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[Kernel] More threading work

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wheremyfoodat 2022-09-20 01:50:32 +03:00
parent 11d8a43bd8
commit 1ac9417d50
2 changed files with 22 additions and 6 deletions
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6
include/kernel/kernel_types.hpp
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@ -8,12 +8,16 @@ namespace SVCResult {
Success = 0,
Failure = 0xFFFFFFFF,
ObjectNotFound = 0xD88007FA,
// Different calls return a different value
// Different calls return a different value for these ones
InvalidEnumValue = 0xD8E007ED,
InvalidEnumValueAlt = 0xD8E093ED,
BadHandle = 0xD8E007F7,
BadHandleAlt = 0xD9001BF7,
BadThreadPriority = 0xE0E01BFD,
PortNameTooLong = 0xE0E0181E,
};
}

22
src/core/kernel/address_arbiter.cpp
View file

@ -34,7 +34,7 @@ void Kernel::arbitrateAddress() {
const Handle handle = regs[0];
const u32 address = regs[1];
const u32 type = regs[2];
const u32 value = regs[3];
const s32 value = regs[3];
const s64 ns = s64(u64(regs[4]) | (u64(regs[5]) << 32));
printf("ArbitrateAddress(Handle = %X, address = %08X, type = %s, value = %d, ns = %lld)\n", handle, address,
@ -46,13 +46,25 @@ void Kernel::arbitrateAddress() {
return;
}
if (value > 4) {
Helpers::panic("ArbitrateAddress: invalid arbitration type");
if (address & 3) {
Helpers::panic("ArbitrateAddres:: Unaligned address");
}
if (value > 4) [[unlikely]] {
regs[0] = SVCResult::InvalidEnumValueAlt;
return;
}
switch (static_cast<ArbitrationType>(type)) {
case ArbitrationType::WaitIfLess:
Helpers::panic("Uwu");
// Puts this thread to sleep if word < value until another thread signals the address with the type SIGNAL
case ArbitrationType::WaitIfLess: {
s32 word = static_cast<s32>(mem.read32(address)); // Yes this is meant to be signed
if (word < value) {
Helpers::panic("Needa sleep");
}
break;
}
default:
Helpers::panic("ArbitrateAddress: Unimplemented type %s", arbitrationTypeToString(type));
}