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Annotation of XNU/osfmk/ppc/asm.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
        !             3:  *
        !             4:  * @APPLE_LICENSE_HEADER_START@
        !             5:  * 
        !             6:  * The contents of this file constitute Original Code as defined in and
        !             7:  * are subject to the Apple Public Source License Version 1.1 (the
        !             8:  * "License").  You may not use this file except in compliance with the
        !             9:  * License.  Please obtain a copy of the License at
        !            10:  * http://www.apple.com/publicsource and read it before using this file.
        !            11:  * 
        !            12:  * This Original Code and all software distributed under the License are
        !            13:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
        !            14:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
        !            15:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
        !            16:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
        !            17:  * License for the specific language governing rights and limitations
        !            18:  * under the License.
        !            19:  * 
        !            20:  * @APPLE_LICENSE_HEADER_END@
        !            21:  */
        !            22: /*
        !            23:  * @OSF_COPYRIGHT@
        !            24:  */
        !            25: 
        !            26: #ifndef        _PPC_ASM_H_
        !            27: #define        _PPC_ASM_H_
        !            28: 
        !            29: #define        __ASMNL__       @
        !            30: #define STRINGD .ascii
        !            31: 
        !            32: #ifdef ASSEMBLER
        !            33: 
        !            34: 
        !            35: #define br0 0
        !            36: 
        !            37: #define ARG0 r3
        !            38: #define ARG1 r4
        !            39: #define ARG2 r5
        !            40: #define ARG3 r6
        !            41: #define ARG4 r7
        !            42: #define ARG5 r8
        !            43: #define ARG6 r9
        !            44: #define ARG7 r10
        !            45: 
        !            46: #define tmp0   r0      /* Temporary GPR remapping (603e specific) */
        !            47: #define tmp1   r1
        !            48: #define tmp2   r2
        !            49: #define tmp3   r3
        !            50: 
        !            51: /* SPR registers */
        !            52: 
        !            53: #define mq             0               /* MQ register for 601 emulation */
        !            54: #define rtcu   4               /* RTCU - upper word of RTC for 601 emulation */
        !            55: #define rtcl   5               /* RTCL - lower word of RTC for 601 emulation */
        !            56: #define dsisr  18
        !            57: #define ppcDAR 19
        !            58: #define ppcdar 19
        !            59: #define dar            19
        !            60: #define SDR1   25
        !            61: #define sdr1   25
        !            62: #define srr0   26
        !            63: #define srr1   27
        !            64: #define vrsave 256             /* Vector Register save */
        !            65: #define sprg0  272
        !            66: #define sprg1  273
        !            67: #define sprg2  274
        !            68: #define sprg3  275
        !            69: #define pvr            287
        !            70: 
        !            71: #define IBAT0U 528
        !            72: #define IBAT0L 529
        !            73: #define IBAT1U 530
        !            74: #define IBAT1L 531
        !            75: #define IBAT2U 532
        !            76: #define IBAT2L 533
        !            77: #define IBAT3U 534
        !            78: #define IBAT3L 535
        !            79: #define ibat0u 528
        !            80: #define ibat0l 529
        !            81: #define ibat1u 530
        !            82: #define ibat1l 531
        !            83: #define ibat2u 532
        !            84: #define ibat2l 533
        !            85: #define ibat3u 534
        !            86: #define ibat3l 535
        !            87: 
        !            88: #define DBAT0U 536
        !            89: #define DBAT0L 537
        !            90: #define DBAT1U 538
        !            91: #define DBAT1L 539
        !            92: #define DBAT2U 540
        !            93: #define DBAT2L 541
        !            94: #define DBAT3U 542
        !            95: #define DBAT3L 543
        !            96: #define dbat0u 536
        !            97: #define dbat0l 537
        !            98: #define dbat1u 538
        !            99: #define dbat1l 539
        !           100: #define dbat2u 540
        !           101: #define dbat2l 541
        !           102: #define dbat3u 542
        !           103: #define dbat3l 543
        !           104: 
        !           105: #define ummcr2 928             /* Performance monitor control */
        !           106: #define ubamr  935             /* Performance monitor mask */
        !           107: #define ummcr0 936             /* Performance monitor control */
        !           108: #define upmc1  937             /* Performance monitor counter */
