xref: /gem5/system/alpha/h/ev5_osfalpha_defs.h

#ifndef EV5_OSFALPHA_DEFS_INCLUDED
#define EV5_OSFALPHA_DEFS_INCLUDED 1


// from ev5_osfalpha_defs.mar from Lance's fetch directory
// lowercaseified and $ changed to _ and reformatting for gas...pb Nov/95

//orig	.MACRO	$OSF_ALPHADEFS
//orig	  OSF_ALPHADEF_VER == 5	; Flag the version number of this file.
//orig	.ENDM
//orig	.MACRO	$OSF_PSDEF,$GBL
//orig	$DEFINI	OSFPS,$GBL
//orig;+
//orig; PS Layout - PS
//orig;	Loc	Size	name 	function
//orig;	------	------	-----	-----------------------------------
//orig;	<0:2>	3	IPL	Prio level
//orig;	<3>	1	CM	Current Mode
//orig;-

#define	osfps_v_mode		3
#define	osfps_m_mode		(1<<osfps_v_mode)
#define	osfps_v_ipl		0
#define	osfps_m_ipl		(7<<osfps_v_ipl)

#define	osfipl_c_mchk		7
#define	osfipl_c_rt		6
#define	osfipl_c_clk		5
#define	osfipl_c_dev1		4
#define	osfipl_c_dev0		3
#define	osfipl_c_sw1		2
#define	osfipl_c_sw0		1
#define	osfipl_c_zero		0

#define	osfint_c_mchk		2
#define	osfint_c_clk		1
#define	osfint_c_dev		3
#define	osfint_c_ip		0
#define	osfint_c_perf		4
#define	osfint_c_passrel	5

//orig	_DEFEND	OSFPS,_GBL,DEF
//orig	.ENDM

//orig;+
//orig; PTE layout - symbol prefix osfpte_
//orig;
//orig;	Loc	Size	name 	function
//orig;	------	------	------	-----------------------------------
//orig;	<63:32>	32	PFN	Page Frame Number
//orig;	<31:16>	16	SOFT	Bits reserved for software use
//orig;	<15:14>	2
//orig;	<13>	1	UWE	User write enable
//orig;	<12>	1	KWE	Kernel write enable
//orig;	<11:10>	2
//orig;	<9>	1	URE	User read enable
//orig;	<8>	1	KRE	Kernel read enable
//orig;	<7:6>	2	RES	Reserved SBZ
//orig;	<5>	1	HPF	Huge Page Flag
//orig;	<4>	1	ASM	Wild card address space number match
//orig;	<3>	1	FOE	Fault On execute
//orig;	<2>	1	FOW	Fault On Write
//orig;	<1>	1	FOR	Fault On Read
//orig; 	<0>	1	V	valid bit
//orig;-

//orig	.MACRO	_OSF_PTEDEF,_GBL
//orig	_DEFINI	OSFPTE,_GBL

#define	osfpte_v_pfn	32
#define	osfpte_m_soft	(0xFFFF0000)
#define	osfpte_v_soft	16
#define	osfpte_m_uwe	(0x2000)
#define	osfpte_v_uwe	13
#define	osfpte_m_kwe	(0x1000)
#define	osfpte_v_kwe	12
#define	osfpte_m_ure	(0x0200)
#define	osfpte_v_ure	 9
#define	osfpte_m_kre	(0x0100)
#define	osfpte_v_kre	 8
#define	osfpte_m_hpf	(0x0020)
#define	osfpte_v_hpf	5
#define	osfpte_m_asm	(0x0010)
#define	osfpte_v_asm	4
#define	osfpte_m_foe	(0x0008)
#define	osfpte_v_foe	3
#define	osfpte_m_fow	(0x0004)
#define	osfpte_v_fow	2
#define	osfpte_m_for	(0x0002)
#define	osfpte_v_for	1
#define	osfpte_m_v	(0x0001)
#define	osfpte_v_v	0

#define	osfpte_m_ksegbits	(osfpte_m_kre | osfpte_m_kwe | osfpte_m_v | osfpte_m_asm)
#define	osfpte_m_prot	(osfpte_m_ure+osfpte_m_uwe | osfpte_m_kre | osfpte_m_kwe)

//orig	_DEFEND	OSFPTE,_GBL,DEF
//orig	.ENDM

//orig;+
//orig; VA layout - symbol prefix VA_
//orig;
//orig;	Loc	Size	name 	function
//orig;	------	------	-------	-----------------------------------
//orig;	<42:33>	10	SEG1	First seg table offset for mapping
//orig;	<32:23>	10	SEG2	Second seg table offset for mapping
//orig;	<22:13>	10	SEG3	Third seg table offset for mapping
//orig;	<12:0>	13	OFFSET	Byte within page
//orig;-
//orig	.MACRO	_OSF_VADEF,_GBL
//orig	_DEFINI	OSFVA,_GBL

#define	osfva_m_offset	(0x000000001FFF)
#define	osfva_v_offset	0
#define	osfva_m_seg3	(0x0000007FE000)
#define	osfva_v_seg3	13
#define	osfva_m_seg2	(0x0001FF800000)
#define	osfva_v_seg2	23
#define	osfva_m_seg1	(0x7FE00000000)
#define	osfva_v_seg1	33

//orig	_DEFEND	OSFVA,_GBL,DEF
//orig	.ENDM
//orig;+
//orig; PRIVILEGED CONTEXT BLOCK (PCB)
//orig;-
//orig	.MACRO	_OSF_PCBDEF,_GBL
//orig	_DEFINI	OSFPCB,_GBL

#define	osfpcb_q_ksp	(0x0000)
#define	osfpcb_q_usp	(0x0008)
#define	osfpcb_q_Usp	(0x0008)
#define	osfpcb_q_mmptr	(0x0010)
#define	osfpcb_q_Mmptr	(0x0010)
#define	osfpcb_l_cc	(0x0018)
#define	osfpcb_l_asn	(0x001C)
#define	osfpcb_q_unique (0x0020)
#define	osfpcb_q_fen	(0x0028)
#define	osfpcb_v_pme	62

//orig	_DEFEND	OSFPCB,_GBL,DEF
//orig	.ENDM
//orig;+
//orig; Stack Frame
//orig;-
//orig	.MACRO	_OSF_SFDEF,_GBL
//orig	_DEFINI	OSFSF,_GBL

#define	osfsf_ps	(0x00)
#define	osfsf_pc	(0x08)
#define	osfsf_gp	(0x10)
#define	osfsf_a0	(0x18)
#define	osfsf_a1	(0x20)
#define	osfsf_a2	(0x28)
#define	osfsf_c_size	(0x30)

//orig	_DEFEND	OSFSF,_GBL,DEF
//orig	.ENDM

#endif