Initial revision
diff --git a/include/bedbug/bedbug.h b/include/bedbug/bedbug.h
new file mode 100644
index 0000000..471215e
--- /dev/null
+++ b/include/bedbug/bedbug.h
@@ -0,0 +1,42 @@
+/* $Id$ */
+
+#ifndef _BEDBUG_H
+#define _BEDBUG_H
+
+#ifndef NULL
+#define NULL 0
+#endif
+
+#define _USE_PROTOTYPES
+
+#ifndef isblank
+#define isblank(c) isspace((int)(c))
+#endif
+
+#ifndef __P
+#if defined(_USE_PROTOTYPES) && (defined(__STDC__) || defined(__cplusplus))
+#define __P(protos) protos /* full-blown ANSI C */
+#else
+#define __P(protos) () /* traditional C preprocessor */
+#endif
+#endif
+
+#define assert( condition ) if( (condition) ) _exit(0)
+
+#endif /* _BEDBUG_H */
+
+
+/*
+ * Copyright (c) 2001 William L. Pitts
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are freely
+ * permitted provided that the above copyright notice and this
+ * paragraph and the following disclaimer are duplicated in all
+ * such forms.
+ *
+ * This software is provided "AS IS" and without any express or
+ * implied warranties, including, without limitation, the implied
+ * warranties of merchantability and fitness for a particular
+ * purpose.
+ */
diff --git a/include/bedbug/ppc.h b/include/bedbug/ppc.h
new file mode 100644
index 0000000..9cc8f9f
--- /dev/null
+++ b/include/bedbug/ppc.h
@@ -0,0 +1,413 @@
+/* $Id$ */
+
+#ifndef _PPC_H
+#define _PPC_H
+
+/*======================================================================
+ *
+ * OPERANDS
+ *
+ *======================================================================*/
+
+enum OP_FIELD {
+ O_AA = 1, O_BD, O_BI, O_BO, O_crbD, O_crbA, O_crbB, O_CRM, O_d, O_frC, O_frD,
+ O_frS, O_IMM, O_LI, O_LK, O_MB, O_ME, O_NB, O_OE, O_rA, O_rB, O_Rc, O_rD,
+ O_rS, O_SH, O_SIMM, O_SR, O_TO, O_UIMM, O_crfD, O_crfS, O_L, O_spr, O_tbr,
+ O_cr2 };
+
+struct operand {
+ enum OP_FIELD field; /* The operand identifier from the
+ enum above */
+
+ char * name; /* Symbolic name of this operand */
+
+ unsigned int bits; /* The number of bits used by this
+ operand */
+
+ unsigned int shift; /* How far to the right the operand
+ should be shifted so that it is
+ aligned at the beginning of the
+ word */
+
+ unsigned int hint; /* A bitwise-inclusive-OR of the
+ values shown below. These are used
+ tell the disassembler how to print
+ this operand */
+};
+
+/* Values for operand hint */
+#define OH_SILENT 0x01 /* dont print this operand */
+#define OH_ADDR 0x02 /* this operand is an address */
+#define OH_REG 0x04 /* this operand is a register */
+#define OH_SPR 0x08 /* this operand is an SPR */
+#define OH_TBR 0x10 /* this operand is a TBR */
+#define OH_OFFSET 0x20 /* this operand is an offset */
+#define OH_LITERAL 0x40 /* a literal string */
+
+
+/*======================================================================
+ *
+ * OPCODES
+ *
+ *======================================================================*/
+
+/* From the MPCxxx instruction set documentation, all instructions are
+ * 32 bits long and word aligned. Bits 0-5 always specify the primary
+ * opcode. Many instructions also have an extended opcode.
+ */
+
+#define GET_OPCD(i) (((unsigned long)(i) >> 26) & 0x3f)
+#define MAKE_OPCODE(i) ((((unsigned long)(i)) & 0x3f) << 26)
+
+/* The MPC860 User's Manual, Appendix D.4 contains the definitions of the
+ * instruction forms
+ */
+
+
+/*-------------------------------------------------
+ * I-Form Instructions:
+ * bX
+ *-------------------------------------------------
+ * OPCD | LI |AA|LK
+ *-------------------------------------------------*/
+
+#define I_OPCODE(i,aa,lk) (MAKE_OPCODE(i) | (((aa) & 0x1) << 1) | ((lk) & 0x1))
+#define I_MASK I_OPCODE(0x3f,0x1,0x1)
+
+
+/*-------------------------------------------------
+ * B-Form Instructions:
+ * bcX
+ *-------------------------------------------------
+ * OPCD | BO | BI | BD |AA|LK
+ *-------------------------------------------------*/
