#include "m740.hpp" #include #include // The netnode helper. // Using this node we will save current configuration information in the // IDA database. static netnode helper; // 740 registers names char *RegNames[] = { "A", // accumulator "X", // index register X "Y", // index register Y "S", // stack pointer "PS", // processor status register "cs", "ds" // these 2 registers are required by the IDA kernel }; static size_t numports = 0; static ioport_t *ports = NULL; char device[MAXSTR] = ""; // include IO common routines (such as set_device_name, apply_config_file, etc..) #include "../iocommon.cpp" // returns a pointer to a ioport_t object if address was found in the config file. // otherwise, returns NULL. const ioport_t *find_sym(int address) { return find_ioport(ports, numports, address); } const char *set_idp_options( const char *keyword, int /*value_type*/, const void * /*value*/ ) { if (keyword != NULL) return IDPOPT_BADKEY; char cfgfile[QMAXFILE]; get_cfg_filename(cfgfile, sizeof(cfgfile)); if ( !choose_ioport_device(cfgfile, device, sizeof(device), NULL) ) { if ( strcmp(device, NONEPROC) == 0 ) warning("No devices are defined in the configuration file %s", cfgfile); } else set_device_name(device, IORESP_ALL); return IDPOPT_OK; } // The kernel event notifications // Here you may take desired actions upon some kernel events static int notify(processor_t::idp_notify msgid, ...) { va_list va; va_start(va, msgid); // A well behavior processor module should call invoke_callbacks() // in his notify() function. If this function returns 0, then // the processor module should process the notification itself // Otherwise the code should be returned to the caller: int code = invoke_callbacks(HT_IDP, msgid, va); if (code) return code; switch(msgid) { case ph.init: helper.create("$ m740"); break; case ph.newfile: set_idp_options(NULL, 0, NULL); break; case ph.oldfile: set_device_name(helper.supval(-1), IORESP_ALL); break; case ph.closebase: helper.supset(-1, device); break; } va_end(va); return(1); } static asm_t as_asm = { AS_COLON | ASH_HEXF4 | // hex $123 format ASB_BINF3 | // bin 0b010 format ASO_OCTF5 | // oct 123q format AS_1TEXT, // 1 text per line, no bytes UAS_SEGM|UAS_INDX_NOSPACE, "Alfred Arnold's Macro Assembler", 0, NULL, // no headers NULL, // no bad instructions "ORG", // origin directive "END", // end directive ";", // comment string '"', // string delimiter '\'', // char delimiter "\\\"'", // special symbols in char and string constants "BYT", // ascii string directive "BYT", // byte directive (alias: DB) NULL, // word directive (alias: DW) NULL, // dword (4 bytes, alias: DD) NULL, // qword (8 bytes) NULL, // oword (16 bytes) NULL, // float (4 bytes) NULL, // double (8 bytes) NULL, // tbyte (10/12 bytes) NULL, // packed decimal real NULL, // arrays (#h,#d,#v,#s(...) "dfs %s", // uninited arrays "equ", // Equ NULL, // seg prefix NULL, // checkarg_preline() NULL, // checkarg_atomprefix() NULL, // checkarg_operations() NULL, // translation to use in character & string constants "$", // current IP (instruction pointer) symbol in assembler NULL, // func_header NULL, // func_footer NULL, // public NULL, // weak NULL, // extrn NULL, // comm NULL, // get_type_name NULL, // align '(', ')', // lbrace, rbrace "%", // mod "&", // and "|", // or "^", // xor "!", // not "<<", // shl ">>", // shr NULL, // sizeof 0, // flag2 ??? NULL, // comment close string NULL, // low8 op NULL, // high8 op NULL, // low16 op NULL // high16 op }; static asm_t iar_asm = { AS_COLON | ASH_HEXF4 | // hex $123 format ASB_BINF3 | // bin 0b010 format ASO_OCTF5 | // oct 123q format AS_1TEXT, // 1 text per line, no bytes UAS_RSEG, "IAR 740 Assembler", 0, NULL, // no headers NULL, // no bad instructions "ORG", // origin directive "END", // end directive ";", // comment string '"', // string delimiter '\'', // char delimiter "\\\"'", // special symbols in char and string constants "BYTE", // ascii string directive "BYTE", // byte directive (alias: DB) "WORD", // word directive (alias: DW) "DWORD", // dword (4 bytes, alias: DD) NULL, // qword (8 bytes) NULL, // oword (16 bytes) NULL, // float (4 bytes) NULL, // double (8 bytes) NULL, // tbyte (10/12 bytes) NULL, // packed decimal real NULL, // arrays (#h,#d,#v,#s(...) "BLKB %s", // uninited arrays "EQU", // Equ NULL, // seg prefix NULL, // checkarg_preline() NULL, // checkarg_atomprefix() NULL, // checkarg_operations() NULL, // translation to use in character & string constants "$", // current IP (instruction pointer) symbol in assembler NULL, // func_header NULL, // func_footer "PUBLIC", // public NULL, // weak NULL, // extrn NULL, // comm NULL, // get_type_name NULL, // align '(', ')', // lbrace, rbrace "%", // mod "&", // and "|", // or "^", // xor "!", // not "<<", // shl ">>", // shr "SIZEOF", // sizeof 0, // flag2 ??? NULL, // comment close string NULL, // low8 op NULL, // high8 op NULL, // low16 op NULL // high16 op }; // Supported assemblers static asm_t *asms[] = { &as_asm, &iar_asm, NULL }; // Short and long name for our module static char *shnames[] = { "m740", NULL }; static char *lnames[] = { "Mitsubishi 8-BIT 740 family", NULL }; static uchar retcode_1[] = { 0x40 }; // rti static uchar retcode_2[] = { 0x60 }; // rts static bytes_t retcodes[] = { { sizeof(retcode_1), retcode_1 }, { sizeof(retcode_2), retcode_2 }, { 0, NULL } // NULL terminated array }; //----------------------------------------------------------------------- // Processor Definition //----------------------------------------------------------------------- processor_t LPH = { IDP_INTERFACE_VERSION,// version PLFM_M740, // id PR_RNAMESOK // can use register names for byte names |PR_BINMEM, // The module creates RAM/ROM segments for binary files // (the kernel shouldn't ask the user about their sizes and addresses) 8, // 8 bits in a byte for code segments 8, // 8 bits in a byte for other segments shnames, // array of short processor names // the short names are used to specify the processor // with the -p command line switch) lnames, // array of long processor names // the long names are used to build the processor type // selection menu asms, // array of target assemblers notify, // the kernel event notification callback header, // generate the disassembly header footer, // generate the disassembly footer gen_segm_header, // generate a segment declaration (start of segment) std_gen_segm_footer, // generate a segment footer (end of segment) NULL, // generate 'assume' directives ana, // analyze an instruction and fill the 'cmd' structure emu, // emulate an instruction out, // generate a text representation of an instruction outop, // generate a text representation of an operand intel_data, // generate a text representation of a data item NULL, // compare operands NULL, // can an operand have a type? qnumber(RegNames), // Number of registers RegNames, // Regsiter names NULL, // get abstract register 0, // Number of register files NULL, // Register file names NULL, // Register descriptions NULL, // Pointer to CPU registers rVcs,rVds, 0, // size of a segment register rVcs,rVds, NULL, // No known code start sequences retcodes, 0, m740_last, Instructions, NULL, // int (*is_far_jump)(int icode); NULL, // Translation function for offsets 0, // int tbyte_size; -- doesn't exist NULL, // int (*realcvt)(void *m, ushort *e, ushort swt); { 0, 7, 15, 0 }, // char real_width[4]; // number of symbols after decimal point // 2byte float (0-does not exist) // normal float // normal double // long double NULL, // int (*is_switch)(switch_info_t *si); NULL, // long (*gen_map_file)(FILE *fp); NULL, // ulong (*extract_address)(ulong ea,const char *string,int x); NULL, // int (*is_sp_based)(op_t &x); NULL, // int (*create_func_frame)(func_t *pfn); NULL, // int (*get_frame_retsize(func_t *pfn) NULL, // void (*gen_stkvar_def)(char *buf,const member_t *mptr,long v); gen_spcdef, // Generate text representation of an item in a special segment m740_rts, // Icode of return instruction. It is ok to give any of possible return instructions set_idp_options, // const char *(*set_idp_options)(const char *keyword,int value_type,const void *value); NULL, // int (*is_align_insn)(ulong ea); NULL // mvm_t *mvm; };