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UserspaceEmulator: Move SimpleRegion to its own files

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This commit is contained in:
Andreas Kling 2020-07-13 11:21:41 +02:00
parent 4d3787ae33
commit 3d42b85969
4 changed files with 133 additions and 56 deletions
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56
DevTools/UserspaceEmulator/Emulator.cpp
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@ -25,6 +25,7 @@
*/
#include "Emulator.h"
#include "SimpleRegion.h"
#include "SoftCPU.h"
#include <AK/LexicalPath.h>
#include <AK/LogStream.h>
@ -43,61 +44,6 @@ namespace UserspaceEmulator {
static constexpr u32 stack_location = 0x10000000;
static constexpr size_t stack_size = 64 * KB;
class SimpleRegion final : public SoftMMU::Region {
public:
SimpleRegion(u32 base, u32 size)
: Region(base, size)
{
m_data = (u8*)calloc(1, size);
}
~SimpleRegion()
{
free(m_data);
}
virtual u8 read8(u32 offset) override
{
ASSERT(offset < size());
return *reinterpret_cast<const u8*>(m_data + offset);
}
virtual u16 read16(u32 offset) override
{
ASSERT(offset + 1 < size());
return *reinterpret_cast<const u16*>(m_data + offset);
}
virtual u32 read32(u32 offset) override
{
ASSERT(offset + 3 < size());
return *reinterpret_cast<const u32*>(m_data + offset);
}
virtual void write8(u32 offset, u8 value) override
{
ASSERT(offset < size());
*reinterpret_cast<u8*>(m_data + offset) = value;
}
virtual void write16(u32 offset, u16 value) override
{
ASSERT(offset + 1 < size());
*reinterpret_cast<u16*>(m_data + offset) = value;
}
virtual void write32(u32 offset, u32 value) override
{
ASSERT(offset + 3 < size());
*reinterpret_cast<u32*>(m_data + offset) = value;
}
u8* data() { return m_data; }
private:
u8* m_data { nullptr };
};
Emulator::Emulator(const String& executable_path, NonnullRefPtr<ELF::Loader> elf)
: m_elf(move(elf))
, m_cpu(*this)