+
+#define B_OPCODE(i,aa,lk) (MAKE_OPCODE(i) | (((aa) & 0x1) << 1) | ((lk) & 0x1))
+#define B_MASK B_OPCODE(0x3f,0x1,0x1)
+
+
+/*-------------------------------------------------
+ * SC-Form Instructions:
+ * sc
+ *-------------------------------------------------
+ * OPCD | 00000 | 00000 | 00000000000000 |1|0
+ *-------------------------------------------------*/
+
+#define SC_OPCODE(i) (MAKE_OPCODE(i) | 0x2)
+#define SC_MASK SC_OPCODE(0x3f)
+
+
+/*-------------------------------------------------
+ * D-Form Instructions:
+ * addi addic addic. addis andi. andis. cmpi cmpli
+ * lbz lbzu lha lhau lhz lhzu lmw lwz lwzu mulli
+ * ori oris stb stbu sth sthu stmw stw stwu subfic
+ * twi xori xoris
+ *-------------------------------------------------
+ * OPCD | D | A | d
+ * OPCD | D | A | SIMM
+ * OPCD | S | A | d
+ * OPCD | S | A | UIMM
+ * OPCD |crfD|0|L| A | SIMM
+ * OPCD |crfD|0|L| A | UIMM
+ * OPCD | TO | A | SIMM
+ *-------------------------------------------------*/
+
+#define D_OPCODE(i) MAKE_OPCODE(i)
+#define D_MASK MAKE_OPCODE(0x3f)
+
+
+/*-------------------------------------------------
+ * DS-Form Instructions:
+ * (none supported by MPC860)
+ *-------------------------------------------------
+ * OPCD | D | A | ds |XO
+ * OPCD | S | A | ds |XO
+ *-------------------------------------------------*/
+
+#define DS_OPCODE(i,xo) (MAKE_OPCODE(i) | ((xo) & 0x3))
+#define DS_MASK DS_OPCODE(0x3f,0x1)
+
+
+/*---------------------------------------------------
+ * X-Form Instructions:
+ * andX andcX cmp cmpl cntlzwX dcbf dcbi dcbst dcbt
+ * dcbtst dcbz eciwx ecowx eieio eqvX extsbX extshX
+ * icbi lbzux lbxz lhaux lhax lhbrx lhzux lhxz lswi
+ * lswx lwarx lwbrx lwzux lwxz mcrfs mcrxr mfcr
+ * mfmsr mfsr mfsrin mtmsr mtsr mtsrin nandX norX
+ * orX orcX slwX srawX srawiX srwX stbux stbx
+ * sthbrx sthuxsthx stswi stswx stwbrx stwcx. stwux
+ * stwx sync tlbie tlbld tlbli tlbsync tw xorX
+ *---------------------------------------------------
+ * OPCD | D | A | B | XO |0
+ * OPCD | D | A | NB | XO |0
+ * OPCD | D | 00000 | B | XO |0
+ * OPCD | D | 00000 | 00000 | XO |0
+ * OPCD | D |0| SR | 00000 | XO |0
+ * OPCD | S | A | B | XO |Rc
+ * OPCD | S | A | B | XO |1
+ * OPCD | S | A | B | XO |0
+ * OPCD | S | A | NB | XO |0
+ * OPCD | S | A | 00000 | XO |Rc
+ * OPCD | S | 00000 | B | XO |0
+ * OPCD | S | 00000 | 00000 | XO |0
+ * OPCD | S |0| SR | 00000 | XO |0
+ * OPCD | S | A | SH | XO |Rc
+ * OPCD |crfD|0|L| A | SH | XO |0
+ * OPCD |crfD |00| A | B | XO |0
+ * OPCD |crfD |00|crfS |00| 00000 | XO |0
+ * OPCD |crfD |00| 00000 | 00000 | XO |0
+ * OPCD |crfD |00| 00000 | IMM |0| XO |Rc
+ * OPCD | TO | A | B | XO |0
+ * OPCD | D | 00000 | B | XO |Rc
+ * OPCD | D | 00000 | 00000 | XO |Rc
+ * OPCD | crbD | 00000 | 00000 | XO |Rc
+ * OPCD | 00000 | A | B | XO |0
+ * OPCD | 00000 | 00000 | B | XO |0
+ * OPCD | 00000 | 00000 | 00000 | XO |0
+ *---------------------------------------------------*/
+
+#define X_OPCODE(i,xo,rc) (MAKE_OPCODE(i) | (((xo) & 0x3ff) << 1) | \
+ ((rc) & 0x1))
+#define X_MASK X_OPCODE(0x3f,0x3ff,0x1)
+
+
+/*---------------------------------------------------
+ * XL-Form Instructions:
+ * bcctrX bclrX crand crandc creqv crnand crnor cror
+ * croc crxorisync mcrf rfi
+ *---------------------------------------------------
+ * OPCD | BO | BI | 00000 | XO |LK
+ * OPCD | crbD | crbA | crbB | XO |0
+ * OPCD |crfD |00|crfS |00| 00000 | XO |0
+ * OPCD | 00000 | 00000 | 00000 | XO |0
+ *---------------------------------------------------*/
+
+#define XL_OPCODE(i,xo,lk) (MAKE_OPCODE(i) | (((xo) & 0x3ff) << 1) | \
+ ((lk) & 0x1))
+#define XL_MASK XL_OPCODE(0x3f,0x3ff,0x1)
+
+
+/*---------------------------------------------------
+ * XFX-Form Instructions:
+ * mfspr mftb mtcrf mtspr
+ *---------------------------------------------------
+ * OPCD | D | spr | XO |0
+ * OPCD | D |0| CRM |0| XO |0
+ * OPCD | S | spr | XO |0
