nanocoat/src/boot.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 <string.h>
  11
  12 #include "sjme/boot.h"
  13 #include "sjme/debug.h"
  14 #include "sjme/nvm.h"
  15
  16 /**
  17  * Combines all of the input ROMs and provides a virtual ROM that contains
  18  * all of the libraries, this is so everything is within a single library
  19  * set.
  20  *
  21  * @param config The input configuration.
  22  * @param outLibraries The output libraries.
  23  * @return If this was successful.
  24  * @since 2023/07/28
  25  */
  26 static sjme_attrCheckReturn sjme_jboolean sjme_nvm_bootCombineRom(
  27         sjme_attrInNotNull const sjme_nvm_bootConfig* config,
  28         sjme_attrOutNotNull sjme_static_libraries** outLibraries)
  29 {
  30         if (config == NULL || outLibraries == NULL)
  31                 return SJME_JNI_FALSE;
  32
  33         /* Determine the total library count. */
  34         if (SJME_JNI_TRUE)
  35                 sjme_todo("sjme_nvm_bootVirtualRom()");
  36
  37         /* Allocate output result. */
  38         if (SJME_JNI_TRUE)
  39                 sjme_todo("sjme_nvm_bootVirtualRom()");
  40
  41         /* Bring in all the libraries into the output. */
  42         if (SJME_JNI_TRUE)
  43                 sjme_todo("sjme_nvm_bootVirtualRom()");
  44
  45         /* Return the result. */
  46         sjme_todo("sjme_nvm_bootVirtualRom()");
  47         return SJME_JNI_FALSE;
  48 }
  49
  50 sjme_errorCode sjme_nvm_boot(sjme_alloc_pool* mainPool,
  51         const sjme_nvm_bootConfig* config,
  52         sjme_nvm_state** outState, int argc, char** argv)
  53 {
  54         sjme_nvm_state* result;
  55         void* reservedBase;
  56         sjme_alloc_pool* reservedPool;
  57         sjme_jint reservedSize;
  58         sjme_errorCode error;
  59
  60         if (config == NULL || outState == NULL)
  61                 return SJME_ERROR_NULL_ARGUMENTS;
  62
  63         /* Set up a reserved pool where all the data structures for the VM go... */
  64         reservedBase = NULL;
  65         reservedSize = 64 * 1024;
  66         if (SJME_IS_ERROR(error = sjme_alloc(mainPool,
  67                 reservedSize, (void**)&reservedBase) ||
  68                 reservedBase == NULL))
  69                 return error;
  70
  71         /* Initialize a reserved pool where all of our own data structures go. */
  72         reservedPool = NULL;
  73         if (SJME_IS_ERROR(error = sjme_alloc_poolStatic(
  74                 &reservedPool, reservedBase, reservedSize)) ||
  75                 reservedPool == NULL)
  76                 return error;
  77
  78         /* Allocate resultant state. */
  79         result = NULL;
  80         if (SJME_IS_ERROR(error = sjme_alloc(reservedPool,
  81                 sizeof(*result), (void**)&result)) || result == NULL)
  82                 return error;
  83
  84         /* Set parameters accordingly. */
  85         result->allocPool = mainPool;
  86         result->reservedPool = reservedPool;
  87
  88         /* Copy the boot config over. */
  89         memmove(&result->bootConfig, config, sizeof(*config));
  90
  91         /* Combine the input ROMs to a set of libraries. */
  92         if (!sjme_nvm_bootCombineRom(config, &result->libraries))
  93         {
  94                 sjme_nvm_destroy(result, NULL);
  95                 return SJME_JNI_FALSE;
  96         }
  97
  98         /* Parse the command line arguments for options on running the VM. */
  99         if (SJME_JNI_TRUE)
 100                 sjme_todo("sjme_nvm_boot()");
 101
 102         /* Spawn initial task which uses the main arguments. */
 103         if (SJME_JNI_TRUE)
 104                 sjme_todo("sjme_nvm_boot()");
 105
 106         /* Return newly created VM. */
 107         sjme_todo("sjme_nvm_boot()");
 108         return SJME_JNI_FALSE;
 109 }
 110
 111 sjme_jboolean sjme_nvm_destroy(sjme_nvm_state* state, sjme_jint* exitCode)
 112 {
 113         if (state == NULL)
 114                 return SJME_JNI_FALSE;
 115
 116         /* Free sub-structures. */
 117         if (SJME_JNI_TRUE)
 118                 sjme_todo("sjme_nvm_destroy()");
 119
 120         /* Free main structure. */
 121         if (SJME_JNI_TRUE)
 122                 sjme_todo("sjme_nvm_destroy()");
 123
 124         /* Set exit code, if requested. */
 125         if (SJME_JNI_TRUE)
 126                 sjme_todo("sjme_nvm_destroy()");
 127
 128         /* Finished. */
 129         sjme_todo("sjme_nvm_destroy()");
 130         return SJME_JNI_FALSE;
 131 }