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#!/usr/bin/env python3
import sys
import os
CONFIG_FILE_EXT = ".config"
UNSET = "unset"
DISABLE = "n"
ENABLE = "y"
MODULE = "m"
GENERIC_PATCHES = [
# kernel-fsync config
["I2C_NCT6775", None, MODULE],
["ZENIFY", None, ENABLE],
["FB_SIMPLE", UNSET, ENABLE],
["FB_EFI", UNSET, ENABLE],
["FB_VESA", UNSET, ENABLE],
["ACPI_EC_DEBUGFS", UNSET, MODULE],
["NTSYNC", None, ENABLE],
["USER_NS_UNPRIVILEGED", None, ENABLE],
["TCP_CONG_BBR2", None, MODULE],
["SECURITY_LOCKDOWN_LSM_EARLY", None, UNSET],
# scheduler stuff
["SCHED_ALT", None, ENABLE],
["SCHED_BMQ", None, ENABLE],
["SCHED_PDS", None, UNSET],
# device specific config
# Microsoft Surface
["HID_IPTS", None, MODULE],
["HID_ITHC", None, MODULE],
["SURFACE_BOOK1_DGPU_SWITCH", None, MODULE],
["VIDEO_DW9719", None, MODULE],
["IPC_CLASSES", None, ENABLE],
["LEDS_TPS68470", None, MODULE],
["SENSORS_SURFACE_FAN", None, MODULE],
["SENSORS_SURFACE_TEMP", None, MODULE],
# Steam Deck / amdgpu HDR Color management
["DRM_AMD_COLOR_STEAMDECK", None, ENABLE],
# Rog Ally Gyro Fix
["BMI323_I2C", None, MODULE],
["BMI323_SPI", None, MODULE],
# Mac T2 supprot
["DRM_APPLETBDRM", None, MODULE],
["HID_APPLETB_BL", None, MODULE],
["HID_APPLETB_KBD", None, MODULE],
["HID_APPLE_MAGIC_BACKLIGHT", None, MODULE],
["CONFIG_APPLE_BCE", None, MODULE],
]
