518 lines
11 KiB
Nix
518 lines
11 KiB
Nix
{ lib }:
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rec {
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pc = {
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linux-kernel = {
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name = "pc";
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baseConfig = "defconfig";
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# Build whatever possible as a module, if not stated in the extra config.
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autoModules = true;
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target = "bzImage";
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};
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};
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pc_simplekernel = lib.recursiveUpdate pc {
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linux-kernel.autoModules = false;
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};
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powernv = {
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linux-kernel = {
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name = "PowerNV";
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baseConfig = "powernv_defconfig";
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target = "zImage";
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installTarget = "install";
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file = "vmlinux";
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autoModules = true;
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# avoid driver/FS trouble arising from unusual page size
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extraConfig = ''
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PPC_64K_PAGES n
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PPC_4K_PAGES y
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IPV6 y
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'';
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};
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};
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##
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## ARM
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##
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pogoplug4 = {
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linux-kernel = {
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name = "pogoplug4";
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baseConfig = "multi_v5_defconfig";
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autoModules = false;
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extraConfig = ''
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# Ubi for the mtd
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MTD_UBI y
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UBIFS_FS y
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UBIFS_FS_XATTR y
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UBIFS_FS_ADVANCED_COMPR y
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UBIFS_FS_LZO y
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UBIFS_FS_ZLIB y
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UBIFS_FS_DEBUG n
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'';
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makeFlags = [ "LOADADDR=0x8000" ];
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target = "uImage";
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# TODO reenable once manual-config's config actually builds a .dtb and this is checked to be working
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#DTB = true;
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};
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gcc = {
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arch = "armv5te";
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};
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};
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sheevaplug = {
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linux-kernel = {
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name = "sheevaplug";
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baseConfig = "multi_v5_defconfig";
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autoModules = false;
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extraConfig = ''
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BLK_DEV_RAM y
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BLK_DEV_INITRD y
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BLK_DEV_CRYPTOLOOP m
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BLK_DEV_DM m
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DM_CRYPT m
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MD y
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REISERFS_FS m
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BTRFS_FS m
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XFS_FS m
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JFS_FS m
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EXT4_FS m
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USB_STORAGE_CYPRESS_ATACB m
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# mv cesa requires this sw fallback, for mv-sha1
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CRYPTO_SHA1 y
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# Fast crypto
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CRYPTO_TWOFISH y
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CRYPTO_TWOFISH_COMMON y
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CRYPTO_BLOWFISH y
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CRYPTO_BLOWFISH_COMMON y
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IP_PNP y
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IP_PNP_DHCP y
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NFS_FS y
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ROOT_NFS y
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TUN m
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NFS_V4 y
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NFS_V4_1 y
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NFS_FSCACHE y
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NFSD m
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NFSD_V2_ACL y
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NFSD_V3 y
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NFSD_V3_ACL y
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NFSD_V4 y
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NETFILTER y
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IP_NF_IPTABLES y
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IP_NF_FILTER y
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IP_NF_MATCH_ADDRTYPE y
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IP_NF_TARGET_LOG y
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IP_NF_MANGLE y
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IPV6 m
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VLAN_8021Q m
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CIFS y
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CIFS_XATTR y
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CIFS_POSIX y
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CIFS_FSCACHE y
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CIFS_ACL y
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WATCHDOG y
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WATCHDOG_CORE y
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ORION_WATCHDOG m
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ZRAM m
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NETCONSOLE m
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# Disable OABI to have seccomp_filter (required for systemd)
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# https://github.com/raspberrypi/firmware/issues/651
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OABI_COMPAT n
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# Fail to build
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DRM n
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SCSI_ADVANSYS n
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USB_ISP1362_HCD n
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SND_SOC n
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SND_ALI5451 n
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FB_SAVAGE n
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SCSI_NSP32 n
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ATA_SFF n
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SUNGEM n
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IRDA n
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ATM_HE n
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SCSI_ACARD n
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BLK_DEV_CMD640_ENHANCED n
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FUSE_FS m
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# systemd uses cgroups
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CGROUPS y
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# Latencytop
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LATENCYTOP y
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# Ubi for the mtd
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MTD_UBI y
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UBIFS_FS y
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UBIFS_FS_XATTR y
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UBIFS_FS_ADVANCED_COMPR y
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UBIFS_FS_LZO y
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UBIFS_FS_ZLIB y
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UBIFS_FS_DEBUG n
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# Kdb, for kernel troubles
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KGDB y
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KGDB_SERIAL_CONSOLE y
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KGDB_KDB y
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'';
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makeFlags = [ "LOADADDR=0x0200000" ];
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target = "uImage";
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DTB = true; # Beyond 3.10
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};
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gcc = {
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arch = "armv5te";
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};
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};
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raspberrypi = {
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linux-kernel = {
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name = "raspberrypi";
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baseConfig = "bcm2835_defconfig";
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DTB = true;
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autoModules = true;
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preferBuiltin = true;
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extraConfig = ''
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# Disable OABI to have seccomp_filter (required for systemd)
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# https://github.com/raspberrypi/firmware/issues/651
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OABI_COMPAT n
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'';
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target = "zImage";
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};
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gcc = {
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arch = "armv6";
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fpu = "vfp";
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};
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};
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# Legacy attribute, for compatibility with existing configs only.
