mirror of
https://github.com/yuzu-emu/unicorn
synced 2024-11-25 08:18:54 +00:00
177 lines
6.9 KiB
Java
177 lines
6.9 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()
|
|
{
|
|
byte[] d0 = toBytes(0x0000); // d0 data register
|
|
byte[] d1 = toBytes(0x0000); // d1 data register
|
|
byte[] d2 = toBytes(0x0000); // d2 data register
|
|
byte[] d3 = toBytes(0x0000); // d3 data register
|
|
byte[] d4 = toBytes(0x0000); // d4 data register
|
|
byte[] d5 = toBytes(0x0000); // d5 data register
|
|
byte[] d6 = toBytes(0x0000); // d6 data register
|
|
byte[] d7 = toBytes(0x0000); // d7 data register
|
|
|
|
byte[] a0 = toBytes(0x0000); // a0 address register
|
|
byte[] a1 = toBytes(0x0000); // a1 address register
|
|
byte[] a2 = toBytes(0x0000); // a2 address register
|
|
byte[] a3 = toBytes(0x0000); // a3 address register
|
|
byte[] a4 = toBytes(0x0000); // a4 address register
|
|
byte[] a5 = toBytes(0x0000); // a5 address register
|
|
byte[] a6 = toBytes(0x0000); // a6 address register
|
|
byte[] a7 = toBytes(0x0000); // a6 address register
|
|
|
|
byte[] pc = toBytes(0x0000); // program counter
|
|
byte[] sr = toBytes(0x0000); // 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 = u.reg_read(Unicorn.UC_M68K_REG_D0, 4);
|
|
d1 = u.reg_read(Unicorn.UC_M68K_REG_D1, 4);
|
|
d2 = u.reg_read(Unicorn.UC_M68K_REG_D2, 4);
|
|
d3 = u.reg_read(Unicorn.UC_M68K_REG_D3, 4);
|
|
d4 = u.reg_read(Unicorn.UC_M68K_REG_D4, 4);
|
|
d5 = u.reg_read(Unicorn.UC_M68K_REG_D5, 4);
|
|
d6 = u.reg_read(Unicorn.UC_M68K_REG_D6, 4);
|
|
d7 = u.reg_read(Unicorn.UC_M68K_REG_D7, 4);
|
|
|
|
a0 = u.reg_read(Unicorn.UC_M68K_REG_A0, 4);
|
|
a1 = u.reg_read(Unicorn.UC_M68K_REG_A1, 4);
|
|
a2 = u.reg_read(Unicorn.UC_M68K_REG_A2, 4);
|
|
a3 = u.reg_read(Unicorn.UC_M68K_REG_A3, 4);
|
|
a4 = u.reg_read(Unicorn.UC_M68K_REG_A4, 4);
|
|
a5 = u.reg_read(Unicorn.UC_M68K_REG_A5, 4);
|
|
a6 = u.reg_read(Unicorn.UC_M68K_REG_A6, 4);
|
|
a7 = u.reg_read(Unicorn.UC_M68K_REG_A7, 4);
|
|
|
|
pc = u.reg_read(Unicorn.UC_M68K_REG_PC, 4);
|
|
sr = u.reg_read(Unicorn.UC_M68K_REG_SR, 4);
|
|
|
|
System.out.print(String.format(">>> A0 = 0x%x\t\t>>> D0 = 0x%x\n", toInt(a0), toInt(d0)));
|
|
System.out.print(String.format(">>> A1 = 0x%x\t\t>>> D1 = 0x%x\n", toInt(a1), toInt(d1)));
|
|
System.out.print(String.format(">>> A2 = 0x%x\t\t>>> D2 = 0x%x\n", toInt(a2), toInt(d2)));
|
|
System.out.print(String.format(">>> A3 = 0x%x\t\t>>> D3 = 0x%x\n", toInt(a3), toInt(d3)));
|
|
System.out.print(String.format(">>> A4 = 0x%x\t\t>>> D4 = 0x%x\n", toInt(a4), toInt(d4)));
|
|
System.out.print(String.format(">>> A5 = 0x%x\t\t>>> D5 = 0x%x\n", toInt(a5), toInt(d5)));
|
|
System.out.print(String.format(">>> A6 = 0x%x\t\t>>> D6 = 0x%x\n", toInt(a6), toInt(d6)));
|
|
System.out.print(String.format(">>> A7 = 0x%x\t\t>>> D7 = 0x%x\n", toInt(a7), toInt(d7)));
|
|
System.out.print(String.format(">>> PC = 0x%x\n", toInt(pc)));
|
|
System.out.print(String.format(">>> SR = 0x%x\n", toInt(sr)));
|
|
|
|
u.close();
|
|
}
|
|
|
|
public static void main(String args[])
|
|
{
|
|
test_m68k();
|
|
}
|
|
}
|