ratufacoat/include/sjmevdef.h

   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 GNU General Public License v3+, or later.
   7 // See license.mkd for licensing and copyright information.
   8 // --------------------------------------------------------------------------*/
   9
  10 /**
  11  * SquirrelJME Virtual Machine Definitions.
  12  *
  13  * @since 2019/10/06
  14  */
  15
  16 /** Header guard. */
  17 #ifndef SJME_hGRATUFACOATSJMFHSJMEVDEFH
  18 #define SJME_hGRATUFACOATSJMFHSJMEVDEFH
  19
  20 /** Anti-C++. */
  21 #ifdef _cplusplus
  22 #ifndef SJME_CXX_IS_EXTERNED
  23 #define SJME_CXX_IS_EXTERNED
  24 #define SJME_cXRATUFACOATSJMFHSJMEVDEFH
  25 extern "C"
  26 {
  27 #endif /** #ifdef SJME_CXX_IS_EXTERNED */
  28 #endif /** #ifdef __cplusplus */
  29
  30 /****************************************************************************/
  31
  32 /**
  33  * Long return value result
  34  *
  35  * @since 2019/12/07
  36  */
  37 typedef struct sjme_jlong_combine
  38 {
  39         /** Low. */
  40         sjme_jint lo;
  41
  42         /** High. */
  43         sjme_jint hi;
  44 } sjme_jlong_combine;
  45
  46 /**
  47  * Division result.
  48  *
  49  * @since 2019/06/20
  50  */
  51 typedef struct sjme_jint_div
  52 {
  53         /** Quotient. */
  54         sjme_jint quot;
  55
  56         /** Remainder. */
  57         sjme_jint rem;
  58 } sjme_jint_div;
  59
  60 /**
  61  * Virtual CPU state.
  62  *
  63  * @since 2019/06/27
  64  */
  65 typedef struct sjme_cpustate sjme_cpustate;
  66 struct sjme_cpustate
  67 {
  68         /** PC. */
  69         sjme_vmemptr pc;
  70
  71         /** Registers. */
  72         sjme_jint r[SJME_MAX_REGISTERS];
  73
  74         /** Debug: Class name. */
  75         sjme_vmemptr debugclassname;
  76
  77         /** Debug: Method name. */
  78         sjme_vmemptr debugmethodname;
  79
  80         /** Debug: Method type. */
  81         sjme_vmemptr debugmethodtype;
  82
  83         /** Debug: Source file. */
  84         sjme_vmemptr debugsourcefile;
  85
  86         /** Debug: Current line. */
  87         sjme_jint debugline;
  88
  89         /** Debug: Java Operation. */
  90         sjme_jint debugjop;
  91
  92         /** Debug: Java Address. */
  93         sjme_jint debugjpc;
  94
  95         /** Debug: The Task ID. */
  96         sjme_jint taskid;
  97
  98         /** The parent CPU state. */
  99         sjme_cpustate* parent;
 100 };
 101
 102 /** Virtual CPU. */
 103 typedef struct sjme_cpu sjme_cpu;
 104 struct sjme_cpu
 105 {
 106         /** The state of this thread. */
 107         sjme_jint threadstate;
 108
 109         /* System call arguments. */
 110         sjme_jint syscallargs[SJME_MAX_SYSCALLARGS];
 111
 112         /* System call error numbers. */
 113         sjme_jint syscallerr[SJME_SYSCALL_NUM_SYSCALLS];
 114
 115         /* Supervisor properties. */
 116         sjme_jint supervisorprops[SJME_SUPERPROP_NUM_PROPERTIES];
 117
 118         /* Current CPU state. */
 119         sjme_cpustate state;
 120
 121         /** Stored IPC Exception. */
 122         sjme_jint ipcexception;
 123 };
 124
 125 /** Virtual machine state. */
 126 struct sjme_jvm
 127 {
 128         /** Virtual memory information. */
 129         sjme_vmem* vmem;
 130
 131         /** RAM. */
 132         sjme_vmemmap* ram;
 133
 134         /** ROM. */
 135         sjme_vmemmap* rom;
 136
 137         /** Configuration space. */
 138         sjme_vmemmap* config;
 139
 140         /** Framebuffer. */
 141         sjme_vmemmap* framebuffer;
 142
 143         /** OptionJAR. */
 144         sjme_vmemmap* optionjar;
 145
 146         /** Preset ROM. */
 147         void* presetrom;
 148
 149         /** Framebuffer info. */
 150         sjme_framebuffer* fbinfo;
 151
 152         /** Native functions. */
 153         sjme_nativefuncs* nativefuncs;
 154
 155         /** Linearly fair CPU execution engine. */
 156         sjme_jint fairthreadid;
 157
 158         /** Threads. */
 159         sjme_cpu threads[SJME_THREAD_MAX];
 160
 161         /** Total instruction count. */
 162         sjme_jint totalinstructions;
 163
 164         /** Did the supervisor boot okay? */
 165         sjme_jint supervisorokay;
 166
 167         /** Console X position. */
 168         sjme_jint conx;
 169
 170         /** Console Y position. */
 171         sjme_jint cony;
 172
 173         /** Console width. */
 174         sjme_jint conw;
 175
 176         /** Console height. */
 177         sjme_jint conh;
 178
 179         /** System call static field pointer. */
 180         sjme_vmemptr syscallsfp;
 181
 182         /** System call code pointer. */
 183         sjme_vmemptr syscallcode;
 184
 185         /** System call pool pointer. */
 186         sjme_vmemptr syscallpool;
 187
 188         /** Is debugging enabled? */
 189         sjme_jint enabledebug;
 190
 191         /** Squelch the framebuffer console? */
 192         sjme_jint squelchfbconsole;
 193 };
 194
 195 /****************************************************************************/
 196
 197 /** Anti-C++. */
 198 #ifdef __cplusplus
 199 #ifdef SJME_cXRATUFACOATSJMFHSJMEVDEFH
 200 }
 201 #undef SJME_cXRATUFACOATSJMFHSJMEVDEFH
 202 #undef SJME_CXX_IS_EXTERNED
 203 #endif /** #ifdef SJME_cXRATUFACOATSJMFHSJMEVDEFH */
 204 #endif /** #ifdef __cplusplus */
 205
 206 /** Header guard. */
 207 #endif /* #ifndef SJME_hGRATUFACOATSJMFHSJMEVDEFH */
 208