sym_defs.h

内核linux2.4.20,可跟rtlinux3.2打补丁 组成实时linux系统,编译内核

struct sym_tblsel {
        u_char  sel_scntl4;	/* C1010 only */
        u_char  sel_sxfer;
        u_char  sel_id;
        u_char  sel_scntl3;
};

#define SCR_JMP_REL     0x04000000
#define SCR_ID(id)	(((u32)(id)) << 16)

/*-----------------------------------------------------------
 *
 *	Waiting for Disconnect or Reselect
 *
 *-----------------------------------------------------------
 *
 *	WAIT_DISC
 *	dummy: <<alternate_address>>
 *
 *	WAIT_RESEL
 *	<<alternate_address>>
 *
 *-----------------------------------------------------------
 */

#define	SCR_WAIT_DISC	0x48000000
#define SCR_WAIT_RESEL  0x50000000

#ifdef SYM_CONF_TARGET_ROLE_SUPPORT
#define	SCR_DISCONNECT	0x48000000
#endif

/*-----------------------------------------------------------
 *
 *	Bit Set / Reset
 *
 *-----------------------------------------------------------
 *
 *	SET (flags {|.. })
 *
 *	CLR (flags {|.. })
 *
 *-----------------------------------------------------------
 */

#define SCR_SET(f)     (0x58000000 | (f))
#define SCR_CLR(f)     (0x60000000 | (f))

#define	SCR_CARRY	0x00000400
#define	SCR_TRG		0x00000200
#define	SCR_ACK		0x00000040
#define	SCR_ATN		0x00000008


/*-----------------------------------------------------------
 *
 *	Memory to memory move
 *
 *-----------------------------------------------------------
 *
 *	COPY (bytecount)
 *	<< source_address >>
 *	<< destination_address >>
 *
 *	SCR_COPY   sets the NO FLUSH option by default.
 *	SCR_COPY_F does not set this option.
 *
 *	For chips which do not support this option,
 *	sym_fw_bind_script() will remove this bit.
 *
 *-----------------------------------------------------------
 */

#define SCR_NO_FLUSH 0x01000000

#define SCR_COPY(n) (0xc0000000 | SCR_NO_FLUSH | (n))
#define SCR_COPY_F(n) (0xc0000000 | (n))

/*-----------------------------------------------------------
 *
 *	Register move and binary operations
 *
 *-----------------------------------------------------------
 *
 *	SFBR_REG (reg, op, data)        reg  = SFBR op data
 *	<< 0 >>
 *
 *	REG_SFBR (reg, op, data)        SFBR = reg op data
 *	<< 0 >>
 *
 *	REG_REG  (reg, op, data)        reg  = reg op data
 *	<< 0 >>
 *
 *-----------------------------------------------------------
 *
 *	On 825A, 875, 895 and 896 chips the content 
 *	of SFBR register can be used as data (SCR_SFBR_DATA).
 *	The 896 has additionnal IO registers starting at 
 *	offset 0x80. Bit 7 of register offset is stored in 
 *	bit 7 of the SCRIPTS instruction first DWORD.
 *
 *-----------------------------------------------------------
 */

#define SCR_REG_OFS(ofs) ((((ofs) & 0x7f) << 16ul) + ((ofs) & 0x80)) 

#define SCR_SFBR_REG(reg,op,data) \
        (0x68000000 | (SCR_REG_OFS(REG(reg))) | (op) | (((data)&0xff)<<8ul))

#define SCR_REG_SFBR(reg,op,data) \
        (0x70000000 | (SCR_REG_OFS(REG(reg))) | (op) | (((data)&0xff)<<8ul))

#define SCR_REG_REG(reg,op,data) \
        (0x78000000 | (SCR_REG_OFS(REG(reg))) | (op) | (((data)&0xff)<<8ul))


#define      SCR_LOAD   0x00000000
#define      SCR_SHL    0x01000000
#define      SCR_OR     0x02000000
#define      SCR_XOR    0x03000000
#define      SCR_AND    0x04000000
#define      SCR_SHR    0x05000000
#define      SCR_ADD    0x06000000
#define      SCR_ADDC   0x07000000

#define      SCR_SFBR_DATA   (0x00800000>>8ul)	/* Use SFBR as data */

/*-----------------------------------------------------------
 *
 *	FROM_REG (reg)		  SFBR = reg
 *	<< 0 >>
 *
 *	TO_REG	 (reg)		  reg  = SFBR
 *	<< 0 >>
 *
 *	LOAD_REG (reg, data)	  reg  = <data>
 *	<< 0 >>
 *
 *	LOAD_SFBR(data) 	  SFBR = <data>
 *	<< 0 >>
 *
 *-----------------------------------------------------------
 */

#define	SCR_FROM_REG(reg) \
	SCR_REG_SFBR(reg,SCR_OR,0)

#define	SCR_TO_REG(reg) \
	SCR_SFBR_REG(reg,SCR_OR,0)

#define	SCR_LOAD_REG(reg,data) \
	SCR_REG_REG(reg,SCR_LOAD,data)

#define SCR_LOAD_SFBR(data) \
        (SCR_REG_SFBR (gpreg, SCR_LOAD, data))

/*-----------------------------------------------------------
 *
 *	LOAD  from memory   to register.
 *	STORE from register to memory.
 *
 *	Only supported by 810A, 860, 825A, 875, 895 and 896.
 *
 *-----------------------------------------------------------
 *
 *	LOAD_ABS (LEN)
 *	<<start address>>
 *
 *	LOAD_REL (LEN)        (DSA relative)
 *	<<dsa_offset>>
 *
 *-----------------------------------------------------------
 */

