add kip detection

Source/hoc-clk/sysmodule/src/file/kip.cpp

@@ -19,9 +19,9 @@
 #include "../i2c/i2cDrv.h"
 #include "../mgr/clock_manager.hpp"
 #include "file_utils.hpp"
+#include "../mapping/mem_map.hpp"
 #include "kip.hpp"
 
-
 namespace kip {
 
     bool kipAvailable = false;
@@ -172,6 +172,24 @@ namespace kip {
         }
     }
 
+    bool IsKipLoaded() {
+        constexpr u32 ExpectedMagic = 0x686F634D;
+        constexpr uintptr_t LoadMagicAddress = 0x4003DC00;
+        u32 iramValue = {};
+
+        SmcCopyFromIram(&iramValue, LoadMagicAddress, sizeof(iramValue));
+
+        if (iramValue == ExpectedMagic) {
+            iramValue = 0;
+            SmcCopyToIram(LoadMagicAddress, &iramValue, sizeof(iramValue));
+            return true;
+        }
+
+        notification::writeNotification("Kip is not loaded!");
+        fileUtils::LogLine("Kip was not loaded!");
+        return false;
+    }
+
     // I know this is very hacky, but the config system in the sysmodule doesn't really support writing
 
     void GetKipData() {
@@ -231,6 +249,7 @@ namespace kip {
             return;
         }
 
+        clockManager::gContext.isKipLoaded = IsKipLoaded();
         clockManager::gContext.kipVersion = kipVersion;
         configValues.values[KipConfigValue_custRev] = cust_get_cust_rev(&table);
         configValues.values[KipConfigValue_KipVersion] = cust_get_kip_version(&table);  // Run this after the check so we can do migration process
@@ -350,4 +369,5 @@ namespace kip {
         }
         config::SetConfigValues(&configValues, true);
     }
+
 }  // namespace kip

Source/hoc-clk/sysmodule/src/mapping/mem_map.cpp

@@ -19,7 +19,6 @@
 
 #include "../file/file_utils.hpp"
 
-
 Result QueryMemoryMapping(u64 *virtaddr, u64 physaddr, u64 size) {
     if (hosversionAtLeast(10, 0, 0)) {
         u64 out_size;
@@ -37,3 +36,33 @@ Result MapAddress(u64 &va, const u64 &physAddr, const char *name) {
 
     return mapResult;
 }
+
+Result SmcCopyFromIram(void *dest, uintptr_t src, u32 size) {
+    SecmonArgs args;
+    args.X[0] = 0xF0000201;
+    args.X[1] = (u64)dest;
+    args.X[2] = (u64)src;
+    args.X[3] = size;
+    args.X[4] = 0;
+    svcCallSecureMonitor(&args);
+    Result rc = 0;
+    if (args.X[0] != 0) {
+        rc = (26u | ((u32)args.X[0] << 9u));
+    }
+    return rc;
+}
+
+Result SmcCopyToIram(uintptr_t dest, const void *src, u32 size) {
+    SecmonArgs args;
+    args.X[0] = 0xF0000201;
+    args.X[1] = (u64)src;
+    args.X[2] = (u64)dest;
+    args.X[3] = size;
+    args.X[4] = 1;
+    svcCallSecureMonitor(&args);
+    Result rc = 0;
+    if (args.X[0] != 0) {
+        rc = (26u | ((u32)args.X[0] << 9u));
+    }
+    return rc;
+}

Source/hoc-clk/sysmodule/src/mapping/mem_map.hpp

@@ -20,3 +20,5 @@
 
 Result QueryMemoryMapping(u64 *virtaddr, u64 physaddr, u64 size);
 Result MapAddress(u64 &va, const u64 &physAddr, const char *name);
+Result SmcCopyFromIram(void *dest, uintptr_t src, u32 size);
+Result SmcCopyToIram(uintptr_t dest, const void *src, u32 size);