name}: {sz} bytes @ 0x{off:x}  — {desc}")