xref: /haiku/headers/private/kernel/arch/sparc/arch_kernel_args.h (revision 21258e2674226d6aa732321b6f8494841895af5f)
1 /*
2 ** Copyright 2003, Axel Dörfler, axeld@pinc-software.de. All rights reserved.
3 ** Copyright 2019, Adrien Destugues, pulkomandy@pulkomandy.tk. All rights reserved.
4 ** Distributed under the terms of the MIT License.
5 */
6 #ifndef KERNEL_ARCH_SPARC_KERNEL_ARGS_H
7 #define KERNEL_ARCH_SPARC_KERNEL_ARGS_H
8 
9 #ifndef KERNEL_BOOT_KERNEL_ARGS_H
10 #	error This file is included from <boot/kernel_args.h> only
11 #endif
12 
13 #define _PACKED __attribute__((packed))
14 
15 #define MAX_VIRTUAL_RANGES_TO_KEEP	32
16 
17 // kernel args
18 typedef struct {
19 	// architecture specific
20 	uint64		cpu_frequency;
21 	uint64		bus_frequency;
22 	uint64		time_base_frequency;
23 
24 	addr_range	framebuffer;		// maps where the framebuffer is located, in physical memory
25 	int 		screen_x, screen_y, screen_depth;
26 
27 	// The virtual ranges we want to keep in the kernel. E.g. those belonging
28 	// to the Open Firmware.
29 	uint32		num_virtual_ranges_to_keep;
30 	addr_range	virtual_ranges_to_keep[MAX_VIRTUAL_RANGES_TO_KEEP];
31 
32 	// platform type we booted from
33 	int			platform;
34 } arch_kernel_args;
35 
36 #endif	/* KERNEL_ARCH_SPARC_KERNEL_ARGS_H */
37 
38