+ * OPCD | D | tbr | XO |0
+ *---------------------------------------------------*/
+
+#define XFX_OPCODE(i,xo,rc) (MAKE_OPCODE(i) | (((xo) & 0x3ff) << 1) | \
+ ((rc) & 0x1))
+#define XFX_MASK XFX_OPCODE(0x3f,0x3ff,0x1)
+
+
+/*---------------------------------------------------
+ * XFL-Form Instructions:
+ * (none supported by MPC860)
+ *---------------------------------------------------
+ * OPCD |0| FM |0| B | XO |0
+ *---------------------------------------------------*/
+
+#define XFL_OPCODE(i,xo,rc) (MAKE_OPCODE(i) | (((xo) & 0x3ff) << 1) | \
+ ((rc) & 0x1))
+#define XFL_MASK XFL_OPCODE(0x3f,0x3ff,0x1)
+
+
+/*---------------------------------------------------
+ * XS-Form Instructions:
+ * (none supported by MPC860)
+ *---------------------------------------------------
+ * OPCD | S | A | sh | XO |sh|LK
+ *---------------------------------------------------*/
+
+#define XS_OPCODE(i,xo,rc) (MAKE_OPCODE(i) | (((xo) & 0x1ff) << 2) | \
+ ((rc) & 0x1))
+#define XS_MASK XS_OPCODE(0x3f,0x1ff,0x1)
+
+
+/*---------------------------------------------------
+ * XO-Form Instructions:
+ * addX addcXaddeX addmeX addzeX divwX divwuX mulhwX
+ * mulhwuX mullwX negX subfX subfcX subfeX subfmeX
+ * subfzeX
+ *---------------------------------------------------
+ * OPCD | D | A | B |OE| XO |Rc
+ * OPCD | D | A | B |0 | XO |Rc
+ * OPCD | D | A | 00000 |OE| XO |Rc
+ *---------------------------------------------------*/
+
+#define XO_OPCODE(i,xo,oe,rc) (MAKE_OPCODE(i) | (((oe) & 0x1) << 10) | \
+ (((xo) & 0x1ff) << 1) | ((rc) & 0x1))
+#define XO_MASK XO_OPCODE(0x3f,0x1ff,0x1,0x1)
+
+
+/*---------------------------------------------------
+ * A-Form Instructions:
+ * (none supported by MPC860)
+ *---------------------------------------------------
+ * OPCD | D | A | B |00000| XO |Rc
+ * OPCD | D | A | B | C | XO |Rc
+ * OPCD | D | A | 00000 | C | XO |Rc
+ * OPCD | D | 00000 | B |00000| XO |Rc
+ *---------------------------------------------------*/
+
+#define A_OPCODE(i,xo,rc) (MAKE_OPCODE(i) | (((xo) & 0x1f) << 1) | \
+ ((rc) & 0x1))
+#define A_MASK A_OPCODE(0x3f,0x1f,0x1)
+
+
+/*---------------------------------------------------
+ * M-Form Instructions:
+ * rlwimiX rlwinmX rlwnmX
+ *---------------------------------------------------
+ * OPCD | S | A | SH | MB | ME |Rc
+ * OPCD | S | A | B | MB | ME |Rc
+ *---------------------------------------------------*/
+
+#define M_OPCODE(i,rc) (MAKE_OPCODE(i) | ((rc) & 0x1))
+#define M_MASK M_OPCODE(0x3f,0x1)
+
+
+/*---------------------------------------------------
+ * MD-Form Instructions:
+ * (none supported by MPC860)
+ *---------------------------------------------------
+ * OPCD | S | A | sh | mb | XO |sh|Rc
+ * OPCD | S | A | sh | me | XO |sh|Rc
+ *---------------------------------------------------*/
+
+#define MD_OPCODE(i,xo,rc) (MAKE_OPCODE(i) | (((xo) & 0x7) << 2) | \
+ ((rc) & 0x1))
+#define MD_MASK MD_OPCODE(0x3f,0x7,0x1)
+
+
+/*---------------------------------------------------
+ * MDS-Form Instructions:
+ * (none supported by MPC860)
+ *---------------------------------------------------
+ * OPCD | S | A | B | mb | XO |Rc
+ * OPCD | S | A | B | me | XO |Rc
+ *---------------------------------------------------*/
+
+#define MDS_OPCODE(i,xo,rc) (MAKE_OPCODE(i) | (((xo) & 0xf) << 1) | \
+ ((rc) & 0x1))
+#define MDS_MASK MDS_OPCODE(0x3f,0xf,0x1)
+
+#ifndef FALSE
+#define FALSE 0
+#define TRUE (!FALSE)
+#endif
+
+#define INSTRUCTION( memaddr ) ntohl(*(unsigned long *)(memaddr))
+
+#define MAX_OPERANDS 8
+
+struct ppc_ctx;
+
+struct opcode {
+ unsigned long opcode; /* The complete opcode as produced by
+ one of the XXX_OPCODE macros above */
+
+ unsigned long mask; /* The mask to use on an instruction
+ before comparing with the opcode
+ field to see if it matches */
+
+ enum OP_FIELD fields[MAX_OPERANDS];
+ /* An array defining the operands for
+ this opcode. The values of the
