189 lines
7.1 KiB
Java
189 lines
7.1 KiB
Java
/*
|
|
|
|
Java bindings for the Unicorn Emulator Engine
|
|
|
|
Copyright(c) 2015 Chris Eagle
|
|
|
|
This program is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU General Public License
|
|
version 2 as published by the Free Software Foundation.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
|
|
*/
|
|
|
|
/* Unicorn Emulator Engine */
|
|
/* By Loi Anh Tuan, 2015 */
|
|
|
|
/* Sample code to demonstrate how to emulate m68k code */
|
|
|
|
import unicorn.*;
|
|
|
|
public class Sample_m68k {
|
|
|
|
// code to be emulated
|
|
public static final byte[] M68K_CODE = { 118, -19 }; // movq #-19, %d3
|
|
|
|
// memory address where emulation starts
|
|
public static final int ADDRESS = 0x10000;
|
|
|
|
public static final long toInt(byte val[]) {
|
|
long res = 0;
|
|
for (int i = 0; i < val.length; i++) {
|
|
long v = val[i] & 0xff;
|
|
res = res + (v << (i * 8));
|
|
}
|
|
return res;
|
|
}
|
|
|
|
public static final byte[] toBytes(long val) {
|
|
byte[] res = new byte[8];
|
|
for (int i = 0; i < 8; i++) {
|
|
res[i] = (byte) (val & 0xff);
|
|
val >>>= 8;
|
|
}
|
|
return res;
|
|
}
|
|
|
|
// callback for tracing basic blocks
|
|
private static class MyBlockHook implements BlockHook {
|
|
public void hook(Unicorn u, long address, int size, Object user_data) {
|
|
System.out.print(String.format(
|
|
">>> Tracing basic block at 0x%x, block size = 0x%x\n", address,
|
|
size));
|
|
}
|
|
}
|
|
|
|
// callback for tracing instruction
|
|
private static class MyCodeHook implements CodeHook {
|
|
public void hook(Unicorn u, long address, int size, Object user_data) {
|
|
System.out.print(String.format(
|
|
">>> Tracing instruction at 0x%x, instruction size = 0x%x\n",
|
|
address, size));
|
|
}
|
|
}
|
|
|
|
static void test_m68k() {
|
|
Long d0 = 0x0000L; // d0 data register
|
|
Long d1 = 0x0000L; // d1 data register
|
|
Long d2 = 0x0000L; // d2 data register
|
|
Long d3 = 0x0000L; // d3 data register
|
|
Long d4 = 0x0000L; // d4 data register
|
|
Long d5 = 0x0000L; // d5 data register
|
|
Long d6 = 0x0000L; // d6 data register
|
|
Long d7 = 0x0000L; // d7 data register
|
|
|
|
Long a0 = 0x0000L; // a0 address register
|
|
Long a1 = 0x0000L; // a1 address register
|
|
Long a2 = 0x0000L; // a2 address register
|
|
Long a3 = 0x0000L; // a3 address register
|
|
Long a4 = 0x0000L; // a4 address register
|
|
Long a5 = 0x0000L; // a5 address register
|
|
Long a6 = 0x0000L; // a6 address register
|
|
Long a7 = 0x0000L; // a6 address register
|
|
|
|
Long pc = 0x0000L; // program counter
|
|
Long sr = 0x0000L; // status register
|
|
|
|
System.out.print("Emulate M68K code\n");
|
|
|
|
// Initialize emulator in M68K mode
|
|
Unicorn u =
|
|
new Unicorn(Unicorn.UC_ARCH_M68K, Unicorn.UC_MODE_BIG_ENDIAN);
|
|
|
|
// map 2MB memory for this emulation
|
|
u.mem_map(ADDRESS, 2 * 1024 * 1024, Unicorn.UC_PROT_ALL);
|
|
|
|
// write machine code to be emulated to memory
|
|
u.mem_write(ADDRESS, M68K_CODE);
|
|
|
|
// initialize machine registers
|
|
u.reg_write(Unicorn.UC_M68K_REG_D0, d0);
|
|
u.reg_write(Unicorn.UC_M68K_REG_D1, d1);
|
|
u.reg_write(Unicorn.UC_M68K_REG_D2, d2);
|
|
u.reg_write(Unicorn.UC_M68K_REG_D3, d3);
|
|
u.reg_write(Unicorn.UC_M68K_REG_D4, d4);
|
|
u.reg_write(Unicorn.UC_M68K_REG_D5, d5);
|
|
u.reg_write(Unicorn.UC_M68K_REG_D6, d6);
|
|
u.reg_write(Unicorn.UC_M68K_REG_D7, d7);
|
|
|
|
u.reg_write(Unicorn.UC_M68K_REG_A0, a0);
|
|
u.reg_write(Unicorn.UC_M68K_REG_A1, a1);
|
|
u.reg_write(Unicorn.UC_M68K_REG_A2, a2);
|
|
u.reg_write(Unicorn.UC_M68K_REG_A3, a3);
|
|
u.reg_write(Unicorn.UC_M68K_REG_A4, a4);
|
|
u.reg_write(Unicorn.UC_M68K_REG_A5, a5);
|
|
u.reg_write(Unicorn.UC_M68K_REG_A6, a6);
|
|
u.reg_write(Unicorn.UC_M68K_REG_A7, a7);
|
|
|
|
u.reg_write(Unicorn.UC_M68K_REG_PC, pc);
|
|
u.reg_write(Unicorn.UC_M68K_REG_SR, sr);
|
|
|
|
// tracing all basic blocks with customized callback
|
|
u.hook_add(new MyBlockHook(), 1, 0, null);
|
|
|
|
// tracing all instruction
|
|
u.hook_add(new MyCodeHook(), 1, 0, null);
|
|
|
|
// emulate machine code in infinite time (last param = 0), or when
|
|
// finishing all the code.
