nixos-riscv/overlay.nix

80 lines
2.4 KiB
Nix
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

final: prev:
# Changes to packages from nixpkgs
{
opensbi = prev.opensbi.overrideAttrs (old: {
makeFlags = old.makeFlags ++ [
# Build OpenSBI without compressed instructions
"PLATFORM_RISCV_ISA=rv64g"
# Check with: riscv64-unknown-elf-objdump -d -M no-aliases rotate
];
});
# Fix GCC 13 format-overflow warning/error:
# ../src/shared/install.c:444:64: error: %s directive argument is null [-Werror=format-overflow=]
# 444 | err = log_error_errno(changes[i].type, "Failed to %s unit, unit %s does not exist.",
# | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
systemd = prev.systemd.overrideAttrs (old: {
CFLAGS = "-Wno-error=format-overflow";
});
qemu = prev.qemu.override { rutabagaSupport = false; };
uboot-custom = prev.ubootQemuRiscv64Smode.override {
# Override preboot to set 'bootcmd' directly to the kernel address in RAM
extraConfig = ''
CONFIG_PREBOOT="setenv fdt_addr ''${fdtcontroladdr}; fdt addr ''${fdtcontroladdr}; setenv bootcmd booti ''${kernel_addr_r} - ''${fdtcontroladdr};"
CONFIG_RISCV_ISA_C=n
'';
# Also include debug u-boot
filesToInstall = ["u-boot.bin" "u-boot"];
};
opensbi-uboot = prev.opensbi.overrideAttrs (old: {
makeFlags = old.makeFlags ++ [
# Build OpenSBI without compressed instructions
"PLATFORM_RISCV_ISA=rv64g"
# Check with: riscv64-unknown-elf-objdump -d -M no-aliases rotate
"FW_PAYLOAD_PATH=${final.uboot-custom}/u-boot.bin"
];
});
linuxPackagesCustom = prev.linuxPackagesFor (prev.linux.override {
structuredExtraConfig = with prev.lib.kernel; {
KEXEC = yes;
SERIAL_8250_DW = yes;
PINCTRL_STARFIVE = yes;
# Doesn't build as a module
DW_AXI_DMAC_STARFIVE = yes;
# stmmac hangs when built as a module
#PTP_1588_CLOCK = yes;
#STMMAC_ETH = yes;
#STMMAC_PCI = yes;
# For qemu
BLOCK = yes;
BLK_DEV = yes;
DEVTMPFS = yes;
VIRTIO_MENU = yes;
VIRTIO_BLK = yes;
# For 9P: https://wiki.qemu.org/Documentation/9psetup
NET_9P = yes;
NET_9P_VIRTIO = yes;
NET_9P_DEBUG = yes;
"9P_FS" = yes;
"9P_FS_POSIX_ACL" = yes;
PCI = yes;
VIRTIO_PCI = yes;
PCI_HOST_GENERIC = yes;
RISCV_ISA_C = no;
NONPORTABLE = yes;
EFI = no;
};
});
}