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

/*
Copyright 1993 Hewlett-Packard Development Company, L.P.

Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
of the Software, and to permit persons to whom the Software is furnished to do
so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
*/

#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