addrs.h

umon bootloader source code, support mips cpu.

#define BDADDR_IS_DIR(_ba)	((UINT64_CAST  (_ba) & 0x200) != 0)
#define BDADDR_IS_PRT(_ba)	((UINT64_CAST  (_ba) & 0x200) == 0)

#define BDDIR_TO_MEM(_ba)	(UINT64_CAST  (_ba) & NASID_MASK            | \
				 (UINT64_CAST (_ba) & BDDIR_UPPER_MASK)<<2  | \
				 (UINT64_CAST (_ba) & 0x1f << 4) << 3)

#define BDPRT_TO_MEM(_ba) 	(UINT64_CAST  (_ba) & NASID_MASK	    | \
				 (UINT64_CAST (_ba) & BDDIR_UPPER_MASK)<<2)

#define BDECC_TO_MEM(_ba)	(UINT64_CAST  (_ba) & NASID_MASK	    | \
				 (UINT64_CAST (_ba) & BDECC_UPPER_MASK)<<2  | \
				 (UINT64_CAST (_ba) & 3) << 3)
#endif /* CONFIG_SGI_IP27 */


/*
 * 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.
 */

#ifdef _STANDALONE

/* DO NOT USE THESE DIRECTLY IN THE KERNEL. SEE BELOW. */
#define LOCAL_HUB(_x)		(HUBREG_CAST (IALIAS_BASE + (_x)))
#define REMOTE_HUB(_n, _x)	(HUBREG_CAST (NODE_SWIN_BASE(_n, 1) +	\
					      0x800000 + (_x)))
#endif /* _STANDALONE */

/*
 * 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)))
#ifdef CONFIG_SGI_IP27
#define REMOTE_HUB_PI_ADDR(_n, _sn, _x)	(HUBREG_CAST (NODE_SWIN_BASE(_n, 1) +	\
					      0x800000 + (_x)))
#endif /* CONFIG_SGI_IP27 */

#ifndef __ASSEMBLY__

#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))

#endif /* !__ASSEMBLY__ */

/*
 * 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 EX_HANDLER_OFFSET(slice) ((slice) << 16)
#define EX_HANDLER_ADDR(nasid, slice)					\
	PHYS_TO_K0(NODE_OFFSET(nasid) | EX_HANDLER_OFFSET(slice))
#define EX_HANDLER_SIZE		0x0400

#define EX_FRAME_OFFSET(slice)	((slice) << 16 | 0x400)
#define EX_FRAME_ADDR(nasid, slice)					\
	PHYS_TO_K0(NODE_OFFSET(nasid) | EX_FRAME_OFFSET(slice))
#define EX_FRAME_SIZE		0x0c00

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

#ifdef _STANDALONE

#define ARCS_TVECTOR_OFFSET	0x2800
#define ARCS_PVECTOR_OFFSET	0x2c00

/*
 * These addresses are used by the master CPU to install the transfer
 * and private vectors.  All others use the SPB to find them.
 */
#define TVADDR	(NODE_CAC_BASE(get_nasid()) + ARCS_TVECTOR_OFFSET)
#define PVADDR	(NODE_CAC_BASE(get_nasid()) + ARCS_PVECTOR_OFFSET)

#endif /* _STANDALONE */

#define KLDIR_OFFSET		0x2000
#define KLDIR_ADDR(nasid)						\
	TO_NODE_UNCAC((nasid), KLDIR_OFFSET)
#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

#ifndef __ASSEMBLY__

#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
 */
#define	UNIX_DEBUG_LOADADDR	0x300000
#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)					\
	PHYS_TO_K0((NODE_OFFSET(_nasid) + (_off)) | CAC_BASE)
#define NODE_OFFSET_TO_K1(_nasid, _off)					\
	TO_UNCAC((NODE_OFFSET(_nasid) + (_off)) | UNCAC_BASE)
#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 /* !__ASSEMBLY__ */


#endif /* _ASM_SN_ADDRS_H */