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raspberrypi2 = armv7l-hf-multiplatform;
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zero-gravitas = {
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linux-kernel = {
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name = "zero-gravitas";
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baseConfig = "zero-gravitas_defconfig";
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# Target verified by checking /boot on reMarkable 1 device
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target = "zImage";
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autoModules = false;
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DTB = true;
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};
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gcc = {
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fpu = "neon";
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cpu = "cortex-a9";
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};
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};
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zero-sugar = {
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linux-kernel = {
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name = "zero-sugar";
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baseConfig = "zero-sugar_defconfig";
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DTB = true;
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autoModules = false;
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preferBuiltin = true;
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target = "zImage";
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};
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gcc = {
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cpu = "cortex-a7";
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fpu = "neon-vfpv4";
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float-abi = "hard";
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};
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};
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scaleway-c1 = lib.recursiveUpdate armv7l-hf-multiplatform {
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gcc = {
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cpu = "cortex-a9";
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fpu = "vfpv3";
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};
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};
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utilite = {
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linux-kernel = {
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name = "utilite";
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maseConfig = "multi_v7_defconfig";
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autoModules = false;
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extraConfig = ''
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# Ubi for the mtd
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MTD_UBI y
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UBIFS_FS y
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UBIFS_FS_XATTR y
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UBIFS_FS_ADVANCED_COMPR y
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UBIFS_FS_LZO y
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UBIFS_FS_ZLIB y
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UBIFS_FS_DEBUG n
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'';
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makeFlags = [ "LOADADDR=0x10800000" ];
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target = "uImage";
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DTB = true;
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};
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gcc = {
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cpu = "cortex-a9";
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fpu = "neon";
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};
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};
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guruplug = lib.recursiveUpdate sheevaplug {
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# Define `CONFIG_MACH_GURUPLUG' (see
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# <http://kerneltrap.org/mailarchive/git-commits-head/2010/5/19/33618>)
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# and other GuruPlug-specific things. Requires the `guruplug-defconfig'
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# patch.
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linux-kernel.baseConfig = "guruplug_defconfig";
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};
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beaglebone = lib.recursiveUpdate armv7l-hf-multiplatform {
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linux-kernel = {
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name = "beaglebone";
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baseConfig = "bb.org_defconfig";
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autoModules = false;
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extraConfig = ""; # TBD kernel config
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target = "zImage";
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};
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};
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# https://developer.android.com/ndk/guides/abis#v7a
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armv7a-android = {
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linux-kernel.name = "armeabi-v7a";
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gcc = {
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arch = "armv7-a";
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float-abi = "softfp";
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fpu = "vfpv3-d16";
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};
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};
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armv7l-hf-multiplatform = {
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linux-kernel = {
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name = "armv7l-hf-multiplatform";
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Major = "2.6"; # Using "2.6" enables 2.6 kernel syscalls in glibc.
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baseConfig = "multi_v7_defconfig";
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DTB = true;
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autoModules = true;
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preferBuiltin = true;
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target = "zImage";
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extraConfig = ''
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# Serial port for Raspberry Pi 3. Wasn't included in ARMv7 defconfig
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# until 4.17.
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SERIAL_8250_BCM2835AUX y
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SERIAL_8250_EXTENDED y
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SERIAL_8250_SHARE_IRQ y
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# Hangs ODROID-XU4
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ARM_BIG_LITTLE_CPUIDLE n
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# Disable OABI to have seccomp_filter (required for systemd)
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# https://github.com/raspberrypi/firmware/issues/651
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OABI_COMPAT n
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'';
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};
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gcc = {
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# Some table about fpu flags:
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# http://community.arm.com/servlet/JiveServlet/showImage/38-1981-3827/blogentry-103749-004812900+1365712953_thumb.png
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# Cortex-A5: -mfpu=neon-fp16
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# Cortex-A7 (rpi2): -mfpu=neon-vfpv4
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# Cortex-A8 (beaglebone): -mfpu=neon
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# Cortex-A9: -mfpu=neon-fp16
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# Cortex-A15: -mfpu=neon-vfpv4
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# More about FPU:
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# https://wiki.debian.org/ArmHardFloatPort/VfpComparison
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# vfpv3-d16 is what Debian uses and seems to be the best compromise: NEON is not supported in e.g. Scaleway or Tegra 2,
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# and the above page suggests NEON is only an improvement with hand-written assembly.
