diff options
Diffstat (limited to 'include/bedbug/ppc.h')
| -rw-r--r-- | include/bedbug/ppc.h | 408 |
1 files changed, 0 insertions, 408 deletions
diff --git a/include/bedbug/ppc.h b/include/bedbug/ppc.h deleted file mode 100644 index 76d86fdbf76..00000000000 --- a/include/bedbug/ppc.h +++ /dev/null @@ -1,408 +0,0 @@ -/* $Id$ */ - -#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) - -#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. - */ |