Add U280 support back in the xocl driver

They removed U280 from the list of supported devices, but that doesn't
mean it is will stop working.

m/common/base/ssh.nix

@@ -8,13 +8,6 @@ in
   # Enable the OpenSSH daemon.
   services.openssh.enable = true;
 
-  # Connect to intranet git hosts via proxy
-  programs.ssh.extraConfig = ''
-    Host bscpm02.bsc.es bscpm03.bsc.es gitlab-internal.bsc.es alya.gitlab.bsc.es
-      User git
-      ProxyCommand nc -X connect -x hut:23080 %h %p
-  '';
-
   programs.ssh.knownHosts = hostsKeys // {
     "gitlab-internal.bsc.es".publicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIF9arsAOSRB06hdy71oTvJHG2Mg8zfebADxpvc37lZo3";
     "bscpm03.bsc.es".publicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIM2NuSUPsEhqz1j5b4Gqd+MWFnRqyqY57+xMvBUqHYUS";

m/common/base/users.nix

@@ -20,6 +20,7 @@
       rarias = {
         uid = 1880;
         isNormalUser = true;
+        linger = true;
         home = "/home/Computational/rarias";
         description = "Rodrigo Arias";
         group = "Computational";

m/common/xeon.nix

@@ -2,8 +2,9 @@
   # Provides the base system for a xeon node.
   imports = [
     ./base.nix
-    ./xeon/fs.nix
     ./xeon/console.nix
+    ./xeon/fs.nix
     ./xeon/net.nix
+    ./xeon/ssh.nix
   ];
 }

m/common/xeon/ssh.nix

@@ -0,0 +1,8 @@
+{
+  # Connect to intranet git hosts via proxy
+  programs.ssh.extraConfig = ''
+    Host bscpm02.bsc.es bscpm03.bsc.es gitlab-internal.bsc.es alya.gitlab.bsc.es
+      User git
+      ProxyCommand nc -X connect -x hut:23080 %h %p
+  '';
+}

m/raccoon/configuration.nix

@@ -32,6 +32,21 @@
   nixpkgs.config.nvidia.acceptLicense = true;
   services.xserver.videoDrivers = [ "nvidia" ];
 
+  services.openssh.settings.X11Forwarding = true;
+
+  nixpkgs.overlays = [
+    (final: prev: {
+      xilinx-xrt = prev.callPackage ./xilinx-xrt.nix { };
+      xilinx-xocl = prev.callPackage ./xilinx-xocl.nix {
+        kernel = config.boot.kernelPackages.kernel;
+      };
+    })
+  ];
+
+  boot.extraModulePackages = [ pkgs.xilinx-xocl ];
+  boot.kernelModules = [ "xclmgmt" "xocl" ];
+  services.udev.packages = [ pkgs.xilinx-xocl ];
+
   users.motd = ''
     ⠀⠀⠀⠀⠀⠀⠀⣀⣀⣄⣠⣀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
     ⠀⠀⠀⠀⠀⠀⢰⠇⡀⠀⠙⠻⡿⣦⣀⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⡀⠀⠀⠀⠀

m/raccoon/xilinx-xocl-depmod.patch

@@ -0,0 +1,27 @@
+--- a/driver/xocl/mgmtpf/Makefile	2025-02-20 15:59:28.379826176 +0100
++++ b/driver/xocl/mgmtpf/Makefile	2025-02-20 15:59:42.366892140 +0100
+@@ -119,10 +119,6 @@ all:
+ 
+ install: all
+ 	$(MAKE) -C $(KERNEL_SRC) M=$(PWD) modules_install
+-	depmod -a
+-	install -m 644 99-xclmgmt.rules /etc/udev/rules.d
+-	-rmmod -s xclmgmt || true
+-	-modprobe xclmgmt
+ 
+ clean:
+ 	rm -rf *.o *.o.d *.o.cmd *~ core .depend .*.cmd *.ko *.ko.unsigned \
+--- a/driver/xocl/userpf/Makefile	2025-02-20 16:03:20.751922522 +0100
++++ b/driver/xocl/userpf/Makefile	2025-02-20 16:03:35.377991553 +0100
+@@ -138,11 +138,6 @@ all:
+ 
+ install: all
+ 	$(MAKE) -C $(KERNEL_SRC) M=$(PWD) modules_install
+-	depmod -a
+-	install -m 644 99-xocl.rules /etc/udev/rules.d
+-	-rmmod -s xocl || true
+-	-rmmod -s xdma || true
+-	-modprobe xocl
+ 
+ clean:
+ 	rm -rf *.o *.o.d *~ core .depend .*.cmd *.ko *.ko.unsigned *.mod.c \

