/* $Id$
 *
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file "COPYING" in the main directory of this archive
 * for more details.
 *
 * Copyright (C) 1992 - 1997, 1999 Silicon Graphics, Inc.
 * Copyright (C) 1999 by Ralf Baechle
 */
#ifndef _ASM_SN_ADDRS_H
#define _ASM_SN_ADDRS_H

#include <linux/config.h>

#if _LANGUAGE_C
#include <linux/types.h>
#endif /* _LANGUAGE_C */

#if !defined(CONFIG_IA64_SGI_SN1) && !defined(CONFIG_IA64_GENERIC)
#include <asm/addrspace.h>
#include <asm/reg.h>
#include <asm/sn/kldir.h>
#endif	/* CONFIG_IA64_SGI_SN1 */

#if defined(CONFIG_SGI_IP35) || defined(CONFIG_IA64_SGI_SN1) || defined(CONFIG_IA64_GENERIC)
#include <asm/sn/sn1/addrs.h>
#endif


#if _LANGUAGE_C

#define PS_UINT_CAST		(__psunsigned_t)
#define UINT64_CAST		(uint64_t)

#define HUBREG_CAST		(volatile hubreg_t *)

#elif _LANGUAGE_ASSEMBLY

#define PS_UINT_CAST
#define UINT64_CAST
#define HUBREG_CAST

#endif


#define NASID_GET_META(_n)	((_n) >> NASID_LOCAL_BITS)
#if defined CONFIG_SGI_IP35 || defined(CONFIG_IA64_SGI_SN1) || defined(CONFIG_IA64_GENERIC)
#define NASID_GET_LOCAL(_n)	((_n) & 0x7f)
#endif
#define NASID_MAKE(_m, _l)	(((_m) << NASID_LOCAL_BITS) | (_l))

#define NODE_ADDRSPACE_MASK	(NODE_ADDRSPACE_SIZE - 1)
#define TO_NODE_ADDRSPACE(_pa)	(UINT64_CAST (_pa) & NODE_ADDRSPACE_MASK)

#define CHANGE_ADDR_NASID(_pa, _nasid)	\
		((UINT64_CAST (_pa) & ~NASID_MASK) | \
		 (UINT64_CAST(_nasid) <<  NASID_SHFT))


/*
 * The following macros are used to index to the beginning of a specific
 * node's address space.
 */

#define NODE_OFFSET(_n)		(UINT64_CAST (_n) << NODE_SIZE_BITS)

#define NODE_CAC_BASE(_n)	(CAC_BASE   + NODE_OFFSET(_n))
#define NODE_HSPEC_BASE(_n)	(HSPEC_BASE + NODE_OFFSET(_n))
#define NODE_IO_BASE(_n)	(IO_BASE    + NODE_OFFSET(_n))
#define NODE_MSPEC_BASE(_n)	(MSPEC_BASE + NODE_OFFSET(_n))
#define NODE_UNCAC_BASE(_n)	(UNCAC_BASE + NODE_OFFSET(_n))

#define TO_NODE(_n, _x)		(NODE_OFFSET(_n)     | ((_x)		   ))
#define TO_NODE_CAC(_n, _x)	(NODE_CAC_BASE(_n)   | ((_x) & TO_PHYS_MASK))
#define TO_NODE_UNCAC(_n, _x)	(NODE_UNCAC_BASE(_n) | ((_x) & TO_PHYS_MASK))
#define TO_NODE_MSPEC(_n, _x)	(NODE_MSPEC_BASE(_n) | ((_x) & TO_PHYS_MASK))
#define TO_NODE_HSPEC(_n, _x)	(NODE_HSPEC_BASE(_n) | ((_x) & TO_PHYS_MASK))


#define RAW_NODE_SWIN_BASE(nasid, widget)				\
	(NODE_IO_BASE(nasid) + (UINT64_CAST (widget) << SWIN_SIZE_BITS))

#define WIDGETID_GET(addr)	((unsigned char)((addr >> SWIN_SIZE_BITS) & 0xff))

