Hello,
On Fri, 2020-07-31 at 14:00 +0900, AKASHI Takahiro wrote:
> On Mon, Jul 20, 2020 at 02:02:10PM +0300, Anastasiia Lukianenko
> wrote:
> > From: Andrii Anisov <andrii_ani...@epam.com>
> >
> > Introduce a minimal Xen guest board running as a virtual
> > machine under Xen Project's hypervisor [1], [2].
> >
> > Part of the code is ported from Xen mini-os and also uses
> > work initially done by different authors from NXP: please see
> > relevant files for their copyrights.
> >
> > [1]
> > https://urldefense.com/v3/__https://xenbits.xen.org__;!!GF_29dbcQIUBPA!gaw-wWUzKCW3pH01GHBwBp2VNoIFA29fRgVe746mkWeGaSfDHaworQu-y_AWI0pB7MhjX40$
> > [xenbits[.]xen[.]org]
> > [2]
> > https://urldefense.com/v3/__https://wiki.xenproject.org/__;!!GF_29dbcQIUBPA!gaw-wWUzKCW3pH01GHBwBp2VNoIFA29fRgVe746mkWeGaSfDHaworQu-y_AWI0pBZ2fv9ts$
> > [wiki[.]xenproject[.]org]
> >
> > Signed-off-by: Andrii Anisov <andrii_ani...@epam.com>
> > Signed-off-by: Oleksandr Andrushchenko <
> > oleksandr_andrushche...@epam.com>
> > Signed-off-by: Anastasiia Lukianenko <
> > anastasiia_lukiane...@epam.com>
> > ---
> > arch/arm/Kconfig | 7 +
> > arch/arm/cpu/armv8/Makefile | 1 +
> > arch/arm/cpu/armv8/xen/Makefile | 6 +
> > arch/arm/cpu/armv8/xen/hypercall.S | 79 +++++++++++
> > arch/arm/cpu/armv8/xen/lowlevel_init.S | 33 +++++
> > arch/arm/include/asm/xen.h | 7 +
> > arch/arm/include/asm/xen/hypercall.h | 22 ++++
> > board/xen/xenguest_arm64/Kconfig | 12 ++
> > board/xen/xenguest_arm64/Makefile | 5 +
> > board/xen/xenguest_arm64/xenguest_arm64.c | 152
> > ++++++++++++++++++++++
> > configs/xenguest_arm64_defconfig | 56 ++++++++
> > include/configs/xenguest_arm64.h | 44 +++++++
> > 12 files changed, 424 insertions(+)
> > create mode 100644 arch/arm/cpu/armv8/xen/Makefile
> > create mode 100644 arch/arm/cpu/armv8/xen/hypercall.S
> > create mode 100644 arch/arm/cpu/armv8/xen/lowlevel_init.S
> > create mode 100644 arch/arm/include/asm/xen.h
> > create mode 100644 arch/arm/include/asm/xen/hypercall.h
> > create mode 100644 board/xen/xenguest_arm64/Kconfig
> > create mode 100644 board/xen/xenguest_arm64/Makefile
> > create mode 100644 board/xen/xenguest_arm64/xenguest_arm64.c
> > create mode 100644 configs/xenguest_arm64_defconfig
> > create mode 100644 include/configs/xenguest_arm64.h
> >
> > diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
> > index 86238524f7..4ea7891cd3 100644
> > --- a/arch/arm/Kconfig
> > +++ b/arch/arm/Kconfig
> > @@ -1739,6 +1739,12 @@ config TARGET_PRESIDIO_ASIC
> > bool "Support Cortina Presidio ASIC Platform"
> > select ARM64
> >
> > +config TARGET_XENGUEST_ARM64
> > + bool "Xen guest ARM64"
> > + select ARM64
> > + select XEN
> > + select OF_CONTROL
> > + select LINUX_KERNEL_IMAGE_HEADER
> > endchoice
> >
> > config ARCH_SUPPORT_TFABOOT
> > @@ -1939,6 +1945,7 @@ source "board/xilinx/Kconfig"
> > source "board/xilinx/zynq/Kconfig"
> > source "board/xilinx/zynqmp/Kconfig"
> > source "board/phytium/durian/Kconfig"
> > +source "board/xen/xenguest_arm64/Kconfig"
> >
> > source "arch/arm/Kconfig.debug"
> >
> > diff --git a/arch/arm/cpu/armv8/Makefile
> > b/arch/arm/cpu/armv8/Makefile
> > index 2e48df0eb9..dd6c354d19 100644
> > --- a/arch/arm/cpu/armv8/Makefile
