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fuzz_arm: Add offset thumb instruction test

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Test thumb instructions when (PC % 4) == 2
This commit is contained in:
merry 2022-03-20 20:55:24 +00:00
parent c78b82dd2c
commit 7b69c87ffc
1 changed files with 31 additions and 0 deletions
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31
tests/A32/fuzz_arm.cpp
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@ -535,6 +535,37 @@ TEST_CASE("A32: Single random thumb instruction", "[thumb]") {
}
}
TEST_CASE("A32: Single random thumb instruction (offset)", "[thumb]") {
ThumbTestEnv jit_env{};
ThumbTestEnv uni_env{};
Dynarmic::A32::Jit jit{GetUserConfig(jit_env)};
A32Unicorn<ThumbTestEnv> uni{uni_env};
A32Unicorn<ThumbTestEnv>::RegisterArray regs;
A32Unicorn<ThumbTestEnv>::ExtRegArray ext_reg;
std::vector<u16> instructions;
for (size_t iteration = 0; iteration < 100000; ++iteration) {
std::generate(regs.begin(), regs.end(), [] { return RandInt<u32>(0, ~u32(0)); });
std::generate(ext_reg.begin(), ext_reg.end(), [] { return RandInt<u32>(0, ~u32(0)); });
instructions.clear();
instructions.push_back(0xbf00); // NOP
const std::vector<u16> inst = GenRandomThumbInst(0, true);
instructions.insert(instructions.end(), inst.begin(), inst.end());
const u32 start_address = 100;
const u32 cpsr = (RandInt<u32>(0, 0xF) << 28) | 0x1F0;
const u32 fpcr = RandomFpcr();
INFO("Instruction: 0x" << std::hex << inst[0]);
regs[15] = start_address;
RunTestInstance(jit, uni, jit_env, uni_env, regs, ext_reg, instructions, cpsr, fpcr, 2);
}
}
TEST_CASE("A32: Small random thumb block", "[thumb]") {
ThumbTestEnv jit_env{};
ThumbTestEnv uni_env{};