+ array are the operand identifiers */
+
+ int (*hfunc)(struct ppc_ctx *);
+ /* Address of a function to handle the given
+ mnemonic */
+
+ char * name; /* The symbolic name of this opcode */
+
+ unsigned int hint; /* A bitwise-inclusive-OR of the
+ values shown below. These are used
+ tell the disassembler how to print
+ some operands for this opcode */
+};
+
+/* values for opcode hints */
+#define H_RELATIVE 0x1 /* The address operand is relative */
+#define H_IMM_HIGH 0x2 /* [U|S]IMM field shifted high */
+#define H_RA0_IS_0 0x4 /* If rA = 0 then treat as literal 0 */
+
+struct ppc_ctx {
+ struct opcode * op;
+ unsigned long instr;
+ unsigned int flags;
+ int datalen;
+ char data[ 256 ];
+ char radix_fmt[ 8 ];
+ unsigned char * virtual;
+};
+
+
+/*======================================================================
+ *
+ * FUNCTIONS
+ *
+ *======================================================================*/
+
+/* Values for flags as passed to various ppc routines */
+#define F_RADOCTAL 0x1 /* output radix = unsigned octal */
+#define F_RADUDECIMAL 0x2 /* output radix = unsigned decimal */
+#define F_RADSDECIMAL 0x4 /* output radix = signed decimal */
+#define F_RADHEX 0x8 /* output radix = unsigned hex */
+#define F_SIMPLE 0x10 /* use simplified mnemonics */
+#define F_SYMBOL 0x20 /* use symbol lookups for addresses */
+#define F_INSTR 0x40 /* output the raw instruction */
+#define F_LOCALMEM 0x80 /* retrieve opcodes from local memory
+ rather than from the HMI */
+#define F_LINENO 0x100 /* show line number info if available */
+#define F_VALIDONLY 0x200 /* cache: valid entries only */
+
+/* Values for assembler error codes */
+#define E_ASM_BAD_OPCODE 1
+#define E_ASM_NUM_OPERANDS 2
+#define E_ASM_BAD_REGISTER 3
+#define E_ASM_BAD_SPR 4
+#define E_ASM_BAD_TBR 5
+
+extern int disppc __P((unsigned char *,unsigned char *,int,
+ int (*)(const char *), unsigned long));
+extern int print_source_line __P((char *,char *,int,
+ int (*pfunc)(const char *)));
+extern int find_next_address __P((unsigned char *,int,struct pt_regs *));
+extern int handle_bc __P((struct ppc_ctx *));
+extern unsigned long asmppc __P((unsigned long,char*,int*));
+extern char *asm_error_str __P((int));
+
+/*======================================================================
+ *
+ * GLOBAL VARIABLES
+ *
+ *======================================================================*/
+
+extern struct operand operands[];
+extern const unsigned int n_operands;
+extern struct opcode opcodes[];
+extern const unsigned int n_opcodes;
+
+#endif /* _PPC_H */
+
+
+/*
+ * Copyright (c) 2000 William L. Pitts and W. Gerald Hicks
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are freely
+ * permitted provided that the above copyright notice and this
+ * paragraph and the following disclaimer are duplicated in all
+ * such forms.
+ *
+ * This software is provided "AS IS" and without any express or
+ * implied warranties, including, without limitation, the implied
+ * warranties of merchantability and fitness for a particular
+ * purpose.
+ */
diff --git a/include/bedbug/regs.h b/include/bedbug/regs.h
new file mode 100644
index 0000000..938e435
--- /dev/null
+++ b/include/bedbug/regs.h
@@ -0,0 +1,403 @@
+/* $Id$ */
+
+#ifndef _REGS_H
+#define _REGS_H
+
+/* Special Purpose Registers */
+
+#define SPR_CR -1
+#define SPR_MSR -2
+
+#define SPR_XER 1
+#define SPR_LR 8
+#define SPR_CTR 9
+#define SPR_DSISR 18
+#define SPR_DAR 19
+#define SPR_DEC 22
+#define SPR_SRR0 26
+#define SPR_SRR1 27
+#define SPR_EIE 80
+#define SPR_EID 81
+#define SPR_CMPA 144
+#define SPR_CMPB 145
+#define SPR_CMPC 146
+#define SPR_CMPD 147
+#define SPR_ICR 148
+#define SPR_DER 149
+#define SPR_COUNTA 150
+#define SPR_COUNTB 151
+#define SPR_CMPE 152
+#define SPR_CMPF 153
+#define SPR_CMPG 154
+#define SPR_CMPH 155
+#define SPR_LCTRL1 156
+#define SPR_LCTRL2 157
