#ifndef _MACH_ARM_VM_PARAM_H_
#define _MACH_ARM_VM_PARAM_H_
#if defined(KERNEL_PRIVATE) && __ARM_16K_PG__
#include <arm64/proc_reg.h>
#endif
#if !defined (KERNEL) && !defined (__ASSEMBLER__)
#include <mach/vm_page_size.h>
#endif
#define BYTE_SIZE 8
#if defined (KERNEL)
#ifndef __ASSEMBLER__
#ifdef __arm__
#define PAGE_SHIFT_CONST 12
#elif defined(__arm64__)
extern unsigned PAGE_SHIFT_CONST;
#else
#error Unsupported arch
#endif
#if defined(KERNEL_PRIVATE) && __ARM_16K_PG__
#define PAGE_SHIFT ARM_PGSHIFT
#else
#define PAGE_SHIFT PAGE_SHIFT_CONST
#endif
#define PAGE_SIZE (1 << PAGE_SHIFT)
#define PAGE_MASK (PAGE_SIZE-1)
#define VM_PAGE_SIZE PAGE_SIZE
#define machine_ptob(x) ((x) << PAGE_SHIFT)
#define TEST_PAGE_SIZE_16K ((PAGE_SHIFT_CONST == 14))
#define TEST_PAGE_SIZE_4K ((PAGE_SHIFT_CONST == 12))
#endif
#else
#define PAGE_SHIFT vm_page_shift
#define PAGE_SIZE vm_page_size
#define PAGE_MASK vm_page_mask
#define VM_PAGE_SIZE vm_page_size
#define machine_ptob(x) ((x) << PAGE_SHIFT)
#endif
#define PAGE_MAX_SHIFT 14
#define PAGE_MAX_SIZE (1 << PAGE_MAX_SHIFT)
#define PAGE_MAX_MASK (PAGE_MAX_SIZE-1)
#define PAGE_MIN_SHIFT 12
#define PAGE_MIN_SIZE (1 << PAGE_MIN_SHIFT)
#define PAGE_MIN_MASK (PAGE_MIN_SIZE-1)
#ifndef __ASSEMBLER__
#ifdef MACH_KERNEL_PRIVATE
#define VM32_SUPPORT 1
#define VM32_MIN_ADDRESS ((vm32_offset_t) 0)
#define VM32_MAX_ADDRESS ((vm32_offset_t) (VM_MAX_PAGE_ADDRESS & 0xFFFFFFFF))
#define VM_MAX_PAGE_ADDRESS VM_MAX_ADDRESS
#if defined (__arm__)
#define KALLOC_MINSIZE 8
#define KALLOC_LOG2_MINALIGN 3
#elif defined(__arm64__)
#define KALLOC_MINSIZE 16
#define KALLOC_LOG2_MINALIGN 4
#else
#error Unsupported arch
#endif
#endif
#if defined (__arm__)
#define VM_MIN_ADDRESS ((vm_address_t) 0x00000000)
#define VM_MAX_ADDRESS ((vm_address_t) 0x80000000)
#define MACH_VM_MIN_ADDRESS ((mach_vm_offset_t) 0)
#define MACH_VM_MAX_ADDRESS ((mach_vm_offset_t) VM_MAX_ADDRESS)
#elif defined (__arm64__)
#define VM_MIN_ADDRESS ((vm_address_t) 0x0000000000000000ULL)
#define VM_MAX_ADDRESS ((vm_address_t) 0x0000000080000000ULL)
#define MACH_VM_MIN_ADDRESS ((mach_vm_offset_t) 0x0ULL)
#define MACH_VM_MAX_ADDRESS ((mach_vm_offset_t) 0x0000001000000000ULL)
#else
#error architecture not supported
#endif
#define VM_MAP_MIN_ADDRESS VM_MIN_ADDRESS
#define VM_MAP_MAX_ADDRESS VM_MAX_ADDRESS
#ifdef KERNEL
#if defined (__arm__)
#define VM_MIN_KERNEL_ADDRESS ((vm_address_t) 0x80000000)
#define VM_MAX_KERNEL_ADDRESS ((vm_address_t) 0xFFFEFFFF)
#define VM_HIGH_KERNEL_WINDOW ((vm_address_t) 0xFFFE0000)
#elif defined (__arm64__)
#define VM_MIN_KERNEL_ADDRESS ((vm_address_t) 0xffffffe000000000ULL)
#define VM_MAX_KERNEL_ADDRESS ((vm_address_t) 0xfffffff3ffffffffULL)
#else
#error architecture not supported
#endif
#define VM_MIN_KERNEL_AND_KEXT_ADDRESS \
VM_MIN_KERNEL_ADDRESS
#define VM_KERNEL_ADDRESS(va) ((((vm_address_t)(va))>=VM_MIN_KERNEL_ADDRESS) && \
(((vm_address_t)(va))<=VM_MAX_KERNEL_ADDRESS))
#ifdef MACH_KERNEL_PRIVATE
extern unsigned long gVirtBase, gPhysBase, gPhysSize;
#define isphysmem(a) (((vm_address_t)(a) - gPhysBase) < gPhysSize)
#define phystokv(a) ((vm_address_t)(a) - gPhysBase + gVirtBase)
#if KASAN
# define KERNEL_STACK_SIZE (4*4*4096)
# define INTSTACK_SIZE (4*4*4096)
#else
# define KERNEL_STACK_SIZE (4*4096)
# define INTSTACK_SIZE (4*4096)
#endif
#if defined (__arm__)
#define HIGH_EXC_VECTORS ((vm_address_t) 0xFFFF0000)
#endif
#endif
#endif
#endif
#define SWI_SYSCALL 0x80
#endif