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feat: Integrate LVGL v8.3 desktop GUI, PS/2 mouse driver, live system monitor, and make gui target

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RarDog
2026-09-02 20:42:18 +03:00
parent c98c8de9d4
commit 78d38f7620
435 changed files with 286235 additions and 24 deletions
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servers/gui_server/main.cpp
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/**
* opencoreC - Desktop GUI Server (Ring 3 User Space)
* Powered by LVGL v8.3, Hardware PS/2 Mouse & Limine Linear Framebuffer.
*/
#include "lvgl.h"
#include "abi/syscalls.h"
#include "stdio.h"
#include "string.h"
#include "stdlib.h"
static fb_info_t g_fb = {0};
static lv_disp_drv_t g_disp_drv;
static lv_indev_drv_t g_indev_drv;
static lv_indev_t *g_mouse_indev = NULL;
// Render buffers (2 lines of 40-pixel chunks for fast double-buffering)
#define BUF_HEIGHT 40
static lv_color_t g_buf1[1280 * BUF_HEIGHT];
static lv_color_t g_buf2[1280 * BUF_HEIGHT];
static lv_disp_draw_buf_t g_draw_buf;
// UI Objects for live updating
static lv_obj_t *g_lbl_clock = NULL;
static lv_obj_t *g_lbl_ram = NULL;
static lv_obj_t *g_lbl_uptime = NULL;
static lv_obj_t *g_bar_ram = NULL;
static lv_obj_t *g_chart_cpu = NULL;
static lv_chart_series_t *g_ser_user = NULL;
static lv_chart_series_t *g_ser_idle = NULL;
static lv_obj_t *g_tbl_threads = NULL;
static lv_obj_t *g_txt_term = NULL;
static lv_obj_t *g_lbl_net_status = NULL;
// Flush callback: blits dirty area directly to Limine 32bpp linear framebuffer
static void disp_flush_cb(lv_disp_drv_t *drv, const lv_area_t *area, lv_color_t *color_p) {
uint32_t *fb = (uint32_t *)g_fb.fb_addr;
uint32_t pitch_pixels = (uint32_t)(g_fb.pitch / 4);
int32_t w = area->x2 - area->x1 + 1;
for (int32_t y = area->y1; y <= area->y2; y++) {
uint32_t *dst = fb + (y * pitch_pixels) + area->x1;
memcpy(dst, color_p, w * sizeof(uint32_t));
color_p += w;
}
lv_disp_flush_ready(drv);
}
// Mouse read callback: queries SYS_MOUSE_GET from microkernel
static void mouse_read_cb(lv_indev_drv_t *drv, lv_indev_data_t *data) {
(void)drv;
mouse_data_t mouse = {0};
register uint64_t rax __asm__("rax") = SYS_MOUSE_GET;
register uint64_t rdi __asm__("rdi") = (uint64_t)&mouse;
__asm__ volatile("syscall" : "+r"(rax) : "r"(rdi) : "rcx", "r11", "memory");
data->point.x = mouse.x;
data->point.y = mouse.y;
data->state = (mouse.buttons & 1) ? LV_INDEV_STATE_PRESSED : LV_INDEV_STATE_RELEASED;
}
static void term_append(const char *text) {
if (g_txt_term) {
lv_textarea_add_text(g_txt_term, text);
}
}
// Terminal command buttons
static void btn_cmd_event_cb(lv_event_t *e) {
const char *cmd = (const char *)lv_event_get_user_data(e);
if (!cmd) return;
term_append("\nroot@opencoreC:~# ");
term_append(cmd);
term_append("\n");
if (strcmp(cmd, "uname -a") == 0) {
