306 lines
12 KiB
C
306 lines
12 KiB
C
// Fundamental Boolean and Null types for no-std environment
|
|
#define true 1
|
|
#define false 0
|
|
#define NULL ((void*)0)
|
|
|
|
#include "duffle.amd64.win32.h"
|
|
|
|
// --- Semantic Tags (Using X-Macros & Enum_) ---
|
|
typedef Enum_(U4, STag) {
|
|
#define Tag_Entries() \
|
|
X(Define, "Define", 0x003333FF, ":") /* RED */ \
|
|
X(Call, "Call", 0x0033FF33, "~") /* GREEN */ \
|
|
X(Data, "Data", 0x00FFFF33, "$") /* CYAN */ \
|
|
X(Imm, "Imm", 0x0033FFFF, "^") /* YELLOW */ \
|
|
X(Comment, "Comment", 0x00888888, ".") /* DIM */
|
|
|
|
#define X(n, s, c, p) tmpl(STag, n),
|
|
Tag_Entries()
|
|
#undef X
|
|
STag_Count,
|
|
};
|
|
|
|
// Helper array to fetch Hex colors for UI rendering based on STag
|
|
global U4 tag_colors[] = {
|
|
#define X(n, s, c, p) c,
|
|
Tag_Entries()
|
|
#undef X
|
|
};
|
|
|
|
// Helper array to fetch the text prefix based on STag
|
|
global const char* tag_prefixes[] = {
|
|
#define X(n, s, c, p) p,
|
|
Tag_Entries()
|
|
#undef X
|
|
};
|
|
|
|
// Token Packing: 28 bits payload | 4 bits tag
|
|
#define PACK_TOKEN(tag, val) (((U4)(tag) << 28) | ((U4)(val) & 0x0FFFFFFF))
|
|
#define UNPACK_TAG(token) (((token) >> 28) & 0x0F)
|
|
#define UNPACK_VAL(token) ((token) & 0x0FFFFFFF)
|
|
|
|
#define TOKENS_PER_ROW 8
|
|
|
|
// The Tape Drive (Using FArena from duffle)
|
|
global FArena tape_arena;
|
|
global U8 cursor_idx = 0;
|
|
|
|
// Executable Code Arena (The JIT)
|
|
global FArena code_arena;
|
|
|
|
// VM State: 2-Reg Stack + Global Memory
|
|
global U8 vm_rax = 0; // Top
|
|
global U8 vm_rdx = 0; // Next
|
|
global U8 vm_globals[16] = {0};
|
|
|
|
// Provide memset/memcpy for the compiler's implicit struct zeroing (-nostdlib)
|
|
void* memset(void* dest, int c, U8 count) {
|
|
mem_fill(u8_(dest), c, count);
|
|
return dest;
|
|
}
|
|
|
|
void* memcpy(void* dest, const void* src, U8 count) {
|
|
mem_copy(u8_(dest), u8_(src), count);
|
|
return dest;
|
|
}
|
|
|
|
IA_ void scatter(U4 token) {
|
|
U4*r ptr = farena_push_type(&tape_arena, U4);
|
|
if (ptr) { ptr[0] = token; }
|
|
}
|
|
|
|
IA_ void u64_to_hex(U8 val, char* buf, S4 chars) {
|
|
static const char hex_chars[] = "0123456789ABCDEF";
|
|
for(S1 i = chars - 1; i >= 0; --i) { buf[i] = hex_chars[val & 0xF]; val >>= 4; }
|
|
}
|
|
|
|
// --- Minimal x86-64 Emitter ---
|
|
IA_ void emit8(U1 b) { U1*r p = farena_push_type(&code_arena, U1); if(p) p[0] = b; }
|
|
IA_ void emit32(U4 val){ U4*r p = farena_push_type(&code_arena, U4); if(p) p[0] = val; }
|
|
|
|
IA_ void compile_word(U4 tag, U4 val) {
|
|
if (tag == tmpl(STag, Data)) {
|
|
// mov rdx, rax
|
|
emit8(0x48); emit8(0x89); emit8(0xC2);