> > +++ b/arch/arm/cpu/armv8/Makefile
> > @@ -39,3 +39,4 @@ obj-$(CONFIG_S32V234) += s32v234/
> > obj-$(CONFIG_TARGET_HIKEY) += hisilicon/
> > obj-$(CONFIG_ARMV8_PSCI) += psci.o
> > obj-$(CONFIG_ARCH_SUNXI) += lowlevel_init.o
> > +obj-$(CONFIG_XEN) += xen/
> > diff --git a/arch/arm/cpu/armv8/xen/Makefile
> > b/arch/arm/cpu/armv8/xen/Makefile
> > new file mode 100644
> > index 0000000000..e3b4ae2bd4
> > --- /dev/null
> > +++ b/arch/arm/cpu/armv8/xen/Makefile
> > @@ -0,0 +1,6 @@
> > +# SPDX-License-Identifier: GPL-2.0+
> > +#
> > +# (C) 2018 NXP
> > +# (C) 2020 EPAM Systems Inc.
> > +
> > +obj-y += lowlevel_init.o hypercall.o
> > diff --git a/arch/arm/cpu/armv8/xen/hypercall.S
> > b/arch/arm/cpu/armv8/xen/hypercall.S
> > new file mode 100644
> > index 0000000000..731256b34e
> > --- /dev/null
> > +++ b/arch/arm/cpu/armv8/xen/hypercall.S
> > @@ -0,0 +1,79 @@
> > +/* SPDX-License-Identifier: GPL-2.0
> > + *
> > + * hypercall.S
> > + *
> > + * Xen hypercall wrappers
> > + *
> > + * Stefano Stabellini <stefano.stabell...@eu.citrix.com>, Citrix,
> > 2012
> > + *
> > + * This program is free software; you can redistribute it and/or
> > + * modify it under the terms of the GNU General Public License
> > version 2
> > + * as published by the Free Software Foundation; or, when
> > distributed
> > + * separately from the Linux kernel or incorporated into other
> > + * software packages, subject to the following license:
> > + *
> > + * Permission is hereby granted, free of charge, to any person
> > obtaining a copy
> > + * of this source file (the "Software"), to deal in the Software
> > without
> > + * restriction, including without limitation the rights to use,
> > copy, modify,
> > + * merge, publish, distribute, sublicense, and/or sell copies of
> > the Software,
> > + * and to permit persons to whom the Software is furnished to do
> > so, subject to
> > + * the following conditions:
> > + *
> > + * The above copyright notice and this permission notice shall be
> > included in
> > + * all copies or substantial portions of the Software.
> > + *
> > + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
> > EXPRESS OR
> > + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
> > MERCHANTABILITY,
> > + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO
> > EVENT SHALL THE
> > + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES
> > OR OTHER
> > + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
> > ARISING
> > + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
> > OTHER DEALINGS
> > + * IN THE SOFTWARE.
> > + */
> > +
> > +/*
> > + * The Xen hypercall calling convention is very similar to the
> > procedure
> > + * call standard for the ARM 64-bit architecture: the first
> > parameter is
> > + * passed in x0, the second in x1, the third in x2, the fourth in
> > x3 and
> > + * the fifth in x4.
> > + *
> > + * The hypercall number is passed in x16.
> > + *
> > + * The return value is in x0.
> > + *
> > + * The hvc ISS is required to be 0xEA1, that is the Xen specific
> > ARM
> > + * hypercall tag.
> > + *
> > + * Parameter structs passed to hypercalls are laid out according
> > to
> > + * the ARM 64-bit EABI standard.