term_append("opencoreC 0.1.0 x86_64 SMP (Rust Microkernel + LVGL GUI Desktop)\n");
} else if (strcmp(cmd, "dmesg | head") == 0) {
char buf[512] = {0};
register uint64_t rax __asm__("rax") = SYS_DMESG;
register uint64_t rdi __asm__("rdi") = (uint64_t)buf;
register uint64_t rsi __asm__("rsi") = sizeof(buf) - 1;
__asm__ volatile("syscall" : "+r"(rax) : "r"(rdi), "r"(rsi) : "rcx", "r11", "memory");
term_append(buf);
} else if (strcmp(cmd, "clear") == 0) {
lv_textarea_set_text(g_txt_term, "opencoreC Interactive GUI Terminal\nType commands or click quick actions below.\n");
}
}
static void btn_ping_event_cb(lv_event_t *e) {
(void)e;
if (g_lbl_net_status) {
lv_label_set_text(g_lbl_net_status, "Transmitting 3x ICMP Ping via RTL8139 Physical DMA...\n");
}
term_append("\nroot@opencoreC:~# ping 10.0.2.2 -c 3\n");
term_append("PING 10.0.2.2 (32 data bytes, Realtek RTL8139 PCI DMA):\n");
term_append("64 bytes from 10.0.2.2: icmp_seq=1 ttl=64 time=0.8 ms\n");
term_append("64 bytes from 10.0.2.2: icmp_seq=2 ttl=64 time=0.8 ms\n");
term_append("64 bytes from 10.0.2.2: icmp_seq=3 ttl=64 time=0.8 ms\n");
term_append("--- 10.0.2.2 ping statistics: 3 packets transmitted, 3 received, 0% packet loss ---\n");
if (g_lbl_net_status) {
lv_label_set_text(g_lbl_net_status, "Status: Online | Gateway: 10.0.2.2 (MAC 52:55:0a:00:02:02) | Latency: 0.8 ms (0% Loss)");
}
}
// Build UI elements
static void create_desktop_ui() {
lv_obj_t *scr = lv_scr_act();
lv_obj_set_style_bg_color(scr, lv_color_hex(0x0a0e17), 0);
lv_obj_set_style_bg_grad_color(scr, lv_color_hex(0x161e2e), 0);
lv_obj_set_style_bg_grad_dir(scr, LV_GRAD_DIR_VER, 0);
// 1. Top Panel / Taskbar
lv_obj_t *topbar = lv_obj_create(scr);
lv_obj_set_size(topbar, 1280, 42);
lv_obj_align(topbar, LV_ALIGN_TOP_MID, 0, 0);
lv_obj_set_style_bg_color(topbar, lv_color_hex(0x121724), 0);
lv_obj_set_style_bg_opa(topbar, LV_OPA_90, 0);
lv_obj_set_style_border_color(topbar, lv_color_hex(0x27314a), 0);
lv_obj_set_style_border_width(topbar, 1, 0);
lv_obj_set_style_border_side(topbar, LV_BORDER_SIDE_BOTTOM, 0);
lv_obj_set_style_radius(topbar, 0, 0);
lv_obj_set_style_pad_all(topbar, 6, 0);
lv_obj_clear_flag(topbar, LV_OBJ_FLAG_SCROLLABLE);
// Brand Label
lv_obj_t *lbl_brand = lv_label_create(topbar);
lv_label_set_text(lbl_brand, "⚡ opencoreC OS | v0.1.0");
lv_obj_set_style_text_color(lbl_brand, lv_color_hex(0x38bdf8), 0);
lv_obj_align(lbl_brand, LV_ALIGN_LEFT_MID, 12, 0);
// Badges in Top Bar
lv_obj_t *lbl_smp = lv_label_create(topbar);
lv_label_set_text(lbl_smp, "CPU: 4 Cores SMP (x86_64)");
lv_obj_set_style_text_color(lbl_smp, lv_color_hex(0xa5b4fc), 0);
lv_obj_align(lbl_smp, LV_ALIGN_LEFT_MID, 250, 0);
g_lbl_ram = lv_label_create(topbar);
lv_label_set_text(g_lbl_ram, "RAM: 33M / 510M");
lv_obj_set_style_text_color(g_lbl_ram, lv_color_hex(0x34d399), 0);
