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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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40
DevTools/UserspaceEmulator/SoftMMU.cpp
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@ -44,6 +44,26 @@ void SoftMMU::add_region(NonnullOwnPtr<Region> region)
m_regions.append(move(region));
}
u8 SoftMMU::read8(u32 address)
{
auto* region = find_region(address);
if (!region) {
TODO();
}
return region->read8(address - region->base());
}
u16 SoftMMU::read16(u32 address)
{
auto* region = find_region(address);
if (!region) {
TODO();
}
return region->read16(address - region->base());
}
u32 SoftMMU::read32(u32 address)
{
auto* region = find_region(address);
@ -54,6 +74,26 @@ u32 SoftMMU::read32(u32 address)
return region->read32(address - region->base());
}
void SoftMMU::write8(u32 address, u8 value)
{
auto* region = find_region(address);
if (!region) {
TODO();
}
region->write8(address - region->base(), value);
}
void SoftMMU::write16(u32 address, u16 value)
{
auto* region = find_region(address);
if (!region) {
TODO();
}
region->write16(address - region->base(), value);
}
void SoftMMU::write32(u32 address, u32 value)
{
auto* region = find_region(address);