|
|
// mov rax, imm32
|
|
emit8(0x48); emit8(0xC7); emit8(0xC0); emit32(val);
|
|
} else if (tag == tmpl(STag, Imm) || tag == tmpl(STag, Call)) {
|
|
if (val == 0x1) { // SWAP: xchg rax, rdx
|
|
emit8(0x48); emit8(0x87); emit8(0xC2);
|
|
} else if (val == 0x2) { // MULT: imul rax, rdx
|
|
emit8(0x48); emit8(0x0F); emit8(0xAF); emit8(0xC2);
|
|
} else if (val == 0x3) { // ADD: add rax, rdx
|
|
emit8(0x48); emit8(0x01); emit8(0xD0);
|
|
} else if (val == 0x4) { // FETCH: mov rax, QWORD PTR [rcx + rax*8]
|
|
emit8(0x48); emit8(0x8B); emit8(0x04); emit8(0xC1);
|
|
} else if (val == 0x5) { // DEC: dec rax
|
|
emit8(0x48); emit8(0xFF); emit8(0xC8);
|
|
} else if (val == 0x6) { // STORE: mov QWORD PTR [rcx + rax*8], rdx
|
|
emit8(0x48); emit8(0x89); emit8(0x14); emit8(0xC1);
|
|
} else if (val == 0x7) { // RET_IF_ZERO: test rax, rax; jnz +9; epilogue; ret
|
|
emit8(0x48); emit8(0x85); emit8(0xC0); // test rax, rax
|
|
emit8(0x75); emit8(0x09); // jnz skip_ret (+9 bytes)
|
|
emit8(0x48); emit8(0x89); emit8(0x41); emit8(0x70); // mov [rcx+112], rax
|
|
emit8(0x48); emit8(0x89); emit8(0x51); emit8(0x78); // mov [rcx+120], rdx
|
|
emit8(0xC3); // ret
|
|
} else if (val == 0xFA) { // F_STEP (Inlined Compiler Macro)
|
|
compile_word(tmpl(STag, Data), 0);
|
|
compile_word(tmpl(STag, Imm), 0x4);
|
|
compile_word(tmpl(STag, Imm), 0x7);
|
|
|
|
compile_word(tmpl(STag, Data), 1);
|
|
compile_word(tmpl(STag, Imm), 0x4);
|
|
compile_word(tmpl(STag, Data), 0);
|
|
compile_word(tmpl(STag, Imm), 0x4);
|
|
compile_word(tmpl(STag, Imm), 0x2);
|
|
compile_word(tmpl(STag, Data), 1);
|
|
compile_word(tmpl(STag, Imm), 0x6);
|
|
|
|
compile_word(tmpl(STag, Data), 0);
|
|
compile_word(tmpl(STag, Imm), 0x4);
|
|
compile_word(tmpl(STag, Imm), 0x5);
|
|
compile_word(tmpl(STag, Data), 0);
|
|
compile_word(tmpl(STag, Imm), 0x6);
|
|
}
|
|
}
|
|
}
|
|
|
|
IA_ void compile_and_run_tape(void) {
|
|
farena_reset(&code_arena);
|
|
|
|
// Prologue: Load VM state from globals[14] and [15]
|
|
emit8(0x48); emit8(0x8B); emit8(0x41); emit8(0x70); // mov rax, [rcx+112]
|
|
emit8(0x48); emit8(0x8B); emit8(0x51); emit8(0x78); // mov rdx, [rcx+120]
|
|
|
|
// Compile the selected tokens
|
|
U4*r tape_ptr = C_(U4*r, tape_arena.start);
|
|
for (U8 i = 0; i <= cursor_idx; i++) {
|
|
compile_word(UNPACK_TAG(tape_ptr[i]), UNPACK_VAL(tape_ptr[i]));
|
|
}
|
|
|
|
// Epilogue: Save VM state back to globals
|
|
emit8(0x48); emit8(0x89); emit8(0x41); emit8(0x70); // mov [rcx+112], rax
|
|
emit8(0x48); emit8(0x89); emit8(0x51); emit8(0x78); // mov [rcx+120], rdx
|
|
emit8(0xC3); // ret
|
|
|
|
// Cast code arena to function pointer and CALL it!
