[PATCH] cleanup asm/setup.h userspace visibility

Make the contents of the userspace asm/setup.h header consistent on all
architectures:

 - export setup.h to userspace on all architectures
 - export only COMMAND_LINE_SIZE to userspace
 - frv: move COMMAND_LINE_SIZE from param.h
 - i386: remove duplicate COMMAND_LINE_SIZE from param.h
 - arm:
   - export ATAGs to userspace
   - change u8/u16/u32 to __u8/__u16/__u32

Signed-off-by: Adrian Bunk <bunk@stusta.de>
Acked-by: Russell King <rmk@arm.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Adrian Bunk
2006-12-06 20:40:38 -08:00
committed by Linus Torvalds
parent f46ba2235f
commit 7d1362c0d0
19 changed files with 102 additions and 68 deletions

View File

@@ -14,55 +14,57 @@
#ifndef __ASMARM_SETUP_H
#define __ASMARM_SETUP_H
#include <asm/types.h>
#define COMMAND_LINE_SIZE 1024
/* The list ends with an ATAG_NONE node. */
#define ATAG_NONE 0x00000000
struct tag_header {
u32 size;
u32 tag;
__u32 size;
__u32 tag;
};
/* The list must start with an ATAG_CORE node */
#define ATAG_CORE 0x54410001
struct tag_core {
u32 flags; /* bit 0 = read-only */
u32 pagesize;
u32 rootdev;
__u32 flags; /* bit 0 = read-only */
__u32 pagesize;
__u32 rootdev;
};
/* it is allowed to have multiple ATAG_MEM nodes */
#define ATAG_MEM 0x54410002
struct tag_mem32 {
u32 size;
u32 start; /* physical start address */
__u32 size;
__u32 start; /* physical start address */
};
/* VGA text type displays */
#define ATAG_VIDEOTEXT 0x54410003
struct tag_videotext {
u8 x;
u8 y;
u16 video_page;
u8 video_mode;
u8 video_cols;
u16 video_ega_bx;
u8 video_lines;
u8 video_isvga;
u16 video_points;
__u8 x;
__u8 y;
__u16 video_page;
__u8 video_mode;
__u8 video_cols;
__u16 video_ega_bx;
__u8 video_lines;
__u8 video_isvga;
__u16 video_points;
};
/* describes how the ramdisk will be used in kernel */
#define ATAG_RAMDISK 0x54410004
struct tag_ramdisk {
u32 flags; /* bit 0 = load, bit 1 = prompt */
u32 size; /* decompressed ramdisk size in _kilo_ bytes */
u32 start; /* starting block of floppy-based RAM disk image */
__u32 flags; /* bit 0 = load, bit 1 = prompt */
__u32 size; /* decompressed ramdisk size in _kilo_ bytes */
__u32 start; /* starting block of floppy-based RAM disk image */
};
/* describes where the compressed ramdisk image lives (virtual address) */
@@ -76,23 +78,23 @@ struct tag_ramdisk {
#define ATAG_INITRD2 0x54420005
struct tag_initrd {
u32 start; /* physical start address */
u32 size; /* size of compressed ramdisk image in bytes */
__u32 start; /* physical start address */
__u32 size; /* size of compressed ramdisk image in bytes */
};
/* board serial number. "64 bits should be enough for everybody" */
#define ATAG_SERIAL 0x54410006
struct tag_serialnr {
u32 low;
u32 high;
__u32 low;
__u32 high;
};
/* board revision */
#define ATAG_REVISION 0x54410007
struct tag_revision {
u32 rev;
__u32 rev;
};
/* initial values for vesafb-type framebuffers. see struct screen_info
@@ -101,20 +103,20 @@ struct tag_revision {
#define ATAG_VIDEOLFB 0x54410008
struct tag_videolfb {
u16 lfb_width;
u16 lfb_height;
u16 lfb_depth;
u16 lfb_linelength;
u32 lfb_base;
u32 lfb_size;
u8 red_size;
u8 red_pos;
u8 green_size;
u8 green_pos;
u8 blue_size;
u8 blue_pos;
u8 rsvd_size;
u8 rsvd_pos;
__u16 lfb_width;
__u16 lfb_height;
__u16 lfb_depth;
__u16 lfb_linelength;
__u32 lfb_base;
__u32 lfb_size;
__u8 red_size;
__u8 red_pos;
__u8 green_size;
__u8 green_pos;
__u8 blue_size;
__u8 blue_pos;
__u8 rsvd_size;
__u8 rsvd_pos;
};
/* command line: \0 terminated string */
@@ -128,17 +130,17 @@ struct tag_cmdline {
#define ATAG_ACORN 0x41000101
struct tag_acorn {
u32 memc_control_reg;
u32 vram_pages;
u8 sounddefault;
u8 adfsdrives;
__u32 memc_control_reg;
__u32 vram_pages;
__u8 sounddefault;
__u8 adfsdrives;
};
/* footbridge memory clock, see arch/arm/mach-footbridge/arch.c */
#define ATAG_MEMCLK 0x41000402
struct tag_memclk {
u32 fmemclk;
__u32 fmemclk;
};
struct tag {
@@ -167,24 +169,26 @@ struct tag {
};
struct tagtable {
u32 tag;
__u32 tag;
int (*parse)(const struct tag *);
};
#define __tag __attribute_used__ __attribute__((__section__(".taglist.init")))
#define __tagtable(tag, fn) \
static struct tagtable __tagtable_##fn __tag = { tag, fn }
#define tag_member_present(tag,member) \
((unsigned long)(&((struct tag *)0L)->member + 1) \
<= (tag)->hdr.size * 4)
#define tag_next(t) ((struct tag *)((u32 *)(t) + (t)->hdr.size))
#define tag_next(t) ((struct tag *)((__u32 *)(t) + (t)->hdr.size))
#define tag_size(type) ((sizeof(struct tag_header) + sizeof(struct type)) >> 2)
#define for_each_tag(t,base) \
for (t = base; t->hdr.size; t = tag_next(t))
#ifdef __KERNEL__
#define __tag __attribute_used__ __attribute__((__section__(".taglist.init")))
#define __tagtable(tag, fn) \
static struct tagtable __tagtable_##fn __tag = { tag, fn }
/*
* Memory map description
*/
@@ -217,4 +221,6 @@ struct early_params {
static struct early_params __early_##fn __attribute_used__ \
__attribute__((__section__(".early_param.init"))) = { name, fn }
#endif /* __KERNEL__ */
#endif