fix/boot-to-desktop
fix(dsk,firstInit,build): let the system boot all the way to the desktop
This commit is contained in:
boonxiong2
+80
-1
@@ -950,7 +950,86 @@ static int fat32_write_root_file(const char *name11, const u8 *data, u32 size) {
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}
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} else {
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/* Allocate new clusters */
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if (free_entry < 0) { logl("[DSK] fat32 write: no free dir entry"); return -4; }
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if (free_entry < 0) {
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/* 根目录链里没有空位 —— 按 FAT32 规范扩展目录链：分配一个新簇，
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* 挂到根目录链尾，在新簇的第一个条目里放目录项。（原来这里直接
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* return -4，导致 ESP 根目录一簇写满后 USER.CONF 永远写不进去。） */
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u32 tail = root_clus;
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if (tail < 2) { logl("[DSK] fat32 write: bad root cluster"); return -4; }
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for (;;) {
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u32 nxt = fat32_fat_read_entry(fat_byte_off, tail);
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if (nxt >= 2 && nxt < 0x0FFFFFF8) { tail = nxt; continue; }
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break;
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}
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u32 newdir = fat32_find_free_cluster(fat_byte_off, (fat_sectors * 512) / 4);
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if (newdir == 0) { logl("[DSK] fat32 write: no free cluster for dir growth"); return -3; }
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if (fat32_fat_write_entry(fat_byte_off, newdir, 0x0FFFFFF8) != 0) return -7;
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if (fat32_fat_write_entry(fat_byte_off, tail, newdir) != 0) return -7;
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logh("[DSK] fat32 write: root dir grown, new clus=", newdir);
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/* 新簇整簇清零（0x00 = 目录结束标记），再把目录项写在首项 */
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u8 *nb = g_cluster;
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for (u32 b = 0; b < cluster_bytes; b++) nb[b] = 0;
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fat32_de *nd = (fat32_de *)nb;
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for (int i = 0; i < 11; i++) nd[0].name[i] = name11[i];
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nd[0].attr = 0x20;
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nd[0].ntr = 0; nd[0].ctenth = 0; nd[0].ctime = 0; nd[0].cdate = 0;
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nd[0].adate = 0; nd[0].wtime = 0; nd[0].wdate = 0;
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/* 数据簇先分配好，再填进目录项（与下方 !found 分支同序） */
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u32 dfirst = 0, dprev = 0;
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for (u32 i = 0; i < clusters_needed; i++) {
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u32 newc = fat32_find_free_cluster(fat_byte_off, (fat_sectors * 512) / 4);
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if (newc == 0) { logl("[DSK] fat32 write: no free clusters"); return -3; }
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logh("[DSK] fat32 write: alloc clus=", newc);
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if (fat32_fat_write_entry(fat_byte_off, newc, 0x0FFFFFF8) != 0) return -7;
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if (i == 0) dfirst = newc;
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if (dprev >= 2) {
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if (fat32_fat_write_entry(fat_byte_off, dprev, newc) != 0) return -7;
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}
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dprev = newc;
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}
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nd[0].chigh = (u16)((dfirst >> 16) & 0xFFFF);
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nd[0].clow = (u16)(dfirst & 0xFFFF);
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nd[0].fsize = size;
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u32 nlba = data_lba + (newdir - 2) * spc;
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if (fat32_write_sectors(nlba, spc, nb) != 0) {
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logl("[DSK] fat32 write: new dir cluster write failed");
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return -8;
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}
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/* 写数据簇 */
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u32 rem2 = size;
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const u8 *s2 = data;
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u32 c2 = dfirst;
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u32 ci2 = 0;
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while (c2 >= 2 && c2 < 0x0FFFFFF8 && ci2 < clusters_needed) {
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u32 clba2 = data_lba + (c2 - 2) * spc;
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u32 chunk2 = rem2 < cluster_bytes ? rem2 : cluster_bytes;
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if (fat32_read_sectors(clba2, spc, g_cluster) != 0) return -5;
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for (u32 b = 0; b < chunk2; b++) g_cluster[b] = s2[b];
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for (u32 b = chunk2; b < cluster_bytes; b++) g_cluster[b] = 0;
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if (fat32_write_sectors(clba2, spc, g_cluster) != 0) return -6;
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s2 += chunk2; rem2 -= chunk2; ci2++;
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c2 = fat32_fat_read_entry(fat_byte_off, c2);
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}
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/* FAT 表写回（与下方第 6 步同逻辑：只写 g_disk 缓冲覆盖得到的那些 FAT 副本） */
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{
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u32 max_fat_sectors_in_buffer = (256 - fat_lba) / fat_sectors;