/*
 * The following definitions pertain to the IO special address
 * space.  They define the location of the big and little windows
 * of any given node.
 */

#define SWIN_SIZE_BITS		24
#define SWIN_SIZE		(UINT64_CAST 1 << 24)
#define	SWIN_SIZEMASK		(SWIN_SIZE - 1)
#define	SWIN_WIDGET_MASK	0xF

/*
 * Convert smallwindow address to xtalk address.
 *
 * 'addr' can be physical or virtual address, but will be converted
 * to Xtalk address in the range 0 -> SWINZ_SIZEMASK
 */
#define	SWIN_WIDGETADDR(addr)	((addr) & SWIN_SIZEMASK)
#define	SWIN_WIDGETNUM(addr)	(((addr)  >> SWIN_SIZE_BITS) & SWIN_WIDGET_MASK)
/*
 * Verify if addr belongs to small window address on node with "nasid"
 *
 *
 * NOTE: "addr" is expected to be XKPHYS address, and NOT physical
 * address
 *
 *
 */
#define	NODE_SWIN_ADDR(nasid, addr)	\
		(((addr) >= NODE_SWIN_BASE(nasid, 0))  && \
		 ((addr) <  (NODE_SWIN_BASE(nasid, HUB_NUM_WIDGET) + SWIN_SIZE)\
		 ))

/*
 * The following define the major position-independent aliases used
 * in SN.
 *	UALIAS -- 256MB in size, reads in the UALIAS result in
 *			uncached references to the memory of the reader's node.
 *	CPU_UALIAS -- 128kb in size, the bottom part of UALIAS is flipped
 *			depending on which CPU does the access to provide
 *			all CPUs with unique uncached memory at low addresses.
 *	LBOOT  -- 256MB in size, reads in the LBOOT area result in
 *			uncached references to the local hub's boot prom and
 *			other directory-bus connected devices.
 *	IALIAS -- 8MB in size, reads in the IALIAS result in uncached
 *			references to the local hub's registers.
 */

#define UALIAS_BASE		HSPEC_BASE
#define UALIAS_SIZE		0x10000000	/* 256 Megabytes */
#define CPU_UALIAS		0x20000		/* 128 Kilobytes */
#define UALIAS_CPU_SIZE		(CPU_UALIAS / CPUS_PER_NODE)
#define UALIAS_LIMIT		(UALIAS_BASE + UALIAS_SIZE)

/*
 * The bottom of ualias space is flipped depending on whether you're
 * processor 0 or 1 within a node.
 */
#if defined(CONFIG_SGI_IP35) || defined(CONFIG_IA64_SGI_SN1) || defined(CONFIG_IA64_GENERIC)
#define LREG_BASE		(HSPEC_BASE + 0x10000000)
#define LREG_SIZE		0x8000000  /* 128 MB */
#define LREG_LIMIT		(LREG_BASE + LREG_SIZE)
#define LBOOT_BASE		(LREG_LIMIT)
#define LBOOT_SIZE		0x8000000   /* 128 MB */
#define LBOOT_LIMIT		(LBOOT_BASE + LBOOT_SIZE)
#define LBOOT_STRIDE		0x2000000    /* two PROMs, on 32M boundaries */
#endif

#define	HUB_REGISTER_WIDGET	1
#define IALIAS_BASE		NODE_SWIN_BASE(0, HUB_REGISTER_WIDGET)
#define IALIAS_SIZE		0x800000	/* 8 Megabytes */
#define IS_IALIAS(_a)		(((_a) >= IALIAS_BASE) &&		\
				 ((_a) < (IALIAS_BASE + IALIAS_SIZE)))

/*
 * Macro for referring to Hub's RBOOT space
 */

#if defined(CONFIG_SGI_IP35) || defined(CONFIG_IA64_SGI_SN1) || defined(CONFIG_IA64_GENERIC)

