3501050548
Currently working: - Connect/Disconnect, Read CPU info - CMM Script generation and T32 startup via cmake (make runt32) - Read/Write Register, Read Program Pointer - Read/Write Memory - Single Breakpoint - Setting Memory Breakpoint TODO: - Fix mock aspect for T32_GetRam. - Fix Thumb2 bit in function addresses from ELFReader - Evaluate memory breakpoint hit
60 lines
1.5 KiB
C++
60 lines
1.5 KiB
C++
#include "T32ArmCPU.hpp"
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#include <t32.h>
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#include <iostream>
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namespace fail {
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static const uint64_t lower = 0x00000000ffffffff;
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regdata_t T32ArmCPU::getRegisterContent(Register* reg) const
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{
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// T32_ReadRegister wants a mask of bits representig the registers to read:
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// e.g., reading R1 and R4 and R63
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// mask1
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// 0000 0000 0000 0000 0001 0010 -> R1/R4
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// mask2
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// 1000 0000 0000 0000 0000 0000 -> R63
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uint64_t mask = (1 << reg->getIndex());
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if(mask){
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if( T32_ReadRegister(static_cast<dword>(mask & lower ), static_cast<dword>(mask >> 32), m_regbuffer) == 0 ){
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// No error, return value.
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return m_regbuffer[reg->getIndex()];
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} else {
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/// TODO Error handling!
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std::cout << "could not read register :(" << std::endl;
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}
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}
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return 0; // we should not come here.
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}
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void T32ArmCPU::setRegisterContent(Register* reg, regdata_t value)
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{
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uint64_t mask = (1 << reg->getIndex());
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// set value to be set by T32:
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m_regbuffer[reg->getIndex()] = value;
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if(mask){
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if( T32_WriteRegister(static_cast<dword>(mask & lower), static_cast<dword>(mask >> 32), m_regbuffer) == 0 ){
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// No error, return value.
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return;
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} else {
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/// TODO Error handling!
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std::cout << "could not write register :(" << std::endl;
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}
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}
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}
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address_t T32ArmCPU::getInstructionPointer() const
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{
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// TODO: programpointer is only valid when Emulation is stopped! -> T32_GetState)
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address_t programpointer;
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T32_ReadPP( &programpointer );
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return programpointer;
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}
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} // end-of-namespace: fail
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