b87ec78210
Change-Id: Iaf1c253745412614f7e4a30019d96483cb0d3a12 Reviewed-on: https://review.haiku-os.org/c/haiku/+/4310 Reviewed-by: Alex von Gluck IV <kallisti5@unixzen.com>
43 lines
1.2 KiB
C
43 lines
1.2 KiB
C
/*
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* Copyright 2001-2002, Travis Geiselbrecht. All rights reserved.
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* Distributed under the terms of the NewOS License.
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*/
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#ifndef _KERNEL_ARCH_RISCV64_KERNEL_H
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#define _KERNEL_ARCH_RISCV64_KERNEL_H
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#ifndef _ASSEMBLER
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#ifdef __cplusplus
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# include <arch/cpu.h>
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#endif
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#endif
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// memory layout
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#define KERNEL_LOAD_BASE 0x80000000
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#define KERNEL_LOAD_BASE_64_BIT 0xffffffc000000000
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#if defined(__riscv64__)
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// Base of the kernel address space.
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#define KERNEL_BASE 0xffffffc000000000
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#define KERNEL_SIZE 0x0000004000000000
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#define KERNEL_TOP (KERNEL_BASE + (KERNEL_SIZE - 1))
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// Userspace address space layout.
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#define USER_BASE (0x0000000000000000 + 0x1000)
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#define USER_BASE_ANY USER_BASE
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#define USER_TOP (0x0000004000000000 - 1)
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#define USER_SIZE (USER_TOP - USER_BASE + 1)
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#define KERNEL_USER_DATA_BASE (USER_BASE + 0x3000000000)
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#define USER_STACK_REGION (USER_BASE + 0x3000000000)
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#define USER_STACK_REGION_SIZE ((USER_TOP - USER_STACK_REGION) + 1)
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#else /* ! __riscv64__ */
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#warning Unknown RISC-V Architecture!
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#endif
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#endif /* _KERNEL_ARCH_RISCV64_KERNEL_H */
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