#define NODE_LREG_BASE(_n)	(NODE_HSPEC_BASE(_n) + 0x30000000)
#define NODE_LREG_LIMIT(_n)	(NODE_LREG_BASE(_n) + LREG_SIZE)
#define RREG_BASE(_n)		(NODE_LREG_BASE(_n))
#define RREG_LIMIT(_n)		(NODE_LREG_LIMIT(_n))
#define RBOOT_SIZE		0x8000000	/* 128 Megabytes */
#define NODE_RBOOT_BASE(_n)	(NODE_HSPEC_BASE(_n) + 0x38000000)
#define NODE_RBOOT_LIMIT(_n)	(NODE_RBOOT_BASE(_n) + RBOOT_SIZE)

#endif

/*
 * Macros for referring the Hub's back door space
 *
 *   These macros correctly process addresses in any node's space.
 *   WARNING: They won't work in assembler.
 *
 *   BDDIR_ENTRY_LO returns the address of the low double-word of the dir
 *                  entry corresponding to a physical (Cac or Uncac) address.
 *   BDDIR_ENTRY_HI returns the address of the high double-word of the entry.
 *   BDPRT_ENTRY    returns the address of the double-word protection entry
 *                  corresponding to the page containing the physical address.
 *   BDPRT_ENTRY_S  Stores the value into the protection entry.
 *   BDPRT_ENTRY_L  Load the value from the protection entry.
 *   BDECC_ENTRY    returns the address of the ECC byte corresponding to a
 *                  double-word at a specified physical address.
 *   BDECC_ENTRY_H  returns the address of the two ECC bytes corresponding to a
 *                  quad-word at a specified physical address.
 */
#define NODE_BDOOR_BASE(_n)	(NODE_HSPEC_BASE(_n) + (NODE_ADDRSPACE_SIZE/2))

#define NODE_BDECC_BASE(_n)	(NODE_BDOOR_BASE(_n))
#define NODE_BDDIR_BASE(_n)	(NODE_BDOOR_BASE(_n) + (NODE_ADDRSPACE_SIZE/4))
#if defined(CONFIG_SGI_IP35) || defined(CONFIG_IA64_SGI_SN1) || defined(CONFIG_IA64_GENERIC)
/*
 * Bedrock's directory entries are a single word:  no low/high
 */

#define BDDIR_ENTRY(_pa)	(HSPEC_BASE +				      \
				  NODE_ADDRSPACE_SIZE * 7 / 8  		    | \
				 UINT64_CAST (_pa)	& NASID_MASK	    | \
				 UINT64_CAST (_pa) >> 3 & BDDIR_UPPER_MASK)

#ifdef BRINGUP
        /* minimize source changes by mapping *_LO() & *_HI()   */
#define BDDIR_ENTRY_LO(_pa)     BDDIR_ENTRY(_pa)
#define BDDIR_ENTRY_HI(_pa)     BDDIR_ENTRY(_pa)
#endif /* BRINGUP */

#define BDDIR_PAGE_MASK		(BDDIR_UPPER_MASK & 0x7ffff << 11)
#define BDDIR_PAGE_BASE_MASK	(UINT64_CAST 0xfffffffffffff800)

#ifdef _LANGUAGE_C

#define BDPRT_ENTRY_ADDR(_pa, _rgn)      ((uint64_t *) ( (HSPEC_BASE +       \
                                 NODE_ADDRSPACE_SIZE * 7 / 8 + 0x408)       | \
                                (UINT64_CAST (_pa)      & NASID_MASK)        | \
                                (UINT64_CAST (_pa) >> 3 & BDDIR_PAGE_MASK)   | \
                                (UINT64_CAST (_pa) >> 3 & 0x3 << 4)          | \
                                ((_rgn) & 0x1e) << 5))

static __inline uint64_t BDPRT_ENTRY_L(paddr_t pa,uint32_t rgn) {
	uint64_t word=*BDPRT_ENTRY_ADDR(pa,rgn);

	if(rgn&0x20)			/*If the region is > 32, move it down*/
		word = word >> 32;
	if(rgn&0x1)			/*If the region is odd, get that part */
		word = word >> 16;
	word = word & 0xffff;		/*Get the 16 bits we are interested in*/

	return word;
}

static __inline void BDPRT_ENTRY_S(paddr_t pa,uint32_t rgn,uint64_t val) {
        uint64_t *addr=(uint64_t *)BDPRT_ENTRY_ADDR(pa,rgn);
        uint64_t word,mask;

        word=*addr;
	mask=0;
	if(rgn&0x1) {
		mask|=0x0000ffff0000ffff;
		val=val<<16;
	}
	else
		mask|=0xffff0000ffff0000;
	if(rgn&0x20) {
		mask|=0x00000000ffffffff;
		val=val<<32;
	}
	else
		mask|=0xffffffff00000000;
	word &= mask;
	word |= val;

