so bascially rosalina's image...

was in BASE (hardcoded by kernel) while its heaps were in SYSTEM. Fix this; also put the kext where BASE was.

k11_extension/include/globals.h

@@ -133,6 +133,7 @@ typedef struct CfwInfo
 
 extern CfwInfo cfwInfo;
 extern u32 kextBasePa;
+extern u32 stolenSystemMemRegionSize;
 
 extern vu32 rosalinaState;
 extern bool hasStartedRosalinaNetworkFuncsOnce;

k11_extension/include/kernel.h

@@ -1126,11 +1126,11 @@ typedef union KCacheMaintenanceInterruptEvent
 
 typedef struct FcramLayout
 {
-  void *applicationAddr;
+  u32 applicationAddr;
   u32 applicationSize;
-  void *systemAddr;
+  u32 systemAddr;
   u32 systemSize;
-  void *baseAddr;
+  u32 baseAddr;
   u32 baseSize;
 } FcramLayout;
 

k11_extension/source/globals.c

@@ -109,6 +109,7 @@ void (*coreBarrier)(void);
 
 CfwInfo cfwInfo;
 u32 kextBasePa;
+u32 stolenSystemMemRegionSize;
 
 vu32 rosalinaState;
 bool hasStartedRosalinaNetworkFuncsOnce;

k11_extension/source/main.c

@@ -37,6 +37,7 @@
 struct KExtParameters
 {
     u32 basePA;
+    u32 stolenSystemMemRegionSize;
     void *originalHandlers[4];
     u32 L1MMUTableAddrs[4];
 
@@ -261,7 +262,14 @@ void main(FcramLayout *layout, KCoreContext *ctxs)
     u32 TTBCR_;
     s64 nb;
 
-    layout->systemSize -= __end__ - __start__;
+    cfwInfo = p->cfwInfo;
+    kextBasePa = p->basePA;
+    stolenSystemMemRegionSize = p->stolenSystemMemRegionSize;
+
+    u32 kextSize = (u32)(__end__ - __start__);
+    layout->systemSize -= stolenSystemMemRegionSize;
+    layout->baseAddr = layout->baseAddr - stolenSystemMemRegionSize + kextSize;
+    layout->baseSize = layout->baseSize + stolenSystemMemRegionSize - kextSize;
     fcramLayout = *layout;
     coreCtxs = ctxs;
 
@@ -270,8 +278,6 @@ void main(FcramLayout *layout, KCoreContext *ctxs)
     isN3DS = getNumberOfCores() == 4;
     memcpy(L1MMUTableAddrs, (const void *)p->L1MMUTableAddrs, 16);
     exceptionStackTop = (u32 *)0xFFFF2000 + (1 << (32 - TTBCR - 20));
-    cfwInfo = p->cfwInfo;
-    kextBasePa = p->basePA;
 
     memcpy(originalHandlers + 1, p->originalHandlers, 16);
     void **arm11SvcTable = (void**)originalHandlers[2];

k11_extension/source/svc/GetSystemInfo.c

@@ -82,6 +82,10 @@ Result GetSystemInfoHook(s64 *out, s32 type, s32 param)
                     *out = (s64)(((u64)kextBasePa << 32) | (u64)(__end__ - __start__));
                     break;
 
+                case 0x301: // stolen SYSTEM memory size
+                    *out = stolenSystemMemRegionSize;
+                    break;
+
                 default:
                     *out = 0;
                     res = 0xF8C007F4; // not implemented