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/*
*****************************************************************************
** *
** Copyright � 1993, 1994 *
** by Digital Equipment Corporation, Maynard, Massachusetts. *
** *
** All Rights Reserved *
** *
** Permission is hereby granted to use, copy, modify and distribute *
** this software and its documentation, in both source code and *
** object code form, and without fee, for the purpose of distribution *
** of this software or modifications of this software within products *
** incorporating an integrated circuit implementing Digital's AXP *
** architecture, regardless of the source of such integrated circuit, *
** provided that the above copyright notice and this permission notice *
** appear in all copies, and that the name of Digital Equipment *
** Corporation not be used in advertising or publicity pertaining to *
** distribution of the document or software without specific, written *
** prior permission. *
** *
** Digital Equipment Corporation disclaims all warranties and/or *
** guarantees with regard to this software, including all implied *
** warranties of fitness for a particular purpose and merchantability, *
** and makes no representations regarding the use of, or the results *
** of the use of, the software and documentation in terms of correctness, *
** accuracy, reliability, currentness or otherwise; and you rely on *
** the software, documentation and results solely at your own risk. *
** *
** AXP is a trademark of Digital Equipment Corporation. *
** *
*****************************************************************************
*/
/*
** Seg0 and Seg1 Virtual Address (VA) Format
**
** Loc Size Name Function
** ----- ---- ---- ---------------------------------
** <42:33> 10 SEG1 First level page table offset
** <32:23> 10 SEG2 Second level page table offset
** <22:13> 10 SEG3 Third level page table offset
** <12:00> 13 OFFSET Byte within page offset
*/
#define VA_V_SEG1 33
#define VA_M_SEG1 (0x3FF<<VA_V_SEG1)
#define VA_V_SEG2 23
#define VA_M_SEG2 (0x3FF<<VA_V_SEG2)
#define VA_V_SEG3 13
#define VA_M_SEG3 (0x3FF<<VA_V_SEG3)
#define VA_V_OFFSET 0
#define VA_M_OFFSET 0x1FFF
/*
** Virtual Address Options: 8K byte page size
*/
#define VA_S_SIZE 43
#define VA_S_OFF 13
#define VA_S_SEG 10
#define VA_S_PAGE_SIZE 8192
/*
** Page Table Entry (PTE) Format
**
** Extent Size Name Function
** ------ ---- ---- ---------------------------------
** <63:32> 32 PFN Page Frame Number
** <31:16> 16 SW Reserved for software
** <15:14> 2 RSV0 Reserved for hardware SBZ
** <13> 1 UWE User Write Enable
** <12> 1 KWE Kernel Write Enable
** <11:10> 2 RSV1 Reserved for hardware SBZ
** <9> 1 URE User Read Enable
** <8> 1 KRE Kernel Read Enable
** <7> 1 RSV2 Reserved for hardware SBZ
** <6:5> 2 GH Granularity Hint
** <4> 1 ASM Address Space Match
** <3> 1 FOE Fault On Execute
** <2> 1 FOW Fault On Write
** <1> 1 FOR Fault On Read
** <0> 1 V Valid
*/
#define PTE_V_PFN 32
#define PTE_M_PFN 0xFFFFFFFF00000000
#define PTE_V_SW 16
#define PTE_M_SW 0x00000000FFFF0000
#define PTE_V_UWE 13
#define PTE_M_UWE (1<<PTE_V_UWE)
#define PTE_V_KWE 12
#define PTE_M_KWE (1<<PTE_V_KWE)
#define PTE_V_URE 9
#define PTE_M_URE (1<<PTE_V_URE)
#define PTE_V_KRE 8
#define PTE_M_KRE (1<<PTE_V_KRE)
#define PTE_V_GH 5
#define PTE_M_GH (3<<PTE_V_GH)
#define PTE_V_ASM 4
#define PTE_M_ASM (1<<PTE_V_ASM)
#define PTE_V_FOE 3
#define PTE_M_FOE (1<<PTE_V_FOE)
#define PTE_V_FOW 2
#define PTE_M_FOW (1<<PTE_V_FOW)
#define PTE_V_FOR 1
#define PTE_M_FOR (1<<PTE_V_FOR)
#define PTE_V_VALID 0
#define PTE_M_VALID (1<<PTE_V_VALID)
#define PTE_M_KSEG 0x1111
#define PTE_M_PROT 0x3300
/*
** System Entry Instruction Fault (entIF) Constants:
*/
#define IF_K_BPT 0x0
#define IF_K_BUGCHK 0x1
#define IF_K_GENTRAP 0x2
#define IF_K_FEN 0x3
#define IF_K_OPCDEC 0x4
/*
** System Entry Hardware Interrupt (entInt) Constants:
*/
#define INT_K_IP 0x0
#define INT_K_CLK 0x1
#define INT_K_MCHK 0x2
#define INT_K_DEV 0x3
#define INT_K_PERF 0x4
/*
** System Entry MM Fault (entMM) Constants:
*/
#define MM_K_TNV 0x0
#define MM_K_ACV 0x1
#define MM_K_FOR 0x2
#define MM_K_FOE 0x3
#define MM_K_FOW 0x4
/*
** Process Control Block (PCB) Offsets:
*/
#define PCB_Q_KSP 0x0000
#define PCB_Q_USP 0x0008
#define PCB_Q_PTBR 0x0010
#define PCB_L_PCC 0x0018
#define PCB_L_ASN 0x001C
#define PCB_Q_UNIQUE 0x0020
#define PCB_Q_FEN 0x0028
#define PCB_Q_RSV0 0x0030
#define PCB_Q_RSV1 0x0038
/*
** Processor Status Register (PS) Bit Summary
**
** Extent Size Name Function
** ------ ---- ---- ---------------------------------
** <3> 1 CM Current Mode
** <2:0> 3 IPL Interrupt Priority Level
**/
#define PS_V_CM 3
#define PS_M_CM (1<<PS_V_CM)
#define PS_V_IPL 0
#define PS_M_IPL (7<<PS_V_IPL)
#define PS_K_KERN (0<<PS_V_CM)
#define PS_K_USER (1<<PS_V_CM)