	*(addr++)=word;
	addr++;
        *(addr++)=word;
        addr++;
        *(addr++)=word;
        addr++;
        *addr=word;
}
#endif	/*_LANGUAGE_C*/

#define BDCNT_ENTRY(_pa)	(HSPEC_BASE +				      \
				  NODE_ADDRSPACE_SIZE * 7 / 8 + 0x8    	    | \
				 UINT64_CAST (_pa)	& NASID_MASK	    | \
				 UINT64_CAST (_pa) >> 3 & BDDIR_PAGE_MASK   | \
				 UINT64_CAST (_pa) >> 3 & 0x3 << 4)


#ifdef    BRINGUP
  /* little endian packing of ecc bytes requires a swizzle */ 
  /* this is problemmatic for memory_init_ecc              */
#endif /* BRINGUP */
#define BDECC_ENTRY(_pa)	(HSPEC_BASE +				      \
				  NODE_ADDRSPACE_SIZE * 5 / 8 		    | \
				 UINT64_CAST (_pa)	& NASID_MASK	    | \
				 UINT64_CAST (_pa) >> 3 & BDECC_UPPER_MASK    \
				   		        ^ 0x7ULL)

#define BDECC_SCRUB(_pa)	(HSPEC_BASE +				      \
				  NODE_ADDRSPACE_SIZE / 2 		    | \
				 UINT64_CAST (_pa)	& NASID_MASK	    | \
				 UINT64_CAST (_pa) >> 3 & BDECC_UPPER_MASK    \
				   		        ^ 0x7ULL)

  /* address for Halfword backdoor ecc access. Note that   */
  /* ecc bytes are packed in little endian order           */
#define BDECC_ENTRY_H(_pa)	(HSPEC_BASE +                                 \
				  NODE_ADDRSPACE_SIZE * 5 / 8		    | \
				 UINT64_CAST (_pa)	 & NASID_MASK	    | \
				 UINT64_CAST (_pa) >> 3 & BDECC_UPPER_MASK    \
				   		        ^ 0x6ULL)

/*
 * Macro to convert a back door directory, protection, page counter, or ecc
 * address into the raw physical address of the associated cache line
 * or protection page.
 */

#define BDDIR_TO_MEM(_ba)	(UINT64_CAST  (_ba) & NASID_MASK            | \
				 (UINT64_CAST (_ba) & BDDIR_UPPER_MASK) << 3)

#ifdef BRINGUP
/*
 * This can't be done since there are 4 entries per address so you'd end up
 * mapping back to 4 different physical addrs.
 */
  
#define BDPRT_TO_MEM(_ba) 	(UINT64_CAST  (_ba) & NASID_MASK	    | \
				 (UINT64_CAST (_ba) & BDDIR_PAGE_MASK) << 3 | \
				 (UINT64_CAST (_ba) & 0x3 << 4) << 3)
#endif

#define BDCNT_TO_MEM(_ba) 	(UINT64_CAST  (_ba) & NASID_MASK	    | \
				 (UINT64_CAST (_ba) & BDDIR_PAGE_MASK) << 3 | \
				 (UINT64_CAST (_ba) & 0x3 << 4) << 3)

#define BDECC_TO_MEM(_ba)	(UINT64_CAST  (_ba) & NASID_MASK	    | \
				 ((UINT64_CAST (_ba) ^ 0x7ULL)                \
				                    & BDECC_UPPER_MASK) << 3 )

