xtensa: virt: add defconfig and DTS
Add defconfig and DTS for a virt board. Defconfig enables PCIe host and a number of virtio devices. DTS routes legacy PCI IRQs to the first four level-triggered external IRQ lines. CPU core with edge-triggered IRQs among the first four may need a custom DTS to work correctly. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>alistair/sunxi64-5.4-dsi
Max Filippov
parent
d6d5f19e21
commit
775f1f7eac
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// SPDX-License-Identifier: GPL-2.0
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/dts-v1/;
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/ {
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compatible = "cdns,xtensa-iss";
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#address-cells = <1>;
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#size-cells = <1>;
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interrupt-parent = <&pic>;
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chosen {
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bootargs = "console=ttyS0,115200n8 debug";
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};
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memory@0 {
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device_type = "memory";
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reg = <0x00000000 0x80000000>;
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};
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cpus {
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#address-cells = <1>;
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#size-cells = <0>;
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cpu@0 {
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compatible = "cdns,xtensa-cpu";
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reg = <0>;
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clocks = <&osc>;
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};
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};
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clocks {
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osc: osc {
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#clock-cells = <0>;
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compatible = "fixed-clock";
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clock-frequency = <40000000>;
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};
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};
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pic: pic {
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compatible = "cdns,xtensa-pic";
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/* one cell: internal irq number,
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* two cells: second cell == 0: internal irq number
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* second cell == 1: external irq number
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*/
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#address-cells = <0>;
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#interrupt-cells = <2>;
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interrupt-controller;
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};
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pci {
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compatible = "pci-host-ecam-generic";
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device_type = "pci";
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#address-cells = <3>;
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#size-cells = <2>;
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#interrupt-cells = <0x1>;
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bus-range = <0x0 0x3f>;
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reg = <0xc0000000 0x04000000>;
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// BUS_ADDRESS(3) CPU_PHYSICAL(1) SIZE(2)
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ranges = <0x01000000 0x0 0xc4000000 0xc4000000 0x0 0x04000000>,
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<0x02000000 0x0 0xc8000000 0xc8000000 0x0 0x18000000>;
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// PCI_DEVICE(3) INT#(1) CONTROLLER(PHANDLE) CONTROLLER_DATA(2)
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interrupt-map = <
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0x0000 0x0 0x0 0x1 &pic 0x0 0x1
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0x0800 0x0 0x0 0x1 &pic 0x1 0x1
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0x1000 0x0 0x0 0x1 &pic 0x2 0x1
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0x1800 0x0 0x0 0x1 &pic 0x3 0x1
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>;
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interrupt-map-mask = <0x1800 0x0 0x0 0x7>;
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};
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};
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@ -0,0 +1,113 @@
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CONFIG_SYSVIPC=y
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CONFIG_POSIX_MQUEUE=y
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CONFIG_NO_HZ_IDLE=y
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CONFIG_HIGH_RES_TIMERS=y
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CONFIG_PREEMPT=y
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CONFIG_IRQ_TIME_ACCOUNTING=y
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CONFIG_BSD_PROCESS_ACCT=y
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CONFIG_MEMCG=y
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CONFIG_CGROUP_FREEZER=y
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CONFIG_CGROUP_DEVICE=y
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CONFIG_CGROUP_CPUACCT=y
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CONFIG_CGROUP_DEBUG=y
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CONFIG_NAMESPACES=y
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CONFIG_SCHED_AUTOGROUP=y
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CONFIG_RELAY=y
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CONFIG_BLK_DEV_INITRD=y
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CONFIG_EXPERT=y
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CONFIG_SYSCTL_SYSCALL=y
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CONFIG_KALLSYMS_ALL=y
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CONFIG_PERF_EVENTS=y
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CONFIG_XTENSA_VARIANT_DC233C=y
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CONFIG_XTENSA_UNALIGNED_USER=y
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CONFIG_VECTORS_OFFSET=0x00002000
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CONFIG_XTENSA_KSEG_512M=y
