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  */
  24 struct bootx_dt_prop {
  25         u32     name;
  26         int     length;
  27         u32     value;
  28         u32     next;
  29 };
  30
  31 struct 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
  48 extern void bootx_init(unsigned long r4, unsigned long phys);
  49
  50 #endif