#define BDECC_H_TO_MEM(_ba)	(UINT64_CAST  (_ba) & NASID_MASK	    | \
				 ((UINT64_CAST (_ba) ^ 0x6ULL)                \
				                    & BDECC_UPPER_MASK) << 3 )

#define BDADDR_IS_DIR(_ba)	((UINT64_CAST  (_ba) & 0x8) == 0)
#define BDADDR_IS_PRT(_ba)	((UINT64_CAST  (_ba) & 0x408) == 0x408)
#define BDADDR_IS_CNT(_ba)	((UINT64_CAST  (_ba) & 0x8) == 0x8)

#endif /* CONFIG_SGI_IP35 */


/*
 * The following macros produce the correct base virtual address for
 * the hub registers.  The LOCAL_HUB_* macros produce the appropriate
 * address for the local registers.  The REMOTE_HUB_* macro produce
 * the address for the specified hub's registers.  The intent is
 * that the appropriate PI, MD, NI, or II register would be substituted
 * for _x.
 */

/*
 * WARNING:
 *	When certain Hub chip workaround are defined, it's not sufficient
 *	to dereference the *_HUB_ADDR() macros.  You should instead use
 *	HUB_L() and HUB_S() if you must deal with pointers to hub registers.
 *	Otherwise, the recommended approach is to use *_HUB_L() and *_HUB_S().
 *	They're always safe.
 */
#define LOCAL_HUB_ADDR(_x)	(HUBREG_CAST (IALIAS_BASE + (_x)))
#define REMOTE_HUB_ADDR(_n, _x)	(HUBREG_CAST (NODE_SWIN_BASE(_n, 1) +	\
					      0x800000 + (_x)))
#if defined(CONFIG_SGI_IP35) || defined(CONFIG_IA64_SGI_SN1) || defined(CONFIG_IA64_GENERIC)
#define REMOTE_HUB_PI_ADDR(_n, _sn, _x)	(HUBREG_CAST (NODE_SWIN_BASE(_n, 1) +	\
					      0x800000 + PIREG(_x, _sn)))
#define LOCAL_HSPEC_ADDR(_x)		(HUBREG_CAST (LREG_BASE + (_x)))
#define REMOTE_HSPEC_ADDR(_n, _x)	(HUBREG_CAST (RREG_BASE(_n) + (_x)))
#endif /* CONFIG_SGI_IP35 */

#if _LANGUAGE_C

#define HUB_L(_a)			*(_a)
#define	HUB_S(_a, _d)			*(_a) = (_d)

#define LOCAL_HUB_L(_r)			HUB_L(LOCAL_HUB_ADDR(_r))
#define LOCAL_HUB_S(_r, _d)		HUB_S(LOCAL_HUB_ADDR(_r), (_d))
#define REMOTE_HUB_L(_n, _r)		HUB_L(REMOTE_HUB_ADDR((_n), (_r)))
#define REMOTE_HUB_S(_n, _r, _d)	HUB_S(REMOTE_HUB_ADDR((_n), (_r)), (_d))
#define REMOTE_HUB_PI_L(_n, _sn, _r)	HUB_L(REMOTE_HUB_PI_ADDR((_n), (_sn), (_r)))
#define REMOTE_HUB_PI_S(_n, _sn, _r, _d) HUB_S(REMOTE_HUB_PI_ADDR((_n), (_sn), (_r)), (_d))

#if defined(CONFIG_SGI_IP35) || defined(CONFIG_IA64_SGI_SN1) || defined(CONFIG_IA64_GENERIC)
#define LOCAL_HSPEC_L(_r)	     HUB_L(LOCAL_HSPEC_ADDR(_r))
#define LOCAL_HSPEC_S(_r, _d)	     HUB_S(LOCAL_HSPEC_ADDR(_r), (_d))
#define REMOTE_HSPEC_L(_n, _r)	     HUB_L(REMOTE_HSPEC_ADDR((_n), (_r)))
#define REMOTE_HSPEC_S(_n, _r, _d)   HUB_S(REMOTE_HSPEC_ADDR((_n), (_r)), (_d))
#endif /* CONFIG_SGI_IP35 */