> > + */
> > +
> > +#include <xen/interface/xen.h>
> > +
> > +#define XEN_HYPERCALL_TAG 0xEA1
> > +
> > +#define HYPERCALL_SIMPLE(hypercall) \
> > +.globl HYPERVISOR_##hypercall; \
> > +.align 4,0x90; \
> > +HYPERVISOR_##hypercall: \
> > + mov x16, #__HYPERVISOR_##hypercall; \
> > + hvc XEN_HYPERCALL_TAG; \
> > + ret; \
> > +
> > +#define HYPERCALL0 HYPERCALL_SIMPLE
> > +#define HYPERCALL1 HYPERCALL_SIMPLE
> > +#define HYPERCALL2 HYPERCALL_SIMPLE
> > +#define HYPERCALL3 HYPERCALL_SIMPLE
> > +#define HYPERCALL4 HYPERCALL_SIMPLE
> > +#define HYPERCALL5 HYPERCALL_SIMPLE
> > +
> > + .text
> > +
> > +HYPERCALL2(xen_version);
> > +HYPERCALL3(console_io);
> > +HYPERCALL3(grant_table_op);
> > +HYPERCALL2(sched_op);
> > +HYPERCALL2(event_channel_op);
> > +HYPERCALL2(hvm_op);
> > +HYPERCALL2(memory_op);
> > +
> > diff --git a/arch/arm/cpu/armv8/xen/lowlevel_init.S
> > b/arch/arm/cpu/armv8/xen/lowlevel_init.S
> > new file mode 100644
> > index 0000000000..760e32ed76
> > --- /dev/null
> > +++ b/arch/arm/cpu/armv8/xen/lowlevel_init.S
> > @@ -0,0 +1,33 @@
> > +/* SPDX-License-Identifier: GPL-2.0+
> > + *
> > + * (C) 2017 NXP
> > + * (C) 2020 EPAM Systems Inc.
> > + */
> > +
> > +#include <config.h>
> > +
> > +.align 8
> > +.global rom_pointer
> > +rom_pointer:
> > + .space 32
> > +
> > +/*
> > + * Routine: save_boot_params (called after reset from start.S)
> > + */
> > +
> > +.global save_boot_params
> > +save_boot_params:
> > + /* The firmware provided ATAG/FDT address can be found in r2/x0
> > */
> > + adr x1, rom_pointer
> > + stp x0, x2, [x1], #16
> > + stp x3, x4, [x1], #16
> > +
> > + /* Returns */
> > + b save_boot_params_ret
> > +
> > +.global restore_boot_params
> > +restore_boot_params:
> > + adr x1, rom_pointer
> > + ldp x0, x2, [x1], #16
> > + ldp x3, x4, [x1], #16
> > + ret
> > diff --git a/arch/arm/include/asm/xen.h
> > b/arch/arm/include/asm/xen.h
> > new file mode 100644
> > index 0000000000..8e2ee3d64e
> > --- /dev/null
> > +++ b/arch/arm/include/asm/xen.h
> > @@ -0,0 +1,7 @@
> > +/* SPDX-License-Identifier: GPL-2.0+
> > + *
> > + * (C) 2020 EPAM Systems Inc.
> > + */
> > +
> > +extern unsigned long rom_pointer[];
> > +
> > diff --git a/arch/arm/include/asm/xen/hypercall.h
> > b/arch/arm/include/asm/xen/hypercall.h
> > new file mode 100644
> > index 0000000000..a4fd077079
> > --- /dev/null
> > +++ b/arch/arm/include/asm/xen/hypercall.h
> > @@ -0,0 +1,22 @@
> > +/* SPDX-License-Identifier: GPL-2.0
> > + *
> > + * hypercall.h
> > + *
> > + * Linux-specific hypervisor handling.
