339 lines
9.5 KiB
C++
339 lines
9.5 KiB
C++
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#include "m740.hpp"
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int data_id;
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// 740 registers names
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static const char *const RegNames[] =
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{
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"A", // accumulator
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"X", // index register X
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"Y", // index register Y
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"S", // stack pointer
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"PS", // processor status register
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"cs", "ds" // these 2 registers are required by the IDA kernel
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};
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const char *m740_t::set_idp_options(
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const char *keyword,
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int /*value_type*/,
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const void * /*value*/,
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bool /*idb_loaded*/)
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{
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if ( keyword != NULL )
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return IDPOPT_BADKEY;
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char cfgfile[QMAXFILE];
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ioh.get_cfg_filename(cfgfile, sizeof(cfgfile));
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if ( !choose_ioport_device(&ioh.device, cfgfile) )
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{
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if ( ioh.device == NONEPROC )
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warning("No devices are defined in the configuration file %s", cfgfile);
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}
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else
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{
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ioh.set_device_name(ioh.device.c_str(), IORESP_ALL);
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}
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return IDPOPT_OK;
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}
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//----------------------------------------------------------------------
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void m740_t::load_from_idb()
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{
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ioh.restore_device();
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}
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//----------------------------------------------------------------------
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// This old-style callback only returns the processor module object.
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static ssize_t idaapi notify(void *, int msgid, va_list)
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{
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if ( msgid == processor_t::ev_get_procmod )
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return size_t(SET_MODULE_DATA(m740_t));
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return 0;
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}
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//----------------------------------------------------------------------
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ssize_t idaapi m740_t::on_event(ssize_t msgid, va_list va)
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{
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int code = 0;
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switch ( msgid )
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{
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case processor_t::ev_init:
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helper.create(PROCMOD_NODE_NAME);
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break;
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case processor_t::ev_term:
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clr_module_data(data_id);
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break;
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case processor_t::ev_newfile:
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set_idp_options(NULL, 0, NULL, true);
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break;
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case processor_t::ev_ending_undo:
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case processor_t::ev_oldfile:
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load_from_idb();
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break;
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case processor_t::ev_out_header:
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{
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outctx_t *ctx = va_arg(va, outctx_t *);
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m740_header(*ctx);
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return 1;
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}
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case processor_t::ev_out_footer:
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{
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outctx_t *ctx = va_arg(va, outctx_t *);
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m740_footer(*ctx);
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return 1;
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}
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case processor_t::ev_out_segstart:
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{
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outctx_t *ctx = va_arg(va, outctx_t *);
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segment_t *seg = va_arg(va, segment_t *);
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m740_segstart(*ctx, seg);
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return 1;
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}
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case processor_t::ev_ana_insn:
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{
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insn_t *out = va_arg(va, insn_t *);
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return ana(out);
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}
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case processor_t::ev_emu_insn:
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{
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const insn_t *insn = va_arg(va, const insn_t *);
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return emu(*insn) ? 1 : -1;
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}
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case processor_t::ev_out_insn:
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{
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outctx_t *ctx = va_arg(va, outctx_t *);
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out_insn(*ctx);
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return 1;
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}
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case processor_t::ev_out_operand:
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{
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outctx_t *ctx = va_arg(va, outctx_t *);
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const op_t *op = va_arg(va, const op_t *);
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return out_opnd(*ctx, *op) ? 1 : -1;
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}
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case processor_t::ev_set_idp_options:
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{
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const char *keyword = va_arg(va, const char *);
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int value_type = va_arg(va, int);
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const char *value = va_arg(va, const char *);
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const char **errmsg = va_arg(va, const char **);
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bool idb_loaded = va_argi(va, bool);
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const char *ret = set_idp_options(keyword, value_type, value, idb_loaded);
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if ( ret == IDPOPT_OK )
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return 1;
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if ( errmsg != NULL )
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*errmsg = ret;
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return -1;
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}
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default:
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break;
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}
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return code;
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}
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static const asm_t as_asm =
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{
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AS_COLON
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|ASH_HEXF4 // hex $123 format
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|ASB_BINF3 // bin 0b010 format
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|ASO_OCTF5 // oct 123q format
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|AS_1TEXT, // 1 text per line, no bytes
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UAS_SEGM|UAS_INDX_NOSPACE,
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"Alfred Arnold's Macro Assembler",
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0,
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NULL, // no headers
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"ORG", // origin directive
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"END", // end directive
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";", // comment string
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'"', // string delimiter
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'\'', // char delimiter
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"\\\"'", // special symbols in char and string constants
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"BYT", // ascii string directive
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"BYT", // byte directive (alias: DB)
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NULL, // word directive (alias: DW)
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NULL, // dword (4 bytes, alias: DD)
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NULL, // qword (8 bytes)
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NULL, // oword (16 bytes)
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NULL, // float (4 bytes)
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NULL, // double (8 bytes)
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NULL, // tbyte (10/12 bytes)
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NULL, // packed decimal real
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NULL, // arrays (#h,#d,#v,#s(...)