#endif /* _LANGUAGE_C */

/*
 * The following macros are used to get to a hub/bridge register, given
 * the base of the register space.
 */
#define HUB_REG_PTR(_base, _off)	\
	(HUBREG_CAST ((__psunsigned_t)(_base) + (__psunsigned_t)(_off)))

#define HUB_REG_PTR_L(_base, _off)	\
	HUB_L(HUB_REG_PTR((_base), (_off)))

#define HUB_REG_PTR_S(_base, _off, _data)	\
	HUB_S(HUB_REG_PTR((_base), (_off)), (_data))

/*
 * Software structure locations -- permanently fixed
 *    See diagram in kldir.h
 */

#define PHYS_RAMBASE		0x0
#define K0_RAMBASE		PHYS_TO_K0(PHYS_RAMBASE)

#define ARCS_SPB_OFFSET		0x1000
#define ARCS_SPB_ADDR(nasid)						\
	PHYS_TO_K0(NODE_OFFSET(nasid) | ARCS_SPB_OFFSET)
#define ARCS_SPB_SIZE		0x0400

#define KLDIR_OFFSET		0x2000
#ifndef __ia64
#define KLDIR_ADDR(nasid)						\
	TO_NODE_UNCAC((nasid), KLDIR_OFFSET)
#else
#define KLDIR_ADDR(nasid)                                               \
        TO_NODE_CAC((nasid), KLDIR_OFFSET)
#endif
#define KLDIR_SIZE		0x0400


/*
 * Software structure locations -- indirected through KLDIR
 *    See diagram in kldir.h
 *
 * Important:	All low memory structures must only be accessed
 *		uncached, except for the symmon stacks.
 */

#define KLI_LAUNCH		0		/* Dir. entries */
#define KLI_KLCONFIG		1
#define	KLI_NMI			2
#define KLI_GDA			3
#define KLI_FREEMEM		4
#define	KLI_SYMMON_STK		5
#define KLI_PI_ERROR		6
#define KLI_KERN_VARS		7
#define	KLI_KERN_XP		8
#define	KLI_KERN_PARTID		9

#if _LANGUAGE_C

#define KLD_BASE(nasid)		((kldir_ent_t *) KLDIR_ADDR(nasid))
#define KLD_LAUNCH(nasid)	(KLD_BASE(nasid) + KLI_LAUNCH)
#define KLD_NMI(nasid)		(KLD_BASE(nasid) + KLI_NMI)
#define KLD_KLCONFIG(nasid)	(KLD_BASE(nasid) + KLI_KLCONFIG)
#define KLD_PI_ERROR(nasid)	(KLD_BASE(nasid) + KLI_PI_ERROR)
#define KLD_GDA(nasid)		(KLD_BASE(nasid) + KLI_GDA)
#define KLD_SYMMON_STK(nasid)	(KLD_BASE(nasid) + KLI_SYMMON_STK)
#define KLD_FREEMEM(nasid)	(KLD_BASE(nasid) + KLI_FREEMEM)
#define KLD_KERN_VARS(nasid)	(KLD_BASE(nasid) + KLI_KERN_VARS)
#define	KLD_KERN_XP(nasid)	(KLD_BASE(nasid) + KLI_KERN_XP)
#define	KLD_KERN_PARTID(nasid)	(KLD_BASE(nasid) + KLI_KERN_PARTID)

#define LAUNCH_OFFSET(nasid, slice)					\
	(KLD_LAUNCH(nasid)->offset +					\
	 KLD_LAUNCH(nasid)->stride * (slice))
#define LAUNCH_ADDR(nasid, slice)					\
	TO_NODE_UNCAC((nasid), LAUNCH_OFFSET(nasid, slice))
#define LAUNCH_SIZE(nasid)	KLD_LAUNCH(nasid)->size

#define NMI_OFFSET(nasid, slice)					\
	(KLD_NMI(nasid)->offset +					\
	 KLD_NMI(nasid)->stride * (slice))
#define NMI_ADDR(nasid, slice)						\
	TO_NODE_UNCAC((nasid), NMI_OFFSET(nasid, slice))
#define NMI_SIZE(nasid)	KLD_NMI(nasid)->size

