LXR linux/arch/powerpc/include/asm/bootx.h

   1/*
   2 * This file describes the structure passed from the BootX application
   3 * (for MacOS) when it is used to boot Linux.
   4 *
   5 * Written by Benjamin Herrenschmidt.
   6 */
   7
   8#ifndef __ASM_BOOTX_H__
   9#define __ASM_BOOTX_H__
  10
  11#include <uapi/asm/bootx.h>
  12
  13/* (*) The format of the colormap is 256 * 3 * 2 bytes. Each color index
  14 * is represented by 3 short words containing a 16 bits (unsigned) color
  15 * component. Later versions may contain the gamma table for direct-color
  16 * devices here.
  17 */
  18#define BOOTX_COLORTABLE_SIZE    (256UL*3UL*2UL)
  19
  20/* BootX passes the device-tree using a format that comes from earlier
  21 * ppc32 kernels. This used to match what is in prom.h, but not anymore
  22 * so we now define it here
  23 */
  24struct bootx_dt_prop {
  25        u32     name;
  26        int     length;
  27        u32     value;
  28        u32     next;
  29};
  30
  31struct bootx_dt_node {
  32        u32     unused0;
  33        u32     unused1;
  34        u32     phandle;        /* not really available */
  35        u32     unused2;
  36        u32     unused3;
  37        u32     unused4;
  38        u32     unused5;
  39        u32     full_name;
  40        u32     properties;
  41        u32     parent;
  42        u32     child;
  43        u32     sibling;
  44        u32     next;
  45        u32     allnext;
  46};
  47
  48extern void bootx_init(unsigned long r4, unsigned long phys);
  49
  50#endif
  51