m/raccoon/xilinx-xocl.nix

@@ -0,0 +1,35 @@
+{
+  stdenv
+, lib
+, kernel
+, xilinx-xrt
+}:
+
+with lib;
+
+# See: https://iotlab.sdsu.edu/index.php/flash-base-image-on-xilinx-alveo-u280/
+
+stdenv.mkDerivation rec {
+  pname = "xilinx-xocl";
+  version = "2.19.0";
+  src = "${xilinx-xrt}/src/xrt-${version}";
+  dontStrip = true;
+  preBuild = ''
+    cd driver/xocl
+  '';
+  patches = [
+    ./xilinx-xocl-depmod.patch
+  ];
+  buildFlags = [ "KERNEL_SRC=${kernel.dev}/lib/modules/${kernel.modDirVersion}/build" ];
+  installFlags = [
+    "KERNEL_SRC=${kernel.dev}/lib/modules/${kernel.modDirVersion}/build"
+    "INSTALL_MOD_PATH=${placeholder "out"}"
+  ];
+  postInstall = ''
+    mkdir -p $out/etc/udev/rules.d
+    install -m 644 userpf/99-xocl.rules $out/etc/udev/rules.d
+    install -m 644 mgmtpf/99-xclmgmt.rules $out/etc/udev/rules.d
+  '';
+  nativeBuildInputs = kernel.moduleBuildDependencies;
+  hardeningDisable = [ "all" ];
+}

m/raccoon/xilinx-xrt-aiebu.patch

@@ -0,0 +1,25 @@
+--- a/src/runtime_src/core/common/aiebu/src/cpp/aiebu/utils/asm/CMakeLists.txt
++++ b/src/runtime_src/core/common/aiebu/src/cpp/aiebu/utils/asm/CMakeLists.txt
+@@ -23,8 +23,6 @@ add_executable(aiebu-asm $<TARGET_OBJECTS:aiebu_asm_objects>)
+ target_link_libraries(aiebu-asm PRIVATE aiebu_static)
+
+ if (${CMAKE_SYSTEM_NAME} STREQUAL "Linux")
+-  target_link_options(aiebu-asm PRIVATE "-static")
+-  set_target_properties(aiebu-asm PROPERTIES INSTALL_RPATH "" BUILD_RPATH "")
+
+   # Create a dynamically linked executable. aiebu-asm-dyn, on Linux for running
+   # valgrind, etc. This binary is not released for deployment but only used for
+@@ -35,13 +33,6 @@ if (${CMAKE_SYSTEM_NAME} STREQUAL "Linux")
+   target_link_libraries(aiebu-asm-dyn PRIVATE aiebu_static)
+ endif()
+
+-# This custom target fails if aiebu-asm has any dynamic dependencies
+-add_custom_target(check_dynamic_deps ALL
+-  COMMAND ${CMAKE_COMMAND} -E echo "Checking for dynamic dependencies ..."
+-  COMMAND ${CMAKE_COMMAND} -P "${AIEBU_SOURCE_DIR}/cmake/depends.cmake" $<TARGET_FILE:aiebu-asm> aiebu-asm_depends.txt
+-  DEPENDS aiebu-asm
+-  )
+-
+ install(TARGETS aiebu-asm
+   RUNTIME DESTINATION ${AIEBU_INSTALL_BIN_DIR}
+   CONFIGURATIONS Debug Release COMPONENT Runtime

m/raccoon/xilinx-xrt-icd.patch

@@ -0,0 +1,13 @@
+diff --git a/src/CMake/icd.cmake b/src/CMake/icd.cmake
+index 255a2e3d8..460a6d4c7 100644
+--- a/src/CMake/icd.cmake
++++ b/src/CMake/icd.cmake
+@@ -10,7 +10,7 @@ configure_file (
+   ${ICD_FILE_NAME}
+   )
+ 
+-set(OCL_ICD_INSTALL_PREFIX "/etc/OpenCL/vendors")
++set(OCL_ICD_INSTALL_PREFIX "${CMAKE_INSTALL_PREFIX}/etc/OpenCL/vendors")
+ 
+ install (FILES ${CMAKE_CURRENT_BINARY_DIR}/${ICD_FILE_NAME}
+   DESTINATION ${OCL_ICD_INSTALL_PREFIX}

