svn commit: r354714 - in head/sys: arm64/arm64 arm64/conf arm64/include conf
Justin Hibbits
jhibbits at FreeBSD.org
Thu Nov 14 21:58:42 UTC 2019
Author: jhibbits
Date: Thu Nov 14 21:58:40 2019
New Revision: 354714
URL: https://svnweb.freebsd.org/changeset/base/354714
Log:
Boot arm64 kernel using booti command from U-boot.
Summary:
Boot arm64 kernel using booti command from U-boot. booti can relocate initrd
image into higher ram addresses, therefore align the initrd load address to 1GiB
and create VA = PA map for it. Create L2 pagetable entries to copy the initrd
image into KVA.
(parts of the code in https://reviews.freebsd.org/D13861 was referred and used
as appropriate)
Submitted by: Siddharth Tuli <siddharthtuli_gmail.com>
Reviewed by: manu
Sponsored by: Juniper Networks, Inc
Differential Revision: https://reviews.freebsd.org/D22255
Added:
head/sys/arm64/arm64/machdep_boot.c (contents, props changed)
Modified:
head/sys/arm64/arm64/locore.S
head/sys/arm64/arm64/machdep.c
head/sys/arm64/conf/GENERIC
head/sys/arm64/include/machdep.h
head/sys/conf/Makefile.arm64
head/sys/conf/files.arm64
head/sys/conf/options.arm64
Modified: head/sys/arm64/arm64/locore.S
==============================================================================
--- head/sys/arm64/arm64/locore.S Thu Nov 14 19:56:42 2019 (r354713)
+++ head/sys/arm64/arm64/locore.S Thu Nov 14 21:58:40 2019 (r354714)
@@ -57,6 +57,29 @@
.text
.globl _start
_start:
+#ifdef LINUX_BOOT_ABI
+ /*
+ * See Documentation/arm64/booting.txt in the Linux kernel.
+ * This is needed to boot using U-Boot's booti command.
+ */
+
+#define BOOTI_MAGIC 0x644d5241
+#define UBOOT_IMAGE_OFFSET 0
+#define UBOOT_IMAGE_SIZE _end - _start
+#define UBOOT_IMAGE_FLAGS 0
+
+ b 1f /* Executable code */
+ .long 0 /* Executable code */
+ .quad UBOOT_IMAGE_OFFSET /* Image load offset, little endian */
+ .quad UBOOT_IMAGE_SIZE /* Effective Image size, little endian */
+ .quad UBOOT_IMAGE_FLAGS /* kernel flags, little endian */
+ .quad 0 /* reserved */
+ .quad 0 /* reserved */
+ .quad 0 /* reserved */
+ .long BOOTI_MAGIC /* Magic number, little endian, "ARM\x64" */
+ .long 0 /* reserved (used for PE COFF offset) */
+1:
+#endif
/* Drop to EL1 */
bl drop_to_el1
@@ -351,15 +374,25 @@ create_pagetables:
* Build the TTBR1 maps.
*/
- /* Find the size of the kernel */
mov x6, #(KERNBASE)
- /* Find modulep - begin */
- sub x8, x0, x6
+ and x7, x0, x6
+ cmp x7, x6
+ b.eq 1f
+ /* booted from U-Boot */
+ ldr x7, .Lend
+ sub x8, x7, x6 /* kernel size = end - begin */
+ b 2f
+1:
+ /* booted from FreeBSD loader */
+ sub x8, x0, x6 /* size = modulep - begin */
/* Add two 2MiB pages for the module data and round up */
ldr x7, =(3 * L2_SIZE - 1)
add x8, x8, x7
+2:
/* Get the number of l2 pages to allocate, rounded down */
lsr x10, x8, #(L2_SHIFT)
+ /* Add 1 to get actual count */
+ add x10, x10, #1
/* Create the kernel space L2 table */
mov x6, x26
Modified: head/sys/arm64/arm64/machdep.c
==============================================================================
--- head/sys/arm64/arm64/machdep.c Thu Nov 14 19:56:42 2019 (r354713)
+++ head/sys/arm64/arm64/machdep.c Thu Nov 14 21:58:40 2019 (r354714)
@@ -963,6 +963,16 @@ try_load_dtb(caddr_t kmdp)
vm_offset_t dtbp;
dtbp = MD_FETCH(kmdp, MODINFOMD_DTBP, vm_offset_t);
+
+#if defined(FDT_DTB_STATIC)
+ /*
+ * In case the device tree blob was not retrieved (from metadata) try
+ * to use the statically embedded one.
