xref: /haiku/headers/private/kernel/arch/m68k/arch_kernel_args.h (revision 020cbad9d40235a2c50a81a42d69912a5ff8fbc4)
1 /*
2 ** Copyright 2003, Axel Dörfler, axeld@pinc-software.de. All rights reserved.
3 ** Distributed under the terms of the OpenBeOS License.
4 */
5 #ifndef KERNEL_ARCH_M68K_KERNEL_ARGS_H
6 #define KERNEL_ARCH_M68K_KERNEL_ARGS_H
7 
8 #ifndef KERNEL_BOOT_KERNEL_ARGS_H
9 #	error This file is included from <boot/kernel_args.h> only
10 #endif
11 
12 #define _PACKED __attribute__((packed))
13 
14 //#define MAX_VIRTUAL_RANGES_TO_KEEP	32
15 
16 // kernel args
17 typedef struct {
18 	int			cpu_type;
19 	int			fpu_type;
20 	int			mmu_type;
21 	int			platform;
22 	bool			has_lpstop; //XXX: use bit flags
23 	// architecture specific
24 	uint64		cpu_frequency;
25 	uint64		bus_frequency;
26 	uint64		time_base_frequency;
27 
28 	// page root table
29 	uint32	phys_pgroot;
30 	uint32	vir_pgroot;
31 //XXX:
32 	addr_range	page_table;		// virtual address and size of the page table
33 	addr_range	exception_handlers;
34 	addr_range	framebuffer;		// maps where the framebuffer is located, in physical memory
35 	int 		screen_x, screen_y, screen_depth;
36 
37 	// The virtual ranges we want to keep in the kernel. E.g. those belonging
38 	// to the Open Firmware.
39 //	uint32		num_virtual_ranges_to_keep;
40 //	addr_range	virtual_ranges_to_keep[MAX_VIRTUAL_RANGES_TO_KEEP];
41 } arch_kernel_args;
42 
43 #endif	/* KERNEL_ARCH_M68K_KERNEL_ARGS_H */
44