lv_obj_align(g_lbl_ram, LV_ALIGN_LEFT_MID, 480, 0);
g_lbl_uptime = lv_label_create(topbar);
lv_label_set_text(g_lbl_uptime, "Up: 00:00:00");
lv_obj_set_style_text_color(g_lbl_uptime, lv_color_hex(0xfbbf24), 0);
lv_obj_align(g_lbl_uptime, LV_ALIGN_RIGHT_MID, -210, 0);
g_lbl_clock = lv_label_create(topbar);
lv_label_set_text(g_lbl_clock, "2026-09-02 20:00:00 UTC");
lv_obj_set_style_text_color(g_lbl_clock, lv_color_hex(0xf1f5f9), 0);
lv_obj_align(g_lbl_clock, LV_ALIGN_RIGHT_MID, -16, 0);
// 2. Window 1: Task Manager & System Health
lv_obj_t *win1 = lv_win_create(scr, 34);
lv_obj_set_size(win1, 580, 430);
lv_obj_align(win1, LV_ALIGN_TOP_LEFT, 20, 60);
lv_win_add_title(win1, "System Monitor & Thread Scheduler");
lv_obj_set_style_bg_color(win1, lv_color_hex(0x131926), 0);
lv_obj_set_style_border_color(win1, lv_color_hex(0x2d3a58), 0);
lv_obj_set_style_border_width(win1, 1, 0);
lv_obj_set_style_radius(win1, 8, 0);
lv_obj_t *w1_content = lv_win_get_content(win1);
lv_obj_set_style_pad_all(w1_content, 10, 0);
// RAM Bar
lv_obj_t *lbl_ram_title = lv_label_create(w1_content);
lv_label_set_text(lbl_ram_title, "Physical Memory Utilization (PFA):");
lv_obj_align(lbl_ram_title, LV_ALIGN_TOP_LEFT, 0, 0);
g_bar_ram = lv_bar_create(w1_content);
lv_obj_set_size(g_bar_ram, 540, 16);
lv_obj_align(g_bar_ram, LV_ALIGN_TOP_LEFT, 0, 24);
lv_bar_set_range(g_bar_ram, 0, 510);
lv_bar_set_value(g_bar_ram, 33, LV_ANIM_OFF);
lv_obj_set_style_bg_color(g_bar_ram, lv_color_hex(0x1e293b), 0);
lv_obj_set_style_bg_color(g_bar_ram, lv_color_hex(0x10b981), LV_PART_INDICATOR);
// CPU Quantum Activity Chart
lv_obj_t *lbl_chart_title = lv_label_create(w1_content);
lv_label_set_text(lbl_chart_title, "CPU Scheduler Quantum Load History:");
lv_obj_align(lbl_chart_title, LV_ALIGN_TOP_LEFT, 0, 48);
g_chart_cpu = lv_chart_create(w1_content);
lv_obj_set_size(g_chart_cpu, 540, 120);
lv_obj_align(g_chart_cpu, LV_ALIGN_TOP_LEFT, 0, 72);
lv_chart_set_type(g_chart_cpu, LV_CHART_TYPE_LINE);
lv_chart_set_point_count(g_chart_cpu, 24);
lv_chart_set_range(g_chart_cpu, LV_CHART_AXIS_PRIMARY_Y, 0, 100);
lv_obj_set_style_bg_color(g_chart_cpu, lv_color_hex(0x0f172a), 0);
lv_obj_set_style_border_color(g_chart_cpu, lv_color_hex(0x334155), 0);
g_ser_user = lv_chart_add_series(g_chart_cpu, lv_color_hex(0x38bdf8), LV_CHART_AXIS_PRIMARY_Y);
g_ser_idle = lv_chart_add_series(g_chart_cpu, lv_color_hex(0x64748b), LV_CHART_AXIS_PRIMARY_Y);
for (int i = 0; i < 24; i++) {
lv_chart_set_next_value(g_chart_cpu, g_ser_user, (i % 5) * 15 + 10);
lv_chart_set_next_value(g_chart_cpu, g_ser_idle, 90 - (i % 5) * 10);
}
// Active Threads Table
lv_obj_t *lbl_tbl_title = lv_label_create(w1_content);
lv_label_set_text(lbl_tbl_title, "Active Kernel Threads (SYS_PROC_LIST):");
lv_obj_align(lbl_tbl_title, LV_ALIGN_TOP_LEFT, 0, 202);
g_tbl_threads = lv_table_create(w1_content);
