/usr/powerpc-linux-gnu/include/asm/bootx.h is in linux-libc-dev-powerpc-cross 4.4.0-18.34cross1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 | /*
* This file describes the structure passed from the BootX application
* (for MacOS) when it is used to boot Linux.
*
* Written by Benjamin Herrenschmidt.
*/
#ifndef __ASM_BOOTX_H__
#define __ASM_BOOTX_H__
#include <linux/types.h>
#ifdef macintosh
#include <Types.h>
#include "linux_type_defs.h"
#endif
#ifdef macintosh
/* All this requires PowerPC alignment */
#pragma options align=power
#endif
/* On kernel entry:
*
* r3 = 0x426f6f58 ('BooX')
* r4 = pointer to boot_infos
* r5 = NULL
*
* Data and instruction translation disabled, interrupts
* disabled, kernel loaded at physical 0x00000000 on PCI
* machines (will be different on NuBus).
*/
#define BOOT_INFO_VERSION 5
#define BOOT_INFO_COMPATIBLE_VERSION 1
/* Bit in the architecture flag mask. More to be defined in
future versions. Note that either BOOT_ARCH_PCI or
BOOT_ARCH_NUBUS is set. The other BOOT_ARCH_NUBUS_xxx are
set additionally when BOOT_ARCH_NUBUS is set.
*/
#define BOOT_ARCH_PCI 0x00000001UL
#define BOOT_ARCH_NUBUS 0x00000002UL
#define BOOT_ARCH_NUBUS_PDM 0x00000010UL
#define BOOT_ARCH_NUBUS_PERFORMA 0x00000020UL
#define BOOT_ARCH_NUBUS_POWERBOOK 0x00000040UL
/* Maximum number of ranges in phys memory map */
#define MAX_MEM_MAP_SIZE 26
/* This is the format of an element in the physical memory map. Note that
the map is optional and current BootX will only build it for pre-PCI
machines */
typedef struct boot_info_map_entry
{
__u32 physAddr; /* Physical starting address */
__u32 size; /* Size in bytes */
} boot_info_map_entry_t;
/* Here are the boot informations that are passed to the bootstrap
* Note that the kernel arguments and the device tree are appended
* at the end of this structure. */
typedef struct boot_infos
{
/* Version of this structure */
__u32 version;
/* backward compatible down to version: */
__u32 compatible_version;
/* NEW (vers. 2) this holds the current _logical_ base addr of
the frame buffer (for use by early boot message) */
__u8* logicalDisplayBase;
/* NEW (vers. 4) Apple's machine identification */
__u32 machineID;
/* NEW (vers. 4) Detected hw architecture */
__u32 architecture;
/* The device tree (internal addresses relative to the beginning of the tree,
* device tree offset relative to the beginning of this structure).
* On pre-PCI macintosh (BOOT_ARCH_PCI bit set to 0 in architecture), this
* field is 0.
*/
__u32 deviceTreeOffset; /* Device tree offset */
__u32 deviceTreeSize; /* Size of the device tree */
/* Some infos about the current MacOS display */
__u32 dispDeviceRect[4]; /* left,top,right,bottom */
__u32 dispDeviceDepth; /* (8, 16 or 32) */
__u8* dispDeviceBase; /* base address (physical) */
__u32 dispDeviceRowBytes; /* rowbytes (in bytes) */
__u32 dispDeviceColorsOffset; /* Colormap (8 bits only) or 0 (*) */
/* Optional offset in the registry to the current
* MacOS display. (Can be 0 when not detected) */
__u32 dispDeviceRegEntryOffset;
/* Optional pointer to boot ramdisk (offset from this structure) */
__u32 ramDisk;
__u32 ramDiskSize; /* size of ramdisk image */
/* Kernel command line arguments (offset from this structure) */
__u32 kernelParamsOffset;
/* ALL BELOW NEW (vers. 4) */
/* This defines the physical memory. Valid with BOOT_ARCH_NUBUS flag
(non-PCI) only. On PCI, memory is contiguous and it's size is in the
device-tree. */
boot_info_map_entry_t
physMemoryMap[MAX_MEM_MAP_SIZE]; /* Where the phys memory is */
__u32 physMemoryMapSize; /* How many entries in map */
/* The framebuffer size (optional, currently 0) */
__u32 frameBufferSize; /* Represents a max size, can be 0. */
/* NEW (vers. 5) */
/* Total params size (args + colormap + device tree + ramdisk) */
__u32 totalParamsSize;
} boot_infos_t;
#ifdef macintosh
#pragma options align=reset
#endif
#endif /* __ASM_BOOTX_H__ */
|