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Commit 7d1362c0 authored by Adrian Bunk's avatar Adrian Bunk Committed by Linus Torvalds
Browse files

[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: default avatarAdrian Bunk <bunk@stusta.de>
Acked-by: default avatarRussell King <rmk@arm.linux.org.uk>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent f46ba223

include/asm-arm/setup.h

+55 −49
Original line number Diff line number Diff line
@@ -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

include/asm-arm26/setup.h

+4 −0
Original line number Diff line number Diff line
@@ -16,6 +16,8 @@ 


#define COMMAND_LINE_SIZE 1024



#ifdef __KERNEL__



/* The list ends with an ATAG_NONE node. */

#define ATAG_NONE	0x00000000
@@ -202,4 +204,6 @@ struct meminfo { 


extern struct meminfo meminfo;



#endif  /*  __KERNEL__  */



#endif

include/asm-avr32/setup.h

+4 −0
Original line number Diff line number Diff line
@@ -13,6 +13,8 @@ 


#define COMMAND_LINE_SIZE 256



#ifdef __KERNEL__



/* Magic number indicating that a tag table is present */

#define ATAG_MAGIC	0xa2a25441
@@ -138,4 +140,6 @@ void chip_enable_sdram(void); 


#endif /* !__ASSEMBLY__ */



#endif  /*  __KERNEL__  */



#endif /* __ASM_AVR32_SETUP_H__ */

include/asm-frv/param.h

+0 −1
Original line number Diff line number Diff line
@@ -18,6 +18,5 @@ 
#endif



#define MAXHOSTNAMELEN		64	/* max length of hostname */

#define COMMAND_LINE_SIZE	512



#endif /* _ASM_PARAM_H */

include/asm-frv/setup.h

+6 −0
Original line number Diff line number Diff line
@@ -12,6 +12,10 @@ 
#ifndef _ASM_SETUP_H

#define _ASM_SETUP_H



#define COMMAND_LINE_SIZE       512



#ifdef __KERNEL__



#include <linux/init.h>



#ifndef __ASSEMBLY__
@@ -22,4 +26,6 @@ extern unsigned long __initdata num_mappedpages; 


#endif /* !__ASSEMBLY__ */



#endif  /*  __KERNEL__  */



#endif /* _ASM_SETUP_H */