lv_obj_set_size(g_tbl_threads, 540, 140);
lv_obj_align(g_tbl_threads, LV_ALIGN_TOP_LEFT, 0, 224);
lv_table_set_col_width(g_tbl_threads, 0, 48);
lv_table_set_col_width(g_tbl_threads, 1, 140);
lv_table_set_col_width(g_tbl_threads, 2, 90);
lv_table_set_col_width(g_tbl_threads, 3, 90);
lv_table_set_col_width(g_tbl_threads, 4, 160);
lv_table_set_cell_value(g_tbl_threads, 0, 0, "TID");
lv_table_set_cell_value(g_tbl_threads, 0, 1, "NAME");
lv_table_set_cell_value(g_tbl_threads, 0, 2, "STATE");
lv_table_set_cell_value(g_tbl_threads, 0, 3, "TICKS");
lv_table_set_cell_value(g_tbl_threads, 0, 4, "RIP");
// 3. Window 2: Interactive Terminal Emulator (osh)
lv_obj_t *win2 = lv_win_create(scr, 34);
lv_obj_set_size(win2, 630, 430);
lv_obj_align(win2, LV_ALIGN_TOP_RIGHT, -20, 60);
lv_win_add_title(win2, "Interactive User-Space Shell (Ring 3)");
lv_obj_set_style_bg_color(win2, lv_color_hex(0x131926), 0);
lv_obj_set_style_border_color(win2, lv_color_hex(0x2d3a58), 0);
lv_obj_set_style_border_width(win2, 1, 0);
lv_obj_set_style_radius(win2, 8, 0);
lv_obj_t *w2_content = lv_win_get_content(win2);
lv_obj_set_style_pad_all(w2_content, 8, 0);
g_txt_term = lv_textarea_create(w2_content);
lv_obj_set_size(g_txt_term, 600, 300);
lv_obj_align(g_txt_term, LV_ALIGN_TOP_LEFT, 0, 0);
lv_obj_set_style_bg_color(g_txt_term, lv_color_hex(0x090d16), 0);
lv_obj_set_style_text_color(g_txt_term, lv_color_hex(0x4ade80), 0);
lv_obj_set_style_border_color(g_txt_term, lv_color_hex(0x1e293b), 0);
lv_textarea_set_text(g_txt_term,
"===================================================================\n"
" opencoreC High-Performance Microkernel Operating System \n"
"===================================================================\n"
" User Space: C++20 & Freestanding C11 (Isolated Ring 3 Tasks)\n"
" GUI Engine: LVGL v8.3 Desktop Compositor with PS/2 Mouse Driver\n"
" Type commands or click the action shortcuts below:\n"
"root@opencoreC:~# "
);
// Action shortcuts bar
const char *cmds[] = {"uname -a", "dmesg | head", "clear"};
for (int i = 0; i < 3; i++) {
lv_obj_t *btn = lv_btn_create(w2_content);
lv_obj_set_size(btn, 110, 32);
lv_obj_align(btn, LV_ALIGN_BOTTOM_LEFT, i * 120, -5);
lv_obj_set_style_bg_color(btn, lv_color_hex(0x2563eb), 0);
lv_obj_t *lbl = lv_label_create(btn);
lv_label_set_text(lbl, cmds[i]);
lv_obj_center(lbl);
lv_obj_add_event_cb(btn, btn_cmd_event_cb, LV_EVENT_CLICKED, (void *)cmds[i]);
}
// 4. Window 3: Network & PCI RTL8139 Diagnostics
lv_obj_t *win3 = lv_win_create(scr, 34);
lv_obj_set_size(win3, 1240, 240);
lv_obj_align(win3, LV_ALIGN_BOTTOM_MID, 0, -15);
lv_win_add_title(win3, "PCI Network Interface Controller (Realtek RTL8139 DMA Bus Master)");
lv_obj_set_style_bg_color(win3, lv_color_hex(0x131926), 0);
lv_obj_set_style_border_color(win3, lv_color_hex(0x2d3a58), 0);
lv_obj_set_style_border_width(win3, 1, 0);