#define IPL_K_ZERO 0x0
#define IPL_K_SW0 0x1
#define IPL_K_SW1 0x2
#define IPL_K_DEV0 0x3
#define IPL_K_DEV1 0x4
#define IPL_K_CLK 0x5
#define IPL_K_IP 0x6
#define IPL_K_RT 0x6
#define IPL_K_PERF 0x6
#define IPL_K_PFAIL 0x6
#define IPL_K_MCHK 0x7
#define IPL_K_LOW 0x0
#define IPL_K_HIGH 0x7
/*
** SCB Offset Definitions:
*/
#define SCB_Q_FEN 0x0010
#define SCB_Q_ACV 0x0080
#define SCB_Q_TNV 0x0090
#define SCB_Q_FOR 0x00A0
#define SCB_Q_FOW 0x00B0
#define SCB_Q_FOE 0x00C0
#define SCB_Q_ARITH 0x0200
#define SCB_Q_KAST 0x0240
#define SCB_Q_EAST 0x0250
#define SCB_Q_SAST 0x0260
#define SCB_Q_UAST 0x0270
#define SCB_Q_UNALIGN 0x0280
#define SCB_Q_BPT 0x0400
#define SCB_Q_BUGCHK 0x0410
#define SCB_Q_OPCDEC 0x0420
#define SCB_Q_ILLPAL 0x0430
#define SCB_Q_TRAP 0x0440
#define SCB_Q_CHMK 0x0480
#define SCB_Q_CHME 0x0490
#define SCB_Q_CHMS 0x04A0
#define SCB_Q_CHMU 0x04B0
#define SCB_Q_SW0 0x0500
#define SCB_Q_SW1 0x0510
#define SCB_Q_SW2 0x0520
#define SCB_Q_SW3 0x0530
#define SCB_Q_SW4 0x0540
#define SCB_Q_SW5 0x0550
#define SCB_Q_SW6 0x0560
#define SCB_Q_SW7 0x0570
#define SCB_Q_SW8 0x0580
#define SCB_Q_SW9 0x0590
#define SCB_Q_SW10 0x05A0
#define SCB_Q_SW11 0x05B0
#define SCB_Q_SW12 0x05C0
#define SCB_Q_SW13 0x05D0
#define SCB_Q_SW14 0x05E0
#define SCB_Q_SW15 0x05F0
#define SCB_Q_CLOCK 0x0600
#define SCB_Q_INTER 0x0610
#define SCB_Q_SYSERR 0x0620
#define SCB_Q_PROCERR 0x0630
#define SCB_Q_PWRFAIL 0x0640
#define SCB_Q_PERFMON 0x0650
#define SCB_Q_SYSMCHK 0x0660
#define SCB_Q_PROCMCHK 0x0670
#define SCB_Q_PASSREL 0x0680
/*
** Stack Frame (FRM) Offsets:
**
** There are two types of system entries for OSF/1 - those for the
** callsys CALL_PAL function and those for exceptions and interrupts.
** Both entry types use the same stack frame layout. The stack frame
** contains space for the PC, the PS, the saved GP, and the saved
** argument registers a0, a1, and a2. On entry, SP points to the
** saved PS.
*/
#define FRM_Q_PS 0x0000
#define FRM_Q_PC 0x0008
#define FRM_Q_GP 0x0010
#define FRM_Q_A0 0x0018
#define FRM_Q_A1 0x0020
#define FRM_Q_A2 0x0028
#define FRM_K_SIZE 48
/*
** Halt Codes:
*/
#define HLT_K_RESET 0x0000
#define HLT_K_HW_HALT 0x0001
#define HLT_K_KSP_INVAL 0x0002
#define HLT_K_SCBB_INVAL 0x0003
#define HLT_K_PTBR_INVAL 0x0004
#define HLT_K_SW_HALT 0x0005