m/raccoon/xilinx-xrt-u280-support.patch

@@ -0,0 +1,204 @@
+From 6f64871f2e679ad5d3b140c8a2732edaae2dcf6a Mon Sep 17 00:00:00 2001
+From: Rodrigo Arias Mallo <rodrigo.arias@bsc.es>
+Date: Thu, 20 Feb 2025 18:49:54 +0100
+Subject: [PATCH] Revert "Removed support for u50lv, u55n and u280 platforms in
+ XRT (#7901)"
+
+This reverts commit 41f4221433c6b173316b61cb2e7e3ee5152d8075.
+---
+ .../core/pcie/driver/linux/xocl/devices.h     | 103 ++++++++++++++++++
+ 1 file changed, 103 insertions(+)
+
+diff --git a/src/runtime_src/core/pcie/driver/linux/xocl/devices.h b/src/runtime_src/core/pcie/driver/linux/xocl/devices.h
+index 971ad73d2..5fe329cfa 100644
+--- a/src/runtime_src/core/pcie/driver/linux/xocl/devices.h
++++ b/src/runtime_src/core/pcie/driver/linux/xocl/devices.h
+@@ -2064,6 +2064,14 @@ struct xocl_subdev_map {
+ 		.subdev_num = ARRAY_SIZE(USER_RES_DSA52),		\
+ 	}
+ 
++#define	XOCL_BOARD_USER_DSA52_U280					\
++	(struct xocl_board_private){					\
++		.flags		= 0,					\
++		.subdev_info	= USER_RES_DSA52,			\
++		.subdev_num = ARRAY_SIZE(USER_RES_DSA52),		\
++		.p2p_bar_sz = 64,					\
++	}
++
+ #define	XOCL_BOARD_USER_SMARTN						\
+ 	(struct xocl_board_private){					\
+ 		.flags		= XOCL_DSAFLAG_SMARTN,			\
+@@ -2370,6 +2378,30 @@ struct xocl_subdev_map {
+ 		.flash_type = FLASH_TYPE_SPI,				\
+ 	}
+ 
++
++#define	MGMT_RES_XBB_DSA52_U280						\
++		((struct xocl_subdev_info []) {				\
++			XOCL_DEVINFO_FEATURE_ROM,			\
++			XOCL_DEVINFO_PRP_IORES_MGMT,			\
++			XOCL_DEVINFO_AXIGATE_ULP,			\
++			XOCL_DEVINFO_CLOCK_HBM,				\
++			XOCL_DEVINFO_AF_DSA52,				\
++			XOCL_DEVINFO_XMC,				\
++			XOCL_DEVINFO_XVC_PRI,				\
++			XOCL_DEVINFO_MAILBOX_MGMT,			\
++			XOCL_DEVINFO_ICAP_MGMT,				\
++			XOCL_DEVINFO_FMGR,				\
++			XOCL_DEVINFO_FLASH,				\
++		})
++
++#define	XOCL_BOARD_MGMT_XBB_DSA52_U280					\
++	(struct xocl_board_private){					\
++		.flags		= 0,					\
++		.subdev_info	= MGMT_RES_XBB_DSA52_U280,		\
++		.subdev_num = ARRAY_SIZE(MGMT_RES_XBB_DSA52_U280),	\
++		.flash_type = FLASH_TYPE_SPI,				\
++	}
++
+ #define MGMT_RES_XBB_SMARTN						\
+ 	((struct xocl_subdev_info []) {					\
+ 		XOCL_DEVINFO_FEATURE_ROM_SMARTN,			\
+@@ -2772,6 +2804,24 @@ struct xocl_subdev_map {
+ 		.board_name = "u50"					\
+ 	}
+ 
++#define	XOCL_BOARD_U55N_USER_RAPTOR2					\
++	(struct xocl_board_private){					\
++		.flags = XOCL_DSAFLAG_DYNAMIC_IP,			\
++		.board_name = "u55n",					\
++		.subdev_info	= RES_USER_VSEC,			\
++		.subdev_num = ARRAY_SIZE(RES_USER_VSEC),		\
++	}
++
++#define	XOCL_BOARD_U55N_MGMT_RAPTOR2					\
++	(struct xocl_board_private){					\
++		.flags = XOCL_DSAFLAG_DYNAMIC_IP,                       \
++		.subdev_info	= RES_MGMT_VSEC,			\
++		.subdev_num = ARRAY_SIZE(RES_MGMT_VSEC),		\
++		.flash_type = FLASH_TYPE_SPI,				\