+#define SPR_ICTRL 158
+#define SPR_BAR 159
+#define SPR_USPRG0 256
+#define SPR_SPRG4_RO 260
+#define SPR_SPRG5_RO 261
+#define SPR_SPRG6_RO 262
+#define SPR_SPRG7_RO 263
+#define SPR_SPRG0 272
+#define SPR_SPRG1 273
+#define SPR_SPRG2 274
+#define SPR_SPRG3 275
+#define SPR_SPRG4 276
+#define SPR_SPRG5 277
+#define SPR_SPRG6 278
+#define SPR_SPRG7 279
+#define SPR_EAR 282 /* MPC603e core */
+#define SPR_TBL 284
+#define SPR_TBU 285
+#define SPR_PVR 287
+#define SPR_IC_CST 560
+#define SPR_IC_ADR 561
+#define SPR_IC_DAT 562
+#define SPR_DC_CST 568
+#define SPR_DC_ADR 569
+#define SPR_DC_DAT 570
+#define SPR_DPDR 630
+#define SPR_IMMR 638
+#define SPR_MI_CTR 784
+#define SPR_MI_AP 786
+#define SPR_MI_EPN 787
+#define SPR_MI_TWC 789
+#define SPR_MI_RPN 790
+#define SPR_MD_CTR 792
+#define SPR_M_CASID 793
+#define SPR_MD_AP 794
+#define SPR_MD_EPN 795
+#define SPR_M_TWB 796
+#define SPR_MD_TWC 797
+#define SPR_MD_RPN 798
+#define SPR_M_TW 799
+#define SPR_MI_DBCAM 816
+#define SPR_MI_DBRAM0 817
+#define SPR_MI_DBRAM1 818
+#define SPR_MD_DBCAM 824
+#define SPR_MD_DBRAM0 825
+#define SPR_MD_DBRAM1 826
+#define SPR_ZPR 944
+#define SPR_PID 945
+#define SPR_CCR0 947
+#define SPR_IAC3 948
+#define SPR_IAC4 949
+#define SPR_DVC1 950
+#define SPR_DVC2 951
+#define SPR_SGR 953
+#define SPR_DCWR 954
+#define SPR_SLER 955
+#define SPR_SU0R 956
+#define SPR_DBCR1 957
+#define SPR_ICDBDR 979
+#define SPR_ESR 980
+#define SPR_DEAR 981
+#define SPR_EVPR 982
+#define SPR_TSR 984
+#define SPR_TCR 986
+#define SPR_PIT 987
+#define SPR_SRR2 990
+#define SPR_SRR3 991
+#define SPR_DBSR 1008
+#define SPR_DBCR0 1010
+#define SPR_IABR 1010 /* MPC603e core */
+#define SPR_IAC1 1012
+#define SPR_IAC2 1013
+#define SPR_DAC1 1014
+#define SPR_DAC2 1015
+#define SPR_DCCR 1018
+#define SPR_ICCR 1019
+
+/* Bits for the DBCR0 register */
+#define DBCR0_EDM 0x80000000
+#define DBCR0_IDM 0x40000000
+#define DBCR0_RST 0x30000000
+#define DBCR0_IC 0x08000000
+#define DBCR0_BT 0x04000000
+#define DBCR0_EDE 0x02000000
+#define DBCR0_TDE 0x01000000
+#define DBCR0_IA1 0x00800000
+#define DBCR0_IA2 0x00400000
+#define DBCR0_IA12 0x00200000
+#define DBCR0_IA12X 0x00100000
+#define DBCR0_IA3 0x00080000
+#define DBCR0_IA4 0x00040000
+#define DBCR0_IA34 0x00020000
+#define DBCR0_IA34X 0x00010000
+#define DBCR0_IA12T 0x00008000
+#define DBCR0_IA34T 0x00004000
+#define DBCR0_FT 0x00000001
+
+/* Bits for the DBCR1 register */
+#define DBCR1_D1R 0x80000000
+#define DBCR1_D2R 0x40000000
+#define DBCR1_D1W 0x20000000
+#define DBCR1_D2W 0x10000000
+#define DBCR1_D1S 0x0C000000
+#define DBCR1_D2S 0x03000000
+#define DBCR1_DA12 0x00800000
+#define DBCR1_DA12X 0x00400000
+#define DBCR1_DV1M 0x000C0000
+#define DBCR1_DV2M 0x00030000
+#define DBCR1_DV1BE 0x0000F000
+#define DBCR1_DV2BE 0x00000F00
+
+/* Bits for the DBSR register */
+#define DBSR_IC 0x80000000
+#define DBSR_BT 0x40000000
+#define DBSR_EDE 0x20000000
+#define DBSR_TIE 0x10000000
+#define DBSR_UDE 0x08000000
+#define DBSR_IA1 0x04000000
+#define DBSR_IA2 0x02000000
+#define DBSR_DR1 0x01000000
+#define DBSR_DW1 0x00800000
+#define DBSR_DR2 0x00400000
+#define DBSR_DW2 0x00200000
+#define DBSR_IDE 0x00100000
+#define DBSR_IA3 0x00080000
+#define DBSR_IA4 0x00040000
+#define DBSR_MRR 0x00000300
+
+struct spr_info {
+ int spr_val;
+ char spr_name[ 10 ];
+};
+
+extern struct spr_info spr_map[];
+extern const unsigned int n_sprs;
+
+
+#define SET_REGISTER( str, val ) \
+({ unsigned long __value = (val); \
+ asm volatile( str : : "r" (__value)); \
+ __value; })
+
+#define GET_REGISTER( str ) \
+({ unsigned long __value; \
+ asm volatile( str : "=r" (__value) : ); \
+ __value; })
+
+#define GET_CR() GET_REGISTER( "mfcr %0" )
+#define SET_CR(val) SET_REGISTER( "mtcr %0", val )
+#define GET_MSR() GET_REGISTER( "mfmsr %0" )
+#define SET_MSR(val) SET_REGISTER( "mtmsr %0", val )
+#define GET_XER() GET_REGISTER( "mfspr %0,1" )