#define HLT_K_DBL_MCHK 0x0006
#define HLT_K_MCHK_FROM_PAL 0x0007
/*
** Machine Check Codes:
*/
#define MCHK_K_TPERR 0x0080
#define MCHK_K_TCPERR 0x0082
#define MCHK_K_HERR 0x0084
#define MCHK_K_ECC_C 0x0086
#define MCHK_K_ECC_NC 0x0088
#define MCHK_K_UNKNOWN 0x008A
#define MCHK_K_CACKSOFT 0x008C
#define MCHK_K_BUGCHECK 0x008E
#define MCHK_K_OS_BUGCHECK 0x0090
#define MCHK_K_DCPERR 0x0092
#define MCHK_K_ICPERR 0x0094
#define MCHK_K_RETRY_IRD 0x0096
#define MCHK_K_PROC_HERR 0x0098
/*
** System Machine Check Codes:
*/
#define MCHK_K_READ_NXM 0x0200
#define MCHK_K_SYS_HERR 0x0202
/*
** Machine Check Error Status Summary (MCES) Register Format
**
** Extent Size Name Function
** ------ ---- ---- ---------------------------------
** <0> 1 MIP Machine check in progress
** <1> 1 SCE System correctable error in progress
** <2> 1 PCE Processor correctable error in progress
** <3> 1 DPC Disable PCE error reporting
** <4> 1 DSC Disable SCE error reporting
*/
#define MCES_V_MIP 0
#define MCES_M_MIP (1<<MCES_V_MIP)
#define MCES_V_SCE 1
#define MCES_M_SCE (1<<MCES_V_SCE)
#define MCES_V_PCE 2
#define MCES_M_PCE (1<<MCES_V_PCE)
#define MCES_V_DPC 3
#define MCES_M_DPC (1<<MCES_V_DPC)
#define MCES_V_DSC 4
#define MCES_M_DSC (1<<MCES_V_DSC)
#define MCES_M_ALL (MCES_M_MIP | MCES_M_SCE | MCES_M_PCE | MCES_M_DPC \
| MCES_M_DSC)
/*
** Who-Am-I (WHAMI) Register Format
**
** Extent Size Name Function
** ------ ---- ---- ---------------------------------
** <7:0> 8 ID Who-Am-I identifier
** <15:8> 1 SWAP Swap PALcode flag - character 'S'
*/
#define WHAMI_V_SWAP 8
#define WHAMI_M_SWAP (1<<WHAMI_V_SWAP)
#define WHAMI_V_ID 0
#define WHAMI_M_ID 0xFF
#define WHAMI_K_SWAP 0x53 /* Character 'S' */
/*
* OSF/1 PAL-code-imposed page table bits
*/
#define _PAGE_VALID 0x0001
#define _PAGE_FOR 0x0002 /* used for page protection (fault on read) */
#define _PAGE_FOW 0x0004 /* used for page protection (fault on write) */
#define _PAGE_FOE 0x0008 /* used for page protection (fault on exec) */
#define _PAGE_ASM 0x0010
#define _PAGE_KRE 0x0100 /* xxx - see below on the "accessed" bit */
#define _PAGE_URE 0x0200 /* xxx */
#define _PAGE_KWE 0x1000 /* used to do the dirty bit in software */
#define _PAGE_UWE 0x2000 /* used to do the dirty bit in software */
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