++		.board_name = "u55n",					\
++		.vbnv = "xilinx_u55n"					\
++	}
++
+ #define	XOCL_BOARD_U55C_USER_RAPTOR2					\
+ 	(struct xocl_board_private){					\
+ 		.flags = XOCL_DSAFLAG_DYNAMIC_IP,			\
+@@ -2790,6 +2840,24 @@ struct xocl_subdev_map {
+ 		.vbnv = "xilinx_u55c"					\
+ 	}
+ 
++#define	XOCL_BOARD_U50LV_USER_RAPTOR2					\
++	(struct xocl_board_private){					\
++		.flags = XOCL_DSAFLAG_DYNAMIC_IP,			\
++		.board_name = "u50lv",					\
++		.subdev_info	= RES_USER_VSEC,			\
++		.subdev_num = ARRAY_SIZE(RES_USER_VSEC),		\
++	}
++
++#define	XOCL_BOARD_U50LV_MGMT_RAPTOR2					\
++	(struct xocl_board_private){					\
++		.flags = XOCL_DSAFLAG_DYNAMIC_IP,                       \
++		.subdev_info	= RES_MGMT_VSEC,			\
++		.subdev_num = ARRAY_SIZE(RES_MGMT_VSEC),		\
++		.flash_type = FLASH_TYPE_SPI,				\
++		.board_name = "u50lv",					\
++		.vbnv = "xilinx_u50lv"					\
++	}
++
+ #define	XOCL_BOARD_U50C_USER_RAPTOR2					\
+ 	(struct xocl_board_private){					\
+ 		.flags = XOCL_DSAFLAG_DYNAMIC_IP,			\
+@@ -2834,6 +2902,14 @@ struct xocl_subdev_map {
+ 		.p2p_bar_sz = 64,					\
+ 	}
+ 
++#define	XOCL_BOARD_U280_USER_RAPTOR2					\
++	(struct xocl_board_private){					\
++		.flags = XOCL_DSAFLAG_DYNAMIC_IP, 			\
++		.subdev_info	= RES_USER_VSEC,			\
++		.subdev_num = ARRAY_SIZE(RES_USER_VSEC),		\
++		.board_name = "u280",					\
++	}
++
+ #define	XOCL_BOARD_U250_MGMT_RAPTOR2					\
+ 	(struct xocl_board_private){					\
+ 		.flags = XOCL_DSAFLAG_DYNAMIC_IP,			\
+@@ -2843,6 +2919,15 @@ struct xocl_subdev_map {
+ 		.board_name = "u250"					\
+ 	}
+ 
++#define	XOCL_BOARD_U280_MGMT_RAPTOR2					\
++	(struct xocl_board_private){					\
++		.flags = XOCL_DSAFLAG_DYNAMIC_IP,			\
++		.subdev_info	= RES_MGMT_VSEC,			\
++		.subdev_num = ARRAY_SIZE(RES_MGMT_VSEC),		\
++		.flash_type = FLASH_TYPE_SPI,				\
++		.board_name = "u280"					\
++	}
++
+ #define	XOCL_BOARD_VERSAL_USER_RAPTOR2					\
+ 	(struct xocl_board_private){					\
+ 		.flags = XOCL_DSAFLAG_DYNAMIC_IP |			\
+@@ -3435,6 +3520,8 @@ struct xocl_subdev_map {
+ 	{ XOCL_PCI_DEVID(0x10EE, 0x6A8F, 0x4353, MGMT_6A8F_DSA52) },	\
+ 	{ XOCL_PCI_DEVID(0x10EE, 0x5000, PCI_ANY_ID, MGMT_XBB_DSA52_U200) },	\
+ 	{ XOCL_PCI_DEVID(0x10EE, 0x5004, PCI_ANY_ID, MGMT_XBB_DSA52) },	\
++	{ XOCL_PCI_DEVID(0x10EE, 0x5008, PCI_ANY_ID, MGMT_XBB_DSA52_U280) },\
++	{ XOCL_PCI_DEVID(0x10EE, 0x500C, PCI_ANY_ID, MGMT_XBB_DSA52_U280) },\
+ 	{ XOCL_PCI_DEVID(0x10EE, 0x5020, PCI_ANY_ID, MGMT_U50) },	\
+ 	{ XOCL_PCI_DEVID(0x10EE, 0x5028, PCI_ANY_ID, MGMT_VERSAL) },	\
+ 	{ XOCL_PCI_DEVID(0x10EE, 0x5044, PCI_ANY_ID, MGMT_VERSAL) },	\
+@@ -3448,7 +3535,9 @@ struct xocl_subdev_map {
+ 	{ XOCL_PCI_DEVID(0x10EE, 0x5078, PCI_ANY_ID, VERSAL_MGMT_RAPTOR2) },	\
+ 	{ XOCL_PCI_DEVID(0x10EE, 0x5050, PCI_ANY_ID, MGMT_U25) },	\