+ */
+ if (dtbp == 0)
+ dtbp = (vm_offset_t)&fdt_static_dtb;
+#endif
+
if (dtbp == (vm_offset_t)NULL) {
printf("ERROR loading DTB\n");
return;
@@ -1066,6 +1076,26 @@ cache_setup(void)
}
}
+static vm_offset_t
+freebsd_parse_boot_param(struct arm64_bootparams *abp)
+{
+ vm_offset_t lastaddr;
+ void *kmdp;
+ static char *loader_envp;
+
+ preload_metadata = (caddr_t)(uintptr_t)(abp->modulep);
+ kmdp = preload_search_by_type("elf kernel");
+ if (kmdp == NULL)
+ return (0);
+
+ boothowto = MD_FETCH(kmdp, MODINFOMD_HOWTO, int);
+ loader_envp = MD_FETCH(kmdp, MODINFOMD_ENVP, char *);
+ init_static_kenv(loader_envp, 0);
+ lastaddr = MD_FETCH(kmdp, MODINFOMD_KERNEND, vm_offset_t);
+
+ return (lastaddr);
+}
+
void
initarm(struct arm64_bootparams *abp)
{
@@ -1081,26 +1111,31 @@ initarm(struct arm64_bootparams *abp)
caddr_t kmdp;
bool valid;
- /* Set the module data location */
- preload_metadata = (caddr_t)(uintptr_t)(abp->modulep);
+ if ((abp->modulep & VM_MIN_KERNEL_ADDRESS) ==
+ VM_MIN_KERNEL_ADDRESS)
+ /* Booted from loader. */
+ lastaddr = freebsd_parse_boot_param(abp);
+#ifdef LINUX_BOOT_ABI
+ else
+ /* Booted from U-Boot. */
+ lastaddr = linux_parse_boot_param(abp);
+#endif
/* Find the kernel address */
kmdp = preload_search_by_type("elf kernel");
if (kmdp == NULL)
kmdp = preload_search_by_type("elf64 kernel");
- boothowto = MD_FETCH(kmdp, MODINFOMD_HOWTO, int);
- init_static_kenv(MD_FETCH(kmdp, MODINFOMD_ENVP, char *), 0);
link_elf_ireloc(kmdp);
#ifdef FDT
try_load_dtb(kmdp);
+#ifdef LINUX_BOOT_ABI
+ parse_bootargs(&lastaddr, abp);
#endif
+#endif
efi_systbl_phys = MD_FETCH(kmdp, MODINFOMD_FW_HANDLE, vm_paddr_t);
-
- /* Find the address to start allocating from */
- lastaddr = MD_FETCH(kmdp, MODINFOMD_KERNEND, vm_offset_t);
/* Load the physical memory ranges */
efihdr = (struct efi_map_header *)preload_search_info(kmdp,
Added: head/sys/arm64/arm64/machdep_boot.c
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ head/sys/arm64/arm64/machdep_boot.c Thu Nov 14 21:58:40 2019 (r354714)
@@ -0,0 +1,330 @@
+/*-
+ * Copyright (c) 2019 Juniper Networks, Inc
+ * Copyright (c) 2004 Olivier Houchard
+ * Copyright (c) 1994-1998 Mark Brinicombe.
