From 22277893923cdf26004d83b608b7e1c3ca7030fb Mon Sep 17 00:00:00 2001 From: John Ericson Date: Wed, 8 Feb 2017 21:27:22 -0500 Subject: lib: Collect system/platform related files Previously, platforms was a random thing in top-level --- lib/default.nix | 9 +- lib/platforms.nix | 24 --- lib/systems.nix | 126 ------------ lib/systems/default.nix | 5 + lib/systems/doubles.nix | 24 +++ lib/systems/parse.nix | 126 ++++++++++++ lib/systems/platforms.nix | 486 ++++++++++++++++++++++++++++++++++++++++++++++ 7 files changed, 646 insertions(+), 154 deletions(-) delete mode 100644 lib/platforms.nix delete mode 100644 lib/systems.nix create mode 100644 lib/systems/default.nix create mode 100644 lib/systems/doubles.nix create mode 100644 lib/systems/parse.nix create mode 100644 lib/systems/platforms.nix (limited to 'lib') diff --git a/lib/default.nix b/lib/default.nix index 09a64f754d8f..9dfaa46ec3b2 100644 --- a/lib/default.nix +++ b/lib/default.nix @@ -22,8 +22,7 @@ let # constants licenses = import ./licenses.nix; - platforms = import ./platforms.nix; - systems = import ./systems.nix; + systems = import ./systems; # misc debug = import ./debug.nix; @@ -42,13 +41,15 @@ in attrsets lists strings stringsWithDeps customisation maintainers meta sources modules options types - licenses platforms systems + licenses systems debug generators misc sandbox fetchers filesystem; + + # back-compat aliases + platforms = systems.doubles; } # !!! don't include everything at top-level; perhaps only the most # commonly used functions. // trivial // lists // strings // stringsWithDeps // attrsets // sources // options // types // meta // debug // misc // modules - // systems // customisation diff --git a/lib/platforms.nix b/lib/platforms.nix deleted file mode 100644 index 6b56e1734ad6..000000000000 --- a/lib/platforms.nix +++ /dev/null @@ -1,24 +0,0 @@ -let lists = import ./lists.nix; in - -rec { - all = linux ++ darwin ++ cygwin ++ freebsd ++ openbsd ++ netbsd ++ illumos; - allBut = platforms: lists.filter (x: !(builtins.elem x platforms)) all; - none = []; - - arm = ["armv5tel-linux" "armv6l-linux" "armv7l-linux" ]; - i686 = ["i686-linux" "i686-freebsd" "i686-netbsd" "i686-cygwin"]; - mips = [ "mips64el-linux" ]; - x86_64 = ["x86_64-linux" "x86_64-darwin" "x86_64-freebsd" "x86_64-openbsd" "x86_64-netbsd" "x86_64-cygwin"]; - - cygwin = ["i686-cygwin" "x86_64-cygwin"]; - darwin = ["x86_64-darwin"]; - freebsd = ["i686-freebsd" "x86_64-freebsd"]; - gnu = linux; /* ++ hurd ++ kfreebsd ++ ... */ - illumos = ["x86_64-solaris"]; - linux = ["i686-linux" "x86_64-linux" "armv5tel-linux" "armv6l-linux" "armv7l-linux" "aarch64-linux" "mips64el-linux"]; - netbsd = ["i686-netbsd" "x86_64-netbsd"]; - openbsd = ["i686-openbsd" "x86_64-openbsd"]; - unix = linux ++ darwin ++ freebsd ++ openbsd ++ netbsd ++ illumos; - - mesaPlatforms = ["i686-linux" "x86_64-linux" "x86_64-darwin" "armv5tel-linux" "armv6l-linux" "armv7l-linux" "aarch64-linux"]; -} diff --git a/lib/systems.nix b/lib/systems.nix deleted file mode 100644 index 92d8bdf892b4..000000000000 --- a/lib/systems.nix +++ /dev/null @@ -1,126 +0,0 @@ -# Define the list of system with their properties. Only systems tested for -# Nixpkgs are listed below - -with import ./lists.nix; -with import ./types.nix; -with import ./attrsets.nix; - -let - lib = import ./default.nix; - setTypes = type: - mapAttrs (name: value: - setType type ({inherit name;} // value) - ); -in - -rec { - - isSignificantByte = isType "significant-byte"; - significantBytes = setTypes "significant-byte" { - bigEndian = {}; - littleEndian = {}; - }; - - - isCpuType = x: isType "cpu-type" x - && elem x.bits [8 16 32 64 128] - && (8 < x.bits -> isSignificantByte x.significantByte); - - cpuTypes = with significantBytes; - setTypes "cpu-type" { - arm = { bits = 32; significantByte = littleEndian; }; - armv5tel = { bits = 32; significantByte = littleEndian; }; - armv7l = { bits = 32; significantByte = littleEndian; }; - i686 = { bits = 32; significantByte = littleEndian; }; - powerpc = { bits = 32; significantByte = bigEndian; }; - x86_64 = { bits = 64; significantByte = littleEndian; }; - }; - - - isExecFormat = isType "exec-format"; - execFormats = setTypes "exec-format" { - aout = {}; # a.out - elf = {}; - macho = {}; - pe = {}; - unknow = {}; - }; - - - isKernel = isType "kernel"; - kernels = with execFormats; - setTypes "kernel" { - cygwin = { execFormat = pe; }; - darwin = { execFormat = macho; }; - freebsd = { execFormat = elf; }; - linux = { execFormat = elf; }; - netbsd = { execFormat = elf; }; - none = { execFormat = unknow; }; - openbsd = { execFormat = elf; }; - win32 = { execFormat = pe; }; - }; - - - isArchitecture = isType "architecture"; - architectures = setTypes "architecture" { - apple = {}; - pc = {}; - unknow = {}; - }; - - - isSystem = x: isType "system" x - && isCpuType x.cpu - && isArchitecture x.arch - && isKernel x.kernel; - - mkSystem = { - cpu ? cpuTypes.i686, - arch ? architectures.pc, - kernel ? kernels.linux, - name ? "${cpu.name}-${arch.name}-${kernel.name}" - }: setType "system" { - inherit name cpu arch kernel; - }; - - - is64Bit = matchAttrs { cpu = { bits = 64; }; }; - isDarwin = matchAttrs { kernel = kernels.darwin; }; - isi686 = matchAttrs { cpu = cpuTypes.i686; }; - isLinux = matchAttrs { kernel = kernels.linux; }; - - - # This should revert the job done by config.guess from the gcc compiler. - mkSystemFromString = s: let - l = lib.splitString "-" s; - - getCpu = name: - attrByPath [name] (throw "Unknow cpuType `${name}'.") - cpuTypes; - getArch = name: - attrByPath [name] (throw "Unknow architecture `${name}'.") - architectures; - getKernel = name: - attrByPath [name] (throw "Unknow kernel `${name}'.") - kernels; - - system = - if builtins.length l == 2 then - mkSystem