+ 	{ XOCL_PCI_DEVID(0x10EE, 0x504E, PCI_ANY_ID, U26Z_MGMT_RAPTOR2) },	\
++	{ XOCL_PCI_DEVID(0x10EE, 0x5058, PCI_ANY_ID, U55N_MGMT_RAPTOR2) },\
+ 	{ XOCL_PCI_DEVID(0x10EE, 0x505C, PCI_ANY_ID, U55C_MGMT_RAPTOR2) },\
++	{ XOCL_PCI_DEVID(0x10EE, 0x5060, PCI_ANY_ID, U50LV_MGMT_RAPTOR2) },\
+ 	{ XOCL_PCI_DEVID(0x10EE, 0x506C, PCI_ANY_ID, U50C_MGMT_RAPTOR2) },\
+ 	{ XOCL_PCI_DEVID(0x10EE, 0x5074, PCI_ANY_ID, X3522PV_MGMT_RAPTOR2) },	\
+ 	{ XOCL_PCI_DEVID(0x13FE, 0x006C, PCI_ANY_ID, MGMT_6A8F) },	\
+@@ -3457,6 +3546,8 @@ struct xocl_subdev_map {
+ 	{ XOCL_PCI_DEVID(0x10EE, 0xF987, PCI_ANY_ID, XBB_MFG("samsung_efuse")) },\
+ 	{ XOCL_PCI_DEVID(0x10EE, 0xD000, PCI_ANY_ID, XBB_MFG("u200")) },\
+ 	{ XOCL_PCI_DEVID(0x10EE, 0xD004, PCI_ANY_ID, XBB_MFG("u250")) },\
++	{ XOCL_PCI_DEVID(0x10EE, 0xD008, PCI_ANY_ID, XBB_MFG("u280-es1")) }, \
++	{ XOCL_PCI_DEVID(0x10EE, 0xD00C, PCI_ANY_ID, XBB_MFG("u280")) },\
+ 	{ XOCL_PCI_DEVID(0x10EE, 0xD030, PCI_ANY_ID, XBB_MFG("poc1465")) },\
+ 	{ XOCL_PCI_DEVID(0x10EE, 0xD020, PCI_ANY_ID, XBB_MFG_U50) }, \
+ 	{ XOCL_PCI_DEVID(0x10EE, 0xD03C, PCI_ANY_ID, XBB_MFG_U30) }, \
+@@ -3495,11 +3586,15 @@ struct xocl_subdev_map {
+ 	{ XOCL_PCI_DEVID(0x10EE, 0x7990, 0x4352, USER_DSA52) },		\
+ 	{ XOCL_PCI_DEVID(0x10EE, 0x5001, PCI_ANY_ID, USER_DSA52) },	\
+ 	{ XOCL_PCI_DEVID(0x10EE, 0x5005, PCI_ANY_ID, USER_DSA52) },	\
++	{ XOCL_PCI_DEVID(0x10EE, 0x5009, PCI_ANY_ID, USER_DSA52_U280) },	\
++	{ XOCL_PCI_DEVID(0x10EE, 0x500D, PCI_ANY_ID, USER_DSA52_U280) },	\
+ 	{ XOCL_PCI_DEVID(0x10EE, 0x5021, PCI_ANY_ID, USER_U50) },	\
+ 	{ XOCL_PCI_DEVID(0x10EE, 0x5051, PCI_ANY_ID, USER_U25) },	\
+ 	{ XOCL_PCI_DEVID(0x10EE, 0x504F, PCI_ANY_ID, U26Z_USER_RAPTOR2) },	\
+ 	{ XOCL_PCI_DEVID(0x10EE, 0x513D, PCI_ANY_ID, U30_USER_RAPTOR2) },       \
++	{ XOCL_PCI_DEVID(0x10EE, 0x5059, PCI_ANY_ID, U55N_USER_RAPTOR2) },\
+ 	{ XOCL_PCI_DEVID(0x10EE, 0x505D, PCI_ANY_ID, U55C_USER_RAPTOR2) },\
++	{ XOCL_PCI_DEVID(0x10EE, 0x5061, PCI_ANY_ID, U50LV_USER_RAPTOR2) },\
+ 	{ XOCL_PCI_DEVID(0x10EE, 0x506D, PCI_ANY_ID, U50C_USER_RAPTOR2) },\
+ 	{ XOCL_PCI_DEVID(0x10EE, 0x5075, PCI_ANY_ID, X3522PV_USER_RAPTOR2) },	\
+ 	{ XOCL_PCI_DEVID(0x13FE, 0x0065, PCI_ANY_ID, USER_XDMA) },	\
+@@ -3561,6 +3656,14 @@ struct xocl_subdev_map {
+ 		.vbnv = "xilinx_u250",			\
+ 		.priv_data = &XOCL_BOARD_U250_MGMT_RAPTOR2,		\
+ 		.type = XOCL_DSAMAP_RAPTOR2 },				\
++	{ 0x10EE, 0x500D, PCI_ANY_ID,					\
++		.vbnv = "xilinx_u280",			\
++		.priv_data = &XOCL_BOARD_U280_USER_RAPTOR2,		\
++		.type = XOCL_DSAMAP_RAPTOR2 },				\
++	{ 0x10EE, 0x500C, PCI_ANY_ID,					\
++		.vbnv = "xilinx_u280",			\
++		.priv_data = &XOCL_BOARD_U280_MGMT_RAPTOR2,		\
++		.type = XOCL_DSAMAP_RAPTOR2 },				\
+ 	{ 0x10EE, 0x5020, PCI_ANY_ID,					\
+ 		.vbnv = "xilinx_u50",		\
+ 		.priv_data = &XOCL_BOARD_U50_MGMT_RAPTOR2,		\
+-- 
+2.45.2
+

