201 lines
6.2 KiB
C
201 lines
6.2 KiB
C
// SPDX-FileCopyrightText: 2023 billow <billow.fun@gmail.com>
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// SPDX-License-Identifier: LGPL-3.0-only
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#ifndef _8051_IL_H_
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#define _8051_IL_H_
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#include <rz_types.h>
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#include <rz_il.h>
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#include <rz_analysis.h>
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typedef enum {
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I_UNDEFINED = 0,
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I_ACALL, /// Absolute Call
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I_ADD, /// Add Accumulator
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I_ADDC, /// Add Accumulator (With Carry)
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I_AJMP, /// Absolute Jump
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I_ANL, /// Bitwise AND
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I_CJNE, /// Compare and Jump if Not Equal
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I_CLR, /// Clear Register
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I_CPL, /// Complement Register
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I_DA, /// Decimal Adjust
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I_DEC, /// Decrement Register
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I_DIV, /// Divide Accumulator by B
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I_DJNZ, /// Decrement Register and Jump if Not Zero
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I_INC, /// Increment Register
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I_JB, /// Jump if Bit Set
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I_JBC, /// Jump if Bit Set and Clear Bit
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I_JC, /// Jump if Carry Set
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I_JMP, /// Jump to Address
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I_JNB, /// Jump if Bit Not Set
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I_JNC, /// Jump if Carry Not Set
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I_JNZ, /// Jump if Accumulator Not Zero
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I_JZ, /// Jump if Accumulator Zero
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I_LCALL, /// Long Call
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I_LJMP, /// Long Jump
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I_MOV, /// Move Memory
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I_MOVC, /// Move Code Memory
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I_MOVX, /// Move Extended Memory
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I_MUL, /// Multiply Accumulator by B
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I_NOP, /// No Operation
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I_ORL, /// Bitwise OR
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I_POP, /// Pop Value From Stack
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I_PUSH, /// Push Value Onto Stack
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I_RET, /// Return From Subroutine
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I_RETI, /// Return From Interrupt
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I_RL, /// Rotate Accumulator Left
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I_RLC, /// Rotate Accumulator Left Through Carry
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I_RR, /// Rotate Accumulator Right
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I_RRC, /// Rotate Accumulator Right Through Carry
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I_SETB, /// Set Bit
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I_SJMP, /// Short Jump
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I_SUBB, /// Subtract From Accumulator With Borrow
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I_SWAP, /// Swap Accumulator Nibbles
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I_XCH, /// Exchange Bytes
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I_XCHD, /// Exchange Digits
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I_XRL, /// Bitwise Exclusive OR
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} I8051OpInst;
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/// https://www.win.tue.nl/~aeb/comp/8051/set8051.html
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// clang-format off
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static const I8051OpInst i8051_inst_tbl[256] = {
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/* 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f */
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/* 0x00 */ I_NOP, I_AJMP, I_LJMP, I_RR, I_INC, I_INC, I_INC, I_INC, I_INC, I_INC, I_INC, I_INC, I_INC, I_INC, I_INC, I_INC,
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/* 0x10 */ I_JBC, I_ACALL,I_LCALL,I_RRC, I_DEC, I_DEC, I_DEC, I_DEC, I_DEC, I_DEC, I_DEC, I_DEC, I_DEC, I_DEC, I_DEC, I_DEC,
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/* 0x20 */ I_JB, I_AJMP, I_RET, I_RL, I_ADD, I_ADD, I_ADD, I_ADD, I_ADD, I_ADD, I_ADD, I_ADD, I_ADD, I_ADD, I_ADD, I_ADD,
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/* 0x30 */ I_JNB, I_ACALL,I_RETI, I_RLC, I_ADDC,I_ADDC,I_ADDC,I_ADDC,I_ADDC,I_ADDC,I_ADDC,I_ADDC,I_ADDC,I_ADDC,I_ADDC,I_ADDC,
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/* 0x40 */ I_JC, I_AJMP, I_ORL, I_ORL, I_ORL, I_ORL, I_ORL, I_ORL, I_ORL, I_ORL, I_ORL, I_ORL, I_ORL, I_ORL, I_ORL, I_ORL,
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/* 0x50 */ I_JNC, I_ACALL,I_ANL, I_ANL, I_ANL, I_ANL, I_ANL, I_ANL, I_ANL, I_ANL, I_ANL, I_ANL, I_ANL, I_ANL, I_ANL, I_ANL,
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/* 0x60 */ I_JZ, I_AJMP, I_XRL, I_XRL, I_XRL, I_XRL, I_XRL, I_XRL, I_XRL, I_XRL, I_XRL, I_XRL, I_XRL, I_XRL, I_XRL, I_XRL,
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/* 0x70 */ I_JNZ, I_ACALL,I_ORL, I_JMP, I_MOV, I_MOV, I_MOV, I_MOV, I_MOV, I_MOV, I_MOV, I_MOV, I_MOV, I_MOV, I_MOV, I_MOV,
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/* 0x80 */ I_SJMP,I_AJMP, I_ANL, I_MOVC,I_DIV, I_MOV, I_MOV, I_MOV, I_MOV, I_MOV, I_MOV, I_MOV, I_MOV, I_MOV, I_MOV, I_MOV,
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/* 0x90 */ I_MOV, I_ACALL,I_MOV, I_MOVC,I_SUBB,I_SUBB,I_SUBB,I_SUBB,I_SUBB,I_SUBB,I_SUBB,I_SUBB,I_SUBB,I_SUBB,I_SUBB,I_SUBB,
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/* 0xa0 */ I_ORL, I_AJMP, I_MOV, I_INC, I_MUL, 0, I_MOV, I_MOV, I_MOV, I_MOV, I_MOV, I_MOV, I_MOV, I_MOV, I_MOV, I_MOV,
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/* 0xb0 */ I_ANL, I_ACALL,I_CPL, I_CPL, I_CJNE,I_CJNE,I_CJNE,I_CJNE,I_CJNE,I_CJNE,I_CJNE,I_CJNE,I_CJNE,I_CJNE,I_CJNE,I_CJNE,
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/* 0xc0 */ I_PUSH,I_AJMP, I_CLR, I_CLR, I_SWAP,I_XCH, I_XCH, I_XCH, I_XCH, I_XCH, I_XCH, I_XCH, I_XCH, I_XCH, I_XCH, I_XCH,
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/* 0xd0 */ I_POP, I_ACALL,I_SETB, I_SETB,I_DA, I_DJNZ,I_XCHD,I_XCHD,I_DJNZ,I_DJNZ,I_DJNZ,I_DJNZ,I_DJNZ,I_DJNZ,I_DJNZ,I_DJNZ,
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/* 0xe0 */ I_MOVX,I_AJMP, I_MOVX, I_MOVX,I_CLR, I_MOV, I_MOV, I_MOV, I_MOV, I_MOV, I_MOV, I_MOV, I_MOV, I_MOV, I_MOV, I_MOV,
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/* 0xf0 */ I_MOVX,I_ACALL,I_MOVX, I_MOVX,I_CPL, I_MOV, I_MOV, I_MOV, I_MOV, I_MOV, I_MOV, I_MOV, I_MOV, I_MOV, I_MOV, I_MOV,
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};
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// clang-format on
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typedef enum {