|
|
typedef void (*JIT_Func)(U8* globals_ptr);
|
|
JIT_Func func = (JIT_Func)code_arena.start;
|
|
func(vm_globals);
|
|
|
|
// Read state for UI
|
|
vm_rax = vm_globals[14];
|
|
vm_rdx = vm_globals[15];
|
|
}
|
|
|
|
// --- Window Procedure ---
|
|
S8 win_proc(void* hwnd, U4 msg, U8 wparam, S8 lparam) {
|
|
U8 tape_count = tape_arena.used / sizeof(U4);
|
|
|
|
switch (msg) {
|
|
case MS_WM_KEYDOWN: {
|
|
if (wparam == MS_VK_RIGHT && cursor_idx < tape_count - 1) cursor_idx++;
|
|
if (wparam == MS_VK_LEFT && cursor_idx > 0) cursor_idx--;
|
|
if (wparam == MS_VK_DOWN && cursor_idx + TOKENS_PER_ROW < tape_count) cursor_idx += TOKENS_PER_ROW;
|
|
if (wparam == MS_VK_UP && cursor_idx >= TOKENS_PER_ROW) cursor_idx -= TOKENS_PER_ROW;
|
|
|
|
// Interaction: Reset VM and compile up to cursor
|
|
vm_rax = 0; vm_rdx = 0;
|
|
mem_zero(u8_(vm_globals), sizeof(vm_globals));
|
|
|
|
compile_and_run_tape();
|
|
|
|
ms_invalidate_rect(hwnd, NULL, true);
|
|
return 0;
|
|
}
|
|
case MS_WM_PAINT: {
|
|
MS_PAINTSTRUCT ps;
|
|
void* hdc = ms_begin_paint(hwnd, &ps);
|
|
void* hFont = ms_create_font_a(20, 0, 0, 0, 400, 0, 0, 0, 0, 0, 0, 0, 0, "Consolas");
|
|
void* hOldFont = ms_select_object(hdc, hFont);
|
|
|
|
ms_set_bk_color(hdc, 0x001E1E1E);
|
|
S4 start_x = 40, start_y = 60, spacing_x = 110, spacing_y = 35;
|
|
|
|
U4*r tape_ptr = C_(U4*r, tape_arena.start);
|
|
|
|
// Render Tokens
|
|
for (U8 i = 0; i < tape_count; i++) {
|
|
S4 col = (S4)(i % TOKENS_PER_ROW);
|
|
S4 row = (S4)(i / TOKENS_PER_ROW);
|
|
S4 x = start_x + (col * spacing_x);
|
|
S4 y = start_y + (row * spacing_y);
|
|
|
|
if (i == cursor_idx) {
|
|
void* hBrush = ms_get_stock_object(2); // GRAY_BRUSH
|
|
ms_select_object(hdc, hBrush);
|
|
ms_rectangle(hdc, x - 5, y - 2, x + 95, y + 22);
|
|
}
|
|
|
|
U4 t = tape_ptr[i];
|
|
U4 tag = UNPACK_TAG(t);
|
|
U4 val = UNPACK_VAL(t);
|
|
|
|
U4 color = tag_colors[tag];
|
|
const char* prefix = tag_prefixes[tag];
|
|
|
|
ms_set_text_color(hdc, color);
|
|
|
|
char val_str[9];
|
|
u64_to_hex(val, val_str, 6);
|
|
val_str[6] = '\0';
|
|
|
|
// Friendly names for our primitives
|
|
if (tag == tmpl(STag, Imm) || tag == tmpl(STag, Call)) {
|
|
if (val == 0x1) mem_copy(u8_(val_str), u8_("SWAP "), 6);
|
|
if (val == 0x2) mem_copy(u8_(val_str), u8_("MULT "), 6);
|
|
if (val == 0x3) mem_copy(u8_(val_str), u8_("ADD "), 6);
|
|
if (val == 0x4) mem_copy(u8_(val_str), u8_("FETCH "), 6);
|
|
if (val == 0x5) mem_copy(u8_(val_str), u8_("DEC "), 6);
|
|
if (val == 0x6) mem_copy(u8_(val_str), u8_("STORE "), 6);
|
|
if (val == 0x7) mem_copy(u8_(val_str), u8_("RET_IF"), 6);
|
|
if (val == 0xFA) mem_copy(u8_(val_str), u8_("F_STEP"), 6);
|
|
}
|
|
|
|
char out_buf[10];
|
|
out_buf[0] = prefix[0];
|
|
out_buf[1] = ' ';
|
|
mem_copy(u8_(out_buf + 2), u8_(val_str), 6);
|
|
out_buf[8] = '\0';
|
|
|
|
ms_text_out_a(hdc, x, y, out_buf, 8);
|
|
}
|
|
|
|
ms_set_text_color(hdc, 0x00AAAAAA);
|
|
ms_text_out_a(hdc, 40, 20, "x86-64 Machine Code Emitter | 2-Reg Stack + Global Tape | Factorial", 68);
