Updated linux config. Works in QEMU now.

linux/Makefile

@@ -7,10 +7,12 @@ PACKAGE_SOURCE := ${WALLYLINUX}/buildroot-packages/package-source
 FPGA_AXI_SDC := ${WALLYLINUX}/buildroot-packages/fpga-axi-sdc
 DRIVER := ${PACKAGE_SOURCE}/fpga-axi-sdc.c
 
-.PHONY: all clean patch
+.PHONY: generate clean patch
 
-all: $(IMAGES)
+generate: $(IMAGES)
+	
 
+# This directive should be run as: make patch BUILDROOT=path/to/buildroot
 patch: $(BUILDROOT) $(DRIVER)
 	@ echo "Patching buildroot directory at: $<"
 	cp -r $(WALLYLINUX)/buildroot-config-src/wally $</board
@@ -29,4 +31,9 @@ $(DRIVER):
 	@ if [ -d "$(WALLY)/addins/vivado-risc-v" ] ; then git submodule update --init $(WALLY)/addins/vivado-risc-v; fi
 	cp ../addins/vivado-risc-v/patches/fpga-axi-sdc.c $@
 
+$(IMAGES):
+	@ echo "No output/images directory in buildroot."
+	@ echo "Run make --jobs in buildroot directory before generating device tree binaries."
+
 clean:
+	rm -f $(DRIVER)

linux/buildroot-config-src/buildroot-2023.05.1/linux.config

@@ -64,8 +64,10 @@ CONFIG_POSIX_CPU_TIMERS_TASK_WORK=y
 #
 # Timers subsystem
 #
-CONFIG_HZ_PERIODIC=y
+CONFIG_TICK_ONESHOT=y
-# CONFIG_NO_HZ_IDLE is not set
+CONFIG_NO_HZ_COMMON=y
+# CONFIG_HZ_PERIODIC is not set
+CONFIG_NO_HZ_IDLE=y
 # CONFIG_NO_HZ is not set
 # CONFIG_HIGH_RES_TIMERS is not set
 # end of Timers subsystem
@@ -122,12 +124,7 @@ CONFIG_GCC11_NO_ARRAY_BOUNDS=y
 CONFIG_CC_NO_ARRAY_BOUNDS=y
 CONFIG_ARCH_SUPPORTS_INT128=y
 # CONFIG_CGROUPS is not set
-CONFIG_NAMESPACES=y
+# CONFIG_NAMESPACES is not set
-CONFIG_UTS_NS=y
-CONFIG_TIME_NS=y
-CONFIG_IPC_NS=y
-# CONFIG_USER_NS is not set
-CONFIG_PID_NS=y
 # CONFIG_CHECKPOINT_RESTORE is not set
 # CONFIG_SCHED_AUTOGROUP is not set
 # CONFIG_SYSFS_DEPRECATED is not set
@@ -178,7 +175,7 @@ CONFIG_KALLSYMS=y
 # CONFIG_KALLSYMS_SELFTEST is not set
 # CONFIG_KALLSYMS_ALL is not set
 CONFIG_KALLSYMS_BASE_RELATIVE=y
-CONFIG_KCMP=y
+# CONFIG_KCMP is not set
 CONFIG_RSEQ=y
 # CONFIG_DEBUG_RSEQ is not set
 # CONFIG_EMBEDDED is not set
@@ -363,7 +360,7 @@ CONFIG_PAGE_SIZE_LESS_THAN_64KB=y
 CONFIG_PAGE_SIZE_LESS_THAN_256KB=y
 CONFIG_ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT=y
 CONFIG_CLONE_BACKWARDS=y
-CONFIG_COMPAT_32BIT_TIME=y
+# CONFIG_COMPAT_32BIT_TIME is not set
 CONFIG_HAVE_ARCH_VMAP_STACK=y
 CONFIG_VMAP_STACK=y
 CONFIG_ARCH_OPTIONAL_KERNEL_RWX=y
@@ -372,6 +369,7 @@ CONFIG_ARCH_HAS_STRICT_KERNEL_RWX=y
 CONFIG_STRICT_KERNEL_RWX=y
 CONFIG_ARCH_HAS_STRICT_MODULE_RWX=y
 CONFIG_STRICT_MODULE_RWX=y
+CONFIG_ARCH_USE_MEMREMAP_PROT=y
 # CONFIG_LOCK_EVENT_COUNTS is not set
 CONFIG_ARCH_WANT_LD_ORPHAN_WARN=y
 CONFIG_ARCH_SUPPORTS_DEBUG_PAGEALLOC=y
@@ -393,9 +391,7 @@ CONFIG_RT_MUTEXES=y
 CONFIG_BASE_SMALL=0
 CONFIG_MODULES=y
 # CONFIG_MODULE_FORCE_LOAD is not set
-CONFIG_MODULE_UNLOAD=y
+# CONFIG_MODULE_UNLOAD is not set
-# CONFIG_MODULE_FORCE_UNLOAD is not set
-# CONFIG_MODULE_UNLOAD_TAINT_TRACKING is not set
 # CONFIG_MODVERSIONS is not set
 # CONFIG_MODULE_SRCVERSION_ALL is not set
 # CONFIG_MODULE_SIG is not set
@@ -408,6 +404,7 @@ CONFIG_MODPROBE_PATH="/sbin/modprobe"
 # CONFIG_TRIM_UNUSED_KSYMS is not set
 CONFIG_BLOCK=y
 CONFIG_BLOCK_LEGACY_AUTOLOAD=y
+CONFIG_BLK_ICQ=y
 # CONFIG_BLK_DEV_BSGLIB is not set
 # CONFIG_BLK_DEV_INTEGRITY is not set
 # CONFIG_BLK_DEV_ZONED is not set
@@ -431,7 +428,7 @@ CONFIG_BLK_MQ_VIRTIO=y
 #
 CONFIG_MQ_IOSCHED_DEADLINE=y
 CONFIG_MQ_IOSCHED_KYBER=y
-# CONFIG_IOSCHED_BFQ is not set
+CONFIG_IOSCHED_BFQ=y
 # end of IO Schedulers
 