rec { - name = s; - cpu = getCpu (head l); - arch = - if isDarwin system - then architectures.apple - else architectures.pc; - kernel = getKernel (head (tail l)); - } - else - mkSystem { - name = s; - cpu = getCpu (head l); - arch = getArch (head (tail l)); - kernel = getKernel (head (tail (tail l))); - }; - in assert isSystem system; system; -} diff --git a/lib/systems/default.nix b/lib/systems/default.nix new file mode 100644 index 000000000000..70d431837daa --- /dev/null +++ b/lib/systems/default.nix @@ -0,0 +1,5 @@ +rec { + doubles = import ./doubles.nix; + parse = import ./parse.nix; + platforms = import ./platforms.nix; +} diff --git a/lib/systems/doubles.nix b/lib/systems/doubles.nix new file mode 100644 index 000000000000..945147fe7cfb --- /dev/null +++ b/lib/systems/doubles.nix @@ -0,0 +1,24 @@ +let lists = import ../lists.nix; in + +rec { + all = linux ++ darwin ++ cygwin ++ freebsd ++ openbsd ++ netbsd ++ illumos; + allBut = platforms: lists.filter (x: !(builtins.elem x platforms)) all; + none = []; + + arm = ["armv5tel-linux" "armv6l-linux" "armv7l-linux" ]; + i686 = ["i686-linux" "i686-freebsd" "i686-netbsd" "i686-cygwin"]; + mips = [ "mips64el-linux" ]; + x86_64 = ["x86_64-linux" "x86_64-darwin" "x86_64-freebsd" "x86_64-openbsd" "x86_64-netbsd" "x86_64-cygwin"]; + + cygwin = ["i686-cygwin" "x86_64-cygwin"]; + darwin = ["x86_64-darwin"]; + freebsd = ["i686-freebsd" "x86_64-freebsd"]; + gnu = linux; /* ++ hurd ++ kfreebsd ++ ... */ + illumos = ["x86_64-solaris"]; + linux = ["i686-linux" "x86_64-linux" "armv5tel-linux" "armv6l-linux" "armv7l-linux" "aarch64-linux" "mips64el-linux"]; + netbsd = ["i686-netbsd" "x86_64-netbsd"]; + openbsd = ["i686-openbsd" "x86_64-openbsd"]; + unix = linux ++ darwin ++ freebsd ++ openbsd ++ netbsd ++ illumos; + + mesaPlatforms = ["i686-linux" "x86_64-linux" "x86_64-darwin" "armv5tel-linux" "armv6l-linux" "armv7l-linux" "aarch64-linux"]; +} diff --git a/lib/systems/parse.nix b/lib/systems/parse.nix new file mode 100644 index 000000000000..410995f8a5d7 --- /dev/null +++ b/lib/systems/parse.nix @@ -0,0 +1,126 @@ +# Define the list of system with their properties. Only systems tested for +# Nixpkgs are listed below + +with import ../lists.nix; +with import ../types.nix; +with import ../attrsets.nix; + +let + lib = import ./default.nix; + setTypes = type: + mapAttrs (name: value: + setType type ({inherit name;} // value) + ); +in + +rec { + + isSignificantByte = isType "significant-byte"; + significantBytes = setTypes "significant-byte" { + bigEndian = {}; + littleEndian = {}; + }; + + + isCpuType = x: isType "cpu-type" x + && elem x.bits [8 16 32 64 128] + && (8 < x.bits -> isSignificantByte x.significantByte); + + cpuTypes = with significantBytes; + setTypes "cpu-type" { + arm = { bits = 32; significantByte = littleEndian; }; + armv5tel = { bits = 32; significantByte = littleEndian; }; + armv7l = { bits = 32; significantByte = littleEndian; }; + i686 = { bits = 32; significantByte = littleEndian; }; + powerpc = { bits = 32; significantByte = bigEndian; }; + x86_64 = { bits = 64; significantByte = littleEndian; }; + }; + + + isExecFormat = isType "exec-format"; + execFormats = setTypes "exec-format" { + aout = {}; # a.out + elf = {}; + macho = {}; + pe = {}; + unknow = {}; + }; + + + isKernel = isType "kernel"; + kernels = with execFormats; + setTypes "kernel" { + cygwin = { execFormat = pe; }; + darwin = { execFormat = macho; }; + freebsd = { execFormat = elf; }; + linux = { execFormat = elf; }; + netbsd = { execFormat = elf; }; + none = { execFormat = unknow; }; + openbsd = { execFormat = elf; }; + win32 = { execFormat = pe; }; + }; + + + isArchitecture = isType "architecture"; + architectures = setTypes "architecture" { + apple = {}; + pc = {}; + unknow = {}; + }; + + + isSystem = x: isType "system" x + && isCpuType x.cpu + && isArchitecture x.arch + && isKernel x.kernel; + + mkSystem = { + cpu ? cpuTypes.i686, + arch ? architectures.pc, + kernel ? kernels.linux, + name ? "${cpu.name}-${arch.name}-${kernel.name}" + }: setType "system" { + inherit name cpu arch kernel; + }; + + + is64Bit = matchAttrs { cpu = { bits = 64; }; }; + isDarwin = matchAttrs { kernel = kernels.darwin; }; + isi686 = matchAttrs { cpu = cpuTypes.i686; }; + isLinux = matchAttrs { kernel = kernels.linux; }; + + + # This should revert the job done by config.guess from the gcc compiler. + mkSystemFromString = s: let + l = lib.splitString "-" s; + + getCpu = name: + attrByPath [name] (throw "Unknow cpuType `${name}'.") + cpuTypes; + getArch = name: + attrByPath [name] (throw "Unknow architecture `${name}'.") + architectures; + getKernel = name: + attrByPath [name] (throw "Unknow kernel `${name}'.") + kernels; + + system = + if builtins.length l == 2 then + mkSystem rec { + name = s; + cpu = getCpu (head l); + arch = + if isDarwin system + then architectures.apple + else architectures.pc; + kernel = getKernel (head (tail l)); + } + else + mkSystem { + name = s; + cpu = getCpu (head l); + arch = getArch (head (tail l)); + kernel = getKernel (head (tail (tail l))); + }; + in assert isSystem system; system; +} diff --git a/lib/systems/platforms.nix b/lib/systems/platforms.nix new file mode 100644 index 000000000000..665950766f7e --- /dev/null +++ b/lib/systems/platforms.nix @@ -0,0 +1,486 @@ +rec { + pcBase = { + name = "pc"; + uboot = null; + kernelHeadersBaseConfig = "defconfig"; + kernelBaseConfig = "defconfig"; + # Build whatever possible as a module, if not stated in the extra config. + kernelAutoModules = true; + kernelTarget = "bzImage"; + }; + + pc64 = pcBase // { kernelArch = "x86_64"; }; + + pc32 = pcBase // { kernelArch = "i386"; }; + + pc32_simplekernel = pc32 // { + kernelAutoModules = false; + }; + + pc64_simplekernel = pc64 // { + kernelAutoModules = false; + }; + + sheevaplug = { + name = "sheevaplug"; + kernelMajor = "2.6"; + kernelHeadersBaseConfig = "multi_v5_defconfig"; + kernelBaseConfig = "multi_v5_defconfig"; + kernelArch = "arm"; + kernelAutoModules = false; + kernelExtraConfig = '' + BLK_DEV_RAM y + BLK_DEV_INITRD y + BLK_DEV_CRYPTOLOOP m + BLK_DEV_DM m + DM_CRYPT m + MD y + REISERFS_FS m + BTRFS_FS m + XFS_FS m + JFS_FS m + EXT4_FS m + USB_STORAGE_CYPRESS_ATACB m + + # mv cesa requires this sw fallback, for mv-sha1 + CRYPTO_SHA1 y + # Fast crypto + CRYPTO_TWOFISH y + CRYPTO_TWOFISH_COMMON y + CRYPTO_BLOWFISH y + CRYPTO_BLOWFISH_COMMON y + + IP_PNP y + IP_PNP_DHCP y + NFS_FS y + ROOT_NFS y + TUN m + NFS_V4 y + NFS_V4_1 y + NFS_FSCACHE y + NFSD m + NFSD_V2_ACL y + NFSD_V3 y + NFSD_V3_ACL y + NFSD_V4 y + NETFILTER y + IP_NF_IPTABLES y + IP_NF_FILTER y + IP_NF_MATCH_ADDRTYPE y + IP_NF_TARGET_LOG y + IP_NF_MANGLE y + IPV6 m + VLAN_8021Q m + + CIFS y + CIFS_XATTR y + CIFS_POSIX y + CIFS_FSCACHE y + CIFS_ACL y + + WATCHDOG y + WATCHDOG_CORE y + ORION_WATCHDOG m + + ZRAM m + NETCONSOLE m + + # Disable OABI to have seccomp_filter (required for systemd) + # https://github.com/raspberrypi/firmware/issues/651 + OABI_COMPAT n + + # Fail to build + DRM n + SCSI_ADVANSYS n + USB_ISP1362_HCD n + SND_SOC n + SND_ALI5451 n + FB_SAVAGE n + SCSI_NSP32 n + ATA_SFF n + SUNGEM n + IRDA n + ATM_HE n + SCSI_ACARD n + BLK_DEV_CMD640_ENHANCED n + + FUSE_FS m + + # systemd uses cgroups + CGROUPS y + + # Latencytop + LATENCYTOP y + + # Ubi for the mtd + MTD_UBI y + UBIFS_FS y + UBIFS_FS_XATTR y + UBIFS_FS_ADVANCED_COMPR y + UBIFS_FS_LZO y + UBIFS_FS_ZLIB y + UBIFS_FS_DEBUG n + + # Kdb, for kernel troubles + KGDB y + KGDB_SERIAL_CONSOLE y + KGDB_KDB y + ''; + kernelMakeFlags = [ "LOADADDR=0x0200000" ]; + kernelTarget = "uImage"; + uboot = "sheevaplug"; + # Only for uboot = uboot : + ubootConfig = "sheevaplug_config"; + kernelDTB = true; # Beyond 3.10 + gcc = { + arch = "armv5te"; + float = "soft"; + }; + }; + + raspberrypi = { + name = "raspberrypi"; + kernelMajor = "2.6"; + kernelHeadersBaseConfig = "bcm2835_defconfig"; + kernelBaseConfig = "bcmrpi_defconfig"; + kernelDTB = true; + kernelArch = "arm"; + kernelAutoModules = false; + kernelExtraConfig = '' + BLK_DEV_RAM y + BLK_DEV_INITRD y + BLK_DEV_CRYPTOLOOP m + BLK_DEV_DM m + DM_CRYPT m + MD y + REISERFS_FS m + BTRFS_FS y + XFS_FS m + JFS_FS y + EXT4_FS y + + IP_PNP y + IP_PNP_DHCP y + NFS_FS y + ROOT_NFS y + TUN m + NFS_V4 y + NFS_V4_1 y + NFS_FSCACHE y + NFSD m + NFSD_V2_ACL y + NFSD_V3 y + NFSD_V3_ACL y + NFSD_V4 y + NETFILTER y + IP_NF_IPTABLES y + IP_NF_FILTER y + IP_NF_MATCH_ADDRTYPE y + IP_NF_TARGET_LOG y + IP_NF_MANGLE y + IPV6 m + VLAN_8021Q m + + CIFS y + CIFS_XATTR y + CIFS_POSIX y + CIFS_FSCACHE y + CIFS_ACL y + + ZRAM m + + # Disable OABI to have seccomp_filter (required for systemd) + # https://github.com/raspberrypi/firmware/issues/651 + OABI_COMPAT n + + # Fail to build + DRM n + SCSI_ADVANSYS n + USB_ISP1362_HCD n + SND_SOC n + SND_ALI5451 n + FB_SAVAGE n + SCSI_NSP32 n + ATA_SFF n + SUNGEM n + IRDA n + ATM_HE n + SCSI_ACARD n + BLK_DEV_CMD640_ENHANCED n + + FUSE_FS m + + # nixos mounts some cgroup + CGROUPS y + + # Latencytop + LATENCYTOP y + ''; + kernelTarget = "zImage"; + uboot = null; + gcc = { + arch = "armv6"; + fpu = "vfp"; + float = "hard"; + }; + }; + + raspberrypi2 = armv7l-hf-multiplatform // { + name = "raspberrypi2"; + kernelBaseConfig = "bcm2709_defconfig"; + kernelDTB = true; + kernelAutoModules = false; + kernelExtraConfig = '' + BLK_DEV_RAM y + BLK_DEV_INITRD y + BLK_DEV_CRYPTOLOOP m + BLK_DEV_DM m + DM_CRYPT m + MD y + REISERFS_FS m + BTRFS_FS y + XFS_FS m + JFS_FS y + EXT4_FS y + + IP_PNP y + IP_PNP_DHCP y + NFS_FS y + ROOT_NFS y + TUN m + NFS_V4 y + NFS_V4_1 y + NFS_FSCACHE y + NFSD m + NFSD_V2_ACL y + NFSD_V3 y + NFSD_V3_ACL y + NFSD_V4 y + NETFILTER y + IP_NF_IPTABLES y + IP_NF_FILTER y + IP_NF_MATCH_ADDRTYPE y + IP_NF_TARGET_LOG y + IP_NF_MANGLE y + IPV6 m + VLAN_8021Q m + + CIFS y + CIFS_XATTR y + CIFS_POSIX y + CIFS_FSCACHE y + CIFS_ACL y + + ZRAM m + + # Disable OABI to have seccomp_filter (required for systemd) + # https://github.com/raspberrypi/firmware/issues/651 + OABI_COMPAT n + + # Fail to build + DRM n + SCSI_ADVANSYS n + USB_ISP1362_HCD n + SND_SOC n + SND_ALI5451 n + FB_SAVAGE n + SCSI_NSP32 n + ATA_SFF n + SUNGEM n + IRDA n + ATM_HE n + SCSI_ACARD n + BLK_DEV_CMD640_ENHANCED n + + FUSE_FS m + + # nixos mounts some cgroup + CGROUPS y + + # Latencytop + LATENCYTOP y + + # Disable the common config Xen, it doesn't build on ARM + XEN? n + ''; + kernelTarget = "zImage"; + uboot = null; + }; + + guruplug = sheevaplug // { + # Define `CONFIG_MACH_GURUPLUG' (see + # ) + # and other GuruPlug-specific things. Requires the `guruplug-defconfig' + # patch. + + kernelBaseConfig = "guruplug_defconfig"; + #kernelHeadersBaseConfig = "guruplug_defconfig"; + }; + + fuloong2f_n32 = { + name = "fuloong2f_n32"; + kernelMajor = "2.6"; + kernelHeadersBaseConfig = "fuloong2e_defconfig"; + kernelBaseConfig = "lemote2f_defconfig"; + kernelArch = "mips"; + kernelAutoModules = false; + kernelExtraConfig = '' + MIGRATION n + COMPACTION n + + # nixos mounts some cgroup + CGROUPS y + + BLK_DEV_RAM y + BLK_DEV_INITRD y + BLK_DEV_CRYPTOLOOP m + BLK_DEV_DM m + DM_CRYPT m + MD y + REISERFS_FS m + EXT4_FS m + USB_STORAGE_CYPRESS_ATACB m + + IP_PNP y + IP_PNP_DHCP y + IP_PNP_BOOTP y + NFS_FS y + ROOT_NFS y + TUN m + NFS_V4 y + NFS_V4_1 y + NFS_FSCACHE y + NFSD m + NFSD_V2_ACL y + NFSD_V3 y + NFSD_V3_ACL y + NFSD_V4 y + + # Fail to build + DRM n + SCSI_ADVANSYS n + USB_ISP1362_HCD n + SND_SOC n + SND_ALI5451 n + FB_SAVAGE n + SCSI_NSP32 n + ATA_SFF n + SUNGEM n + IRDA n + ATM_HE n + SCSI_ACARD n + BLK_DEV_CMD640_ENHANCED n + + FUSE_FS m + + # Needed for udev >= 