|
|
|
|
// Render VM State
|
|
ms_set_text_color(hdc, 0x00FFFFFF);
|
|
char jit_str[32] = "JIT Size: 0x000 bytes";
|
|
u64_to_hex(code_arena.used, jit_str + 12, 3);
|
|
ms_text_out_a(hdc, 40, 480, jit_str, 21);
|
|
|
|
char state_str[64] = "RAX: 00000000 | RDX: 00000000";
|
|
u64_to_hex(vm_rax, state_str + 5, 8);
|
|
u64_to_hex(vm_rdx, state_str + 21, 8);
|
|
ms_set_text_color(hdc, 0x0033FF33);
|
|
ms_text_out_a(hdc, 40, 510, state_str, 29);
|
|
|
|
ms_set_text_color(hdc, 0x00FFFFFF);
|
|
ms_text_out_a(hdc, 400, 480, "Global Memory (Contiguous Array):", 33);
|
|
for (int i=0; i<4; i++) {
|
|
char glob_str[32] = "[0]: 00000000";
|
|
glob_str[1] = '0' + i;
|
|
u64_to_hex(vm_globals[i], glob_str + 5, 8);
|
|
ms_set_text_color(hdc, 0x00FFFF33);
|
|
ms_text_out_a(hdc, 400, 510 + (i * 25), glob_str, 13);
|
|
}
|
|
|
|
ms_select_object(hdc, hOldFont);
|
|
ms_end_paint(hwnd, &ps);
|
|
return 0;
|
|
}
|
|
case MS_WM_DESTROY: { ms_post_quit_message(0); return 0; }
|
|
}
|
|
return ms_def_window_proc_a(hwnd, msg, wparam, lparam);
|
|
}
|
|
|
|
int main(void) {
|
|
// 1. Initialize Memory Arenas using WinAPI + FArena
|
|
Slice tape_mem = slice_ut_(u8_(ms_virtual_alloc(NULL, 64 * 1024, MS_MEM_COMMIT | MS_MEM_RESERVE, MS_PAGE_READWRITE)), 64 * 1024);
|
|
Slice code_mem = slice_ut_(u8_(ms_virtual_alloc(NULL, 64 * 1024, MS_MEM_COMMIT | MS_MEM_RESERVE, MS_PAGE_EXECUTE_READWRITE)), 64 * 1024);
|
|
if (!tape_mem.ptr || !code_mem.ptr) ms_exit_process(1);
|
|
|
|
farena_init(&tape_arena, tape_mem);
|
|
farena_init(&code_arena, code_mem);
|
|
|
|
// Bootstrap Robust Sample: Factorial State Machine
|
|
scatter(PACK_TOKEN(tmpl(STag, Comment), 0x1111)); // .INIT
|
|
scatter(PACK_TOKEN(tmpl(STag, Data), 5)); // $5
|
|
scatter(PACK_TOKEN(tmpl(STag, Data), 0)); // $0 (Addr)
|
|
scatter(PACK_TOKEN(tmpl(STag, Imm), 0x6)); // ^STORE
|
|
scatter(PACK_TOKEN(tmpl(STag, Data), 1)); // $1
|
|
scatter(PACK_TOKEN(tmpl(STag, Data), 1)); // $1 (Addr)
|
|
scatter(PACK_TOKEN(tmpl(STag, Imm), 0x6)); // ^STORE
|
|
scatter(PACK_TOKEN(tmpl(STag, Comment), 0xFAFA)); // .FAFA
|
|
scatter(PACK_TOKEN(tmpl(STag, Imm), 0xFA)); // ^F_STEP
|
|
scatter(PACK_TOKEN(tmpl(STag, Imm), 0xFA));
|
|
scatter(PACK_TOKEN(tmpl(STag, Imm), 0xFA));
|
|
scatter(PACK_TOKEN(tmpl(STag, Imm), 0xFA));
|
|
scatter(PACK_TOKEN(tmpl(STag, Imm), 0xFA));
|
|
|
|
MS_WNDCLASSA wc;
|
|
memset(&wc, 0, sizeof(wc));
|
|
wc.lpfnWndProc = win_proc;
|
|
wc.hInstance = ms_get_stock_object(0);
|
|
wc.lpszClassName = "ColorForthWindow";
|
|
wc.hbrBackground = ms_get_stock_object(4);
|
|
ms_register_class_a(&wc);
|
|
|
|
void* hwnd = ms_create_window_ex_a(0, wc.lpszClassName, "Sourceless Global Memory Explorer", MS_WS_OVERLAPPEDWINDOW | MS_WS_VISIBLE, 100, 100, 1100, 750, NULL, NULL, wc.hInstance, NULL);
|
|
MS_MSG msg;
|
|
while (ms_get_message_a(&msg, NULL, 0, 0)) { ms_translate_message(&msg); ms_dispatch_message_a(&msg); }
|
|
ms_exit_process(0);
|
|
return 0;
|
|
}
|