+#define SET_XER(val) SET_REGISTER( "mtspr 1,%0", val )
+#define GET_LR() GET_REGISTER( "mfspr %0,8" )
+#define SET_LR(val) SET_REGISTER( "mtspr 8,%0", val )
+#define GET_CTR() GET_REGISTER( "mfspr %0,9" )
+#define SET_CTR(val) SET_REGISTER( "mtspr 9,%0", val )
+#define GET_DSISR() GET_REGISTER( "mfspr %0,18" )
+#define SET_DSISR(val) SET_REGISTER( "mtspr 18,%0", val )
+#define GET_DAR() GET_REGISTER( "mfspr %0,19" )
+#define SET_DAR(val) SET_REGISTER( "mtspr 19,%0", val )
+#define GET_DEC() GET_REGISTER( "mfspr %0,22" )
+#define SET_DEC(val) SET_REGISTER( "mtspr 22,%0", val )
+#define GET_SRR0() GET_REGISTER( "mfspr %0,26" )
+#define SET_SRR0(val) SET_REGISTER( "mtspr 26,%0", val )
+#define GET_SRR1() GET_REGISTER( "mfspr %0,27" )
+#define SET_SRR1(val) SET_REGISTER( "mtspr 27,%0", val )
+#define GET_EIE() GET_REGISTER( "mfspr %0,80" )
+#define SET_EIE(val) SET_REGISTER( "mtspr 80,%0", val )
+#define GET_EID() GET_REGISTER( "mfspr %0,81" )
+#define SET_EID(val) SET_REGISTER( "mtspr 81,%0", val )
+#define GET_CMPA() GET_REGISTER( "mfspr %0,144" )
+#define SET_CMPA(val) SET_REGISTER( "mtspr 144,%0", val )
+#define GET_CMPB() GET_REGISTER( "mfspr %0,145" )
+#define SET_CMPB(val) SET_REGISTER( "mtspr 145,%0", val )
+#define GET_CMPC() GET_REGISTER( "mfspr %0,146" )
+#define SET_CMPC(val) SET_REGISTER( "mtspr 146,%0", val )
+#define GET_CMPD() GET_REGISTER( "mfspr %0,147" )
+#define SET_CMPD(val) SET_REGISTER( "mtspr 147,%0", val )
+#define GET_ICR() GET_REGISTER( "mfspr %0,148" )
+#define SET_ICR(val) SET_REGISTER( "mtspr 148,%0", val )
+#define GET_DER() GET_REGISTER( "mfspr %0,149" )
+#define SET_DER(val) SET_REGISTER( "mtspr 149,%0", val )
+#define GET_COUNTA() GET_REGISTER( "mfspr %0,150" )
+#define SET_COUNTA(val) SET_REGISTER( "mtspr 150,%0", val )
+#define GET_COUNTB() GET_REGISTER( "mfspr %0,151" )
+#define SET_COUNTB(val) SET_REGISTER( "mtspr 151,%0", val )
+#define GET_CMPE() GET_REGISTER( "mfspr %0,152" )
+#define SET_CMPE(val) SET_REGISTER( "mtspr 152,%0", val )
+#define GET_CMPF() GET_REGISTER( "mfspr %0,153" )
+#define SET_CMPF(val) SET_REGISTER( "mtspr 153,%0", val )
+#define GET_CMPG() GET_REGISTER( "mfspr %0,154" )
+#define SET_CMPG(val) SET_REGISTER( "mtspr 154,%0", val )
+#define GET_CMPH() GET_REGISTER( "mfspr %0,155" )
+#define SET_CMPH(val) SET_REGISTER( "mtspr 155,%0", val )
+#define GET_LCTRL1() GET_REGISTER( "mfspr %0,156" )
+#define SET_LCTRL1(val) SET_REGISTER( "mtspr 156,%0", val )
+#define GET_LCTRL2() GET_REGISTER( "mfspr %0,157" )
+#define SET_LCTRL2(val) SET_REGISTER( "mtspr 157,%0", val )
+#define GET_ICTRL() GET_REGISTER( "mfspr %0,158" )
+#define SET_ICTRL(val) SET_REGISTER( "mtspr 158,%0", val )
+#define GET_BAR() GET_REGISTER( "mfspr %0,159" )
+#define SET_BAR(val) SET_REGISTER( "mtspr 159,%0", val )
+#define GET_USPRG0() GET_REGISTER( "mfspr %0,256" )
+#define SET_USPRG0(val) SET_REGISTER( "mtspr 256,%0", val )
+#define GET_SPRG4_RO() GET_REGISTER( "mfspr %0,260" )
+#define SET_SPRG4_RO(val) SET_REGISTER( "mtspr 260,%0", val )
+#define GET_SPRG5_RO() GET_REGISTER( "mfspr %0,261" )
+#define SET_SPRG5_RO(val) SET_REGISTER( "mtspr 261,%0", val )
+#define GET_SPRG6_RO() GET_REGISTER( "mfspr %0,262" )
+#define SET_SPRG6_RO(val) SET_REGISTER( "mtspr 262,%0", val )
+#define GET_SPRG7_RO() GET_REGISTER( "mfspr %0,263" )
+#define SET_SPRG7_RO(val) SET_REGISTER( "mtspr 263,%0", val )
+#define GET_SPRG0() GET_REGISTER( "mfspr %0,272" )
+#define SET_SPRG0(val) SET_REGISTER( "mtspr 272,%0", val )
+#define GET_SPRG1() GET_REGISTER( "mfspr %0,273" )
+#define SET_SPRG1(val) SET_REGISTER( "mtspr 273,%0", val )
+#define GET_SPRG2() GET_REGISTER( "mfspr %0,274" )
+#define SET_SPRG2(val) SET_REGISTER( "mtspr 274,%0", val )
+#define GET_SPRG3() GET_REGISTER( "mfspr %0,275" )
+#define SET_SPRG3(val) SET_REGISTER( "mtspr 275,%0", val )
+#define GET_SPRG4() GET_REGISTER( "mfspr %0,276" )
