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[Kernel] Implement CreateMemoryBlock

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wheremyfoodat 2023-01-29 16:29:45 +02:00
parent ec7c0b86b7
commit 980139e588
5 changed files with 93 additions and 7 deletions
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1
include/kernel/kernel.hpp
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@ -45,6 +45,7 @@ class Kernel {
Handle makePort(const char* name);
Handle makeSession(Handle port);
Handle makeThread(u32 entrypoint, u32 initialSP, u32 priority, s32 id, u32 arg,ThreadStatus status = ThreadStatus::Dormant);
Handle makeMemoryBlock(u32 addr, u32 size, u32 myPermission, u32 otherPermission);
public:
Handle makeEvent(ResetType resetType); // Needs to be public to be accessible to the APT/HID services

18
include/kernel/kernel_types.hpp
View file

@ -17,13 +17,17 @@ namespace SVCResult {
BadHandle = 0xD8E007F7,
BadHandleAlt = 0xD9001BF7,
InvalidCombination = 0xE0E01BEE, // Used for invalid memory permission combinations
UnalignedAddr = 0xE0E01BF1,
UnalignedSize = 0xE0E01BF2,
BadThreadPriority = 0xE0E01BFD,
PortNameTooLong = 0xE0E0181E,
};
}
enum class KernelObjectType : u8 {
AddressArbiter, Archive, File, Process, ResourceLimit, Session, Dummy,
AddressArbiter, Archive, File, MemoryBlock, Process, ResourceLimit, Session, Dummy,
// Bundle waitable objects together in the enum to let the compiler optimize certain checks better
Event, Mutex, Port, Semaphore, Timer, Thread
};
@ -142,6 +146,7 @@ static const char* kernelObjectTypeToString(KernelObjectType t) {
case KernelObjectType::Archive: return "archive";
case KernelObjectType::Event: return "event";
case KernelObjectType::File: return "file";
case KernelObjectType::MemoryBlock: return "memory block";
case KernelObjectType::Port: return "port";
case KernelObjectType::Process: return "process";
case KernelObjectType::ResourceLimit: return "resource limit";
@ -168,6 +173,17 @@ struct Semaphore {
Semaphore(u32 initialCount, u32 maximumCount) : initialCount(initialCount), maximumCount(maximumCount) {}
};
struct MemoryBlock {
u32 addr = 0;
u32 size = 0;
u32 myPermission = 0;
u32 otherPermission = 0;
bool mapped = false;
MemoryBlock(u32 addr, u32 size, u32 myPerm, u32 otherPerm) : addr(addr), size(size), myPermission(myPerm), otherPermission(otherPerm),
mapped(false) {}
};
// Generic kernel object class
struct KernelObject {
Handle handle = 0; // A u32 the OS will use to identify objects