        !           109: #define upmc2  938             /* Performance monitor counter */
        !           110: #define usia   939             /* User sampled instruction address */
        !           111: #define ummcr1 940             /* Performance monitor control */
        !           112: #define upmc3  941             /* Performance monitor counter */
        !           113: #define upmc4  942             /* Performance monitor counter */
        !           114: #define usda   943             /* User sampled data address */
        !           115: #define mmcr2  944             /* Performance monitor control */
        !           116: #define bamr   951             /* Performance monitor mask */
        !           117: #define mmcr0  952
        !           118: #define pmc1   953
        !           119: #define        pmc2    954
        !           120: #define        sia             955
        !           121: #define        mmcr1   956
        !           122: #define        pmc3    957
        !           123: #define        pmc4    958
        !           124: #define        sda             959             /* Sampled data address */
        !           125: #define dmiss  976             /* ea that missed */
        !           126: #define dcmp   977             /* compare value for the va that missed */
        !           127: #define hash1  978             /* pointer to first hash pteg */
        !           128: #define        hash2   979             /* pointer to second hash pteg */
        !           129: #define imiss  980             /* ea that missed */
        !           130: #define icmp   981             /* compare value for the va that missed */
        !           131: #define rpa            982             /* required physical address register */
        !           132: 
        !           133: #define HID0   1008    /* Checkstop and misc enables */
        !           134: #define hid0   1008    /* Checkstop and misc enables */
        !           135: #define HID1   1009    /* Clock configuration */
        !           136: #define hid1   1009    /* Clock configuration */
        !           137: #define iabr   1010    /* Instruction address breakpoint register */
        !           138: #define dabr   1013    /* Data address breakpoint register */
        !           139: #define msscr0 1014    /* Memory subsystem control */
        !           140: #define msscr1 1015    /* Memory subsystem debug */
        !           141: #define l2cr   1017    /* L2 Cache control */
        !           142: #define ictc   1019    /* I-cache throttling control */
        !           143: #define thrm1  1020    /* Thermal management 1 */
        !           144: #define thrm2  1021    /* Thermal management 2 */
        !           145: #define thrm3  1022    /* Thermal management 3 */
        !           146: #define pir            1023    /* Processor ID Register */
        !           147: 
        !           148: ;      hid0 bits
        !           149: #define emcp   0
        !           150: #define emcpm  0x80000000
        !           151: #define dbp            1
        !           152: #define dbpm   0x40000000
        !           153: #define eba            2
        !           154: #define ebam   0x20000000
        !           155: #define ebd            3
        !           156: #define ebdm   0x10000000
        !           157: #define sbclk  4
        !           158: #define sbclkm 0x08000000
        !           159: #define eclk   6
        !           160: #define eclkm  0x02000000
        !           161: #define par            7
        !           162: #define parm   0x01000000
        !           163: #define doze   8
        !           164: #define dozem  0x00800000
        !           165: #define nap            9
        !           166: #define napm   0x00400000
        !           167: #define sleep  10
        !           168: #define sleepm 0x00200000
        !           169: #define dpm            11
        !           170: #define dpmm   0x00100000
        !           171: #define riseg  12
        !           172: #define risegm 0x00080000
        !           173: #define eiec   13
        !           174: #define eiecm  0x00040000
        !           175: #define nhr            15
        !           176: #define nhrm   0x00010000
        !           177: #define ice            16
        !           178: #define icem   0x00008000
        !           179: #define dce            17
        !           180: #define dcem   0x00004000
        !           181: #define ilock  18
        !           182: #define ilockm 0x00002000
        !           183: #define dlock  19
        !           184: #define dlockm 0x00001000
        !           185: #define icfi   20
        !           186: #define icfim  0x00000800
        !           187: #define dcfi   21
        !           188: #define dcfim  0x00000400
        !           189: #define spd            22
        !           190: #define spdm   0x00000200
        !           191: #define sge            24
        !           192: #define sgem   0x00000080
        !           193: #define dcfa   25
        !           194: #define dcfam  0x00000040
        !           195: #define btic   26
        !           196: #define bticm  0x00000020
        !           197: #define abe            28
        !           198: #define abem   0x00000008
        !           199: #define bht            29