+ * Copyright (c) 1994 Brini.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ */
+
+#include "opt_platform.h"
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/ctype.h>
+#include <sys/linker.h>
+#include <sys/reboot.h>
+#include <sys/sysctl.h>
+
+#include <machine/cpu.h>
+#include <machine/machdep.h>
+#include <machine/metadata.h>
+#include <machine/vmparam.h>
+
+#ifdef FDT
+#include <contrib/libfdt/libfdt.h>
+#include <dev/fdt/fdt_common.h>
+#include <dev/ofw/ofw_subr.h>
+#include <dev/ofw/openfirm.h>
+#include <machine/pte.h>
+#include <machine/vm.h>
+#include <sys/boot.h>
+#endif
+
+#ifdef FDT
+#define PRELOAD_PUSH_VALUE(type, value) do { \
+ *(type *)(preload_ptr + preload_size) = (value); \
+ preload_size += sizeof(type); \
+} while (0)
+
+#define PRELOAD_PUSH_STRING(str) do { \
+ uint32_t ssize; \
+ ssize = strlen(str) + 1; \
+ PRELOAD_PUSH_VALUE(uint32_t, ssize); \
+ strcpy((char*)(preload_ptr + preload_size), str); \
+ preload_size += ssize; \
+ preload_size = roundup(preload_size, sizeof(u_long)); \
+} while (0)
+
+static int build_l2_block_pagetable(vm_offset_t, uint64_t,
+ struct arm64_bootparams *);
+
+#define INITRD_START "linux,initrd-start"
+#define INITRD_END "linux,initrd-end"
+#define KENV_SIZE 2048
+
+static char static_kenv[KENV_SIZE];
+static caddr_t metadata_endptr;
+#endif
+
+#define PMAP_BOOTSTRAP_PAGES 2
+
+extern vm_offset_t end;
+
+/*
+ * Fake up a boot descriptor table
+ */
+static vm_offset_t
+fake_preload_metadata(void *dtb_ptr, size_t dtb_size,
+ struct arm64_bootparams *abp)
+{
+ vm_offset_t lastaddr;
+ static char fake_preload[256];
+ caddr_t preload_ptr;
+ size_t preload_size;
+
+ preload_ptr = (caddr_t)&fake_preload[0];
+ preload_size = 0;
+
+ PRELOAD_PUSH_VALUE(uint32_t, MODINFO_NAME);
+ PRELOAD_PUSH_STRING("kernel");
+
+ PRELOAD_PUSH_VALUE(uint32_t, MODINFO_TYPE);
+ PRELOAD_PUSH_STRING("elf kernel");
+
+ PRELOAD_PUSH_VALUE(uint32_t, MODINFO_ADDR);
+ PRELOAD_PUSH_VALUE(uint32_t, sizeof(vm_offset_t));
+ PRELOAD_PUSH_VALUE(uint64_t, VM_MIN_KERNEL_ADDRESS);
+
+ PRELOAD_PUSH_VALUE(uint32_t, MODINFO_SIZE);
+ PRELOAD_PUSH_VALUE(uint32_t, sizeof(size_t));
+ PRELOAD_PUSH_VALUE(uint64_t, (size_t)(&end - VM_MIN_KERNEL_ADDRESS));
+
+ lastaddr = (vm_offset_t)&end;
+ lastaddr = roundup(lastaddr, sizeof(vm_offset_t));
+
+#ifdef FDT
+ if (dtb_ptr != NULL &&
+ (build_l2_block_pagetable(lastaddr, dtb_size, abp) == 0)) {
+ /* Copy DTB to KVA space and insert it into module chain. */
+ PRELOAD_PUSH_VALUE(uint32_t, MODINFO_METADATA | MODINFOMD_DTBP);
+ PRELOAD_PUSH_VALUE(uint32_t, sizeof(uint64_t));
+ PRELOAD_PUSH_VALUE(uint64_t, (uint64_t)lastaddr);
+ memmove((void *)lastaddr, dtb_ptr, dtb_size);
+ lastaddr += dtb_size;
+ }
+
+ lastaddr = roundup(lastaddr, sizeof(vm_offset_t));
+ /* End marker */
+ metadata_endptr = preload_ptr;
+#endif
+
+ PRELOAD_PUSH_VALUE(uint32_t, 0);
+ PRELOAD_PUSH_VALUE(uint32_t, 0);
+
+ preload_metadata = fake_preload;
+
+ return (lastaddr);
+}
+
+/*
+ * Support booting from U-Boot's booti command. If modulep (register x0)
+ * is a valid address then it is a pointer to FDT.
