RPCSX/rpcsx
1
0
Fork 0
mirror of https://github.com/RPCSX/rpcsx.git synced 2026-04-05 14:37:08 +00:00
Code Issues Projects Releases Packages Wiki Activity

[orbis-kernel] Stub umtx ipc support

Browse source
This commit is contained in:
Ivan Chikish 2023-07-22 12:03:46 +03:00
parent 6c7bde4faa
commit 773be7283d
5 changed files with 55 additions and 30 deletions
Download patch file Download diff file Expand all files Collapse all files

19
orbis-kernel/include/orbis/KernelContext.hpp
View file

@ -19,8 +19,8 @@ struct Thread;
struct UmtxKey {
// TODO: may contain a reference to a shared memory
void *addr;
pid_t pid;
std::uintptr_t addr;
orbis::pid_t pid;
auto operator<=>(const UmtxKey &) const = default;
};
@ -112,21 +112,16 @@ public:
// Use getUmtxChain0 or getUmtxChain1
std::tuple<UmtxChain &, UmtxKey, std::unique_lock<shared_mutex>>
getUmtxChainIndexed(int i, pid_t pid, void *ptr) {
auto n = reinterpret_cast<std::uintptr_t>(ptr) + pid;
n = ((n * c_golden_ratio_prime) >> c_umtx_shifts) % c_umtx_chains;
std::unique_lock lock(m_umtx_chains[i][n].mtx);
return {m_umtx_chains[i][n], UmtxKey{ptr, pid}, std::move(lock)};
}
getUmtxChainIndexed(int i, Thread *t, uint32_t flags, void *ptr);
// Internal Umtx: Wait/Cv/Sem
auto getUmtxChain0(pid_t pid, void *ptr) {
return getUmtxChainIndexed(0, pid, ptr);
auto getUmtxChain0(Thread *t, uint32_t flags, void *ptr) {
return getUmtxChainIndexed(0, t, flags, ptr);
}
// Internal Umtx: Mutex/Umtx/Rwlock
auto getUmtxChain1(pid_t pid, void *ptr) {
return getUmtxChainIndexed(1, pid, ptr);
auto getUmtxChain1(Thread *t, uint32_t flags, void *ptr) {
return getUmtxChainIndexed(1, t, flags, ptr);
}
private: