ladybird/Kernel/Sections.h
Idan Horowitz 5f4a67434c Kernel: Move userspace virtual address range base to 0x10000
Now that the shared bottom 2 MiB virtual address mappings are gone
userspace can use lower virtual addresses.
2021-12-22 00:02:36 -08:00

26 lines
792 B
C

/*
* Copyright (c) 2018-2021, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Platform.h>
#ifdef __cplusplus
# include <AK/Types.h>
# include <Kernel/BootInfo.h>
#endif
#define READONLY_AFTER_INIT __attribute__((section(".ro_after_init")))
#define UNMAP_AFTER_INIT NEVER_INLINE __attribute__((section(".unmap_after_init")))
#define KERNEL_PD_END (kernel_mapping_base + 0x31000000)
#define KERNEL_PT1024_BASE (kernel_mapping_base + 0x3FE00000)
#define KERNEL_QUICKMAP_PT (KERNEL_PT1024_BASE + 0x6000)
#define KERNEL_QUICKMAP_PD (KERNEL_PT1024_BASE + 0x7000)
#define KERNEL_QUICKMAP_PER_CPU_BASE (KERNEL_PT1024_BASE + 0x8000)
#define USER_RANGE_BASE 0x10000
#define USER_RANGE_CEILING (kernel_mapping_base - 0x2000000)