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if (max_fat_sectors_in_buffer > bpb->fc) max_fat_sectors_in_buffer = bpb->fc;
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for (u32 f = 0; f < max_fat_sectors_in_buffer; f++) {
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u32 flba = fat_lba + f * fat_sectors;
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u32 sectors_to_write = fat_sectors;
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if (flba + sectors_to_write > 256) sectors_to_write = 256 - flba;
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if (sectors_to_write > 0 && flba < 256) {
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if (fat32_write_sectors(flba, sectors_to_write, disk + (u64)flba * 512) != 0) return -7;
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}
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}
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}
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return 0; /* 已自行完成写入，跳过下方通用路径 */
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}
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for (u32 i = 0; i < clusters_needed; i++) {
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u32 newc = fat32_find_free_cluster(fat_byte_off, (fat_sectors * 512) / 4);
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if (newc == 0) { logl("[DSK] fat32 write: no free clusters"); return -3; }
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+39
-8
@@ -1132,7 +1132,8 @@ static void draw_wifi_row(u32 *fb, i64 card_x, i64 card_y, setup_net *net, int r
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#define NET_ACT_PASS 5
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#define NET_ACT_SAVE 6
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#define NET_ACT_CONNECT 7
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#define NET_ACT_COUNT 8
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#define NET_ACT_SKIP 8
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#define NET_ACT_COUNT 9
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static void redraw_network_card(u32 *fb, i64 card_x, i64 card_y, setup_net *net, int active, i64 mx, i64 my, u32 bg, u32 fg) {
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u32 card = CARD_BG;
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@@ -1167,6 +1168,13 @@ static void redraw_network_card(u32 *fb, i64 card_x, i64 card_y, setup_net *net,
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stroke_rounded_rect(fb, card_x + 680, card_y + 310, 180, 44, 3, 1, active == NET_ACT_CONNECT ? 0xFF6A8AAA : 0xFF404060);
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fb_text(fb, "Connect", card_x + 725, card_y + 322, 0xFFE0E0E0, btn_bg);
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}
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/* 跳过按钮：联网从不是进系统的前置条件，任何时刻都必须有退路。 */
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{
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u32 btn_bg = active == NET_ACT_SKIP ? 0xFF45454A : 0xFF303034;
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fill_rounded_rect(fb, card_x + 890, card_y + 310, 150, 44, 3, btn_bg);
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stroke_rounded_rect(fb, card_x + 890, card_y + 310, 150, 44, 3, 1, active == NET_ACT_SKIP ? 0xFF6C6C72 : 0xFF38383C);
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fb_text(fb, "Skip", card_x + 935, card_y + 322, 0xFFB0B0B8, btn_bg);
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}
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/* 状态提示 */
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if (net->connected) {
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@@ -1178,6 +1186,7 @@ static void redraw_network_card(u32 *fb, i64 card_x, i64 card_y, setup_net *net,
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}
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fb_text(fb, "Save=save config only", card_x + 470, card_y + 510, 0xFF606068, card);
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fb_text(fb, "Connect=save and connect", card_x + 470, card_y + 535, 0xFF606068, card);
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fb_text(fb, "Skip=set up network later", card_x + 470, card_y + 560, 0xFF606068, card);
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cursor_draw(fb, mx, my);
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}
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@@ -1254,6 +1263,14 @@ static void read_network_page(u32 *fb, i64 card_x, i64 card_y, setup_net *net, i
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for (int i=0;i<30;i++) delay_frame();
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return;
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}
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/* 跳过按钮：不配网络直接进系统（网络留到以后） */
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if (*mx >= card_x + 890 && *mx < card_x + 1040 && *my >= card_y + 310 && *my < card_y + 354) {
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net->connected = 0;
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logl("[FirstInit] network setup skipped by user");
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redraw_network_card(fb, card_x, card_y, net, NET_ACT_SKIP, *mx, *my, bg, fg);
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for (int i=0;i<30;i++) delay_frame();
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return;
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}
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}
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prev_btns = btns;
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continue;
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@@ -1300,6 +1317,13 @@ static void read_network_page(u32 *fb, i64 card_x, i64 card_y, setup_net *net, i
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redraw_network_card(fb, card_x, card_y, net, active, *mx, *my, bg, fg);
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for (int i=0;i<30;i++) delay_frame();
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return;
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} else if (active == NET_ACT_SKIP) {
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/* 不配网络直接进系统（网络留到以后） */
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net->connected = 0;
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logl("[FirstInit] network setup skipped by user");