|
|
u.emu_start(ADDRESS, ADDRESS + M68K_CODE.length, 0, 0);
|
|
|
|
// now print out some registers
|
|
System.out.print(">>> Emulation done. Below is the CPU context\n");
|
|
|
|
d0 = (Long) u.reg_read(Unicorn.UC_M68K_REG_D0);
|
|
d1 = (Long) u.reg_read(Unicorn.UC_M68K_REG_D1);
|
|
d2 = (Long) u.reg_read(Unicorn.UC_M68K_REG_D2);
|
|
d3 = (Long) u.reg_read(Unicorn.UC_M68K_REG_D3);
|
|
d4 = (Long) u.reg_read(Unicorn.UC_M68K_REG_D4);
|
|
d5 = (Long) u.reg_read(Unicorn.UC_M68K_REG_D5);
|
|
d6 = (Long) u.reg_read(Unicorn.UC_M68K_REG_D6);
|
|
d7 = (Long) u.reg_read(Unicorn.UC_M68K_REG_D7);
|
|
|
|
a0 = (Long) u.reg_read(Unicorn.UC_M68K_REG_A0);
|
|
a1 = (Long) u.reg_read(Unicorn.UC_M68K_REG_A1);
|
|
a2 = (Long) u.reg_read(Unicorn.UC_M68K_REG_A2);
|
|
a3 = (Long) u.reg_read(Unicorn.UC_M68K_REG_A3);
|
|
a4 = (Long) u.reg_read(Unicorn.UC_M68K_REG_A4);
|
|
a5 = (Long) u.reg_read(Unicorn.UC_M68K_REG_A5);
|
|
a6 = (Long) u.reg_read(Unicorn.UC_M68K_REG_A6);
|
|
a7 = (Long) u.reg_read(Unicorn.UC_M68K_REG_A7);
|
|
|
|
pc = (Long) u.reg_read(Unicorn.UC_M68K_REG_PC);
|
|
sr = (Long) u.reg_read(Unicorn.UC_M68K_REG_SR);
|
|
|
|
System.out.print(String.format(">>> A0 = 0x%x\t\t>>> D0 = 0x%x\n",
|
|
a0.intValue(), d0.intValue()));
|
|
System.out.print(String.format(">>> A1 = 0x%x\t\t>>> D1 = 0x%x\n",
|
|
a1.intValue(), d1.intValue()));
|
|
System.out.print(String.format(">>> A2 = 0x%x\t\t>>> D2 = 0x%x\n",
|
|
a2.intValue(), d2.intValue()));
|
|
System.out.print(String.format(">>> A3 = 0x%x\t\t>>> D3 = 0x%x\n",
|
|
a3.intValue(), d3.intValue()));
|
|
System.out.print(String.format(">>> A4 = 0x%x\t\t>>> D4 = 0x%x\n",
|
|
a4.intValue(), d4.intValue()));
|
|
System.out.print(String.format(">>> A5 = 0x%x\t\t>>> D5 = 0x%x\n",
|
|
a5.intValue(), d5.intValue()));
|
|
System.out.print(String.format(">>> A6 = 0x%x\t\t>>> D6 = 0x%x\n",
|
|
a6.intValue(), d6.intValue()));
|
|
System.out.print(String.format(">>> A7 = 0x%x\t\t>>> D7 = 0x%x\n",
|
|
a7.intValue(), d7.intValue()));
|
|
System.out.print(String.format(">>> PC = 0x%x\n", pc.intValue()));
|
|
System.out.print(String.format(">>> SR = 0x%x\n", sr.intValue()));
|
|
|
|
u.close();
|
|
}
|
|
|
|
public static void main(String args[]) {
|
|
test_m68k();
|
|
}
|
|
}
|