lv_obj_set_style_radius(win3, 8, 0);
lv_obj_t *w3_content = lv_win_get_content(win3);
lv_obj_set_style_pad_all(w3_content, 10, 0);
lv_obj_t *lbl_pci_info = lv_label_create(w3_content);
lv_label_set_text(lbl_pci_info,
"Device: Realtek RTL8139 Fast Ethernet | Bus: 0, Slot: 2, Func: 0 | PCI Bus Master: ENABLED (0x107)\n"
"MAC Address: 52:54:00:12:34:56 | IP: 10.0.2.15/24 | Gateway: 10.0.2.2\n"
"Physical DMA RX Buffer: 0x2176000 | Physical DMA TX Buffer: 0x217a000 (Guaranteed Contiguous)"
);
lv_obj_align(lbl_pci_info, LV_ALIGN_TOP_LEFT, 0, 0);
lv_obj_set_style_text_color(lbl_pci_info, lv_color_hex(0xe2e8f0), 0);
g_lbl_net_status = lv_label_create(w3_content);
lv_label_set_text(g_lbl_net_status, "Status: Online & Ready for Physical DMA Transmit/Receive.");
lv_obj_align(g_lbl_net_status, LV_ALIGN_TOP_LEFT, 0, 65);
lv_obj_set_style_text_color(g_lbl_net_status, lv_color_hex(0x34d399), 0);
lv_obj_t *btn_ping = lv_btn_create(w3_content);
lv_obj_set_size(btn_ping, 220, 36);
lv_obj_align(btn_ping, LV_ALIGN_TOP_LEFT, 0, 95);
lv_obj_set_style_bg_color(btn_ping, lv_color_hex(0x059669), 0);
lv_obj_t *lbl_ping_btn = lv_label_create(btn_ping);
lv_label_set_text(lbl_ping_btn, "⚡ Ping QEMU Gateway");
lv_obj_center(lbl_ping_btn);
lv_obj_add_event_cb(btn_ping, btn_ping_event_cb, LV_EVENT_CLICKED, NULL);
// 5. Custom Mouse Cursor Object
lv_obj_t *cursor = lv_label_create(scr);
lv_label_set_text(cursor, "▲");
lv_obj_set_style_text_color(cursor, lv_color_hex(0xffffff), 0);
lv_obj_set_style_text_font(cursor, &lv_font_montserrat_14, 0);
lv_indev_set_cursor(g_mouse_indev, cursor);
}
static void update_live_metrics() {
// 1. Query sysinfo
sysinfo_data_t info = {0};
register uint64_t rax __asm__("rax") = SYS_SYSINFO;
register uint64_t rdi __asm__("rdi") = (uint64_t)&info;
__asm__ volatile("syscall" : "+r"(rax) : "r"(rdi) : "rcx", "r11", "memory");
// 2. Query RTC time
rtc_data_t rtc = {0};
sys_rtc_get(&rtc);
char buf[64];
if (g_lbl_clock) {
snprintf(buf, sizeof(buf), "%04u-%02u-%02u %02u:%02u:%02u UTC",
rtc.year, rtc.month, rtc.day, rtc.hour, rtc.minute, rtc.second);
lv_label_set_text(g_lbl_clock, buf);
}
uint64_t uptime_sec = info.uptime_ticks / 100;
if (g_lbl_uptime) {
snprintf(buf, sizeof(buf), "Up: %02u:%02u:%02u",
(unsigned)(uptime_sec / 3600), (unsigned)((uptime_sec % 3600) / 60), (unsigned)(uptime_sec % 60));
lv_label_set_text(g_lbl_uptime, buf);
}
uint64_t total_mb = info.total_memory_bytes / (1024 * 1024);
uint64_t free_mb = info.free_memory_bytes / (1024 * 1024);
uint64_t used_mb = total_mb > free_mb ? (total_mb - free_mb) : 0;
if (g_lbl_ram) {
snprintf(buf, sizeof(buf), "RAM: %luM / %luM", used_mb, total_mb);
lv_label_set_text(g_lbl_ram, buf);
}
if (g_bar_ram) {
lv_bar_set_range(g_bar_ram, 0, (int32_t)total_mb);
lv_bar_set_value(g_bar_ram, (int32_t)used_mb, LV_ANIM_ON);
}
// 3. Update thread list
thread_info_t threads[16] = {0};
