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Write some code to test out ARM64 CP register handling.

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This commit is contained in:
Robert Xiao
2023-05-13 21:59:05 -07:00
parent 910bb572d3
commit 3739c7e3e0
4 changed files with 71 additions and 0 deletions
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58
bindings/java/tests/RegTests.java
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@@ -1,12 +1,14 @@
package tests;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotEquals;
import static org.junit.Assert.assertThrows;
import java.math.BigInteger;
import org.junit.Test;
import unicorn.Arm64_CP;
import unicorn.Unicorn;
import unicorn.UnicornException;
import unicorn.X86_Float80;
@@ -145,4 +147,60 @@ public class RegTests {
uc.close();
}
@Test
public void testArm64EnablePAC() {
// paciza x1
final byte[] ARM64_CODE =
{ (byte) 0xe1, 0x23, (byte) 0xc1, (byte) 0xda };
long ADDRESS = 0x100000;
Unicorn uc = new Unicorn(Unicorn.UC_ARCH_ARM64, Unicorn.UC_MODE_ARM);
uc.ctl_set_cpu_model(Unicorn.UC_CPU_ARM64_MAX);
uc.mem_map(ADDRESS, 2 * 1024 * 1024, Unicorn.UC_PROT_ALL);
uc.mem_write(ADDRESS, ARM64_CODE);
Arm64_CP sctlr_el3 = new Arm64_CP(1, 1, 3, 6, 0);
sctlr_el3.val =
(Long) uc.reg_read(Unicorn.UC_ARM64_REG_CP_REG, sctlr_el3);
// NS | RW | API
sctlr_el3.val |= 1L | (1L << 10) | (1L << 17);
uc.reg_write(Unicorn.UC_ARM64_REG_CP_REG, sctlr_el3);
sctlr_el3.val =
(Long) uc.reg_read(Unicorn.UC_ARM64_REG_CP_REG, sctlr_el3);
Arm64_CP sctlr_el1 = new Arm64_CP(1, 0, 3, 0, 0);
sctlr_el1.val =
(Long) uc.reg_read(Unicorn.UC_ARM64_REG_CP_REG, sctlr_el1);
// EnIA | EnIB
sctlr_el1.val |= (1L << 31) | (1L << 30) | (1L << 27) | (1L << 13);
uc.reg_write(Unicorn.UC_ARM64_REG_CP_REG, sctlr_el1);
sctlr_el1.val =
(Long) uc.reg_read(Unicorn.UC_ARM64_REG_CP_REG, sctlr_el1);
Arm64_CP hcr_el2 = new Arm64_CP(1, 1, 3, 4, 0);
hcr_el2.val =
(Long) uc.reg_read(Unicorn.UC_ARM64_REG_CP_REG, hcr_el2);
// API
hcr_el2.val |= (1L << 41);
uc.reg_write(Unicorn.UC_ARM64_REG_CP_REG, hcr_el2);
Arm64_CP apiakeylo_el1 = new Arm64_CP(2, 1, 3, 0, 0);
apiakeylo_el1.val = 0x4141424243434444L;
uc.reg_write(Unicorn.UC_ARM64_REG_CP_REG, apiakeylo_el1);
Arm64_CP apiakeyhi_el1 = new Arm64_CP(2, 1, 3, 0, 1);
apiakeyhi_el1.val = 0x1234abcd4444aaaaL;
uc.reg_write(Unicorn.UC_ARM64_REG_CP_REG, apiakeyhi_el1);
uc.reg_write(Unicorn.UC_ARM64_REG_X1, 0x0000bbbbccccddddL);
uc.emu_start(ADDRESS, ADDRESS + ARM64_CODE.length, 0, 0);
assertNotEquals("X1 should be signed", 0x0000bbbbccccddddL,
uc.reg_read(Unicorn.UC_ARM64_REG_X1));
assertEquals("X1 low bits should be unchanged", 0x0000bbbbccccddddL,
uc.reg_read(Unicorn.UC_ARM64_REG_X1) & 0xffffffffffffL);
uc.close();
}
}