From 2a3a701115f583ad6af1ca540536c5daaf8fb2eb Mon Sep 17 00:00:00 2001
From: Roman <38257989+MrJohnDev@users.noreply.github.com>
Date: Tue, 13 May 2025 12:10:33 +0700
Subject: [PATCH] kernel: macos/linux Implement sceKernelUuidCreate (#2923)

* kernel: macos/linux Implement sceKernelUuidCreate

* Fix clang-format

* Fix Linux build

* Fix Linux build (2)

---------

Co-authored-by: squidbus <175574877+squidbus@users.noreply.github.com>
---
 CMakeLists.txt                       | 10 +++++++---
 src/core/libraries/kernel/kernel.cpp | 14 +++++++++++++-
 2 files changed, 20 insertions(+), 4 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index c182e0658..6780db417 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1094,9 +1094,13 @@ if (ENABLE_DISCORD_RPC)
     target_compile_definitions(shadps4 PRIVATE ENABLE_DISCORD_RPC)
 endif()
 
-# Optional due to https://github.com/shadps4-emu/shadPS4/issues/1704
-if (${CMAKE_SYSTEM_NAME} STREQUAL "Linux" AND ENABLE_USERFAULTFD)
-    target_compile_definitions(shadps4 PRIVATE ENABLE_USERFAULTFD)
+if (${CMAKE_SYSTEM_NAME} STREQUAL "Linux")
+    # Optional due to https://github.com/shadps4-emu/shadPS4/issues/1704
+    if (ENABLE_USERFAULTFD)
+        target_compile_definitions(shadps4 PRIVATE ENABLE_USERFAULTFD)
+    endif()
+
+    target_link_libraries(shadps4 PRIVATE uuid)
 endif()
 
 if (APPLE)
diff --git a/src/core/libraries/kernel/kernel.cpp b/src/core/libraries/kernel/kernel.cpp
index 959a8605a..6289af113 100644
--- a/src/core/libraries/kernel/kernel.cpp
+++ b/src/core/libraries/kernel/kernel.cpp
@@ -28,6 +28,8 @@
 
 #ifdef _WIN64
 #include <Rpc.h>
+#else
+#include <uuid/uuid.h>
 #endif
 #include <common/singleton.h>
 #include "aio.h"
@@ -164,7 +166,17 @@ int PS4_SYSV_ABI sceKernelUuidCreate(OrbisKernelUuid* orbisUuid) {
         orbisUuid->node[i] = uuid.Data4[2 + i];
     }
 #else
-    LOG_ERROR(Kernel, "sceKernelUuidCreate: Add linux");
+    uuid_t uuid;
+    uuid_generate(uuid);
+    orbisUuid->timeLow =
+        ((u32)uuid[0] << 24) | ((u32)uuid[1] << 16) | ((u32)uuid[2] << 8) | (u32)uuid[3];
+    orbisUuid->timeMid = ((u16)uuid[4] << 8) | uuid[5];
+    orbisUuid->timeHiAndVersion = ((u16)uuid[6] << 8) | uuid[7];
+    orbisUuid->clockSeqHiAndReserved = uuid[8];
+    orbisUuid->clockSeqLow = uuid[9];
+    for (int i = 0; i < 6; i++) {
+        orbisUuid->node[i] = uuid[10 + i];
+    }
 #endif
     return 0;
 }