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redraw_network_card(fb, card_x, card_y, net, active, *mx, *my, bg, fg);
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for (int i=0;i<30;i++) delay_frame();
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return;
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}
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redraw_network_card(fb, card_x, card_y, net, active, *mx, *my, bg, fg);
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continue;
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@@ -1607,13 +1631,20 @@ void dsk_entry(const dsk_boot_context *ctx) {
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net.connected = 0;
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net.ssid[0] = 0;
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net.password[0] = 0;
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/* 始终显示网络设置页面，即使无无线设备也展示页面让用户确认 */
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cursor_bg_valid = 0;
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cursor_cur_x = -100;
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cursor_cur_y = -100;
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logl("[FirstInit] entering network setup page");
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read_network_page(fb, card_x, card_y, &net, &mx, &my, bg, fg);
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logl("[FirstInit] network setup page returned");
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/* 无无线设备则直接跳过网络页：联网从来不是进系统的前置条件，
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* 让用户在一个没有任何可选网络的页面上只能按 Save（或误按 Connect 吃
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* NET-E01 panic）是设计缺陷。有设备时仍展示页面供确认/配置。 */
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if (g_no_wireless_device) {
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logl("[FirstInit] no wireless device; skipping network setup page");
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net.connected = 0;
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} else {
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cursor_bg_valid = 0;
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cursor_cur_x = -100;
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cursor_cur_y = -100;
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logl("[FirstInit] entering network setup page");
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read_network_page(fb, card_x, card_y, &net, &mx, &my, bg, fg);
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logl("[FirstInit] network setup page returned");
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}
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build_user_conf(pc, user, pass, &prefs, &net);
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/* Pass config buffer to DSK via boot context reserved fields */
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@@ -167,17 +167,25 @@ if [[ -z "$p1" || -z "$p2" ]]; then
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exit 1
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fi
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# 簇大小交给 mkfs.vfat 自动选择。
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# ESP 的簇大小必须显式指定为 4 个扇区（2KiB），不能交给 mkfs 自动选。
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#
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# 历史坑一：这里曾经强制 -s 8（4KiB 簇）。256MiB 的 ESP 恰好被算成 65535
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# 个簇（FAT32 的 0xFFF5 边界），该几何下 OVMF(EDK2 FatPkg) 拒挂该卷 ——
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# 现象是 BdsDxe "Not Found"，Shell 里分区只显示 BLKn、没有对应 FS。
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# 对照实验：sidecar（CODE/linux/make_sata_sidecar.sh）用不带 -s 的
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# mkfs.vfat 就一切正常，所以这里也不再手工指定簇大小。
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# 历史坑一（OVMF 挂不上）：曾经写死 -s 8（4KiB 簇）。256MiB 的 ESP 在该几何下
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# 恰好得到 65535 个簇 —— 正是 FAT32 的 0xFFF5 边界 —— OVMF(EDK2 FatPkg) 拒挂
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# 该卷，现象是 BdsDxe "Not Found"，Shell 里分区只有 BLKn 没有 FS。
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#
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# 历史坑二：不要加 -f 1。UEFI 规范建议 ESP 用单 FAT 表，但实测 OVMF 对
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# nfat=1/2 都能挂，加 -f 1 并不能解决上面的问题，反而偏离 sidecar 的行为。
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mkfs.vfat -F 32 -n DESHABBOOT "$p1" >/dev/null
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# 历史坑二（根目录写满）：修坑一时改成不指定 -s 交给 mkfs 自动选，它给出
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# spc=1（512B/簇）。根目录每簇只能放 16 个目录项，而打包进 ESP 根目录的内容
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# （DESHABBOOT/EFI/LIMINE/BOOT/DRIVER/SYSTEM/USER/NVVARS + 它们的 LFN 项）
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# 正好 16 项，根目录链又只有单簇 —— 于是 DSK 首次启动写 USER.CONF 时必然
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# 拿到 "no free dir entry"（-4）→ FS-E02 panic，系统进不去。
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#
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# 256MiB ESP 各档簇大小的安全性（每档都算过）：
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# spc=1 16 项/簇 524288 簇 根目录一簇就满（坑二）
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# spc=4 64 项/簇 131072 簇 ✅ 远离 FAT32 下限 65525 与 0xFFF5 边界
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# spc=8 128 项/簇 65536 簇 ❌ 落在 65535 边界（坑一）
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# spc=16 256 项/簇 32768 簇 ❌ 低于 FAT32 下限 65525
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# 所以固定 -s 4：既让根目录有 64 项余量，又不碰任何边界。
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mkfs.vfat -F 32 -s 4 -n DESHABBOOT "$p1" >/dev/null
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# DSK 内嵌 ext4 读写驱动支持范围：4K block / 256B inode / extent 树，
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# 不支持 journal、metadata_csum、64bit（遇到即 panic FS-E28）——
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# 因此这里必须显式关闭这三个 feature。
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@@ -793,6 +793,55 @@ if (Test-Path $GenTex) {
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}
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}
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}
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# Generate CJK bitmap font packs (.dbf) for the desktop / login / FirstInit.
