5855a8e350
Change-Id: I7a2ed220ad96a9b18bff3ac5c115592c8ba87d89 Reviewed-on: https://review.haiku-os.org/c/haiku/+/4334 Reviewed-by: Axel Dörfler <axeld@pinc-software.de>
69 lines
1.3 KiB
C
69 lines
1.3 KiB
C
/*
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** Copyright 2003, Axel Dörfler, axeld@pinc-software.de. All rights reserved.
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** Distributed under the terms of the MIT License.
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*/
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#ifndef KERNEL_ARCH_RISCV64_KERNEL_ARGS_H
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#define KERNEL_ARCH_RISCV64_KERNEL_ARGS_H
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#ifndef KERNEL_BOOT_KERNEL_ARGS_H
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# error This file is included from <boot/kernel_args.h> only
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#endif
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#include <util/FixedWidthPointer.h>
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#define _PACKED __attribute__((packed))
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#define MAX_VIRTUAL_RANGES_TO_KEEP 32
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enum {
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kPlatformNone,
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kPlatformMNative,
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kPlatformSbi,
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};
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enum {
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kUartKindNone,
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kUartKind8250,
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kUartKindSifive,
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kUartKindPl011,
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};
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typedef struct {
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uint32 kind;
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addr_range regs;
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uint32 irq;
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int64 clock;
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} _PACKED ArchUart;
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// kernel args
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typedef struct {
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// Virtual address range of RAM physical memory mapping region
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addr_range physMap;
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// The virtual ranges we want to keep in the kernel.
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uint32 num_virtual_ranges_to_keep;
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addr_range virtual_ranges_to_keep[MAX_VIRTUAL_RANGES_TO_KEEP];
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// MNative hooks, or SBI
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uint32 machine_platform;
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uint bootHart;
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uint64 timerFrequency; // in Hz
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// All following address are virtual
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FixedWidthPointer<void> acpi_root;
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FixedWidthPointer<void> fdt;
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addr_range htif;
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addr_range plic;
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addr_range clint;
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ArchUart uart;
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} _PACKED arch_kernel_args;
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#endif /* KERNEL_ARCH_RISCV64_KERNEL_ARGS_H */
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