        !           200: #define bhtm   0x00000004
        !           201: #define nopdst 30
        !           202: #define nopdstm        0x00000002
        !           203: #define nopti  31
        !           204: #define noptim 0x00000001
        !           205: 
        !           206: ;      msscr0 bits
        !           207: #define shden  0
        !           208: #define shdenm 0x80000000
        !           209: #define shden3 1
        !           210: #define shdenm3        0x40000000
        !           211: #define l1intvs        2       
        !           212: #define l1intve        4       
        !           213: #define l1intvb        0x38000000      
        !           214: #define l2intvs        5       
        !           215: #define l2intve        7       
        !           216: #define l2intvb        0x07000000      
        !           217: #define dl1hwf 8
        !           218: #define dl1hwfm        0x00800000
        !           219: #define dbsiz  9
        !           220: #define dbsizm 0x00400000
        !           221: #define emode  10
        !           222: #define emodem 0x00200000
        !           223: #define abgd   11
        !           224: #define abgdm  0x00100000
        !           225: #define tfsts  24
        !           226: #define tfste  25
        !           227: #define tfstm  0x000000C0
        !           228: 
        !           229: ;      msscr1 bits
        !           230: #define cqd            15
        !           231: #define cqdm   0x00010000
        !           232: #define csqs   1
        !           233: #define csqe   2
        !           234: #define csqm   0x60000000
        !           235: 
        !           236: ;      srr1 bits
        !           237: #define icmck  1
        !           238: #define icmckm 0x40000000
        !           239: #define dcmck  2
        !           240: #define dcmckm 0x20000000
        !           241: #define l2mck  3
        !           242: #define l2mckm 0x10000000
        !           243: #define tlbmck 4
        !           244: #define tlbmckm        0x08000000
        !           245: #define brmck  5
        !           246: #define brmckm 0x04000000
        !           247: #define othmck 10
        !           248: #define othmckm        0x00200000
        !           249: #define l2dpmck        11
        !           250: #define l2dpmckm       0x00100000
        !           251: #define mcpmck 12
        !           252: #define mcpmckm        0x00080000
        !           253: #define teamck 13
        !           254: #define teamckm        0x00040000
        !           255: #define dpmck  14
        !           256: #define dpmckm 0x00020000
        !           257: #define apmck  15
        !           258: #define apmckm 0x00010000
        !           259: 
        !           260: #define cr0_lt 0
        !           261: #define cr0_gt 1
        !           262: #define cr0_eq 2
        !           263: #define cr0_so 3
        !           264: #define cr0_un 3
        !           265: #define cr1_lt 4
        !           266: #define cr1_gt 5
        !           267: #define cr1_eq 6
        !           268: #define cr1_so 7
        !           269: #define cr1_un 7
        !           270: #define cr2_lt 8
        !           271: #define cr2_gt 9
        !           272: #define cr2_eq 10
        !           273: #define cr2_so 11
        !           274: #define cr2_un 11
        !           275: #define cr3_lt 12
        !           276: #define cr3_gt 13
        !           277: #define cr3_eq 14
        !           278: #define cr3_so 15
        !           279: #define cr3_un 15
        !           280: #define cr4_lt 16
        !           281: #define cr4_gt 17
        !           282: #define cr4_eq 18
        !           283: #define cr4_so 19
        !           284: #define cr4_un 19
        !           285: #define cr5_lt 20
        !           286: #define cr5_gt 21
        !           287: #define cr5_eq 22
        !           288: #define cr5_so 23
        !           289: #define cr5_un 23
        !           290: #define cr6_lt 24
        !           291: #define cr6_gt 25
        !           292: #define cr6_eq 26
        !           293: #define cr6_so 27
        !           294: #define cr6_un 27
        !           295: #define cr7_lt 28
        !           296: #define cr7_gt 29
        !           297: #define cr7_eq 30
        !           298: #define cr7_so 31
        !           299: #define cr7_un 31
        !           300: 
        !           301: /*
        !           302:  * Macros to access high and low word values of an address
        !           303:  */
        !           304: 
        !           305: #define        HIGH_CADDR(x)   ha16(x)
        !           306: #define        HIGH_ADDR(x)    hi16(x)
        !           307: #define        LOW_ADDR(x)     lo16(x)
        !           308: 
        !           309: #endif /* ASSEMBLER */
        !           310: 
        !           311: /* Tags are placed before Immediately Following Code (IFC) for the debugger
        !           312:  * to be able to deduce where to find various registers when backtracing
        !           313:  * 
        !           314:  * We only define the values as we use them, see SVR4 ABI PowerPc Supplement
        !           315:  * for more details (defined in ELF spec).