#define SCR_REG_OFS2(ofs) (((ofs) & 0xff) << 16ul)
#define SCR_NO_FLUSH2	0x02000000
#define SCR_DSA_REL2	0x10000000

#define SCR_LOAD_R(reg, how, n) \
        (0xe1000000 | how | (SCR_REG_OFS2(REG(reg))) | (n))

#define SCR_STORE_R(reg, how, n) \
        (0xe0000000 | how | (SCR_REG_OFS2(REG(reg))) | (n))

#define SCR_LOAD_ABS(reg, n)	SCR_LOAD_R(reg, SCR_NO_FLUSH2, n)
#define SCR_LOAD_REL(reg, n)	SCR_LOAD_R(reg, SCR_NO_FLUSH2|SCR_DSA_REL2, n)
#define SCR_LOAD_ABS_F(reg, n)	SCR_LOAD_R(reg, 0, n)
#define SCR_LOAD_REL_F(reg, n)	SCR_LOAD_R(reg, SCR_DSA_REL2, n)

#define SCR_STORE_ABS(reg, n)	SCR_STORE_R(reg, SCR_NO_FLUSH2, n)
#define SCR_STORE_REL(reg, n)	SCR_STORE_R(reg, SCR_NO_FLUSH2|SCR_DSA_REL2,n)
#define SCR_STORE_ABS_F(reg, n)	SCR_STORE_R(reg, 0, n)
#define SCR_STORE_REL_F(reg, n)	SCR_STORE_R(reg, SCR_DSA_REL2, n)


/*-----------------------------------------------------------
 *
 *	Waiting for Disconnect or Reselect
 *
 *-----------------------------------------------------------
 *
 *	JUMP            [ | IFTRUE/IFFALSE ( ... ) ]
 *	<<address>>
 *
 *	JUMPR           [ | IFTRUE/IFFALSE ( ... ) ]
 *	<<distance>>
 *
 *	CALL            [ | IFTRUE/IFFALSE ( ... ) ]
 *	<<address>>
 *
 *	CALLR           [ | IFTRUE/IFFALSE ( ... ) ]
 *	<<distance>>
 *
 *	RETURN          [ | IFTRUE/IFFALSE ( ... ) ]
 *	<<dummy>>
 *
 *	INT             [ | IFTRUE/IFFALSE ( ... ) ]
 *	<<ident>>
 *
 *	INT_FLY         [ | IFTRUE/IFFALSE ( ... ) ]
 *	<<ident>>
 *
 *	Conditions:
 *	     WHEN (phase)
 *	     IF   (phase)
 *	     CARRYSET
 *	     DATA (data, mask)
 *
 *-----------------------------------------------------------
 */

#define SCR_NO_OP       0x80000000
#define SCR_JUMP        0x80080000
#define SCR_JUMP64      0x80480000
#define SCR_JUMPR       0x80880000
#define SCR_CALL        0x88080000
#define SCR_CALLR       0x88880000
#define SCR_RETURN      0x90080000
#define SCR_INT         0x98080000
#define SCR_INT_FLY     0x98180000

#define IFFALSE(arg)   (0x00080000 | (arg))
#define IFTRUE(arg)    (0x00000000 | (arg))

#define WHEN(phase)    (0x00030000 | (phase))
#define IF(phase)      (0x00020000 | (phase))

#define DATA(D)        (0x00040000 | ((D) & 0xff))
#define MASK(D,M)      (0x00040000 | (((M ^ 0xff) & 0xff) << 8ul)|((D) & 0xff))

#define CARRYSET       (0x00200000)

/*-----------------------------------------------------------
 *
 *	SCSI  constants.
 *
 *-----------------------------------------------------------
 */

/*
 *	Messages
 */

#define	M_COMPLETE	(0x00)
#define	M_EXTENDED	(0x01)
#define	M_SAVE_DP	(0x02)
#define	M_RESTORE_DP	(0x03)
#define	M_DISCONNECT	(0x04)
#define	M_ID_ERROR	(0x05)
#define	M_ABORT		(0x06)
#define	M_REJECT	(0x07)
#define	M_NOOP		(0x08)
#define	M_PARITY	(0x09)
#define	M_LCOMPLETE	(0x0a)
#define	M_FCOMPLETE	(0x0b)
#define	M_RESET		(0x0c)
#define	M_ABORT_TAG	(0x0d)
#define	M_CLEAR_QUEUE	(0x0e)
#define	M_INIT_REC	(0x0f)
#define	M_REL_REC	(0x10)
#define	M_TERMINATE	(0x11)
#define	M_SIMPLE_TAG	(0x20)
#define	M_HEAD_TAG	(0x21)
#define	M_ORDERED_TAG	(0x22)
#define	M_IGN_RESIDUE	(0x23)
#define	M_IDENTIFY   	(0x80)

#define	M_X_MODIFY_DP	(0x00)
#define	M_X_SYNC_REQ	(0x01)
#define	M_X_WIDE_REQ	(0x03)
#define	M_X_PPR_REQ	(0x04)

/*
 *	PPR protocol options
 */
#define	PPR_OPT_IU	(0x01)
#define	PPR_OPT_DT	(0x02)
#define	PPR_OPT_QAS	(0x04)
#define PPR_OPT_MASK	(0x07)

/*
 *	Status
 */

#define	S_GOOD		(0x00)
#define	S_CHECK_COND	(0x02)
#define	S_COND_MET	(0x04)
#define	S_BUSY		(0x08)
#define	S_INT		(0x10)
#define	S_INT_COND_MET	(0x14)
#define	S_CONFLICT	(0x18)
#define	S_TERMINATED	(0x20)
#define	S_QUEUE_FULL	(0x28)
#define	S_ILLEGAL	(0xff)

#endif /* defined SYM_DEFS_H */