1 /* 2 * Copyright 2002-2009, Axel Dörfler, axeld@pinc-software.de. 3 * Distributed under the terms of the MIT License. 4 * 5 * Copyright 2001-2002, Travis Geiselbrecht. All rights reserved. 6 * Distributed under the terms of the NewOS License. 7 */ 8 #ifndef KERNEL_BOOT_KERNEL_ARGS_H 9 #define KERNEL_BOOT_KERNEL_ARGS_H 10 11 12 #include <SupportDefs.h> 13 14 #include <boot/elf.h> 15 #include <boot/disk_identifier.h> 16 #include <boot/driver_settings.h> 17 18 #include <platform_kernel_args.h> 19 #include <arch_kernel_args.h> 20 21 #include <util/FixedWidthPointer.h> 22 23 24 #define CURRENT_KERNEL_ARGS_VERSION 1 25 #define MAX_KERNEL_ARGS_RANGE 20 26 27 // names of common boot_volume fields 28 #define BOOT_METHOD "boot method" 29 #define BOOT_VOLUME_USER_SELECTED "user selected" 30 #define BOOT_VOLUME_BOOTED_FROM_IMAGE "booted from image" 31 #define BOOT_VOLUME_PARTITION_OFFSET "partition offset" 32 #define BOOT_VOLUME_DISK_IDENTIFIER "disk identifier" 33 34 // boot methods 35 enum { 36 BOOT_METHOD_HARD_DISK = 0, 37 BOOT_METHOD_CD = 1, 38 BOOT_METHOD_NET = 2, 39 40 BOOT_METHOD_DEFAULT = BOOT_METHOD_HARD_DISK 41 }; 42 43 typedef struct kernel_args { 44 uint32 kernel_args_size; 45 uint32 version; 46 47 FixedWidthPointer<struct preloaded_image> kernel_image; 48 FixedWidthPointer<struct preloaded_image> preloaded_images; 49 50 uint32 num_physical_memory_ranges; 51 addr_range physical_memory_range[MAX_PHYSICAL_MEMORY_RANGE]; 52 uint32 num_physical_allocated_ranges; 53 addr_range physical_allocated_range[MAX_PHYSICAL_ALLOCATED_RANGE]; 54 uint32 num_virtual_allocated_ranges; 55 addr_range virtual_allocated_range[MAX_VIRTUAL_ALLOCATED_RANGE]; 56 uint32 num_kernel_args_ranges; 57 addr_range kernel_args_range[MAX_KERNEL_ARGS_RANGE]; 58 uint64 ignored_physical_memory; 59 60 uint32 num_cpus; 61 addr_range cpu_kstack[MAX_BOOT_CPUS]; 62 63 // boot volume KMessage data 64 FixedWidthPointer<void> boot_volume; 65 int32 boot_volume_size; 66 67 FixedWidthPointer<struct driver_settings_file> driver_settings; 68 69 struct { 70 addr_range physical_buffer; 71 uint32 bytes_per_row; 72 uint16 width; 73 uint16 height; 74 uint8 depth; 75 bool enabled; 76 } frame_buffer; 77 78 FixedWidthPointer<void> vesa_modes; 79 uint16 vesa_modes_size; 80 uint8 vesa_capabilities; 81 FixedWidthPointer<void> edid_info; 82 83 FixedWidthPointer<void> debug_output; 84 uint32 debug_size; 85 bool keep_debug_output_buffer; 86 87 platform_kernel_args platform_args; 88 arch_kernel_args arch_args; 89 90 // bootsplash data 91 FixedWidthPointer<uint8> boot_splash; 92 93 } _PACKED kernel_args; 94 95 #endif /* KERNEL_BOOT_KERNEL_ARGS_H */ 96