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Add further test for arm system mode transition

This commit is contained in:
lazymio 2022-01-05 19:38:02 +01:00
parent 6fabf30537
commit 3f64491fda
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1 changed files with 13 additions and 1 deletions
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14
tests/unit/test_arm.c
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@ -325,6 +325,8 @@ static void test_arm_usr32_to_svc32()
OK(uc_reg_write(uc, UC_ARM_REG_CPSR, &r_cpsr));
r_sp = 0x12345678;
OK(uc_reg_write(uc, UC_ARM_REG_SP, &r_sp));
r_lr = 0x00102220;
OK(uc_reg_write(uc, UC_ARM_REG_LR, &r_lr));
r_cpsr = 0x4000009b; // UND32
OK(uc_reg_write(uc, UC_ARM_REG_CPSR, &r_cpsr));
@ -332,18 +334,28 @@ static void test_arm_usr32_to_svc32()
OK(uc_reg_write(uc, UC_ARM_REG_SPSR, &r_spsr));
r_sp = 0xDEAD0000;
OK(uc_reg_write(uc, UC_ARM_REG_SP, &r_sp));
r_lr = code_start + 8;
r_lr = 0x00509998;
OK(uc_reg_write(uc, UC_ARM_REG_LR, &r_lr));
OK(uc_reg_read(uc, UC_ARM_REG_CPSR, &r_cpsr));
TEST_CHECK((r_cpsr & ((1 << 4) - 1)) == 0xb); // We are in UND32
r_cpsr = 0x40000090; // USR32
OK(uc_reg_write(uc, UC_ARM_REG_CPSR, &r_cpsr));
r_sp = 0x0010000;
OK(uc_reg_write(uc, UC_ARM_REG_R13, &r_sp));
r_lr = 0x0001234;
OK(uc_reg_write(uc, UC_ARM_REG_LR, &r_lr));
OK(uc_reg_read(uc, UC_ARM_REG_CPSR, &r_cpsr));
TEST_CHECK((r_cpsr & ((1 << 4) - 1)) == 0); // We are in USR32
r_cpsr = 0x40000093; // SVC32
OK(uc_reg_write(uc, UC_ARM_REG_CPSR, &r_cpsr));
OK(uc_reg_read(uc, UC_ARM_REG_CPSR, &r_cpsr));
OK(uc_reg_read(uc, UC_ARM_REG_SP, &r_sp));
TEST_CHECK((r_cpsr & ((1 << 4) - 1)) == 3); // We are in SVC32
TEST_CHECK(r_sp == 0x12345678);
OK(uc_close(uc));