+ */
+vm_offset_t
+linux_parse_boot_param(struct arm64_bootparams *abp)
+{
+ uint32_t dtb_size = 0;
+ struct fdt_header *dtb_ptr = NULL;
+
+#if defined(FDT) && !defined(FDT_DTB_STATIC)
+ /* Test if modulep (x0) point to valid DTB. */
+ dtb_ptr = (struct fdt_header *)abp->modulep;
+ if (dtb_ptr && fdt_check_header(dtb_ptr) == 0)
+ dtb_size = fdt_totalsize(dtb_ptr);
+#endif
+ return (fake_preload_metadata(dtb_ptr, dtb_size, abp));
+}
+
+#ifdef FDT
+/*
+ * Builds count 2 MiB page table entries.
+ * During startup, locore.S maps kernel memory in L2 page table.
+ * Create space to copy size bytes following the kernel memory.
+ * See build_l2_block_pagetable in locore.S
+ */
+static int
+build_l2_block_pagetable(vm_offset_t lastaddr, uint64_t size,
+ struct arm64_bootparams *abp)
+{
+ vm_offset_t l2_block_entry, *l2pt_entry;
+ int32_t count_2mib;
+ volatile uint64_t output_bits;
+
+ /* Number of 2MiB pages */
+ count_2mib = ((lastaddr - KERNBASE) + size) >> L2_SHIFT;
+
+ /* All the memory must not cross a 1GiB boundary */
+ if (count_2mib >= Ln_ENTRIES) {
+ printf("%s: Adding %#lx bytes makes kernel cross 1GiB boundary\n",
+ __FUNCTION__, size);
+ return EINVAL;
+ }
+
+ /* size fits within the last 2MiB page table entry */
+ if (((lastaddr - KERNBASE) >> L2_SHIFT) == count_2mib)
+ return 0;
+
+ /* Build the L2 block entry */
+ l2_block_entry = ATTR_IDX(VM_MEMATTR_WRITE_BACK) | L2_BLOCK | ATTR_AF;
+#ifdef SMP
+ l2_block_entry |= ATTR_SH(ATTR_SH_IS);
+#endif
+ /* Number of 2MiB pages mapped to kernel */
+ count_2mib = (lastaddr - KERNBASE) >> L2_SHIFT;
+
+ /* Go to last L2 page table entry. Each pagetable entry is 8 bytes */
+ l2pt_entry = (vm_offset_t*)((abp->kern_l1pt - PAGE_SIZE) +
+ (count_2mib << 3));
+ output_bits = (*l2pt_entry++ >> L2_SHIFT) + 1;
+
+ /* Build count 2MiB page table entries */
+ for (count_2mib = size >> L2_SHIFT; count_2mib >= 0;
+ l2pt_entry++, output_bits++, count_2mib--)
+ *l2pt_entry = (output_bits << L2_SHIFT) | l2_block_entry;
+
+ return 0;
+}
+
+/*
+ * Align start addr to 1GiB boundary and build L1 page table entry for it.
+ * See build_l1_block_pagetable in locore.S
+ */
+static void
+build_l1_block_pagetable(vm_offset_t start, struct arm64_bootparams *abp)
+{
+ vm_offset_t l1_table_idx, l1_block_entry, phy_addr, *l1_table_entry;
+
+ /* Find the table index */
+ l1_table_idx = (start >> L1_SHIFT) & Ln_ADDR_MASK;
+
+ /* Build the L1 block entry */
+ l1_block_entry = ATTR_nG | ATTR_IDX(VM_MEMATTR_UNCACHEABLE) |
+ L1_BLOCK | ATTR_AF;
+#ifdef SMP
+ l1_block_entry |= ATTR_SH(ATTR_SH_IS);
+#endif
+
+ /* Set the physical address */
+ phy_addr = l1_block_entry | (l1_table_idx << L1_SHIFT);
+
+ /* Index of L1 pagetable. Each pagetable entry is 8 bytes */
+ l1_table_entry = (vm_offset_t*)((abp->kern_l0pt + PAGE_SIZE) +
+ (l1_table_idx << 3));
+ *l1_table_entry = phy_addr;
+}
+
+/*
+ * Copy the initrd image passed using U-Boot's booti command into
+ * KVA space.