> > + *
> > + * Stefano Stabellini <stefano.stabell...@eu.citrix.com>, Citrix,
> > 2012
> > + */
> > +
> > +#ifndef _ASM_ARM_XEN_HYPERCALL_H
> > +#define _ASM_ARM_XEN_HYPERCALL_H
> > +
> > +#include <xen/interface/xen.h>
> > +
> > +int HYPERVISOR_xen_version(int cmd, void *arg);
> > +int HYPERVISOR_console_io(int cmd, int count, char *str);
> > +int HYPERVISOR_grant_table_op(unsigned int cmd, void *uop,
> > unsigned int count);
> > +int HYPERVISOR_sched_op(int cmd, void *arg);
> > +int HYPERVISOR_event_channel_op(int cmd, void *arg);
> > +unsigned long HYPERVISOR_hvm_op(int op, void *arg);
> > +int HYPERVISOR_memory_op(unsigned int cmd, void *arg);
> > +#endif /* _ASM_ARM_XEN_HYPERCALL_H */
> > diff --git a/board/xen/xenguest_arm64/Kconfig
> > b/board/xen/xenguest_arm64/Kconfig
> > new file mode 100644
> > index 0000000000..cc131ed5b9
> > --- /dev/null
> > +++ b/board/xen/xenguest_arm64/Kconfig
> > @@ -0,0 +1,12 @@
> > +if TARGET_XENGUEST_ARM64
> > +
> > +config SYS_BOARD
> > + default "xenguest_arm64"
> > +
> > +config SYS_VENDOR
> > + default "xen"
> > +
> > +config SYS_CONFIG_NAME
> > + default "xenguest_arm64"
> > +
> > +endif
> > diff --git a/board/xen/xenguest_arm64/Makefile
> > b/board/xen/xenguest_arm64/Makefile
> > new file mode 100644
> > index 0000000000..1cf87a728f
> > --- /dev/null
> > +++ b/board/xen/xenguest_arm64/Makefile
> > @@ -0,0 +1,5 @@
> > +# SPDX-License-Identifier: GPL-2.0+
> > +#
> > +# (C) Copyright 2020 EPAM Systems Inc.
> > +
> > +obj-y := xenguest_arm64.o
> > diff --git a/board/xen/xenguest_arm64/xenguest_arm64.c
> > b/board/xen/xenguest_arm64/xenguest_arm64.c
> > new file mode 100644
> > index 0000000000..baebd353aa
> > --- /dev/null
> > +++ b/board/xen/xenguest_arm64/xenguest_arm64.c
> > @@ -0,0 +1,152 @@
> > +// SPDX-License-Identifier: GPL-2.0
> > +/*
> > + * (C) 2013
> > + * David Feng <feng...@phytium.com.cn>
> > + * Sharma Bhupesh <bhupesh.sha...@freescale.com>
> > + *
> > + * (C) 2020 EPAM Systems Inc
> > + */
> > +
> > +#include <common.h>
> > +#include <cpu_func.h>
> > +#include <dm.h>
> > +#include <errno.h>
> > +#include <malloc.h>
> > +
> > +#include <asm/io.h>
> > +#include <asm/armv8/mmu.h>
> > +#include <asm/xen.h>
> > +#include <asm/xen/hypercall.h>
> > +
> > +#include <linux/compiler.h>
> > +
> > +DECLARE_GLOBAL_DATA_PTR;
> > +
> > +int board_init(void)
> > +{
> > + return 0;
> > +}
> > +
> > +/*
> > + * Use fdt provided by Xen: according to
> > + *
> > https://urldefense.com/v3/__https://www.kernel.org/doc/Documentation/arm64/booting.txt__;!!GF_29dbcQIUBPA!gaw-wWUzKCW3pH01GHBwBp2VNoIFA29fRgVe746mkWeGaSfDHaworQu-y_AWI0pBf18zZOE$
> > [kernel[.]org]
> > + * x0 is the physical address of the device tree blob (dtb) in
> > system RAM.
> > + * This is stored in rom_pointer during low level init.