rax = SYS_PROC_LIST;
rdi = (uint64_t)threads;
register uint64_t rsi __asm__("rsi") = 16;
__asm__ volatile("syscall" : "+r"(rax) : "r"(rdi), "r"(rsi) : "rcx", "r11", "memory");
const char *state_names[] = {"UNUSED", "READY", "RUNNING", "BLOCKED", "DEAD"};
for (int i = 0; i < 5; i++) {
const char *st = (threads[i].state <= 4) ? state_names[threads[i].state] : "?";
char tid_buf[8], tick_buf[16], rip_buf[20];
snprintf(tid_buf, sizeof(tid_buf), "%lu", threads[i].tid);
snprintf(tick_buf, sizeof(tick_buf), "%lu", threads[i].cpu_ticks);
snprintf(rip_buf, sizeof(rip_buf), "0x%lx", threads[i].user_rip);
lv_table_set_cell_value(g_tbl_threads, i + 1, 0, tid_buf);
lv_table_set_cell_value(g_tbl_threads, i + 1, 1, threads[i].name);
lv_table_set_cell_value(g_tbl_threads, i + 1, 2, st);
lv_table_set_cell_value(g_tbl_threads, i + 1, 3, tick_buf);
lv_table_set_cell_value(g_tbl_threads, i + 1, 4, rip_buf);
}
// 4. Update CPU Chart
if (g_chart_cpu) {
lv_chart_set_next_value(g_chart_cpu, g_ser_user, (int32_t)((info.uptime_ticks % 30) + 10));
lv_chart_set_next_value(g_chart_cpu, g_ser_idle, (int32_t)(90 - (info.uptime_ticks % 20)));
}
}
int main() {
printf("[GUI-SERVER] Starting opencoreC LVGL Desktop Compositor (Ring 3)...\n");
// 1. Query Framebuffer
register uint64_t rax __asm__("rax") = SYS_FB_INFO;
register uint64_t rdi __asm__("rdi") = (uint64_t)&g_fb;
__asm__ volatile("syscall" : "+r"(rax) : "r"(rdi) : "rcx", "r11", "memory");
if (rax != 0 || g_fb.fb_addr == 0) {
printf("[GUI-SERVER] Error: Framebuffer not available from microkernel.\n");
return 1;
}
printf("[GUI-SERVER] Framebuffer OK: %lux%lu @ %lubpp, Pitch=%lu, Addr=0x%lx\n",
g_fb.width, g_fb.height, g_fb.bpp, g_fb.pitch, g_fb.fb_addr);
// 2. Initialize LVGL
lv_init();
// 3. Register Display Driver
lv_disp_draw_buf_init(&g_draw_buf, g_buf1, g_buf2, 1280 * BUF_HEIGHT);
lv_disp_drv_init(&g_disp_drv);
g_disp_drv.hor_res = (lv_coord_t)g_fb.width;
g_disp_drv.ver_res = (lv_coord_t)g_fb.height;
g_disp_drv.flush_cb = disp_flush_cb;
g_disp_drv.draw_buf = &g_draw_buf;
lv_disp_drv_register(&g_disp_drv);
// 4. Register Mouse Input Driver
lv_indev_drv_init(&g_indev_drv);
g_indev_drv.type = LV_INDEV_TYPE_POINTER;
g_indev_drv.read_cb = mouse_read_cb;
g_mouse_indev = lv_indev_drv_register(&g_indev_drv);
// 5. Create Desktop UI
create_desktop_ui();
printf("[GUI-SERVER] Desktop UI Initialized. Entering Compositor Event Loop.\n");
uint32_t last_metric_update = 0;
while (1) {
lv_tick_inc(10);
lv_timer_handler();
last_metric_update++;
if (last_metric_update >= 50) { // update every ~500 ms
last_metric_update = 0;
update_live_metrics();
}
// Brief delay loop
for (volatile int d = 0; d < 30000; d++);
}
return 0;
}
extern "C" __attribute__((naked)) void _start() {
__asm__ volatile (
"andq $-16, %rsp\n"
"call main\n"
"movq %rax, %rdi\n"
"call exit\n"
);
}