m/raccoon/xilinx-xrt.nix

@@ -0,0 +1,69 @@
+{
+  stdenv
+, fetchFromGitHub
+, enableDebug ? false
+, lib
+, cmake
+, pkg-config
+, libdrm
+, libelf
+, opencl-headers
+, ocl-icd
+, git
+, boost
+, ncurses
+, openssl
+, rapidjson
+, protobuf
+, python3
+, libuuid
+, curl
+, libsystemtap
+, libxcrypt
+, udev
+}:
+
+with lib;
+
+stdenv.mkDerivation rec {
+  name = "xilinx-xrt";
+  version = "dc81a9cc";
+  src = fetchFromGitHub {
+    owner = "Xilinx";
+    repo = "XRT";
+    rev = "dc81a9cc852bf44e71aa3edde7c8f7d54f355eab";
+    hash = "sha256-SG1gIO8Bvgs5XQ7HswjWNavPH+m8xHXqauztuJa6aEo=";
+    fetchSubmodules = true;
+  };
+  dontStrip = true;
+  patches = [
+    ./xilinx-xrt-aiebu.patch
+    ./xilinx-xrt-icd.patch
+    ./xilinx-xrt-u280-support.patch
+  ];
+  cmakeFlags = [
+    "-DXRT_INSTALL_PREFIX=${placeholder "out"}"
+    "-DXRT_INSTALL_DIR=${placeholder "out"}"
+    "-DXRT_NATIVE_BUILD=yes"
+    "-DCMAKE_BUILD_WITH_INSTALL_RPATH=ON"
+  ];
+  # A directory named "build" already exists
+  cmakeBuildDir = "the-build";
+
+  # Replace all occurences of /usr to $out, although some are not correct. By
+  # default they are replaced by /var/empty
+  dontFixCmake = true;
+  preConfigure = ''
+    find "." -type f \( -name "*.cmake" -o -name "*.cmake.in" -o -name CMakeLists.txt \) -print | 
+        while read fn; do
+            sed -e 's^/usr\([ /]\|$\)^'$out'\1^g' -e 's^/opt\([ /]\|$\)^'$out'\1^g' < "$fn" > "$fn.tmp"
+            mv "$fn.tmp" "$fn"
+        done
+  '';
+  nativeBuildInputs = [ cmake pkg-config git ];
+  buildInputs = [ libdrm.dev opencl-headers ocl-icd boost.dev ncurses
+    openssl.dev rapidjson protobuf python3 libelf libuuid.dev curl.dev
+    libsystemtap libxcrypt udev.out udev.dev
+  ];
+  hardeningDisable = [ "all" ];
+}