160 lines
5.6 KiB
Java
160 lines
5.6 KiB
Java
/*
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Java bindings for the Unicorn Emulator Engine
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Copyright(c) 2015 Chris Eagle
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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version 2 as published by the Free Software Foundation.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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/* Unicorn Emulator Engine */
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/* By Loi Anh Tuan, 2015 */
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/* Sample code to demonstrate how to emulate m68k code */
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package samples;
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import unicorn.*;
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public class Sample_m68k implements UnicornConst, M68kConst {
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// code to be emulated
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public static final byte[] M68K_CODE = { 118, -19 }; // movq #-19, %d3
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// memory address where emulation starts
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public static final int ADDRESS = 0x10000;
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// callback for tracing basic blocks
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private static final BlockHook hook_block =
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(uc, address, size, user_data) -> {
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System.out.format(
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">>> Tracing basic block at 0x%x, block size = 0x%x\n",
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address, size);
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};
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// callback for tracing instructions
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private static final CodeHook hook_code =
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(uc, address, size, user_data) -> {
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System.out.format(
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">>> Tracing instruction at 0x%x, instruction size = 0x%x\n",
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address, size);
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};
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public static void test_m68k() {
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long d0 = 0x0000L; // d0 data register
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long d1 = 0x0000L; // d1 data register
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long d2 = 0x0000L; // d2 data register
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long d3 = 0x0000L; // d3 data register
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long d4 = 0x0000L; // d4 data register
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long d5 = 0x0000L; // d5 data register
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long d6 = 0x0000L; // d6 data register
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long d7 = 0x0000L; // d7 data register
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long a0 = 0x0000L; // a0 address register
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long a1 = 0x0000L; // a1 address register
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long a2 = 0x0000L; // a2 address register
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long a3 = 0x0000L; // a3 address register
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long a4 = 0x0000L; // a4 address register
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long a5 = 0x0000L; // a5 address register
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long a6 = 0x0000L; // a6 address register
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long a7 = 0x0000L; // a6 address register
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long pc = 0x0000L; // program counter
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long sr = 0x0000L; // status register
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System.out.print("Emulate M68K code\n");
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// Initialize emulator in M68K mode
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Unicorn u = new Unicorn(UC_ARCH_M68K, UC_MODE_BIG_ENDIAN);
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// map 2MB memory for this emulation
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u.mem_map(ADDRESS, 2 * 1024 * 1024, UC_PROT_ALL);
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// write machine code to be emulated to memory
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u.mem_write(ADDRESS, M68K_CODE);
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// initialize machine registers
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u.reg_write(UC_M68K_REG_D0, d0);
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u.reg_write(UC_M68K_REG_D1, d1);
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u.reg_write(UC_M68K_REG_D2, d2);
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u.reg_write(UC_M68K_REG_D3, d3);
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u.reg_write(UC_M68K_REG_D4, d4);
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u.reg_write(UC_M68K_REG_D5, d5);
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u.reg_write(UC_M68K_REG_D6, d6);
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u.reg_write(UC_M68K_REG_D7, d7);
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u.reg_write(UC_M68K_REG_A0, a0);
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u.reg_write(UC_M68K_REG_A1, a1);
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u.reg_write(UC_M68K_REG_A2, a2);
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u.reg_write(UC_M68K_REG_A3, a3);
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u.reg_write(UC_M68K_REG_A4, a4);
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u.reg_write(UC_M68K_REG_A5, a5);
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u.reg_write(UC_M68K_REG_A6, a6);
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u.reg_write(UC_M68K_REG_A7, a7);
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u.reg_write(UC_M68K_REG_PC, pc);
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u.reg_write(UC_M68K_REG_SR, sr);
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// tracing all basic blocks with customized callback
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u.hook_add(hook_block, 1, 0, null);
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// tracing all instruction
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u.hook_add(hook_code, 1, 0, null);
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// emulate machine code in infinite time (last param = 0), or when
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// finishing all the code.
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u.emu_start(ADDRESS, ADDRESS + M68K_CODE.length, 0, 0);
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// now print out some registers
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System.out.print(">>> Emulation done. Below is the CPU context\n");
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d0 = u.reg_read(UC_M68K_REG_D0);
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d1 = u.reg_read(UC_M68K_REG_D1);
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d2 = u.reg_read(UC_M68K_REG_D2);
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d3 = u.reg_read(UC_M68K_REG_D3);
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d4 = u.reg_read(UC_M68K_REG_D4);
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d5 = u.reg_read(UC_M68K_REG_D5);
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d6 = u.reg_read(UC_M68K_REG_D6);
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d7 = u.reg_read(UC_M68K_REG_D7);
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a0 = u.reg_read(UC_M68K_REG_A0);
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a1 = u.reg_read(UC_M68K_REG_A1);
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a2 = u.reg_read(UC_M68K_REG_A2);
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a3 = u.reg_read(UC_M68K_REG_A3);
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a4 = u.reg_read(UC_M68K_REG_A4);
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a5 = u.reg_read(UC_M68K_REG_A5);
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a6 = u.reg_read(UC_M68K_REG_A6);
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a7 = u.reg_read(UC_M68K_REG_A7);
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pc = u.reg_read(UC_M68K_REG_PC);
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sr = u.reg_read(UC_M68K_REG_SR);
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System.out.format(">>> A0 = 0x%x\t\t>>> D0 = 0x%x\n", a0, d0);
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System.out.format(">>> A1 = 0x%x\t\t>>> D1 = 0x%x\n", a1, d1);
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System.out.format(">>> A2 = 0x%x\t\t>>> D2 = 0x%x\n", a2, d2);
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System.out.format(">>> A3 = 0x%x\t\t>>> D3 = 0x%x\n", a3, d3);
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System.out.format(">>> A4 = 0x%x\t\t>>> D4 = 0x%x\n", a4, d4);
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System.out.format(">>> A5 = 0x%x\t\t>>> D5 = 0x%x\n", a5, d5);
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System.out.format(">>> A6 = 0x%x\t\t>>> D6 = 0x%x\n", a6, d6);
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System.out.format(">>> A7 = 0x%x\t\t>>> D7 = 0x%x\n", a7, d7);
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System.out.format(">>> PC = 0x%x\n", pc);
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System.out.format(">>> SR = 0x%x\n", sr);
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}
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public static void main(String args[]) {
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test_m68k();
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}
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}
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