+#define SET_SPRG4(val) SET_REGISTER( "mtspr 276,%0", val )
+#define GET_SPRG5() GET_REGISTER( "mfspr %0,277" )
+#define SET_SPRG5(val) SET_REGISTER( "mtspr 277,%0", val )
+#define GET_SPRG6() GET_REGISTER( "mfspr %0,278" )
+#define SET_SPRG6(val) SET_REGISTER( "mtspr 278,%0", val )
+#define GET_SPRG7() GET_REGISTER( "mfspr %0,279" )
+#define SET_SPRG7(val) SET_REGISTER( "mtspr 279,%0", val )
+#define GET_EAR() GET_REGISTER( "mfspr %0,282" )
+#define SET_EAR(val) SET_REGISTER( "mtspr 282,%0", val )
+#define GET_TBL() GET_REGISTER( "mfspr %0,284" )
+#define SET_TBL(val) SET_REGISTER( "mtspr 284,%0", val )
+#define GET_TBU() GET_REGISTER( "mfspr %0,285" )
+#define SET_TBU(val) SET_REGISTER( "mtspr 285,%0", val )
+#define GET_PVR() GET_REGISTER( "mfspr %0,287" )
+#define SET_PVR(val) SET_REGISTER( "mtspr 287,%0", val )
+#define GET_IC_CST() GET_REGISTER( "mfspr %0,560" )
+#define SET_IC_CST(val) SET_REGISTER( "mtspr 560,%0", val )
+#define GET_IC_ADR() GET_REGISTER( "mfspr %0,561" )
+#define SET_IC_ADR(val) SET_REGISTER( "mtspr 561,%0", val )
+#define GET_IC_DAT() GET_REGISTER( "mfspr %0,562" )
+#define SET_IC_DAT(val) SET_REGISTER( "mtspr 562,%0", val )
+#define GET_DC_CST() GET_REGISTER( "mfspr %0,568" )
+#define SET_DC_CST(val) SET_REGISTER( "mtspr 568,%0", val )
+#define GET_DC_ADR() GET_REGISTER( "mfspr %0,569" )
+#define SET_DC_ADR(val) SET_REGISTER( "mtspr 569,%0", val )
+#define GET_DC_DAT() GET_REGISTER( "mfspr %0,570" )
+#define SET_DC_DAT(val) SET_REGISTER( "mtspr 570,%0", val )
+#define GET_DPDR() GET_REGISTER( "mfspr %0,630" )
+#define SET_DPDR(val) SET_REGISTER( "mtspr 630,%0", val )
+#define GET_IMMR() GET_REGISTER( "mfspr %0,638" )
+#define SET_IMMR(val) SET_REGISTER( "mtspr 638,%0", val )
+#define GET_MI_CTR() GET_REGISTER( "mfspr %0,784" )
+#define SET_MI_CTR(val) SET_REGISTER( "mtspr 784,%0", val )
+#define GET_MI_AP() GET_REGISTER( "mfspr %0,786" )
+#define SET_MI_AP(val) SET_REGISTER( "mtspr 786,%0", val )
+#define GET_MI_EPN() GET_REGISTER( "mfspr %0,787" )
+#define SET_MI_EPN(val) SET_REGISTER( "mtspr 787,%0", val )
+#define GET_MI_TWC() GET_REGISTER( "mfspr %0,789" )
+#define SET_MI_TWC(val) SET_REGISTER( "mtspr 789,%0", val )
+#define GET_MI_RPN() GET_REGISTER( "mfspr %0,790" )
+#define SET_MI_RPN(val) SET_REGISTER( "mtspr 790,%0", val )
+#define GET_MD_CTR() GET_REGISTER( "mfspr %0,792" )
+#define SET_MD_CTR(val) SET_REGISTER( "mtspr 792,%0", val )
+#define GET_M_CASID() GET_REGISTER( "mfspr %0,793" )
+#define SET_M_CASID(val) SET_REGISTER( "mtspr 793,%0", val )
+#define GET_MD_AP() GET_REGISTER( "mfspr %0,794" )
+#define SET_MD_AP(val) SET_REGISTER( "mtspr ,794%0", val )
+#define GET_MD_EPN() GET_REGISTER( "mfspr %0,795" )
+#define SET_MD_EPN(val) SET_REGISTER( "mtspr 795,%0", val )
+#define GET_M_TWB() GET_REGISTER( "mfspr %0,796" )
+#define SET_M_TWB(val) SET_REGISTER( "mtspr 796,%0", val )
+#define GET_MD_TWC() GET_REGISTER( "mfspr %0,797" )
+#define SET_MD_TWC(val) SET_REGISTER( "mtspr 797,%0", val )
+#define GET_MD_RPN() GET_REGISTER( "mfspr %0,798" )
+#define SET_MD_RPN(val) SET_REGISTER( "mtspr 798,%0", val )
+#define GET_M_TW() GET_REGISTER( "mfspr %0,799" )
+#define SET_M_TW(val) SET_REGISTER( "mtspr 799,%0", val )
+#define GET_MI_DBCAM() GET_REGISTER( "mfspr %0,816" )
+#define SET_MI_DBCAM(val) SET_REGISTER( "mtspr 816,%0", val )
+#define GET_MI_DBRAM0() GET_REGISTER( "mfspr %0,817" )
+#define SET_MI_DBRAM0(val) SET_REGISTER( "mtspr 817,%0", val )
+#define GET_MI_DBRAM1() GET_REGISTER( "mfspr %0,818" )
+#define SET_MI_DBRAM1(val) SET_REGISTER( "mtspr 818,%0", val )
+#define GET_MD_DBCAM() GET_REGISTER( "mfspr %0,824" )
+#define SET_MD_DBCA(val) SET_REGISTER( "mtspr 824,%0", val )
+#define GET_MD_DBRAM0() GET_REGISTER( "mfspr %0,825" )
+#define SET_MD_DBRAM0(val) SET_REGISTER( "mtspr 825,%0", val )
+#define GET_MD_DBRAM1() GET_REGISTER( "mfspr %0,826" )
