src/kernel --> src/

2026-05-30 02:16:58 +00:00 · 2026-03-16 00:30:47 +01:00
parent 3da1496e4f
commit fc83d7941b
630 changed files with 2 additions and 2 deletions
--- a/src/mem/vm.h
+++ b/src/mem/vm.h
@@ -0,0 +1,111 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
+#ifndef VM_H
+#define VM_H
+
+#include <stdint.h>
+#include <stdbool.h>
+
+// Simple Stack-Based VM
+// Header: "BORDEXE" (7 bytes) + Version (1 byte)
+
+#define VM_MAGIC "BORDEXE"
+#define VM_STACK_SIZE 256
+#define VM_MEMORY_SIZE (64 * 1024) // 64KB
+
+typedef enum {
+    OP_HALT = 0,
+    OP_IMM,     // Push immediate (int32)
+    OP_LOAD,    // Load from memory (addr) - int32
+    OP_STORE,   // Store to memory (addr) - int32
+    OP_ADD,     // +
+    OP_SUB,     // -
+    OP_MUL,     // *
+    OP_DIV,     // /
+    OP_PRINT,   // Deprecated
+    OP_PRITC,   // Deprecated
+    OP_JMP,     // Jump (addr)
+    OP_JZ,      // Jump if zero
+    OP_EQ,      // ==
+    OP_NEQ,     // !=
+    OP_LT,      // <
+    OP_GT,      // >
+    OP_LE,      // <=
+    OP_GE,      // >=
+    OP_SYSCALL, // Call system function (id)
+    OP_LOAD8,   // Load byte
+    OP_STORE8,  // Store byte
+    OP_PUSH_PTR, // Push pointer to data segment (relative to start of mem)
+    OP_POP      // Pop and discard top of stack
+} OpCode;
+
+// Syscall IDs
+typedef enum {
+    VM_SYS_EXIT = 0,
+    VM_SYS_PRINT_INT,
+    VM_SYS_PRINT_CHAR,
+    VM_SYS_PRINT_STR,
+    VM_SYS_NL,
+    VM_SYS_CLS,
+    VM_SYS_GETCHAR,
+    VM_SYS_STRLEN,
+    VM_SYS_STRCMP,
+    VM_SYS_STRCPY,
+    VM_SYS_STRCAT,
+    VM_SYS_MEMSET,
+    VM_SYS_MEMCPY,
+    VM_SYS_MALLOC,
+    VM_SYS_FREE,
+    VM_SYS_RAND,
+    VM_SYS_SRAND,
+    VM_SYS_ABS,
+    VM_SYS_MIN,
+    VM_SYS_MAX,
+    VM_SYS_POW,
+    VM_SYS_SQRT,
+    VM_SYS_SLEEP,
+    VM_SYS_FOPEN,
+    VM_SYS_FCLOSE,
+    VM_SYS_FREAD,
+    VM_SYS_FWRITE,
+    VM_SYS_FSEEK,
+    VM_SYS_REMOVE,
+    VM_SYS_DRAW_PIXEL,
+    VM_SYS_DRAW_RECT,
+    VM_SYS_DRAW_LINE,
+    VM_SYS_DRAW_TEXT,
+    VM_SYS_GET_WIDTH,
+    VM_SYS_GET_HEIGHT,
+    VM_SYS_GET_TIME,
+    VM_SYS_KB_HIT,
+    VM_SYS_MOUSE_X,
+    VM_SYS_MOUSE_Y,
+    VM_SYS_MOUSE_STATE,
+    VM_SYS_PLAY_SOUND,
+    VM_SYS_ATOI,
+    VM_SYS_ITOA,
+    VM_SYS_PEEK,
+    VM_SYS_POKE,
+    VM_SYS_EXEC,
+    VM_SYS_SYSTEM,
+    VM_SYS_STRCHR,
+    VM_SYS_MEMCMP,
+    VM_SYS_GET_DATE,
+    // New Builtins
+    VM_SYS_ISALNUM,
+    VM_SYS_ISALPHA,
+    VM_SYS_ISDIGIT,
+    VM_SYS_TOLOWER,
+    VM_SYS_TOUPPER,
+    VM_SYS_STRNCPY,
+    VM_SYS_STRNCAT,
+    VM_SYS_STRNCMP,
+    VM_SYS_STRSTR,
+    VM_SYS_STRRCHR,
+    VM_SYS_MEMMOVE
+} SyscallID;
+
+int vm_exec(const uint8_t *code, int code_size);
+
+#endif