+ */
+static void
+linux_load_initrd(vm_offset_t *lastaddr, struct arm64_bootparams *abp)
+{
+ phandle_t chosen;
+ uint64_t initrd_start = 0, initrd_end = 0;
+ uint64_t initrd_size;
+ caddr_t preload_ptr;
+ size_t preload_size = 0;
+
+ if ((chosen = OF_finddevice("/chosen")) == -1)
+ return;
+
+ if (!(OF_hasprop(chosen, INITRD_START) &&
+ OF_hasprop(chosen, INITRD_END)))
+ return;
+
+ if ((OF_getprop(chosen, INITRD_START, &initrd_start, sizeof(uint64_t))) > 0)
+ initrd_start = fdt64_to_cpu(initrd_start);
+
+ if ((OF_getprop(chosen, INITRD_END, &initrd_end, sizeof(uint64_t))) > 0)
+ initrd_end = fdt64_to_cpu(initrd_end);
+
+ if ((initrd_size = (initrd_end - initrd_start)) <= 0)
+ return;
+
+ if (build_l2_block_pagetable(*lastaddr, initrd_size, abp) != 0)
+ return;
+
+ build_l1_block_pagetable(initrd_start, abp);
+
+ /* Copy the initrd image to virtual address space */
+ memmove((void*)(*lastaddr), (void*)initrd_start, initrd_size);
+
+ preload_ptr = metadata_endptr;
+
+ PRELOAD_PUSH_VALUE(uint32_t, MODINFO_NAME);
+ PRELOAD_PUSH_STRING("initrd");
+
+ PRELOAD_PUSH_VALUE(uint32_t, MODINFO_TYPE);
+ PRELOAD_PUSH_STRING("md_image");
+
+ PRELOAD_PUSH_VALUE(uint32_t, MODINFO_SIZE);
+ PRELOAD_PUSH_VALUE(uint32_t, sizeof(uint64_t));
+ PRELOAD_PUSH_VALUE(uint64_t, initrd_size);
+
+ PRELOAD_PUSH_VALUE(uint32_t, MODINFO_ADDR);
+ PRELOAD_PUSH_VALUE(uint32_t, sizeof(vm_offset_t));
+ PRELOAD_PUSH_VALUE(uint64_t, *lastaddr);
+
+ *lastaddr += initrd_size;
+ *lastaddr = roundup(*lastaddr, sizeof(vm_offset_t));
+
+ /* End marker */
+ metadata_endptr = preload_ptr;
+ PRELOAD_PUSH_VALUE(uint32_t, 0);
+ PRELOAD_PUSH_VALUE(uint32_t, 0);
+}
+
+/*
+ * Parse initrd image arguments, bootargs passed in FDT from U-Boot.
+ */
+void
+parse_bootargs(vm_offset_t *lastaddr, struct arm64_bootparams *abp)
+{
+
+ /*
+ * Fake metadata is used to support boot from U-Boot. Process bootargs,
+ * initrd args from FDT blob set in fake medadata.
+ */
+ if (metadata_endptr == NULL)
+ return;
+
+ /* Booted from U-Boot */
+ linux_load_initrd(lastaddr, abp);
+
+ /*
+ * L2 PTEs map addresses in order of kernel, dtb, initrd image.
+ * Add L2 pages at the end for pmap to bootstrap L2, L3 PTEs, etc.
