forked from M-Labs/artiq
80 lines
3.2 KiB
Python
80 lines
3.2 KiB
Python
import os
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import subprocess
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from migen import *
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from migen.build.platforms.sinara import kasli
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from misoc.interconnect.csr import *
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from misoc.integration.builder import *
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from artiq.gateware.amp import AMPSoC
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from artiq import __version__ as artiq_version
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from artiq import __artiq_dir__ as artiq_dir
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__all__ = ["add_identifier", "build_artiq_soc"]
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def get_identifier_string(soc, suffix="", add_class_name=True):
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r = artiq_version
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if suffix or add_class_name:
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r += ";"
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if add_class_name:
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r += getattr(soc, "class_name_override", soc.__class__.__name__.lower())
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r += suffix
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return r
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class ReprogrammableIdentifier(Module, AutoCSR):
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def __init__(self, ident):
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self.address = CSRStorage(8)
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self.data = CSRStatus(8)
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contents = list(ident.encode())
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l = len(contents)
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if l > 255:
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raise ValueError("Identifier string must be 255 characters or less")
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contents.insert(0, l)
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for i in range(8):
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self.specials += Instance("ROM256X1", name="identifier_str"+str(i),
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i_A0=self.address.storage[0], i_A1=self.address.storage[1],
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i_A2=self.address.storage[2], i_A3=self.address.storage[3],
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i_A4=self.address.storage[4], i_A5=self.address.storage[5],
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i_A6=self.address.storage[6], i_A7=self.address.storage[7],
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o_O=self.data.status[i],
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p_INIT=sum(1 << j if c & (1 << i) else 0 for j, c in enumerate(contents)))
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def add_identifier(soc, *args, gateware_identifier_str=None, **kwargs):
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if hasattr(soc, "identifier"):
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raise ValueError
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identifier_str = get_identifier_string(soc, *args, **kwargs)
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soc.submodules.identifier = ReprogrammableIdentifier(gateware_identifier_str or identifier_str)
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soc.config["IDENTIFIER_STR"] = identifier_str
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def build_artiq_soc(soc, argdict):
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firmware_dir = os.path.join(artiq_dir, "firmware")
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builder = Builder(soc, **argdict)
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builder.software_packages = []
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builder.add_software_package("bootloader", os.path.join(firmware_dir, "bootloader"))
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is_kasli_v1 = isinstance(soc.platform, kasli.Platform) and soc.platform.hw_rev in ("v1.0", "v1.1")
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kernel_cpu_type = "vexriscv" if is_kasli_v1 else "vexriscv-g"
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builder.add_software_package("libm", cpu_type=kernel_cpu_type)
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builder.add_software_package("libprintf", cpu_type=kernel_cpu_type)
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builder.add_software_package("libunwind", cpu_type=kernel_cpu_type)
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builder.add_software_package("ksupport", os.path.join(firmware_dir, "ksupport"), cpu_type=kernel_cpu_type)
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# Generate unwinder for soft float target (ARTIQ runtime)
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# If the kernel lacks FPU, then the runtime unwinder is already generated
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if not is_kasli_v1:
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builder.add_software_package("libunwind")
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if not soc.config["DRTIO_ROLE"] == "satellite":
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builder.add_software_package("runtime", os.path.join(firmware_dir, "runtime"))
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else:
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# Assume DRTIO satellite.
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builder.add_software_package("satman", os.path.join(firmware_dir, "satman"))
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try:
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builder.build()
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except subprocess.CalledProcessError as e:
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raise SystemExit("Command {} failed".format(" ".join(e.cmd)))
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