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"dfs %s", // uninited arrays
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"equ", // Equ
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NULL, // seg prefix
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"$", // current IP (instruction pointer) symbol in assembler
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NULL, // func_header
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NULL, // func_footer
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NULL, // public
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NULL, // weak
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NULL, // extrn
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NULL, // comm
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NULL, // get_type_name
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NULL, // align
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'(', ')', // lbrace, rbrace
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"%", // mod
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"&", // and
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"|", // or
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"^", // xor
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"!", // not
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"<<", // shl
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">>", // shr
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NULL, // sizeof
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0, // flag2 ???
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NULL, // comment close string
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NULL, // low8 op
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NULL, // high8 op
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NULL, // low16 op
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NULL // high16 op
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};
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static const asm_t iar_asm =
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{
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AS_COLON
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|ASH_HEXF4 // hex $123 format
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|ASB_BINF3 // bin 0b010 format
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|ASO_OCTF5 // oct 123q format
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|AS_1TEXT, // 1 text per line, no bytes
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UAS_RSEG,
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"IAR 740 Assembler",
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0,
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NULL, // no headers
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"ORG", // origin directive
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"END", // end directive
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";", // comment string
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'"', // string delimiter
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'\'', // char delimiter
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"\\\"'", // special symbols in char and string constants
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"BYTE", // ascii string directive
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"BYTE", // byte directive (alias: DB)
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"WORD", // word directive (alias: DW)
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"DWORD", // dword (4 bytes, alias: DD)
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NULL, // qword (8 bytes)
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NULL, // oword (16 bytes)
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NULL, // float (4 bytes)
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NULL, // double (8 bytes)
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NULL, // tbyte (10/12 bytes)
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NULL, // packed decimal real
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NULL, // arrays (#h,#d,#v,#s(...)
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"BLKB %s", // uninited arrays
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"EQU", // Equ
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NULL, // seg prefix
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"$", // current IP (instruction pointer) symbol in assembler
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NULL, // func_header
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NULL, // func_footer
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"PUBLIC", // public
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NULL, // weak
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NULL, // extrn
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NULL, // comm
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NULL, // get_type_name
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NULL, // align
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'(', ')', // lbrace, rbrace
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"%", // mod
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"&", // and
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"|", // or
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"^", // xor
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"!", // not
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"<<", // shl
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">>", // shr
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"SIZEOF", // sizeof
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0, // flag2 ???
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NULL, // comment close string
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NULL, // low8 op
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NULL, // high8 op
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NULL, // low16 op
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NULL // high16 op
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};
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// Supported assemblers
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static const asm_t *const asms[] = { &as_asm, &iar_asm, NULL };
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// Short and long name for our module
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#define FAMILY "Mitsubishi 8-BIT 740 family:" // MELPS 740, Renesas 740
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static const char *const shnames[] =
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{
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"m740",
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NULL
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};
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static const char *const lnames[] =
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{
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FAMILY "Mitsubishi 8-BIT 740 family",
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NULL
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};
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static const uchar retcode_1[] = { 0x40 }; // rti
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static const uchar retcode_2[] = { 0x60 }; // rts
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static const bytes_t retcodes[] =
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{
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{ sizeof(retcode_1), retcode_1 },
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{ sizeof(retcode_2), retcode_2 },
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{ 0, NULL } // NULL terminated array
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};
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//-----------------------------------------------------------------------
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// Processor Definition
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//-----------------------------------------------------------------------
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processor_t LPH =
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{
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IDP_INTERFACE_VERSION, // version
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PLFM_M740, // id
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// flag
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PR_RNAMESOK // can use register names for byte names
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| PR_BINMEM, // The module creates RAM/ROM segments for binary files
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// (the kernel shouldn't ask the user about their sizes and addresses)
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// flag2
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PR2_IDP_OPTS, // the module has processor-specific configuration options
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8, // 8 bits in a byte for code segments
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8, // 8 bits in a byte for other segments
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shnames, // array of short processor names
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// the short names are used to specify the processor
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// with the -p command line switch)
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lnames, // array of long processor names
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// the long names are used to build the processor type
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// selection menu
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asms, // array of target assemblers
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notify, // the kernel event notification callback
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RegNames, // Regsiter names
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qnumber(RegNames), // Number of registers
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rVcs,rVds,
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0, // size of a segment register
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rVcs,rVds,
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NULL, // No known code start sequences
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retcodes,
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0, m740_last,
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Instructions, // instruc
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0, // int tbyte_size; -- doesn't exist
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{ 0, 7, 15, 0 }, // char real_width[4];
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// number of symbols after decimal point
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// 2byte float (0-does not exist)
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// normal float
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// normal double
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// long double
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m740_rts, // Icode of return instruction. It is ok to give any of possible return instructions
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};
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