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UserspaceEmulator: Add 8/16 bit memory read/write operations

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This commit is contained in:
Andreas Kling 2020-07-10 17:17:06 +02:00
parent f8b38eabeb
commit 6f27770cea
5 changed files with 109 additions and 0 deletions
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30
DevTools/UserspaceEmulator/SoftCPU.cpp
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@ -78,6 +78,22 @@ void SoftCPU::dump() const
printf("o=%u s=%u z=%u a=%u p=%u c=%u\n", of(), sf(), zf(), af(), pf(), cf());
}
u8 SoftCPU::read_memory8(X86::LogicalAddress address)
{
ASSERT(address.selector() == 0x20);
auto value = m_emulator.mmu().read8(address.offset());
printf("\033[36;1mread_memory8: @%08x -> %02x\033[0m\n", address.offset(), value);
return value;
}
u16 SoftCPU::read_memory16(X86::LogicalAddress address)
{
ASSERT(address.selector() == 0x20);
auto value = m_emulator.mmu().read16(address.offset());
printf("\033[36;1mread_memory16: @%08x -> %04x\033[0m\n", address.offset(), value);
return value;
}
u32 SoftCPU::read_memory32(X86::LogicalAddress address)
{
ASSERT(address.selector() == 0x20);
@ -86,6 +102,20 @@ u32 SoftCPU::read_memory32(X86::LogicalAddress address)
return value;
}
void SoftCPU::write_memory8(X86::LogicalAddress address, u8 value)
{
ASSERT(address.selector() == 0x20);
printf("\033[35;1mwrite_memory8: @%08x <- %02x\033[0m\n", address.offset(), value);
m_emulator.mmu().write8(address.offset(), value);
}
void SoftCPU::write_memory16(X86::LogicalAddress address, u16 value)
{
ASSERT(address.selector() == 0x20);
printf("\033[35;1mwrite_memory16: @%08x <- %04x\033[0m\n", address.offset(), value);
m_emulator.mmu().write16(address.offset(), value);
}
void SoftCPU::write_memory32(X86::LogicalAddress address, u32 value)
{
ASSERT(address.selector() == 0x20);