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_PACKAGED "packaged" 32 #define BOOT_VOLUME_PARTITION_OFFSET "partition offset" 33 #define BOOT_VOLUME_DISK_IDENTIFIER "disk identifier" 34 35 // boot methods 36 enum { 37 BOOT_METHOD_HARD_DISK = 0, 38 BOOT_METHOD_CD = 1, 39 BOOT_METHOD_NET = 2, 40 41 BOOT_METHOD_DEFAULT = BOOT_METHOD_HARD_DISK 42 }; 43 44 typedef struct kernel_args { 45 uint32 kernel_args_size; 46 uint32 version; 47 48 FixedWidthPointer<struct preloaded_image> kernel_image; 49 FixedWidthPointer<struct preloaded_image> preloaded_images; 50 51 uint32 num_physical_memory_ranges; 52 addr_range physical_memory_range[MAX_PHYSICAL_MEMORY_RANGE]; 53 uint32 num_physical_allocated_ranges; 54 addr_range physical_allocated_range[MAX_PHYSICAL_ALLOCATED_RANGE]; 55 uint32 num_virtual_allocated_ranges; 56 addr_range virtual_allocated_range[MAX_VIRTUAL_ALLOCATED_RANGE]; 57 uint32 num_kernel_args_ranges; 58 addr_range kernel_args_range[MAX_KERNEL_ARGS_RANGE]; 59 uint64 ignored_physical_memory; 60 61 uint32 num_cpus; 62 addr_range cpu_kstack[MAX_BOOT_CPUS]; 63 64 // boot volume KMessage data 65 FixedWidthPointer<void> boot_volume; 66 int32 boot_volume_size; 67 68 FixedWidthPointer<struct driver_settings_file> driver_settings; 69 70 struct { 71 addr_range physical_buffer; 72 uint32 bytes_per_row; 73 uint16 width; 74 uint16 height; 75 uint8 depth; 76 bool enabled; 77 } frame_buffer; 78 79 FixedWidthPointer<void> vesa_modes; 80 uint16 vesa_modes_size; 81 uint8 vesa_capabilities; 82 FixedWidthPointer<void> edid_info; 83 84 FixedWidthPointer<void> debug_output; 85 uint32 debug_size; 86 bool keep_debug_output_buffer; 87 88 platform_kernel_args platform_args; 89 arch_kernel_args arch_args; 90 91 // bootsplash data 92 FixedWidthPointer<uint8> boot_splash; 93 94 } _PACKED kernel_args; 95 96 #endif /* KERNEL_BOOT_KERNEL_ARGS_H */ 97