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# CODE/font/mkfont.py renders a TTF (GB2312 + ASCII by default) into the packed
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# .dbf format read by CODE/font/dbf.h. Same class of artifact as the textures
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# above: generated, gitignored (*.dbf), and therefore MUST be produced here —
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# nothing else in the build regenerates it. Without it the desktop panics with
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# DESK-E04 FONT PACK MISSING ([f32io] read_to rc=-3 on system/font/simhei_16.dbf).
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$GenFont = Join-Path $Root 'CODE\font\mkfont.py'
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$FontTtf = Join-Path $SystemDir 'system\font\simhei.ttf'
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if ((Test-Path $GenFont) -and (Test-Path $FontTtf)) {
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$fontPacks = @(
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@{ Name = 'simhei_16.dbf'; Size = 16 },
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@{ Name = 'simhei_24.dbf'; Size = 24 }
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)
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$fontTodo = @()
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foreach ($fp in $fontPacks) {
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$out = Join-Path $SystemDir ("system\font\" + $fp.Name)
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if (-not (Test-Path $out) -or
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((Get-Item $FontTtf).LastWriteTime -gt (Get-Item $out).LastWriteTime)) {
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$fontTodo += ,@($fp.Name, $fp.Size, $out)
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}
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}
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if ($fontTodo.Count -gt 0) {
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Write-Host "[build] Generating CJK bitmap fonts ($($fontTodo.Count) pack(s))..."
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$Python = $null
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foreach ($p in @('python', 'python3',
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'C:\msys64\mingw64\bin\python.exe')) {
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try { $cmd = Get-Command $p -ErrorAction Stop; $Python = $cmd.Source; break } catch {}
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}
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foreach ($job in $fontTodo) {
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$fname = $job[0]; $fsize = $job[1]; $fout = $job[2]
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$ok = $false
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if ($Python) {
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& $Python $GenFont $FontTtf $fsize $fout
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if ($LASTEXITCODE -eq 0) { $ok = $true }
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}
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if (-not $ok) {
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# Fallback: WSL python3 (has Pillow on this machine)
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$py = ($GenFont -replace '^([A-Za-z]):', '/mnt/$1')
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$tt = ($FontTtf -replace '^([A-Za-z]):', '/mnt/$1')
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$ou = ($fout -replace '^([A-Za-z]):', '/mnt/$1')
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& wsl python3 $py $tt $fsize $ou
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if ($LASTEXITCODE -eq 0) { $ok = $true }