150 + SYSFS_DEPRECATED_V2 n + + VGA_CONSOLE n + VT_HW_CONSOLE_BINDING y + SERIAL_8250_CONSOLE y + FRAMEBUFFER_CONSOLE y + EXT2_FS y + EXT3_FS y + REISERFS_FS y + MAGIC_SYSRQ y + + # The kernel doesn't boot at all, with FTRACE + FTRACE n + ''; + kernelTarget = "vmlinux"; + uboot = null; + gcc.arch = "loongson2f"; + }; + + beaglebone = armv7l-hf-multiplatform // { + name = "beaglebone"; + kernelBaseConfig = "omap2plus_defconfig"; + kernelAutoModules = false; + kernelExtraConfig = ""; # TBD kernel config + kernelTarget = "zImage"; + uboot = null; + }; + + armv7l-hf-multiplatform = { + name = "armv7l-hf-multiplatform"; + kernelMajor = "2.6"; # Using "2.6" enables 2.6 kernel syscalls in glibc. + kernelHeadersBaseConfig = "multi_v7_defconfig"; + kernelBaseConfig = "multi_v7_defconfig"; + kernelArch = "arm"; + kernelDTB = true; + kernelAutoModules = true; + kernelPreferBuiltin = true; + uboot = null; + kernelTarget = "zImage"; + kernelExtraConfig = '' + # Fix broken sunxi-sid nvmem driver. + TI_CPTS y + + # Hangs ODROID-XU4 + ARM_BIG_LITTLE_CPUIDLE n + ''; + gcc = { + # Some table about fpu flags: + # http://community.arm.com/servlet/JiveServlet/showImage/38-1981-3827/blogentry-103749-004812900+1365712953_thumb.png + # Cortex-A5: -mfpu=neon-fp16 + # Cortex-A7 (rpi2): -mfpu=neon-vfpv4 + # Cortex-A8 (beaglebone): -mfpu=neon + # Cortex-A9: -mfpu=neon-fp16 + # Cortex-A15: -mfpu=neon-vfpv4 + + # More about FPU: + # https://wiki.debian.org/ArmHardFloatPort/VfpComparison + + # vfpv3-d16 is what Debian uses and seems to be the best compromise: NEON is not supported in e.g. Scaleway or Tegra 2, + # and the above page suggests NEON is only an improvement with hand-written assembly. + arch = "armv7-a"; + fpu = "vfpv3-d16"; + float = "hard"; + + # For Raspberry Pi the 2 the best would be: + # cpu = "cortex-a7"; + # fpu = "neon-vfpv4"; + }; + }; + + aarch64-multiplatform = { + name = "aarch64-multiplatform"; + kernelMajor = "2.6"; # Using "2.6" enables 2.6 kernel syscalls in glibc. + kernelHeadersBaseConfig = "defconfig"; + kernelBaseConfig = "defconfig"; + kernelArch = "arm64"; + kernelDTB = true; + kernelAutoModules = true; + kernelPreferBuiltin = true; + kernelExtraConfig = '' + # Raspberry Pi 3 stuff. Not needed for kernels >= 4.10. + ARCH_BCM2835 y + BCM2835_MBOX y + BCM2835_WDT y + RASPBERRYPI_FIRMWARE y + RASPBERRYPI_POWER y + SERIAL_8250_BCM2835AUX y + SERIAL_8250_EXTENDED y + SERIAL_8250_SHARE_IRQ y + + # Cavium ThunderX stuff. + PCI_HOST_THUNDER_ECAM y + ''; + uboot = null; + kernelTarget = "Image"; + gcc = { + arch = "armv8-a"; + }; + }; + + selectPlatformBySystem = system: { + "i686-linux" = pc32; + "x86_64-linux" = pc64; + "armv5tel-linux" = sheevaplug; + "armv6l-linux" = raspberrypi; + "armv7l-linux" = armv7l-hf-multiplatform; + "aarch64-linux" = aarch64-multiplatform; + "mips64el-linux" = fuloong2f_n32; + }.${system} or pcBase; +} -- cgit 1.4.1