Fabian
68 lines
2.6 KiB
Python
68 lines
2.6 KiB
Python
#!/usr/bin/env python3
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"""
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BC-250 v3 amdgpu kernel module build script - Phase 1: Download & Prepare
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"""
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import paramiko
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import sys
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KERNEL_VER = "6.19.6"
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KERNEL_FULL = "6.19.6-2-cachyos"
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BUILD_DIR = "/home/fabian/kernel-build"
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SRC_DIR = f"{BUILD_DIR}/linux-{KERNEL_VER}"
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ssh = paramiko.SSHClient()
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ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
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ssh.connect('192.168.178.150', username='fabian', key_filename=r'C:\Users\fabia\.ssh\id_ed25519')
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def run(cmd, desc="", timeout=600):
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if desc:
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print(f"\n=== {desc} ===")
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stdin, stdout, stderr = ssh.exec_command(cmd, timeout=timeout)
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out = stdout.read().decode().strip()
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err = stderr.read().decode().strip()
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rc = stdout.channel.recv_exit_status()
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if out:
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lines = out.split('\n')
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if len(lines) > 60:
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print('\n'.join(lines[:25]))
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print(f" ... ({len(lines)-50} lines omitted) ...")
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print('\n'.join(lines[-25:]))
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else:
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print(out)
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if err and rc != 0:
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print(f"STDERR: {err[:500]}")
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if rc != 0:
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print(f"EXIT CODE: {rc}")
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return out, rc
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# Step 1: Download kernel source if not present
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out, rc = run(f"test -d {SRC_DIR} && echo EXISTS || echo MISSING")
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if "EXISTS" in out:
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print(f"Kernel source already at {SRC_DIR}")
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else:
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run(f"mkdir -p {BUILD_DIR}", "Creating build directory")
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run(f"cd {BUILD_DIR} && curl -LO https://cdn.kernel.org/pub/linux/kernel/v6.x/linux-{KERNEL_VER}.tar.xz",
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f"Downloading linux-{KERNEL_VER}.tar.xz", timeout=600)
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run(f"cd {BUILD_DIR} && tar xf linux-{KERNEL_VER}.tar.xz",
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"Extracting kernel source", timeout=300)
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run(f"rm -f {BUILD_DIR}/linux-{KERNEL_VER}.tar.xz")
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# Step 2: Prepare build environment
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run(f"cp /usr/lib/modules/{KERNEL_FULL}/build/.config {SRC_DIR}/", "Copying .config")
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run(f"cp /usr/lib/modules/{KERNEL_FULL}/build/Module.symvers {SRC_DIR}/", "Copying Module.symvers")
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run(f"cp /usr/lib/modules/{KERNEL_FULL}/build/localversion.10-pkgrel {SRC_DIR}/", "Copying localversion pkgrel")
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run(f"cp /usr/lib/modules/{KERNEL_FULL}/build/localversion.20-pkgname {SRC_DIR}/", "Copying localversion pkgname")
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run(f"cd {SRC_DIR} && make LLVM=1 olddefconfig 2>&1 | tail -5", "olddefconfig", timeout=120)
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run(f"cd {SRC_DIR} && make LLVM=1 modules_prepare 2>&1 | tail -10", "modules_prepare", timeout=120)
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# Verify
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print("\n=== Source files ===")
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AMDGPU = f"{SRC_DIR}/drivers/gpu/drm/amd/amdgpu"
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for f in ["gfx_v10_0.c", "gmc_v10_0.c", "amdgpu_gmc.c"]:
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out, _ = run(f"wc -l {AMDGPU}/{f}")
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print(f" {f}: {out.split()[0]} lines")
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print("\n=== Phase 1 complete: source downloaded and prepared ===")
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ssh.close()
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