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arch = "armv7-a";
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fpu = "vfpv3-d16";
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# For Raspberry Pi the 2 the best would be:
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# cpu = "cortex-a7";
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# fpu = "neon-vfpv4";
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};
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};
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aarch64-multiplatform = {
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linux-kernel = {
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name = "aarch64-multiplatform";
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baseConfig = "defconfig";
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DTB = true;
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autoModules = true;
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preferBuiltin = true;
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extraConfig = ''
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# Raspberry Pi 3 stuff. Not needed for s >= 4.10.
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ARCH_BCM2835 y
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BCM2835_MBOX y
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BCM2835_WDT y
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RASPBERRYPI_FIRMWARE y
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RASPBERRYPI_POWER y
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SERIAL_8250_BCM2835AUX y
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SERIAL_8250_EXTENDED y
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SERIAL_8250_SHARE_IRQ y
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# Cavium ThunderX stuff.
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PCI_HOST_THUNDER_ECAM y
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# Nvidia Tegra stuff.
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PCI_TEGRA y
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# The default (=y) forces us to have the XHCI firmware available in initrd,
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# which our initrd builder can't currently do easily.
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USB_XHCI_TEGRA m
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'';
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target = "Image";
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};
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gcc = {
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arch = "armv8-a";
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};
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};
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apple-m1 = {
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gcc = {
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arch = "armv8.3-a+crypto+sha2+aes+crc+fp16+lse+simd+ras+rdm+rcpc";
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cpu = "apple-a13";
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};
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};
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##
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## MIPS
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##
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ben_nanonote = {
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linux-kernel = {
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name = "ben_nanonote";
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};
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gcc = {
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arch = "mips32";
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float = "soft";
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};
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};
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fuloong2f_n32 = {
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linux-kernel = {
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name = "fuloong2f_n32";
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baseConfig = "lemote2f_defconfig";
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autoModules = false;
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extraConfig = ''
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MIGRATION n
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COMPACTION n
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# nixos mounts some cgroup
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CGROUPS y
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BLK_DEV_RAM y
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BLK_DEV_INITRD y
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BLK_DEV_CRYPTOLOOP m
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BLK_DEV_DM m
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DM_CRYPT m
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MD y
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REISERFS_FS m
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EXT4_FS m
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USB_STORAGE_CYPRESS_ATACB m
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IP_PNP y
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IP_PNP_DHCP y
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IP_PNP_BOOTP y
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NFS_FS y
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ROOT_NFS y
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TUN m
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NFS_V4 y
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NFS_V4_1 y
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NFS_FSCACHE y
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NFSD m
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NFSD_V2_ACL y
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NFSD_V3 y
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NFSD_V3_ACL y
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NFSD_V4 y
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# Fail to build
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DRM n
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SCSI_ADVANSYS n
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USB_ISP1362_HCD n
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SND_SOC n
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SND_ALI5451 n
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FB_SAVAGE n
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SCSI_NSP32 n
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ATA_SFF n
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SUNGEM n
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IRDA n
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ATM_HE n
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SCSI_ACARD n
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BLK_DEV_CMD640_ENHANCED n
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FUSE_FS m
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# Needed for udev >= 150
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SYSFS_DEPRECATED_V2 n
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VGA_CONSOLE n
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VT_HW_CONSOLE_BINDING y
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SERIAL_8250_CONSOLE y
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FRAMEBUFFER_CONSOLE y
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EXT2_FS y
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EXT3_FS y
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REISERFS_FS y
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MAGIC_SYSRQ y
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# The kernel doesn't boot at all, with FTRACE
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FTRACE n
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'';
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target = "vmlinux";
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};
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gcc = {
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arch = "loongson2f";
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float = "hard";
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abi = "n32";
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};
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};
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##
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## Other
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##
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riscv-multiplatform = {
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linux-kernel = {
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name = "riscv-multiplatform";
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target = "Image";
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autoModules = true;
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baseConfig = "defconfig";
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DTB = true;
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extraConfig = ''
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SERIAL_OF_PLATFORM y
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'';
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};
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};
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select = platform:
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# x86
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/**/ if platform.isx86 then pc
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# ARM
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else if platform.isAarch32 then let
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version = platform.parsed.cpu.version or null;
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in if version == null then pc
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else if lib.versionOlder version "6" then sheevaplug
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else if lib.versionOlder version "7" then raspberrypi
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else armv7l-hf-multiplatform
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else if platform.isAarch64 then
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if platform.isDarwin then apple-m1
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else aarch64-multiplatform
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else if platform.isRiscV then riscv-multiplatform
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else if platform.parsed.cpu == lib.systems.parse.cpuTypes.mipsel then fuloong2f_n32
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else if platform.parsed.cpu == lib.systems.parse.cpuTypes.powerpc64le then powernv
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else pc;
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}
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