        !           316:  */
        !           317: 
        !           318: #define TAG_NO_FRAME_USED 0x00000000
        !           319: 
        !           320: /* (should use genassym to get these offsets) */
        !           321: 
        !           322: #define FM_BACKPTR 0
        !           323: #define        FM_CR_SAVE 4
        !           324: #define FM_LR_SAVE 8 /* MacOSX is NOT following the ABI at the moment.. */
        !           325: #define FM_SIZE    64   /* minimum frame contents, backptr and LR save. Make sure it is quadaligned */
        !           326: #define FM_ARG0           56
        !           327: #define FM_ALIGN(l) ((l+15)&-16)
        !           328: 
        !           329: #define        FM_ELF_ARG0             8
        !           330: #define        FM_MACHO_ARG0           56
        !           331: #define        MACHO_SYSCALL_BEGIN     0x2000
        !           332: #define        PK_SYSCALL_BEGIN        0x7000
        !           333: 
        !           334: 
        !           335: /* redzone is the area under the stack pointer which must be preserved
        !           336:  * when taking a trap, interrupt etc.
        !           337:  */
        !           338: #define FM_REDZONE 224                         /* is ((32-14+1)*4) */
        !           339: 
        !           340: #define COPYIN_ARG0_OFFSET FM_ARG0
        !           341: 
        !           342: #ifdef MACH_KERNEL
        !           343: #include <mach_kdb.h>
        !           344: #else  /* MACH_KERNEL */
        !           345: #define MACH_KDB 0
        !           346: #endif /* MACH_KERNEL */
        !           347: 
        !           348: #define BREAKPOINT_TRAP tw     4,r4,r4
        !           349: 
        !           350: /* There is another definition of ALIGN for .c sources */
        !           351: #ifndef __LANGUAGE_ASSEMBLY
        !           352: #define ALIGN 4
        !           353: #endif /* __LANGUAGE_ASSEMBLY */
        !           354: 
        !           355: #ifndef FALIGN
        !           356: #define FALIGN 4 /* Align functions on words for now. Cachelines is better */
        !           357: #endif
        !           358: 
        !           359: #define LB(x,n) n
        !           360: #if    __STDC__
        !           361: #define        LCL(x)  L ## x
        !           362: #define EXT(x) _ ## x
        !           363: #define LEXT(x) _ ## x ## :
        !           364: #define LBc(x,n) n ## :
        !           365: #define LBb(x,n) n ## b
        !           366: #define LBf(x,n) n ## f
        !           367: #else /* __STDC__ */
        !           368: #define LCL(x) L/**/x
        !           369: #define EXT(x) _/**/x
        !           370: #define LEXT(x) _/**/x/**/:
        !           371: #define LBc(x,n) n/**/:
        !           372: #define LBb(x,n) n/**/b
        !           373: #define LBf(x,n) n/**/f
        !           374: #endif /* __STDC__ */
        !           375: 
        !           376: #define String .asciz
        !           377: #define Value  .word
        !           378: #define Times(a,b) (a*b)
        !           379: #define Divide(a,b) (a/b)
        !           380: 
        !           381: #define data16 .byte 0x66
        !           382: #define addr16 .byte 0x67
        !           383: 
        !           384: #if !GPROF
        !           385: #define MCOUNT
        !           386: #endif /* GPROF */
        !           387: 
        !           388: #define ELF_FUNC(x)
        !           389: #define ELF_DATA(x)
        !           390: #define ELF_SIZE(x,s)
        !           391: 
        !           392: #define        Entry(x,tag)    [email protected] FALIGN@ .globl EXT(x)@ LEXT(x)
        !           393: #define        ENTRY(x,tag)    Entry(x,tag)@MCOUNT
        !           394: #define        ENTRY2(x,y,tag) .text@ .align FALIGN@ .globl EXT(x)@ .globl EXT(y)@ \
        !           395:                        LEXT(x)@ LEXT(y) @\
        !           396:                        MCOUNT
        !           397: #if __STDC__
        !           398: #define        ASENTRY(x)      .globl x @ .align FALIGN; x ## @ MCOUNT
        !           399: #else
        !           400: #define        ASENTRY(x)      .globl x @ .align FALIGN; x @ MCOUNT
        !           401: #endif /* __STDC__ */
        !           402: #define        DATA(x)         .globl EXT(x) @ .align ALIGN @ LEXT(x)
        !           403: 
        !           404: 
        !           405: #define End(x)         ELF_SIZE(x,.-x)
        !           406: #define END(x)         End(EXT(x))
        !           407: #define ENDDATA(x)     END(x)
        !           408: #define Enddata(x)     End(x)
        !           409: 
        !           410: /* These defines are here for .c files that wish to reference global symbols
        !           411:  * within __asm__ statements. 
        !           412:  */
        !           413: #define CC_SYM_PREFIX "_"
        !           414: 
        !           415: #endif /* _PPC_ASM_H_ */

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