> > + */
> > +void *board_fdt_blob_setup(void)
> > +{
> > + if (fdt_magic(rom_pointer[0]) != FDT_MAGIC)
> > + return NULL;
> > + return (void *)rom_pointer[0];
> > +}
> > +
> > +#define MAX_MEM_MAP_REGIONS 5
> > +static struct mm_region xen_mem_map[MAX_MEM_MAP_REGIONS];
> > +struct mm_region *mem_map = xen_mem_map;
> > +
> > +static int get_next_memory_node(const void *blob, int mem)
> > +{
> > + do {
> > + mem = fdt_node_offset_by_prop_value(blob, mem,
> > + "device_type",
> > "memory", 7);
> > + } while (!fdtdec_get_is_enabled(blob, mem));
> > +
> > + return mem;
> > +}
> > +
> > +static int setup_mem_map(void)
> > +{
> > + int i, ret, mem, reg = 0;
> > + struct fdt_resource res;
> > + const void *blob = gd->fdt_blob;
> > +
> > + mem = get_next_memory_node(blob, -1);
> > + if (mem < 0) {
> > + printf("%s: Missing /memory node\n", __func__);
> > + return -EINVAL;
> > + }
> > +
> > + for (i = 0; i < MAX_MEM_MAP_REGIONS; i++) {
> > + ret = fdt_get_resource(blob, mem, "reg", reg++, &res);
> > + if (ret == -FDT_ERR_NOTFOUND) {
> > + reg = 0;
> > + mem = get_next_memory_node(blob, mem);
> > + if (mem == -FDT_ERR_NOTFOUND)
> > + break;
> > +
> > + ret = fdt_get_resource(blob, mem, "reg", reg++,
> > &res);
> > + if (ret == -FDT_ERR_NOTFOUND)
> > + break;
> > + }
> > + if (ret != 0) {
> > + printf("No reg property for memory node\n");
> > + return -EINVAL;
> > + }
> > +
> > + xen_mem_map[i].virt = (phys_addr_t)res.start;
> > + xen_mem_map[i].phys = (phys_addr_t)res.start;
> > + xen_mem_map[i].size = (phys_size_t)(res.end - res.start
> > + 1);
> > + xen_mem_map[i].attrs = (PTE_BLOCK_MEMTYPE(MT_NORMAL) |
> > + PTE_BLOCK_INNER_SHARE);
> > + }
> > + return 0;
> > +}
> > +
> > +void enable_caches(void)
> > +{
> > + /* Re-setup the memory map as BSS gets cleared after
> > relocation. */
> > + setup_mem_map();
> > + icache_enable();
> > + dcache_enable();
> > +}
> > +
> > +/* Read memory settings from the Xen provided device tree. */
> > +int dram_init(void)
> > +{
> > + int ret;
> > +
> > + ret = fdtdec_setup_mem_size_base();
> > + if (ret < 0)
> > + return ret;
> > + /* Setup memory map, so MMU page table size can be estimated.
> > */
> > + return setup_mem_map();
> > +}
> > +
> > +int dram_init_banksize(void)
> > +{
> > + return fdtdec_setup_memory_banksize();
> > +}
> > +
> > +/*
> > + * Board specific reset that is system reset.
> > + */
> > +void reset_cpu(ulong addr)
> > +{
> > +}
> > +
> > +int ft_system_setup(void *blob, bd_t *bd)
>
> bd_t -> struct bd_info
Ok, will change.
>
> > +{
> > + return 0;
> > +}
> > +
> > +int ft_board_setup(void *blob, bd_t *bd)
>
> ditto.
>
> > +{
> > + return 0;
> > +}
> > +
> > +int board_early_init_f(void)
> > +{
> > + return 0;
> > +}
> > +
> > +int print_cpuinfo(void)
> > +{
> > + printf("Xen virtual CPU\n");
> > + return 0;
> > +}
> > +
> > +__weak struct serial_device *default_serial_console(void)
> > +{
> > + return NULL;
> > +}
> > +
> > diff --git a/configs/xenguest_arm64_defconfig
> > b/configs/xenguest_arm64_defconfig
> > new file mode 100644
> > index 0000000000..f730799fc9
> > --- /dev/null