+ */
+ build_l2_block_pagetable(*lastaddr,
+ (PMAP_BOOTSTRAP_PAGES * L2_SIZE) - 1, abp);
+
+ init_static_kenv(static_kenv, sizeof(static_kenv));
+ ofw_parse_bootargs();
+}
+#endif
Modified: head/sys/arm64/conf/GENERIC
==============================================================================
--- head/sys/arm64/conf/GENERIC Thu Nov 14 19:56:42 2019 (r354713)
+++ head/sys/arm64/conf/GENERIC Thu Nov 14 21:58:40 2019 (r354714)
@@ -77,6 +77,7 @@ options RACCT_DEFAULT_TO_DISABLED # Set kern.racct.en
options RCTL # Resource limits
options SMP
options INTRNG
+options LINUX_BOOT_ABI # Boot using booti command from U-Boot
# Debugging support. Always need this:
options KDB # Enable kernel debugger support.
Modified: head/sys/arm64/include/machdep.h
==============================================================================
--- head/sys/arm64/include/machdep.h Thu Nov 14 19:56:42 2019 (r354713)
+++ head/sys/arm64/include/machdep.h Thu Nov 14 21:58:40 2019 (r354714)
@@ -48,5 +48,9 @@ extern enum arm64_bus arm64_bus_method;
void dbg_init(void);
void initarm(struct arm64_bootparams *);
extern void (*pagezero)(void *);
+vm_offset_t linux_parse_boot_param(struct arm64_bootparams *);
+#ifdef LINUX_BOOT_ABI
+void parse_bootargs(vm_offset_t *, struct arm64_bootparams *);
+#endif
#endif /* _MACHINE_MACHDEP_H_ */
Modified: head/sys/conf/Makefile.arm64
==============================================================================
--- head/sys/conf/Makefile.arm64 Thu Nov 14 19:56:42 2019 (r354713)
+++ head/sys/conf/Makefile.arm64 Thu Nov 14 21:58:40 2019 (r354714)
@@ -31,6 +31,18 @@ INCLUDES+= -I$S/contrib/libfdt
CFLAGS += -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer
.endif
+SYSTEM_LD_ = ${LD} -Bdynamic -T ldscript.$M.noheader \
+ ${_LDFLAGS} --no-warn-mismatch --warn-common --export-dynamic \
+ --dynamic-linker /red/herring \
+ -o ${FULLKERNEL}.noheader -X ${SYSTEM_OBJS} vers.o
+
+SYSTEM_LD_TAIL +=;sed s/" + SIZEOF_HEADERS"// $(LDSCRIPT)\
+ >ldscript.$M.noheader;\
+ ${SYSTEM_LD_}; \
+ ${OBJCOPY} -S -O binary ${FULLKERNEL}.noheader \
+ ${KERNEL_KO}.bin; \
+ rm ${FULLKERNEL}.noheader
+
%BEFORE_DEPEND
%OBJS
Modified: head/sys/conf/files.arm64
==============================================================================
--- head/sys/conf/files.arm64 Thu Nov 14 19:56:42 2019 (r354713)
+++ head/sys/conf/files.arm64 Thu Nov 14 21:58:40 2019 (r354714)
@@ -153,6 +153,7 @@ arm64/arm64/identcpu.c standard
arm64/arm64/in_cksum.c optional inet | inet6
arm64/arm64/locore.S standard no-obj
arm64/arm64/machdep.c standard
+arm64/arm64/machdep_boot.c optional linux_boot_abi
arm64/arm64/mem.c standard
arm64/arm64/memcpy.S standard
arm64/arm64/memmove.S standard
Modified: head/sys/conf/options.arm64
==============================================================================
--- head/sys/conf/options.arm64 Thu Nov 14 19:56:42 2019 (r354713)
+++ head/sys/conf/options.arm64 Thu Nov 14 21:58:40 2019 (r354714)
@@ -2,6 +2,7 @@
ARM64 opt_global.h
INTRNG opt_global.h
+LINUX_BOOT_ABI opt_global.h
SOCDEV_PA opt_global.h
SOCDEV_VA opt_global.h
THUNDERX_PASS_1_1_ERRATA opt_global.h
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