hoc-clk: add reversenx sync

Source/sys-clk/sysmodule/src/integrations.cpp

@@ -0,0 +1,66 @@
+#include "integrations.h"
+
+ReverseNXSync::ReverseNXSync()
+    : m_rt_mode(ReverseNX_NotFound), m_tool_mode(ReverseNX_NotFound) {
+    FILE *fp = fopen("/atmosphere/contents/0000000000534C56/flags/boot2.flag", "r");
+    m_tool_enabled = fp ? true : false;
+    if (fp)
+        fclose(fp);
+}
+
+SysClkProfile ReverseNXSync::GetProfile(SysClkProfile real) {
+    switch (this->GetMode()) {
+        case ReverseNX_Docked:
+            return SysClkProfile_Docked;
+        case ReverseNX_Handheld:
+            if (real == SysClkProfile_Docked)
+                return SysClkProfile_HandheldChargingOfficial;
+        default:
+            return real;
+    }
+}
+
+ReverseNXMode ReverseNXSync::GetMode() {
+    if (!this->m_sync_enabled)
+        return ReverseNX_NotFound;
+    if (this->m_rt_mode)
+        return this->m_rt_mode;
+    return this->m_tool_mode;
+}
+
+ReverseNXMode ReverseNXSync::GetToolModeFromPatch(const char* patch_path) {
+    constexpr uint32_t DOCKED_MAGIC = 0x320003E0;
+    constexpr uint32_t HANDHELD_MAGIC = 0x52A00000;
+    FILE *fp = fopen(patch_path, "rb");
+    if (fp) {
+        uint32_t buf = 0;
+        fread(&buf, sizeof(buf), 1, fp);
+        fclose(fp);
+
+        if (buf == DOCKED_MAGIC)
+            return ReverseNX_Docked;
+        if (buf == HANDHELD_MAGIC)
+            return ReverseNX_Handheld;
+    }
+
+    return ReverseNX_NotFound;
+}
+
+ReverseNXMode ReverseNXSync::RecheckToolMode() {
+    ReverseNXMode mode = ReverseNX_NotFound;
+    if (this->m_tool_enabled) {
+        const char* fileName = "_ZN2nn2oe18GetPerformanceModeEv.asm64"; // or _ZN2nn2oe18GetPerformanceModeEv.asm64
+        const char* filePath = new char[72];
+        SCOPE_EXIT { delete[] filePath; };
+        /* Check per-game patch */
+        snprintf((char*)filePath, 72, "/SaltySD/patches/%016lX/%s", this->m_app_id, fileName);
+        mode = this->GetToolModeFromPatch(filePath);
+        if (!mode) {
+            /* Check global patch */
+            snprintf((char*)filePath, 72, "/SaltySD/patches/%s", fileName);
+            mode = this->GetToolModeFromPatch(filePath);
+        }
+    }
+
+    return mode;
+}