 CONFIG_UNINLINE_SPIN_UNLOCK=y
@@ -498,7 +495,7 @@ CONFIG_GENERIC_EARLY_IOREMAP=y
 # CONFIG_IDLE_PAGE_TRACKING is not set
 CONFIG_ARCH_HAS_CURRENT_STACK_POINTER=y
 CONFIG_ZONE_DMA32=y
-CONFIG_VM_EVENT_COUNTERS=y
+# CONFIG_VM_EVENT_COUNTERS is not set
 # CONFIG_PERCPU_STATS is not set
 # CONFIG_GUP_TEST is not set
 CONFIG_ARCH_HAS_PTE_SPECIAL=y
@@ -587,6 +584,7 @@ CONFIG_EFI_GENERIC_STUB=y
 # CONFIG_EFI_TEST is not set
 # CONFIG_RESET_ATTACK_MITIGATION is not set
 # CONFIG_EFI_DISABLE_PCI_DMA is not set
+CONFIG_EFI_EARLYCON=y
 # CONFIG_EFI_DISABLE_RUNTIME is not set
 # CONFIG_EFI_COCO_SECRET is not set
 # end of EFI (Extensible Firmware Interface) Support
@@ -611,7 +609,16 @@ CONFIG_OF_RESERVED_MEM=y
 # CONFIG_OF_OVERLAY is not set
 CONFIG_OF_DMA_DEFAULT_COHERENT=y
 # CONFIG_PARPORT is not set
-# CONFIG_BLK_DEV is not set
+CONFIG_BLK_DEV=y
+# CONFIG_BLK_DEV_NULL_BLK is not set
+# CONFIG_BLK_DEV_LOOP is not set
+
+#
+# DRBD disabled because PROC_FS or INET not selected
+#
+# CONFIG_BLK_DEV_RAM is not set
+# CONFIG_VIRTIO_BLK is not set
+# CONFIG_BLK_DEV_UBLK is not set
 
