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Fix #1500

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This commit is contained in:
lazymio
2021-12-23 21:46:27 +01:00
parent ef6f8a2427
commit 4f73d75ea8
2 changed files with 41 additions and 1 deletions
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38
tests/unit/test_arm.c
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@ -308,6 +308,43 @@ static void test_arm_und32_to_svc32()
OK(uc_close(uc));
}
static void test_arm_usr32_to_svc32()
{
uc_engine *uc;
int r_cpsr, r_sp, r_spsr, r_lr;
OK(uc_open(UC_ARCH_ARM, UC_MODE_ARM, &uc));
OK(uc_ctl_set_cpu_model(uc, UC_CPU_ARM_CORTEX_A9));
// https://www.keil.com/pack/doc/CMSIS/Core_A/html/group__CMSIS__CPSR__M.html
r_cpsr = 0x40000093; // 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_cpsr = 0x4000009b; // UND32
OK(uc_reg_write(uc, UC_ARM_REG_CPSR, &r_cpsr));
r_spsr = 0x40000093; // Save previous CPSR
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;
OK(uc_reg_write(uc, UC_ARM_REG_LR, &r_lr));
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_cpsr = 0x40000093; // SVC32
OK(uc_reg_write(uc, UC_ARM_REG_CPSR, &r_cpsr));
OK(uc_reg_read(uc, UC_ARM_REG_SP, &r_sp));
TEST_CHECK(r_sp == 0x12345678);
OK(uc_close(uc));
}
TEST_LIST = {{"test_arm_nop", test_arm_nop},
{"test_arm_thumb_sub", test_arm_thumb_sub},
{"test_armeb_sub", test_armeb_sub},
@ -317,4 +354,5 @@ TEST_LIST = {{"test_arm_nop", test_arm_nop},
{"test_arm_m_control", test_arm_m_control},
{"test_arm_m_exc_return", test_arm_m_exc_return},
{"test_arm_und32_to_svc32", test_arm_und32_to_svc32},
{"test_arm_usr32_to_svc32", test_arm_usr32_to_svc32},
{NULL, NULL}};