+#define SET_MD_DBRAM1(val) SET_REGISTER( "mtspr 826,%0", val )
+#define GET_ZPR() GET_REGISTER( "mfspr %0,944" )
+#define SET_ZPR(val) SET_REGISTER( "mtspr 944,%0", val )
+#define GET_PID() GET_REGISTER( "mfspr %0,945" )
+#define SET_PID(val) SET_REGISTER( "mtspr 945,%0", val )
+#define GET_CCR0() GET_REGISTER( "mfspr %0,947" )
+#define SET_CCR0(val) SET_REGISTER( "mtspr 947,%0", val )
+#define GET_IAC3() GET_REGISTER( "mfspr %0,948" )
+#define SET_IAC3(val) SET_REGISTER( "mtspr 948,%0", val )
+#define GET_IAC4() GET_REGISTER( "mfspr %0,949" )
+#define SET_IAC4(val) SET_REGISTER( "mtspr 949,%0", val )
+#define GET_DVC1() GET_REGISTER( "mfspr %0,950" )
+#define SET_DVC1(val) SET_REGISTER( "mtspr 950,%0", val )
+#define GET_DVC2() GET_REGISTER( "mfspr %0,951" )
+#define SET_DVC2(val) SET_REGISTER( "mtspr 951,%0", val )
+#define GET_SGR() GET_REGISTER( "mfspr %0,953" )
+#define SET_SGR(val) SET_REGISTER( "mtspr 953,%0", val )
+#define GET_DCWR() GET_REGISTER( "mfspr %0,954" )
+#define SET_DCWR(val) SET_REGISTER( "mtspr 954,%0", val )
+#define GET_SLER() GET_REGISTER( "mfspr %0,955" )
+#define SET_SLER(val) SET_REGISTER( "mtspr 955,%0", val )
+#define GET_SU0R() GET_REGISTER( "mfspr %0,956" )
+#define SET_SU0R(val) SET_REGISTER( "mtspr 956,%0", val )
+#define GET_DBCR1() GET_REGISTER( "mfspr %0,957" )
+#define SET_DBCR1(val) SET_REGISTER( "mtspr 957,%0", val )
+#define GET_ICDBDR() GET_REGISTER( "mfspr %0,979" )
+#define SET_ICDBDR(val) SET_REGISTER( "mtspr 979,%0", val )
+#define GET_ESR() GET_REGISTER( "mfspr %0,980" )
+#define SET_ESR(val) SET_REGISTER( "mtspr 980,%0", val )
+#define GET_DEAR() GET_REGISTER( "mfspr %0,981" )
+#define SET_DEAR(val) SET_REGISTER( "mtspr 981,%0", val )
+#define GET_EVPR() GET_REGISTER( "mfspr %0,982" )
+#define SET_EVPR(val) SET_REGISTER( "mtspr 982,%0", val )
+#define GET_TSR() GET_REGISTER( "mfspr %0,984" )
+#define SET_TSR(val) SET_REGISTER( "mtspr 984,%0", val )
+#define GET_TCR() GET_REGISTER( "mfspr %0,986" )
+#define SET_TCR(val) SET_REGISTER( "mtspr 986,%0", val )
+#define GET_PIT() GET_REGISTER( "mfspr %0,987" )
+#define SET_PIT(val) SET_REGISTER( "mtspr 987,%0", val )
+#define GET_SRR2() GET_REGISTER( "mfspr %0,990" )
+#define SET_SRR2(val) SET_REGISTER( "mtspr 990,%0", val )
+#define GET_SRR3() GET_REGISTER( "mfspr %0,991" )
+#define SET_SRR3(val) SET_REGISTER( "mtspr 991,%0", val )
+#define GET_DBSR() GET_REGISTER( "mfspr %0,1008" )
+#define SET_DBSR(val) SET_REGISTER( "mtspr 1008,%0", val )
+#define GET_DBCR0() GET_REGISTER( "mfspr %0,1010" )
+#define SET_DBCR0(val) SET_REGISTER( "mtspr 1010,%0", val )
+#define GET_IABR() GET_REGISTER( "mfspr %0,1010" )
+#define SET_IABR(val) SET_REGISTER( "mtspr 1010,%0", val )
+#define GET_IAC1() GET_REGISTER( "mfspr %0,1012" )
+#define SET_IAC1(val) SET_REGISTER( "mtspr 1012,%0", val )
+#define GET_IAC2() GET_REGISTER( "mfspr %0,1013" )
+#define SET_IAC2(val) SET_REGISTER( "mtspr 1013,%0", val )
+#define GET_DAC1() GET_REGISTER( "mfspr %0,1014" )
+#define SET_DAC1(val) SET_REGISTER( "mtspr 1014,%0", val )
+#define GET_DAC2() GET_REGISTER( "mfspr %0,1015" )
+#define SET_DAC2(val) SET_REGISTER( "mtspr 1015,%0", val )
+#define GET_DCCR() GET_REGISTER( "mfspr %0,1018" )
+#define SET_DCCR(val) SET_REGISTER( "mtspr 1018,%0", val )
+#define GET_ICCR() GET_REGISTER( "mfspr %0,1019" )
+#define SET_ICCR(val) SET_REGISTER( "mtspr 1019,%0", val )
+
+#endif /* _REGS_H */
+
+
+/*
+ * Copyright (c) 2000 William L. Pitts and W. Gerald Hicks
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are freely
+ * permitted provided that the above copyright notice and this
+ * paragraph and the following disclaimer are duplicated in all
+ * such forms.
+ *
+ * This software is provided "AS IS" and without any express or
+ * implied warranties, including, without limitation, the implied
+ * warranties of merchantability and fitness for a particular
+ * purpose.
+ */