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I8051_ADDRESSING_REGISTER = 0,
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I8051_ADDRESSING_DIRECT,
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I8051_ADDRESSING_INDIRECT,
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I8051_ADDRESSING_IMMEDIATE,
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I8051_ADDRESSING_IMMEDIATE16,
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I8051_ADDRESSING_RELATIVE,
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I8051_ADDRESSING_ABSOLUTE,
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I8051_ADDRESSING_LONG,
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I8051_ADDRESSING_INDEXED,
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I8051_ADDRESSING_BIT,
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} I8051AddressingMode;
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typedef enum {
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I8051_R0 = 0x00,
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I8051_R1 = 0x01,
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I8051_R2 = 0x02,
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I8051_R3 = 0x03,
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I8051_R4 = 0x04,
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I8051_R5 = 0x05,
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I8051_R6 = 0x06,
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I8051_R7 = 0x07,
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I8051_SP = 0x81,
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I8051_DPL = 0x82,
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I8051_DPH = 0x83,
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I8051_PCON = 0x87,
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I8051_TCON = 0x88,
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I8051_TMOD = 0x89,
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I8051_TL0 = 0x8A,
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I8051_TL1 = 0x8B,
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I8051_TH0 = 0x8C,
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I8051_TH1 = 0x8D,
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I8051_PC,
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I8051_PSW = 0xD0,
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I8051_Z = 0xD1,
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I8051_OV = 0xD2,
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I8051_RS0 = 0xD3,
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I8051_RS1 = 0xD4,
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I8051_N = 0xD5,
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I8051_AC = 0xD6,
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I8051_CY = 0xD7,
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I8051_ACC = 0xE0,
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I8051_B = 0xF0,
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I8051_IE = 0xA8,
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I8051_IP = 0xB8,
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I8051_P0 = 0x80,
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I8051_P1 = 0x90,
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I8051_P2 = 0xA0,
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I8051_P3 = 0xB0,
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I8051_SCON = 0x98,
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I8051_SBUF = 0x99,
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I8051_DPTR,
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} I8051Register;
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enum I8051_PSW_MASKS {
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PSWMASK_P = 0x01,
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PSWMASK_UNUSED = 0x02,
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PSWMASK_OV = 0x04,
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PSWMASK_RS0 = 0x08,
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PSWMASK_RS1 = 0x10,
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PSWMASK_F0 = 0x20,
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PSWMASK_AC = 0x40,
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PSWMASK_C = 0x80
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};
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typedef struct {
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RzIODesc *desc;
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ut32 addr;
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const char *name;
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} i8051_map_entry;
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typedef struct {
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const char *name;
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ut32 map_code;
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ut32 map_idata;
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ut32 map_sfr;
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ut32 map_xdata;
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ut32 map_pdata;
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} i8051_cpu_model;
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typedef struct {
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const i8051_cpu_model *cpu_curr_model;
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i8051_map_entry mem_map[3];
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} i8051_plugin_context;
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enum i8051_map_entry_type {
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I8051_IDATA = 0,
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I8051_SFR = 1,
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I8051_XDATA = 2,
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};
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struct i8051_op_t;
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typedef struct i8051_op_addressing_t {
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struct i8051_op_t *op;
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I8051AddressingMode mode;
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i8051_plugin_context *ctx;
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union {
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I8051Register reg;
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ut8 addr;
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ut16 addr16;
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struct i8051_op_addressing_t *indirect;
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} d;
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} I8051OpAddressing;
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typedef struct i8051_op_t {
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ut64 pc;
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ut8 opcode;
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ut8 len;
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I8051OpInst inst;
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ut8 argc;
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I8051OpAddressing **argv;
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} I8051Op;
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RZ_IPI I8051Op *rz_8051_op_parse(RZ_NONNULL RzAnalysis *analysis, RZ_NONNULL const ut8 *buf, int len, ut64 pc);
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RZ_IPI RzILOpEffect *rz_8051_il_op(RZ_NONNULL RzAnalysis *analysis, RZ_NONNULL const ut8 *buf, int len, ut64 pc);
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RZ_IPI RzAnalysisILConfig *rz_8051_il_config(RZ_NONNULL RzAnalysis *analysis);
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#endif //_8051_IL_H_
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