/*
* Copyright (c) 2007-2021 Apple Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
* compliance with the License. The rights granted to you under the License
* may not be used to create, or enable the creation or redistribution of,
* unlawful or unlicensed copies of an Apple operating system, or to
* circumvent, violate, or enable the circumvention or violation of, any
* terms of an Apple operating system software license agreement.
*
* Please obtain a copy of the License at
* http://www.opensource.apple.com/apsl/ and read it before using this file.
*
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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*/
#include <arm64/asm.h>
#include <arm64/proc_reg.h>
#include "assym.s"
#if CONFIG_SPTM
#include <sptm/sptm_xnu.h>
#endif /* CONFIG_SPTM */
#if defined(__arm64__)
/* We're fine, use adrp, add */
#else
#error Unknown architecture.
#endif
.section __BOOTDATA, __data // Aligned data
.align 14
.globl EXT(intstack_low_guard)
LEXT(intstack_low_guard)
.space (PAGE_MAX_SIZE_NUM)
/* IRQ stack */
.globl EXT(intstack) // Boot processor IRQ stack
LEXT(intstack)
.space (INTSTACK_SIZE_NUM)
.globl EXT(intstack_top)
LEXT(intstack_top)
.globl EXT(intstack_high_guard)
LEXT(intstack_high_guard)
.space (PAGE_MAX_SIZE_NUM)
/* Low guard for fiq/exception stack is shared w/ interrupt stack high guard */
#ifdef __arm64__
.global EXT(excepstack)
LEXT(excepstack)
.space (EXCEPSTACK_SIZE_NUM)
.globl EXT(excepstack_top)
LEXT(excepstack_top)
.globl EXT(excepstack_high_guard)
LEXT(excepstack_high_guard)
.space (PAGE_MAX_SIZE_NUM)
#endif
// Must align to 16K here, due to <rdar://problem/33268668>
.global EXT(kd_early_buffer)
.align 14
LEXT(kd_early_buffer) // space for kdebug's early event buffer
.space 16*1024,0
.section __DATA, __data // Aligned data
.align 3 // unsigned long long aligned Section
.globl EXT(RTClockData)
LEXT(RTClockData) // Real Time clock area
.space RTCLOCKDataSize_NUM,0 // (filled with 0s)
#if TRASH_VFP_ON_SAVE
.align 4
.globl EXT(vfptrash_data)
LEXT(vfptrash_data)
.fill 64, 4, 0xca55e77e
#endif
#if __arm64__
#if defined(KERNEL_INTEGRITY_KTRR) || defined(KERNEL_INTEGRITY_CTRR)
#if CONFIG_SPTM
.section __DATA_SPTM, __const
.align 14
/* reserve a page for xnu-CTRR covered SPTM data */
.space 16*1024,0
#else
.section __DATA, __const
.align 14
#endif /* CONFIG_SPTM */
/* reserve space for read only page tables */
LEXT(ropagetable_begin)
#if XNU_TARGET_OS_OSX
// A big auxKC might need more page tables, especially because
// it's not block mapped.
// Note that we don't distuinguish between KASAN or not: With
// a KASAN kernel, the effective auxKC limit is smaller.
.space 20*16*1024,0
#elif KASAN
.space 16*16*1024,0
#else
.space 14*16*1024,0
#endif
#else
LEXT(ropagetable_begin)
#endif /* defined(KERNEL_INTEGRITY_KTRR) || defined(KERNEL_INTEGRITY_CTRR) */
LEXT(ropagetable_end)
.globl EXT(ropagetable_begin)
.globl EXT(ropagetable_end)
#endif /* __arm64__ */
/* vim: set ts=4: */