ARCH_PATCHES = {
"x86_64": [
# Lenovo Legion
["LEGION_LAPTOP", None, MODULE],
["ACPI_CALL", None, MODULE],
# Aly & Legion Go Gyro
["IIO_SYSFS_TRIGGER", None, MODULE],
["IIO_HRTIMER_TRIGGER", None, MODULE],
# Steam Deck
["MFD_STEAMDECK", None, MODULE],
["SENSORS_STEAMDECK", None, MODULE],
["LEDS_STEAMDECK", None, MODULE],
["EXTCON_STEAMDECK", None, MODULE],
# Required by the Steam Deck for DRD, otherwise USB is borked
["USB_DWC3", None, MODULE],
["USB_DWC3_ULPI", None, ENABLE],
["USB_DWC3_DUAL_ROLE", None, ENABLE],
["USB_DWC3_PCI", None, MODULE],
["USB_DWC3_HAPS", None, MODULE],
["USB_DWC3_HOST", ENABLE, UNSET, "fedora"],
["USB_DWC2", None, MODULE],
["USB_DWC2_DUAL_ROLE", None, ENABLE],
["USB_DWC2_PCI", None, MODULE],
["USB_DWC2_DEBUG", None, UNSET],
["USB_DWC2_TRACK_MISSED_SOFS", None, UNSET],
["USB_CHIPIDEA", None, MODULE],
["USB_CHIPIDEA_UDC", None, ENABLE],
["USB_CHIPIDEA_HOST", None, ENABLE],
["USB_CHIPIDEA_PCI", None, MODULE],
["USB_CHIPIDEA_MSM", None, MODULE],
["USB_CHIPIDEA_GENERIC", None, MODULE],
["USB_ISP1760", None, MODULE],
["USB_ISP1760_HCD", None, ENABLE],
["USB_ISP1761_UDC", None, ENABLE],
["USB_ISP1760_DUAL_ROLE", None, ENABLE],
["USB_GADGET", None, MODULE],
["USB_GADGET_VBUS_DRAW", None, "2"],
["USB_GADGET_STORAGE_NUM_BUFFERS", None, "2"],
["USB_GADGET_DEBUG", None, UNSET],
["USB_GADGET_DEBUG_FILES", None, UNSET],
["USB_GADGET_DEBUG_FS", None, UNSET],
["U_SERIAL_CONSOLE", None, UNSET],
["USB_R8A66597", None, UNSET],
["USB_PXA27X", None, UNSET],
["USB_MV_UDC", None, UNSET],
["USB_MV_U3D", None, UNSET],
["USB_M66592", None, UNSET],
["USB_BDC_UDC", None, UNSET],
["USB_AMD5536UDC", None, UNSET],
["USB_NET2272", None, UNSET],
["USB_NET2280", None, UNSET],
["USB_GOKU", None, UNSET],
["USB_EG20T", None, UNSET],
["USB_DUMMY_HCD", None, UNSET],
["USB_CONFIGFS", None, UNSET],
["PHY_SAMSUNG_USB2", None, UNSET],
# Steam Deck HDR Color management
["DRM_AMD_COLOR_STEAMDECK", None, ENABLE],
# Deck Sound stuff?
["SND_SOC_AMD_ACP_COMMON", None, MODULE],
["SND_SPI", None, ENABLE],
["SND_SOC_AMD_SOF_MACH", None, MODULE],
["SND_SOC_AMD_MACH_COMMON", None, MODULE],
["SND_SOC_SOF", None, MODULE],
["SND_SOC_SOF_PROBE_WORK_QUEUE", None, ENABLE],
["SND_SOC_SOF_IPC3", None, ENABLE],
["SND_SOC_SOF_INTEL_IPC4", None, ENABLE],
["SND_SOC_SOF_AMD_COMMON", None, MODULE],
["SND_SOC_SOF_AMD_ACP63", None, MODULE],
["SND_SOC_AMD_ACP_PCI", None, UNSET],
["SND_AMD_ASOC_RENOIR", None, UNSET],
["SND_AMD_ASOC_REMBRANDT", None, UNSET],
["SND_SOC_AMD_LEGACY_MACH", None, UNSET],
["SND_SOC_TOPOLOGY", None, ENABLE],
],
}
def generate_line(c, v) -> str:
if v == UNSET:
v = f"# {c} is not set"
else:
v = f"{c}={v}"
return v
def apply_patches(data: str, patches, flags = None) -> str:
if flags is None:
flags = []
for name, *val in patches:
if not name.startswith("CONFIG_"):
name = f"CONFIG_{name}"
s = f"{name}="
u = f"# {name} "
if len(val) == 3 and val[2] not in flags:
continue
if any(x in data for x in [s, u]):
try:
i = data.index(s)
except ValueError:
i = data.index(u)
try:
line_start = data.rindex("\n", 0, i)+1
except ValueError:
# No newline before the config?
# Probably the first line in the file
line_start = 0
line_end = data.index("\n", line_start)
line = data[line_start:line_end]
if val[0] is not None:
# verify we found what we expect
l = generate_line(name, val[0])
if l != line:
#print(f" Could not apply {name}: could not find expected config")
continue
data = data[:line_start] + generate_line(name, val[1]) + data[line_end:]
elif val[0] is None:
# relevant entry does not exist yet and we don't want to replace anything specific
data += generate_line(name, val[1])
data += "\n"
else:
print(f" Couldn't find {name}")
exit(1)
return data
CONFIG_FILES = sys.argv[1:]
if not CONFIG_FILES:
print("No config files given")
exit(1)
# Verify all given inputs first before working with them
for file in CONFIG_FILES:
if not os.path.isfile(file):
print(f"{file} does not exist")
exit(1)
filename = os.path.basename(file)
if not filename.endswith(CONFIG_FILE_EXT):
print(f"{file} does not have the right file extension")
exit(1)
namesegs = filename[:-len(CONFIG_FILE_EXT)].split("-")
if len(namesegs) < 3:
print(f"{file} does not have the right number of segments")
exit(1)
if namesegs[0] != "kernel":
print(f"{file} does not appear to be a kernel config")
exit(1)
for file in CONFIG_FILES:
filename = os.path.basename(file)
print(f"Processing {filename}...")
namesegs = filename[:-len(CONFIG_FILE_EXT)].split("-")
namesegs.pop(0)
arch = namesegs.pop(0)
flavor = namesegs.pop(-1)
flags = namesegs
flags.append(flavor)
if "debug" not in flags:
flags.append("release")
with open(file, "r+") as fd:
data = fd.read()
fd.seek(0)
data = apply_patches(data, GENERIC_PATCHES, flags)
if arch in ARCH_PATCHES:
data = apply_patches(data, ARCH_PATCHES[arch], flags)
fd.write(data)
fd.truncate()
data = open(file, "r").read()
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