> > +++ b/configs/xenguest_arm64_defconfig
> > @@ -0,0 +1,56 @@
> > +CONFIG_ARM=y
> > +CONFIG_POSITION_INDEPENDENT=y
> > +CONFIG_SYS_TEXT_BASE=0x40080000
> > +CONFIG_SYS_MALLOC_F_LEN=0x2000
> > +CONFIG_IDENT_STRING=" xenguest"
> > +CONFIG_TARGET_XENGUEST_ARM64=y
> > +CONFIG_BOOTDELAY=10
> > +
> > +CONFIG_SYS_PROMPT="xenguest# "
> > +
> > +CONFIG_CMD_NET=n
> > +CONFIG_CMD_BDI=n
> > +CONFIG_CMD_BOOTD=n
> > +CONFIG_CMD_BOOTEFI=n
> > +CONFIG_CMD_BOOTEFI_HELLO_COMPILE=n
> > +CONFIG_CMD_ELF=n
> > +CONFIG_CMD_GO=n
> > +CONFIG_CMD_RUN=n
> > +CONFIG_CMD_IMI=n
> > +CONFIG_CMD_IMLS=n
> > +CONFIG_CMD_XIMG=n
> > +CONFIG_CMD_EXPORTENV=n
> > +CONFIG_CMD_IMPORTENV=n
> > +CONFIG_CMD_EDITENV=n
> > +CONFIG_CMD_ENV_EXISTS=n
> > +CONFIG_CMD_MEMORY=y
> > +CONFIG_CMD_CRC32=n
> > +CONFIG_CMD_DM=n
> > +CONFIG_CMD_LOADB=n
> > +CONFIG_CMD_LOADS=n
> > +CONFIG_CMD_FLASH=n
> > +CONFIG_CMD_GPT=n
> > +CONFIG_CMD_FPGA=n
> > +CONFIG_CMD_ECHO=n
> > +CONFIG_CMD_ITEST=n
> > +CONFIG_CMD_SOURCE=n
> > +CONFIG_CMD_SETEXPR=n
> > +CONFIG_CMD_MISC=n
> > +CONFIG_CMD_UNZIP=n
> > +CONFIG_CMD_LZMADEC=n
> > +CONFIG_CMD_SAVEENV=n
> > +CONFIG_CMD_UMS=n
>
> Try make savedefconfig to make this file minimal.
Ok.
>
> -Takahiro Akashi
>
> > +
> > +#CONFIG_USB=n
> > +# CONFIG_ISO_PARTITION is not set
> > +
> > +#CONFIG_EFI_PARTITION=y
> > +# CONFIG_EFI_LOADER is not set
> > +
> > +CONFIG_DM=y
> > +# CONFIG_MMC is not set
> > +# CONFIG_DM_SERIAL is not set
> > +# CONFIG_REQUIRE_SERIAL_CONSOLE is not set
> > +
> > +CONFIG_OF_BOARD=y
> > +CONFIG_OF_LIBFDT=y
> > diff --git a/include/configs/xenguest_arm64.h
> > b/include/configs/xenguest_arm64.h
> > new file mode 100644
> > index 0000000000..d8958cfe75
> > --- /dev/null
> > +++ b/include/configs/xenguest_arm64.h
> > @@ -0,0 +1,44 @@
> > +/* SPDX-License-Identifier: GPL-2.0+
> > + *
> > + * (C) Copyright 2020 EPAM Systemc Inc.
> > + */
> > +#ifndef __XENGUEST_ARM64_H
> > +#define __XENGUEST_ARM64_H
> > +
> > +#ifndef __ASSEMBLY__
> > +#include <linux/types.h>
> > +#endif
> > +
> > +#define CONFIG_BOARD_EARLY_INIT_F
> > +
> > +#define CONFIG_EXTRA_ENV_SETTINGS
> > +
> > +#undef CONFIG_NR_DRAM_BANKS
> > +#undef CONFIG_SYS_SDRAM_BASE
> > +
> > +#define CONFIG_NR_DRAM_BANKS 1
> > +
> > +/*
> > + * This can be any arbitrary address as we are using PIE, but
> > + * please note, that CONFIG_SYS_TEXT_BASE must match the below.
> > + */
> > +#define CONFIG_SYS_LOAD_ADDR 0x40000000
> > +#define
> > CONFIG_LNX_KRNL_IMG_TEXT_OFFSET_BASE CONFIG_SYS_LOAD_ADDR
> > +
> > +/* Size of malloc() pool */
> > +#define CONFIG_SYS_MALLOC_LEN (32 * 1024 * 1024)
> > +
> > +/* Monitor Command Prompt */
> > +#define CONFIG_SYS_PROMPT_HUSH_PS2 "> "
> > +#define CONFIG_SYS_CBSIZE 1024
> > +#define CONFIG_SYS_MAXARGS 64
> > +#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
> > +#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \
> > + sizeof(CONFIG_SYS_PROMPT) + 16)
> > +
> > +#define CONFIG_OF_SYSTEM_SETUP
> > +
> > +#define CONFIG_CMDLINE_TAG 1
> > +#define CONFIG_INITRD_TAG 1
> > +
> > +#endif /* __XENGUEST_ARM64_H */
> > --
> > 2.17.1
> >
Regards,
Anastasiia
