Files
matar/tests/cpu/cpu-fixture.hh
Amneesh Singh 9397140473 get rid of memory.cc/.hh
also fix bus' shared pointer in cpu
TODO: put cpu in bus not the other way around

Signed-off-by: Amneesh Singh <natto@weirdnatto.in>
2024-06-14 05:42:09 +05:30

44 lines
1.0 KiB
C++

#include "cpu/cpu.hh"
using namespace matar;
class CpuFixture {
public:
CpuFixture()
: bus(std::shared_ptr<Bus>(
new Bus(std::array<uint8_t, Bus::BIOS_SIZE>(),
std::vector<uint8_t>(Header::HEADER_SIZE))))
, cpu(bus) {}
protected:
void exec(arm::InstructionData data, Condition condition = Condition::AL) {
arm::Instruction instruction(condition, data);
instruction.exec(cpu);
}
void exec(thumb::InstructionData data) {
thumb::Instruction instruction(data);
instruction.exec(cpu);
}
void reset(uint32_t value = 0) { setr(15, value + 8); }
uint32_t getr(uint8_t r) { return getr_(r, cpu); }
void setr(uint8_t r, uint32_t value) { setr_(r, value, cpu); }
Psr psr(bool spsr = false);
void set_psr(Psr psr, bool spsr = false);
std::shared_ptr<Bus> bus;
Cpu cpu;
private:
// hack to get a register
uint32_t getr_(uint8_t r, Cpu& cpu);
// hack to set a register
void setr_(uint8_t r, uint32_t value, Cpu& cpu);
};