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CONFIG_HIGHMEM=y
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CONFIG_CMDLINE_BOOL=y
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CONFIG_CMDLINE="console=ttyS0,115200n8 ip=dhcp root=/dev/nfs rw debug memmap=0x80000000@0"
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CONFIG_USE_OF=y
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CONFIG_BUILTIN_DTB_SOURCE="virt"
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# CONFIG_PARSE_BOOTPARAM is not set
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CONFIG_JUMP_LABEL=y
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CONFIG_MODULES=y
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CONFIG_MODULE_UNLOAD=y
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# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
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# CONFIG_COMPACTION is not set
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CONFIG_NET=y
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CONFIG_PACKET=y
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CONFIG_UNIX=y
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CONFIG_INET=y
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CONFIG_IP_MULTICAST=y
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CONFIG_IP_PNP=y
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CONFIG_IP_PNP_DHCP=y
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CONFIG_IP_PNP_BOOTP=y
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CONFIG_IP_PNP_RARP=y
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# CONFIG_IPV6 is not set
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CONFIG_NETFILTER=y
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# CONFIG_WIRELESS is not set
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CONFIG_PCI=y
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CONFIG_PCI_HOST_GENERIC=y
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CONFIG_UEVENT_HELPER=y
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CONFIG_DEVTMPFS=y
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CONFIG_DEVTMPFS_MOUNT=y
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# CONFIG_STANDALONE is not set
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CONFIG_BLK_DEV_LOOP=y
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CONFIG_BLK_DEV_RAM=y
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CONFIG_VIRTIO_BLK=y
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CONFIG_SCSI=y
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CONFIG_BLK_DEV_SD=y
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CONFIG_NETDEVICES=y
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CONFIG_VIRTIO_NET=y
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# CONFIG_ETHERNET is not set
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# CONFIG_WLAN is not set
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CONFIG_INPUT_MOUSEDEV=y
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CONFIG_INPUT_EVDEV=y
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# CONFIG_INPUT_KEYBOARD is not set
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# CONFIG_LEGACY_PTYS is not set
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CONFIG_HW_RANDOM=y
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CONFIG_HW_RANDOM_VIRTIO=y
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# CONFIG_HWMON is not set
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CONFIG_DRM=y
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CONFIG_DRM_VGEM=y
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CONFIG_DRM_VIRTIO_GPU=y
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CONFIG_FB_MODE_HELPERS=y
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# CONFIG_VGA_CONSOLE is not set
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CONFIG_FRAMEBUFFER_CONSOLE=y
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CONFIG_LOGO=y
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# CONFIG_USB_SUPPORT is not set
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CONFIG_VIRTIO_PCI=y
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CONFIG_VIRTIO_INPUT=y
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# CONFIG_IOMMU_SUPPORT is not set
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CONFIG_EXT3_FS=y
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CONFIG_FANOTIFY=y
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CONFIG_VFAT_FS=y
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CONFIG_PROC_KCORE=y
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CONFIG_TMPFS=y
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CONFIG_TMPFS_POSIX_ACL=y
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CONFIG_NFS_FS=y
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CONFIG_NFS_V4=y
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CONFIG_NFS_SWAP=y
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CONFIG_ROOT_NFS=y
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CONFIG_SUNRPC_DEBUG=y
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CONFIG_NLS_CODEPAGE_437=y
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CONFIG_NLS_ISO8859_1=y
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CONFIG_CRYPTO_ECHAINIV=y
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CONFIG_CRYPTO_DEFLATE=y
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CONFIG_CRYPTO_LZO=y
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CONFIG_CRYPTO_ANSI_CPRNG=y
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CONFIG_CRYPTO_DEV_VIRTIO=y
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CONFIG_FONTS=y
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CONFIG_PRINTK_TIME=y
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CONFIG_DYNAMIC_DEBUG=y
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CONFIG_DEBUG_INFO=y
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CONFIG_MAGIC_SYSRQ=y
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# CONFIG_SCHED_DEBUG is not set
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CONFIG_SCHEDSTATS=y
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CONFIG_DEBUG_RT_MUTEXES=y
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CONFIG_DEBUG_SPINLOCK=y
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CONFIG_DEBUG_MUTEXES=y
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CONFIG_DEBUG_ATOMIC_SLEEP=y
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CONFIG_STACKTRACE=y
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CONFIG_RCU_TRACE=y
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# CONFIG_FTRACE is not set
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# CONFIG_S32C1I_SELFTEST is not set
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