#!/bin/bash

#
# Xanmod-ROG configuration script; this script is called during package creation and tunes kernel configuration
#            where we want to differ from upstream Xanmod

# Any user customization should be done in $PKGDIR/myconfig or $HOME/.config/linux-xanmod-rog/myconfig; if either
# of these scripts exists they'll be called during package build after this script finishes

#
# WARNING: DO NOT EDIT THIS FILE, it will be over-written by future updates -- use 'myconfig' instead
#

# XXX: Switch to a more power-friendly cpufreq default, this is a laptop-focused kernel package
scripts/config  --disable CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE \
                --enable CONFIG_CPU_FREQ_DEFAULT_GOV_SCHEDUTIL

# asusctl/supergfxctl VFIO compatibility
scripts/config  --module CONFIG_VFIO \
                --module CONFIG_VFIO_VIRQFD \
                --disable CONFIG_VFIO_NOIOMMU \
                --module CONFIG_VFIO_PCI

# package throws a warning re: lack of binutils support if this is left on
scripts/config  --disable CONFIG_X86_X32

# sync default hostname with Arch
scripts/config  --set-str CONFIG_DEFAULT_HOSTNAME archlinux

# enable debug and BTF generation
scripts/config  --enable CONFIG_DEBUG_INFO \
                --enable CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT \
                --enable CONFIG_DEBUG_INFO_BTF \
                --enable CONFIG_DEBUG_INFO_BTF_MODULES

# sync up some BPF defaults with mainline
# FIXME: BPF preloading is still causing boot-time errors for people, disable for now
#scripts/config  --enable CONFIG_BPF_PRELOAD \
#                --module CONFIG_BPF_PRELOAD_UMD \
#                --enable CONFIG_BPF_LSM

scripts/config  --enable CONFIG_BPF_LSM

# sync some settings with Arch:
scripts/config  --enable CONFIG_TASKS_RUDE_RCU \
                --disable CONFIG_X86_MCELOG_LEGACY \
                --enable CONFIG_X86_CPA_STATISTICS \
                --module CONFIG_X86_PMEM_LEGACY \
                --enable CONFIG_KPROBES_ON_FTRACE \
                --enable CONFIG_UPROBES \
                --enable CONFIG_LOCK_EVENT_COUNTS \
                --enable CONFIG_MODULE_FORCE_LOAD \
                --enable CONFIG_MODULE_FORCE_UNLOAD \
                --enable CONFIG_MODULE_ALLOW_MISSING_NAMESPACE_IMPORTS \
                --enable CONFIG_BLK_DEV_THROTTLING_LOW \
                --enable CONFIG_BLK_CGROUP_IOCOST \
                --enable CONFIG_CMA \
                --enable CONFIG_CMA_DEBUGFS \
                --enable CONFIG_CMA_SYSFS \
                --set-val CONFIG_CMA_AREAS 7 \
                --enable CONFIG_READ_ONLY_THP_FOR_FS \
                --enable CONFIG_XFRM_SUB_POLICY \
                --enable CONFIG_XFRM_MIGRATE \
                --enable CONFIG_NET_KEY_MIGRATE \
                --enable CONFIG_IPV6_OPTIMISTIC_DAD \
                --enable CONFIG_IPV6_RPL_LWTUNNEL \
                --enable CONFIG_NF_CONNTRACK_PROCFS \
                --module CONFIG_NETFILTER_XT_TARGET_NOTRACK \
                --disable CONFIG_DECNET \
                --module CONFIG_IPDDP \
                --enable CONFIG_IPDDP_ENCAP \
                --disable CONFIG_X25 \
                --disable CONFIG_LAPB

scripts/config  --enable CONFIG_TRACEPOINTS \
                --disable CONFIG_IOSF_MBI_DEBUG \
                --enable CONFIG_KVM_MMU_AUDIT \
                --disable CONFIG_BLK_CMDLINE_PARSER \
                --module CONFIG_PCIEAER_INJECT \
                --enable CONFIG_PCIE_ECRC \
                --enable CONFIG_PCI_P2PDMA

# XXX: switch off drivers we're probably not going to use
scripts/config  --disable CONFIG_INFINIBAND \
                --disable CONFIG_DRM_NOUVEAU \
                --disable CONFIG_PCMCIA_WL3501 \
                --disable CONFIG_PCMCIA_RAYCS \
                --disable CONFIG_IWL3945 \
                --disable CONFIG_IWL4965 \
                --disable CONFIG_IPW2200 \
                --disable CONFIG_IPW2100

# select slightly more sane block device driver options; NVMe really should be built in 
scripts/config  --disable CONFIG_RAPIDIO \
                --module CONFIG_CDROM \
                --disable CONFIG_PARIDE \
                --enable CONFIG_NVME_CORE \
                --enable CONFIG_BLK_DEV_NVME \
                --module CONFIG_FDDI \
                --module CONFIG_PPP \
                --module CONFIG_SLHC

# larger kernel log buffer (256KB)
scripts/config  --set-val CONFIG_LOG_BUF_SHIFT 18

# MSR as a module
scripts/config  --module CONFIG_X86_MSR

# enable EFI var access
scripts/config  --module CONFIG_EFI_VARS

# disable user event hooks
scripts/config  --disable CONFIG_UEVENT_HELPER
scripts/config  --disable CONFIG_FW_LOADER_USER_HELPER

# Xanmod: enable scheduler autogrouping
scripts/config --enable CONFIG_SCHED_AUTOGROUP_DEFAULT_ENABLED

# feature: enable multigen LRU by default
scripts/config  --enable CONFIG_LRU_GEN \
                --enable CONFIG_LRU_GEN_ENABLED

# bake in s0ix debugging parameters so we get useful problem reports re: suspend
scripts/config  --enable CONFIG_CMDLINE_BOOL \
                --set-str CONFIG_CMDLINE "makepkgplaceholderyolo" \
                --disable CMDLINE_OVERRIDE

# HACK: forcibly fixup CONFIG_CMDLINE here as using scripts/config mangles escaped quotes
sed -i 's#makepkgplaceholderyolo#pm_debug_messages amd_pmc.enable_stb=1 amd_pmc.dyndbg=\\"+p\\" acpi.dyndbg=\\"file drivers/acpi/x86/s2idle.c +p\\"#' .config

# Note the double escaped quotes above, sed strips one; the final result in .config needs to contain single slash
# escaped quotes (eg: `CONFIG_CMDLINE="foo.dyndbg=\"+p\""`) to avoid dyndbg parse errors at boot. This is impossible
# with the current kernel config script.