From 413b67f8cebe64622df2495b5aa83fd7ef6f64c6 Mon Sep 17 00:00:00 2001
From: georgemoralis <giorgosmrls@gmail.com>
Date: Mon, 13 May 2024 20:09:32 +0300
Subject: [PATCH] scePthreadMutexTrylock  and some more libcinternal functions

---
 .../libraries/kernel/thread_management.cpp    | 24 +++++++++++++++++++
 .../libraries/libc_internal/libc_internal.cpp | 11 +++++++++
 .../libraries/libc_internal/libc_internal.h   |  6 +++++
 3 files changed, 41 insertions(+)

diff --git a/src/core/libraries/kernel/thread_management.cpp b/src/core/libraries/kernel/thread_management.cpp
index 5c2524b6..cfc3b8d1 100644
--- a/src/core/libraries/kernel/thread_management.cpp
+++ b/src/core/libraries/kernel/thread_management.cpp
@@ -964,6 +964,29 @@ int PS4_SYSV_ABI scePthreadCondattrDestroy(ScePthreadCondattr* attr) {
     }
 }
 
+int PS4_SYSV_ABI scePthreadMutexTrylock(ScePthreadMutex* mutex) {
+
+    if (mutex == nullptr) {
+        return ORBIS_KERNEL_ERROR_EINVAL;
+    }
+
+    int result = pthread_mutex_trylock(&(*mutex)->pth_mutex);
+    if (result != 0) {
+        LOG_INFO(Kernel_Pthread, "name={}, result={}", (*mutex)->name, result);
+    }
+    switch (result) {
+    case 0:
+        return ORBIS_OK;
+    case EAGAIN:
+        return ORBIS_KERNEL_ERROR_EAGAIN;
+    case EBUSY:
+        return ORBIS_KERNEL_ERROR_EBUSY;
+    case EINVAL:
+    default:
+        return ORBIS_KERNEL_ERROR_EINVAL;
+    }
+}
+
 void pthreadSymbolsRegister(Core::Loader::SymbolsResolver* sym) {
     LIB_FUNCTION("4+h9EzwKF4I", "libkernel", 1, "libkernel", 1, 1, scePthreadAttrSetschedpolicy);
     LIB_FUNCTION("-Wreprtu0Qs", "libkernel", 1, "libkernel", 1, 1, scePthreadAttrSetdetachstate);
@@ -993,6 +1016,7 @@ void pthreadSymbolsRegister(Core::Loader::SymbolsResolver* sym) {
     LIB_FUNCTION("1FGvU0i9saQ", "libkernel", 1, "libkernel", 1, 1, scePthreadMutexattrSetprotocol);
     LIB_FUNCTION("9UK1vLZQft4", "libkernel", 1, "libkernel", 1, 1, scePthreadMutexLock);
     LIB_FUNCTION("tn3VlD0hG60", "libkernel", 1, "libkernel", 1, 1, scePthreadMutexUnlock);
+    LIB_FUNCTION("upoVrzMHFeE", "libkernel", 1, "libkernel", 1, 1, scePthreadMutexTrylock);
     // cond calls
     LIB_FUNCTION("2Tb92quprl0", "libkernel", 1, "libkernel", 1, 1, scePthreadCondInit);
     LIB_FUNCTION("m5-2bsNfv7s", "libkernel", 1, "libkernel", 1, 1, scePthreadCondattrInit);
diff --git a/src/core/libraries/libc_internal/libc_internal.cpp b/src/core/libraries/libc_internal/libc_internal.cpp
index 2a9866b6..e140c225 100644
--- a/src/core/libraries/libc_internal/libc_internal.cpp
+++ b/src/core/libraries/libc_internal/libc_internal.cpp
@@ -13,6 +13,10 @@ void* PS4_SYSV_ABI internal_memset(void* s, int c, size_t n) {
     return std::memset(s, c, n);
 }
 
+void* PS4_SYSV_ABI internal_memcpy(void* dest, const void* src, size_t n) {
+    return std::memcpy(dest, src, n);
+}
+
 errno_t PS4_SYSV_ABI internal_memcpy_s(void* dest, rsize_t destsz, const void* src, rsize_t count) {
     return memcpy_s(dest, destsz, src, count);
 }
@@ -25,15 +29,22 @@ int PS4_SYSV_ABI internal_memcmp(const void* s1, const void* s2, size_t n) {
     return std::memcmp(s1, s2, n);
 }
 
+float PS4_SYSV_ABI internal_expf(float x) {
+    return std::expf(x);
+}
+
 void RegisterlibSceLibcInternal(Core::Loader::SymbolsResolver* sym) {
     LIB_FUNCTION("NFLs+dRJGNg", "libSceLibcInternal", 1, "libSceLibcInternal", 1, 1,
                  internal_memcpy_s);
+    LIB_FUNCTION("Q3VBxCXhUHs", "libSceLibcInternal", 1, "libSceLibcInternal", 1, 1,
+                 internal_memcpy);
     LIB_FUNCTION("8zTFvBIAIN8", "libSceLibcInternal", 1, "libSceLibcInternal", 1, 1,
                  internal_memset);
     LIB_FUNCTION("5Xa2ACNECdo", "libSceLibcInternal", 1, "libSceLibcInternal", 1, 1,
                  internal_strcpy_s);
     LIB_FUNCTION("DfivPArhucg", "libSceLibcInternal", 1, "libSceLibcInternal", 1, 1,
                  internal_memcmp);
+    LIB_FUNCTION("8zsu04XNsZ4", "libSceLibcInternal", 1, "libSceLibcInternal", 1, 1, internal_expf);
 };
 
 } // namespace Libraries::LibcInternal
\ No newline at end of file
diff --git a/src/core/libraries/libc_internal/libc_internal.h b/src/core/libraries/libc_internal/libc_internal.h
index 37b16fd4..d24bc500 100644
--- a/src/core/libraries/libc_internal/libc_internal.h
+++ b/src/core/libraries/libc_internal/libc_internal.h
@@ -10,6 +10,12 @@ class SymbolsResolver;
 }
 
 namespace Libraries::LibcInternal {
+void* PS4_SYSV_ABI internal_memset(void* s, int c, size_t n);
+void* PS4_SYSV_ABI internal_memcpy(void* dest, const void* src, size_t n);
+errno_t PS4_SYSV_ABI internal_memcpy_s(void* dest, rsize_t destsz, const void* src, rsize_t count);
+errno_t PS4_SYSV_ABI internal_strcpy_s(char* dest, rsize_t dest_size, const char* src);
+int PS4_SYSV_ABI internal_memcmp(const void* s1, const void* s2, size_t n);
+float PS4_SYSV_ABI internal_expf(float x);
 
 void RegisterlibSceLibcInternal(Core::Loader::SymbolsResolver* sym);
 } // namespace Libraries::LibcInternal
\ No newline at end of file