 #
 # NVME Support
@@ -690,16 +697,7 @@ CONFIG_INPUT=y
 #
 # Hardware I/O ports
 #
-CONFIG_SERIO=y
+# CONFIG_SERIO is not set
-CONFIG_SERIO_SERPORT=y
-CONFIG_SERIO_LIBPS2=y
-# CONFIG_SERIO_RAW is not set
-# CONFIG_SERIO_ALTERA_PS2 is not set
-# CONFIG_SERIO_PS2MULT is not set
-# CONFIG_SERIO_ARC_PS2 is not set
-# CONFIG_SERIO_APBPS2 is not set
-# CONFIG_SERIO_GPIO_PS2 is not set
-# CONFIG_USERIO is not set
 # CONFIG_GAMEPORT is not set
 # end of Hardware I/O ports
 # end of Input device support
@@ -712,7 +710,7 @@ CONFIG_VT=y
 CONFIG_CONSOLE_TRANSLATIONS=y
 CONFIG_VT_CONSOLE=y
 CONFIG_HW_CONSOLE=y
-# CONFIG_VT_HW_CONSOLE_BINDING is not set
+CONFIG_VT_HW_CONSOLE_BINDING=y
 CONFIG_UNIX98_PTYS=y
 CONFIG_LEGACY_PTYS=y
 CONFIG_LEGACY_PTY_COUNT=256
@@ -722,14 +720,28 @@ CONFIG_LDISC_AUTOLOAD=y
 #
 # Serial drivers
 #
-# CONFIG_SERIAL_8250 is not set
+CONFIG_SERIAL_EARLYCON=y
+CONFIG_SERIAL_8250=y
+# CONFIG_SERIAL_8250_DEPRECATED_OPTIONS is not set
+CONFIG_SERIAL_8250_16550A_VARIANTS=y
+# CONFIG_SERIAL_8250_FINTEK is not set
+CONFIG_SERIAL_8250_CONSOLE=y
+CONFIG_SERIAL_8250_NR_UARTS=1
+CONFIG_SERIAL_8250_RUNTIME_UARTS=1
+# CONFIG_SERIAL_8250_EXTENDED is not set
+# CONFIG_SERIAL_8250_DW is not set
+# CONFIG_SERIAL_8250_RT288X is not set
+CONFIG_SERIAL_OF_PLATFORM=y
 
 #
 # Non-8250 serial port support
 #
 # CONFIG_SERIAL_EARLYCON_SEMIHOST is not set
 # CONFIG_SERIAL_UARTLITE is not set
-# CONFIG_SERIAL_SIFIVE is not set
+CONFIG_SERIAL_CORE=y
+CONFIG_SERIAL_CORE_CONSOLE=y
+CONFIG_SERIAL_SIFIVE=y
+CONFIG_SERIAL_SIFIVE_CONSOLE=y
 # CONFIG_SERIAL_SCCNXP is not set
 # CONFIG_SERIAL_ALTERA_JTAGUART is not set
 # CONFIG_SERIAL_ALTERA_UART is not set
@@ -741,6 +753,7 @@ CONFIG_LDISC_AUTOLOAD=y
 # CONFIG_SERIAL_SPRD is not set
 # end of Serial drivers
 
+CONFIG_SERIAL_MCTRL_GPIO=y
 # CONFIG_SERIAL_NONSTANDARD is not set
 # CONFIG_NULL_TTY is not set
 CONFIG_HVC_DRIVER=y
@@ -888,7 +901,7 @@ CONFIG_BCMA_POSSIBLE=y
 #
 # Console display driver support
 #
-CONFIG_VGA_CONSOLE=y
+# CONFIG_VGA_CONSOLE is not set
 CONFIG_DUMMY_CONSOLE=y
 CONFIG_DUMMY_CONSOLE_COLUMNS=80
 CONFIG_DUMMY_CONSOLE_ROWS=25
@@ -896,7 +909,8 @@ CONFIG_DUMMY_CONSOLE_ROWS=25
 # end of Graphics support
 
 # CONFIG_SOUND is not set
-# CONFIG_HID_SUPPORT is not set
+CONFIG_HID_SUPPORT=y
+# CONFIG_HID is not set
 CONFIG_USB_OHCI_LITTLE_ENDIAN=y
 # CONFIG_USB_SUPPORT is not set
 CONFIG_MMC=y
@@ -1082,6 +1096,7 @@ CONFIG_SIFIVE_PLIC=y
 # CONFIG_ANDROID_BINDER_IPC is not set
 # end of Android
 
+# CONFIG_LIBNVDIMM is not set
 # CONFIG_DAX is not set
 # CONFIG_NVMEM is not set
 
@@ -1204,7 +1219,7 @@ CONFIG_HAVE_HARDENED_USERCOPY_ALLOCATOR=y
 # CONFIG_FORTIFY_SOURCE is not set
 # CONFIG_STATIC_USERMODEHELPER is not set
 CONFIG_DEFAULT_SECURITY_DAC=y
-CONFIG_LSM="landlock,lockdown,yama,loadpin,safesetid,integrity,bpf"
+CONFIG_LSM="lockdown,yama,loadpin,safesetid,integrity,bpf"
 
 #
 # Kernel hardening options
@@ -1239,7 +1254,7 @@ CONFIG_CRYPTO_ALGAPI2=y
 CONFIG_CRYPTO_HASH=y
 CONFIG_CRYPTO_HASH2=y
 # CONFIG_CRYPTO_MANAGER is not set
-CONFIG_CRYPTO_MANAGER_DISABLE_TESTS=y
+# CONFIG_CRYPTO_MANAGER_DISABLE_TESTS is not set
 # CONFIG_CRYPTO_NULL is not set
 # CONFIG_CRYPTO_CRYPTD is not set
 # CONFIG_CRYPTO_AUTHENC is not set
@@ -1361,11 +1376,7 @@ CONFIG_CRYPTO_CRC32C=y
 #
 # end of Userspace interface
 
-CONFIG_CRYPTO_HW=y
+# CONFIG_CRYPTO_HW is not set
-# CONFIG_CRYPTO_DEV_VIRTIO is not set
-# CONFIG_CRYPTO_DEV_SAFEXCEL is not set
-# CONFIG_CRYPTO_DEV_CCREE is not set
-# CONFIG_CRYPTO_DEV_AMLOGIC_GXL is not set
 
 #
 # Certificates for signature checking
@@ -1440,9 +1451,11 @@ CONFIG_UCS2_STRING=y
 CONFIG_HAVE_GENERIC_VDSO=y
 CONFIG_GENERIC_GETTIMEOFDAY=y
 CONFIG_GENERIC_VDSO_TIME_NS=y
+CONFIG_FONT_SUPPORT=y
+CONFIG_FONT_8x16=y
+CONFIG_FONT_AUTOSELECT=y
 CONFIG_ARCH_HAS_PMEM_API=y
 CONFIG_ARCH_STACKWALK=y
-CONFIG_STACKDEPOT=y
 CONFIG_SBITMAP=y
 # end of Library routines
 
@@ -1475,16 +1488,10 @@ CONFIG_DEBUG_MISC=y
 #
 # Compile-time checks and compiler options
 #
-CONFIG_DEBUG_INFO=y
+CONFIG_DEBUG_INFO_NONE=y
-# CONFIG_DEBUG_INFO_NONE is not set
+# CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT is not set
-CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y
 # CONFIG_DEBUG_INFO_DWARF4 is not set
 # CONFIG_DEBUG_INFO_DWARF5 is not set
-# CONFIG_DEBUG_INFO_REDUCED is not set
-CONFIG_DEBUG_INFO_COMPRESSED_NONE=y
-# CONFIG_DEBUG_INFO_COMPRESSED_ZLIB is not set
-# CONFIG_DEBUG_INFO_SPLIT is not set
-CONFIG_GDB_SCRIPTS=y
 CONFIG_FRAME_WARN=2048
 # CONFIG_STRIP_ASM_SYMS is not set
 CONFIG_READABLE_ASM=y
@@ -1522,9 +1529,9 @@ CONFIG_HAVE_KCSAN_COMPILER=y
 # Memory Debugging
 #
 # CONFIG_PAGE_EXTENSION is not set
-# CONFIG_DEBUG_PAGEALLOC is not set
+CONFIG_DEBUG_PAGEALLOC=y
-CONFIG_SLUB_DEBUG=y
+# CONFIG_DEBUG_PAGEALLOC_ENABLE_DEFAULT is not set
-# CONFIG_SLUB_DEBUG_ON is not set
+# CONFIG_SLUB_DEBUG is not set
 # CONFIG_PAGE_OWNER is not set
 # CONFIG_PAGE_POISONING is not set
 # CONFIG_DEBUG_RODATA_TEST is not set