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gem5/system/alpha/palcode/fromHudsonOsf.h

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2003-11-14 16:52:42 +01:00
#ifndef FROMHUDSONOSF_INCLUDED
#define FROMHUDSONOSF_INCLUDED 1
/*
* VID: [T1.2] PT: [Fri Apr 21 16:47:14 1995] SF: [osf.h]
* TI: [/sae_users/cruz/bin/vice -iplatform.s -l// -p# -DEB164 -h -m -aeb164 ]
*/
#define __OSF_LOADED 1
/*
*****************************************************************************
** *
** Copyright <EFBFBD> 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. *
** *
*****************************************************************************
**
** FACILITY:
**
** DECchip 21164 PALcode
**
** MODULE:
**
** osf.h
**
** MODULE DESCRIPTION:
**
** OSF/1 specific definitions
**
** AUTHOR: ER
**
** CREATION DATE: 24-Nov-1993
**
** $Id: fromHudsonOsf.h,v 1.1.1.1 1997/10/30 23:27:19 verghese Exp $
**
** MODIFICATION HISTORY:
**
** $Log: fromHudsonOsf.h,v $
** Revision 1.1.1.1 1997/10/30 23:27:19 verghese
** current 10/29/97
**
** Revision 1.1 1995/11/18 01:46:31 boyle
** Initial revision
**
** Revision 1.11 1995/04/21 02:06:30 fdh
** Replaced C++ style comments with Standard C style comments.
**
** Revision 1.10 1994/09/26 14:17:47 samberg
** Complete VICE work and EB164/SD164 breakout.
**
** Revision 1.9 1994/07/26 17:39:10 samberg
** Changes for SD164.
**
** Revision 1.8 1994/07/08 17:03:48 samberg
** Changes to support platform specific additions
**
** Revision 1.7 1994/05/20 19:23:51 ericr
** Moved STACK_FRAME macro from osfpal.s to here
**
** Revision 1.6 1994/05/20 18:08:19 ericr
** Changed line comments to C++ style comment character
**
** Revision 1.5 1994/01/11 18:43:33 ericr
** Removed PAL version/revision and size constants
**
** Revision 1.4 1994/01/05 16:22:32 ericr
** Added more SCB vector offsets and MCHK error code
**
** Revision 1.3 1994/01/03 19:35:40 ericr
** Derive mask definitions from field constants
**
** Revision 1.2 1993/12/22 20:43:01 eric
** Added mask definitions for MCES bits
**
** Revision 1.1 1993/12/16 21:55:05 eric
** Initial revision
**
**
**--
*/
/*
** 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_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
#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_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
#define STACK_FRAME(tmp1,tmp2) \
sll ps, 63-PS_V_CM, p7; \
bge p7, 0f; \
bis zero, zero, ps; \
mtpr sp, ptUsp; \
mfpr sp, ptKsp; \
0: lda sp, 0-FRM_K_SIZE(sp); \
stq tmp1, FRM_Q_PS(sp); \
stq tmp2, FRM_Q_PC(sp); \
stq gp, FRM_Q_GP(sp); \
stq a0, FRM_Q_A0(sp); \
stq a1, FRM_Q_A1(sp); \
stq a2, FRM_Q_A2(sp)
/*
** 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' */
/*
** Conventional Register Usage Definitions
**
** Assembler temporary `at' is `AT' so it doesn't conflict with the
** `.set at' assembler directive.
*/
#define v0 $0 /* Function Return Value Register */
#define t0 $1 /* Scratch (Temporary) Registers ... */
#define t1 $2
#define t2 $3
#define t3 $4
#define t4 $5
#define t5 $6
#define t6 $7
#define t7 $8
#define s0 $9 /* Saved (Non-Volatile) Registers ... */
#define s1 $10
#define s2 $11
#define s3 $12
#define s4 $13
#define s5 $14
#define fp $15 /* Frame Pointer Register, Or S6 */
#define s6 $15
#define a0 $16 /* Argument Registers ... */
#define a1 $17
#define a2 $18
#define a3 $19
#define a4 $20
#define a5 $21
#define t8 $22 /* Scratch (Temporary) Registers ... */
#define t9 $23
#define t10 $24
#define t11 $25
#define ra $26 /* Return Address Register */
#define pv $27 /* Procedure Value Register, Or T12 */
#define t12 $27
#define AT $28 /* Assembler Temporary (Volatile) Register */
#define gp $29 /* Global Pointer Register */
#define sp $30 /* Stack Pointer Register */
#define zero $31 /* Zero Register */
/*
** OSF/1 Unprivileged CALL_PAL Entry Offsets:
**
** Entry Name Offset (Hex)
**
** bpt 0080
** bugchk 0081
** callsys 0083
** imb 0086
** rdunique 009E
** wrunique 009F
** gentrap 00AA
** dbgstop 00AD
*/
#define UNPRIV 0x80
#define PAL_BPT_ENTRY 0x80
#define PAL_BUGCHK_ENTRY 0x81
#define PAL_CALLSYS_ENTRY 0x83
#define PAL_IMB_ENTRY 0x86
#define PAL_RDUNIQUE_ENTRY 0x9E
#define PAL_WRUNIQUE_ENTRY 0x9F
#define PAL_GENTRAP_ENTRY 0xAA
#if defined(KDEBUG)
#define PAL_DBGSTOP_ENTRY 0xAD
/* #define NUM_UNPRIV_CALL_PALS 10 */
#else
/* #define NUM_UNPRIV_CALL_PALS 9 */
#endif /* KDEBUG */
/*
** OSF/1 Privileged CALL_PAL Entry Offsets:
**
** Entry Name Offset (Hex)
**
** halt 0000
** cflush 0001
** draina 0002
** cserve 0009
** swppal 000A
** rdmces 0010
** wrmces 0011
** wrfen 002B
** wrvptptr 002D
** swpctx 0030
** wrval 0031
** rdval 0032
** tbi 0033
** wrent 0034
** swpipl 0035
** rdps 0036
** wrkgp 0037
** wrusp 0038
** rdusp 003A
** whami 003C
** retsys 003D
** rti 003F
*/
#define PAL_HALT_ENTRY 0x0000
#define PAL_CFLUSH_ENTRY 0x0001
#define PAL_DRAINA_ENTRY 0x0002
#define PAL_CSERVE_ENTRY 0x0009
#define PAL_SWPPAL_ENTRY 0x000A
#define PAL_WRIPIR_ENTRY 0x000D
#define PAL_RDMCES_ENTRY 0x0010
#define PAL_WRMCES_ENTRY 0x0011
#define PAL_WRFEN_ENTRY 0x002B
#define PAL_WRVPTPTR_ENTRY 0x002D
#define PAL_SWPCTX_ENTRY 0x0030
#define PAL_WRVAL_ENTRY 0x0031
#define PAL_RDVAL_ENTRY 0x0032
#define PAL_TBI_ENTRY 0x0033
#define PAL_WRENT_ENTRY 0x0034
#define PAL_SWPIPL_ENTRY 0x0035
#define PAL_RDPS_ENTRY 0x0036
#define PAL_WRKGP_ENTRY 0x0037
#define PAL_WRUSP_ENTRY 0x0038
#define PAL_RDUSP_ENTRY 0x003A
#define PAL_WHAMI_ENTRY 0x003C
#define PAL_RETSYS_ENTRY 0x003D
#define PAL_RTI_ENTRY 0x003F
#define NUM_PRIV_CALL_PALS 23
#endif
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