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Initial implementation of ports and sessions

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wheremyfoodat 2022-09-17 04:37:40 +03:00
parent aa643c44bb
commit 0e66af8dae
7 changed files with 100 additions and 17 deletions
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6
include/kernel/kernel.hpp
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@ -14,6 +14,7 @@ class Kernel {
// The handle number for the next kernel object to be created
u32 handleCounter;
std::vector<KernelObject> objects;
std::vector<Handle> portHandles;
u32 currentProcess;
@ -47,6 +48,10 @@ class Kernel {
}
Handle makeProcess();
Handle makePort(const char* name);
std::optional<Handle> getPortHandle(const char* name);
void deleteObjectData(KernelObject& object);
KernelObject* getProcessFromPID(Handle handle);
s32 getCurrentResourceValue(const KernelObject* limit, u32 resourceName);
u32 getMaxForResource(const KernelObject* limit, u32 resourceName);
@ -64,6 +69,7 @@ class Kernel {
public:
Kernel(std::array<u32, 16>& regs, Memory& mem) : regs(regs), mem(mem), handleCounter(0) {
objects.reserve(512); // Make room for a few objects to avoid further memory allocs later
portHandles.reserve(32);
}
void serviceSVC(u32 svc);
void reset();

20
include/kernel/kernel_types.hpp
View file

@ -5,9 +5,11 @@ namespace SVCResult {
enum : u32 {
Success = 0,
Failure = 0xFFFFFFFF,
ObjectNotFound = 0xD88007FA,
// Different calls return a different value
BadHandle = 0xD8E007F7,
BadHandleAlt = 0xD9001BF7
BadHandleAlt = 0xD9001BF7,
PortNameTooLong = 0xE0E0181E
};
}
@ -19,7 +21,7 @@ namespace KernelHandles {
}
enum class KernelObjectType : u8 {
ResourceLimit, Process
Port, Process, ResourceLimit, Session, Dummy
};
enum class ResourceLimitCategory : int {
@ -55,10 +57,24 @@ struct ProcessData {
ResourceLimits limits;
};
struct PortData {
static constexpr u32 maxNameLen = 11;
char name[maxNameLen + 1] = {};
bool isPublic = false; // Setting name=NULL creates a private port not accessible from svcConnectToPort.
};
struct SessionData {
};
static const char* kernelObjectTypeToString(KernelObjectType t) {
switch (t) {
case KernelObjectType::Port: return "port";
case KernelObjectType::Process: return "process";
case KernelObjectType::ResourceLimit: return "resource limit";
case KernelObjectType::Session: return "session";
case KernelObjectType::Dummy: return "dummy";
default: return "unknown";
}
}