nanocoat/frontend/emulator/nativeNvmState.c

   1 /* -*- Mode: C; indent-tabs-mode: t; tab-width: 4 -*-
   2 // ---------------------------------------------------------------------------
   3 // SquirrelJME
   4 //     Copyright (C) Stephanie Gawroriski <xer@multiphasicapps.net>
   5 // ---------------------------------------------------------------------------
   6 // SquirrelJME is under the Mozilla Public License Version 2.0.
   7 // See license.mkd for licensing and copyright information.
   8 // -------------------------------------------------------------------------*/
   9
  10 #include <jni.h>
  11
  12 #include "frontend/emulator/jniHelper.h"
  13 #include "sjme/nvm/boot.h"
  14
  15 jlong SJME_JNI_METHOD(SJME_CLASS_NVM_STATE, _1_1nvmBoot)
  16         (JNIEnv* env, jclass classy, jlong poolPtr, jlong reservedPtr,
  17                 jobject wrapper, jlong paramPtr)
  18 {
  19         sjme_nvm state;
  20         sjme_errorCode error;
  21
  22         if (poolPtr == 0 || reservedPtr == 0 || wrapper == NULL || paramPtr == 0)
  23         {
  24                 sjme_jni_throwVMException(env, SJME_ERROR_NULL_ARGUMENTS);
  25                 return 0;
  26         }
  27
  28         /* Initialize new state. */
  29         state = NULL;
  30         if (sjme_error_is(error = sjme_nvm_boot(
  31                 SJME_JLONG_TO_POINTER(sjme_alloc_pool*, poolPtr),
  32                 SJME_JLONG_TO_POINTER(sjme_alloc_pool*, reservedPtr),
  33                 SJME_JLONG_TO_POINTER(const sjme_nvm_bootParam*, paramPtr),
  34                 &state)) || state == NULL)
  35         {
  36                 sjme_jni_throwVMException(env, error);
  37                 return 0;
  38         }
  39
  40         /* Set self reference object, we need a global reference for it. */
  41         state->common.frontEnd.data = env;
  42         state->common.frontEnd.wrapper = SJME_FRONT_END_WRAP(
  43                 (*env)->NewGlobalRef(env, wrapper));
  44
  45         /* Use pointer to the state. */
  46         return SJME_POINTER_TO_JLONG(state);
  47 }