#define KLCONFIG_OFFSET(nasid)	KLD_KLCONFIG(nasid)->offset
#define KLCONFIG_ADDR(nasid)						\
	TO_NODE_UNCAC((nasid), KLCONFIG_OFFSET(nasid))
#define KLCONFIG_SIZE(nasid)	KLD_KLCONFIG(nasid)->size

#define GDA_ADDR(nasid)		KLD_GDA(nasid)->pointer
#define GDA_SIZE(nasid)		KLD_GDA(nasid)->size

#define SYMMON_STK_OFFSET(nasid, slice)					\
	(KLD_SYMMON_STK(nasid)->offset +				\
	 KLD_SYMMON_STK(nasid)->stride * (slice))
#define SYMMON_STK_STRIDE(nasid)	KLD_SYMMON_STK(nasid)->stride

#define SYMMON_STK_ADDR(nasid, slice)					\
	TO_NODE_CAC((nasid), SYMMON_STK_OFFSET(nasid, slice))

#define SYMMON_STK_SIZE(nasid)	KLD_SYMMON_STK(nasid)->stride

#define SYMMON_STK_END(nasid)	(SYMMON_STK_ADDR(nasid, 0) + KLD_SYMMON_STK(nasid)->size)

/* loading symmon 4k below UNIX. the arcs loader needs the topaddr for a
 * relocatable program
 */
#if defined(CONFIG_SGI_IP35) || defined(CONFIG_IA64_SGI_SN1) || defined(CONFIG_IA64_GENERIC)
/* update master.d/sn1_elspec.dbg, SN1/addrs.h/DEBUGUNIX_ADDR, and
 * DBGLOADADDR in symmon's Makefile when changing this */
#define UNIX_DEBUG_LOADADDR     0x310000
#elif defined(SN0XXL)
#define UNIX_DEBUG_LOADADDR     0x360000
#else
#define	UNIX_DEBUG_LOADADDR	0x300000
#endif
#define	SYMMON_LOADADDR(nasid)						\
	TO_NODE(nasid, PHYS_TO_K0(UNIX_DEBUG_LOADADDR - 0x1000))

#define FREEMEM_OFFSET(nasid)	KLD_FREEMEM(nasid)->offset
#define FREEMEM_ADDR(nasid)	SYMMON_STK_END(nasid)
/*
 * XXX
 * Fix this. FREEMEM_ADDR should be aware of if symmon is loaded.
 * Also, it should take into account what prom thinks to be a safe
 * address
	PHYS_TO_K0(NODE_OFFSET(nasid) + FREEMEM_OFFSET(nasid))
 */
#define FREEMEM_SIZE(nasid)	KLD_FREEMEM(nasid)->size

#define PI_ERROR_OFFSET(nasid)	KLD_PI_ERROR(nasid)->offset
#define PI_ERROR_ADDR(nasid)						\
	TO_NODE_UNCAC((nasid), PI_ERROR_OFFSET(nasid))
#define PI_ERROR_SIZE(nasid)	KLD_PI_ERROR(nasid)->size

#define NODE_OFFSET_TO_K0(_nasid, _off)					\
	(PAGE_OFFSET | NODE_OFFSET(_nasid) | (_off))
#define K0_TO_NODE_OFFSET(_k0addr)					\
	((__psunsigned_t)(_k0addr) & NODE_ADDRSPACE_MASK)

#define KERN_VARS_ADDR(nasid)	KLD_KERN_VARS(nasid)->pointer
#define KERN_VARS_SIZE(nasid)	KLD_KERN_VARS(nasid)->size

#define	KERN_XP_ADDR(nasid)	KLD_KERN_XP(nasid)->pointer
#define	KERN_XP_SIZE(nasid)	KLD_KERN_XP(nasid)->size

#define GPDA_ADDR(nasid)	TO_NODE_CAC(nasid, GPDA_OFFSET)

#endif /* _LANGUAGE_C */


#endif /* _ASM_SN_ADDRS_H */