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}
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if (-not $ok) {
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Write-Host "[build] WARNING: font pack generation failed: $fname (desktop will panic DESK-E04)"
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}
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}
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}
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}
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try {
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& $make -C "$DskDir" -f MAKEFILE "CC=$clang" "LD=$lld"
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if ($LASTEXITCODE -ne 0) {
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+5
-3
@@ -44,7 +44,7 @@
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| e1000 | ✅ | RX/TX + DHCP/ARP/UDP/DNS（polling） | — |
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| virtio_net | ✅ | legacy split-ring virtqueue（desc/avail/used）+ vq_setup + 32×2048B RX 缓冲 + TX/RX 环 + DHCP DISCOVER→OFFER selftest；VNET-E01/E02 零降级插桩。无设备时 WARN 后正常 ready（设计内回退） | `CODE/DKM/virtio_net/virtio_net.c`；未挂设备时串口 `[virtio_net] virtio-net device not found` → `driver ready` |
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| 热卸载（D1） | ⬜ | 仅有 NO_UNLOAD 标志与状态机文档 | — |
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| 按名 API 导出表（D3） | ⬜ | 固定偏移 struct ABI | `CODE/sdk/include/deshab/kernel_api.h` |
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| 按名 API 导出表（D3） | ✅ | `dkm_kapi_table`（magic/version/count/entries/lookup）挂在 `kernel_api->kapi` 尾部（ABI 兼容追加）；14 条按名导出（log.*/dma.alloc_pages/irq.register/irq.vector_*/mm.map_mmio/mm.unmap_mmio/apic.register_eoi/drr.*/utrw.debug_dump）；selftest 含正例调用 + 未命中负例 + TST-E21..E24 插桩 | `CODE/UTSM/dkm/kernel_api.c` + `test/utsm_selftest.c`（需 FUCK `[boot] selftest=2` 才执行该段） |
|
||||
| 彩色日志（D4） | ✅ | `dkm_log_set_driver`（驱动名 FNV hash → 8 色调色板，确定可复现）；init 期间驱动日志带 ANSI 色（仅串口，BOOTLOG 纯文本）；FUCK `[debug] color_log` 总开关 | `.build_tmp/qemu_serial_d4color.log`（1150 彩色行） |
|
||||
|
||||
## DSK 主内核 / 用户态
|
||||
@@ -52,7 +52,7 @@
|
||||
| 子系统 | 状态 | 边界/说明 | 证据 |
|
||||
|--------|------|----------|------|
|
||||
| 启动 Logo（静态莲花） | ✅ | 旋转加载环已移除 | QEMU 现象 |
|
||||
| FirstInit 向导 | 🔶 | 输入+SHA256+写盘闭环；按键崩溃未复现（B6） | `.build_tmp/qemu_serial_b6.log` |
|
||||
| FirstInit 向导 | ✅ | 输入+SHA256+写盘闭环；**联网不是进系统的前置条件**：检测到无无线设备直接跳过网络页，有设备时提供 Skip 按钮（渲染+鼠标+键盘三路），Connect 仍为零降级 NET-E01 panic | `.build_tmp/d2.log`（`no wireless device; skipping network setup page` → `USER.CONF` → login → desktop）|
|
||||
| 可跳过 FirstInit（F5） | ✅ | `[dsk] skip_firstinit=1` 直达 desktop，跳过向导与登录 | `.build_tmp/qemu_serial_f1f4f5.log` |
|
||||
| mouseInit（PS/2 鼠标） | ✅ | IRQ12 + 包解码 + 光标（M1） | `.build_tmp/qemu_serial_mouse.log` |
|
||||
| desktop.elf | ✅ | 三页面+窗口+任务栏+双缓冲；打字机效果已删（整屏一次绘制）；DSK-E01 fatal 插桩 | — |
|
||||
@@ -81,7 +81,9 @@
|
||||
| 项 | 状态 | 说明 | 证据 |
|
||||
|----|------|------|------|
|
||||
| ext4 读写驱动（CODE/dsk/ext4.c） | ✅ | GPT 定位 p2 + feature 校验 + extent 树(depth0/1)读写 + 块/inode 分配回收 + 目录项插入 + 写后回读校验；启动自检 PASS | `.build_tmp/qemu_run.log`（[EXT4] selftest PASS） |
|
||||
| FAT32 大盘写修复 | ✅ | 按需 FAT 表项 RMW（fat32_fat_read/write_entry）+ 块状空闲簇扫描（fat32_find_free_cluster）；修复 rec_len +4 收缩偏移与 chunk 对齐两处错位 | 同上（USER.CONF verify ok → firstInit.txt flip ok） |
|
||||
| FAT32 大盘写修复 | ✅ | 按需 FAT 表项 RMW（fat32_fat_read/write_entry）+ 块状空闲簇扫描（fat32_find_free_cluster）；修复 rec_len +4 收缩偏移与 chunk 对齐两处错位；**根目录链满时自动扩展**（分配新簇挂链尾后写条目，不再直接 `-4` no free dir entry）| 同上（USER.CONF verify ok → firstInit.txt flip ok）|
|
||||
| ESP 簇大小（打包侧） | ✅ | `-s 4`（2KiB 簇 / 64 目录项）固定：避开 `spc=8` 的 65535 簇 OVMF 拒绝边界，也避开 `spc=16` 的 FAT32 下限，同时给 ESP 根目录留出 64 项余量（`spc=1` 只有 16 项，打包内容正好塞满导致首次启动写 USER.CONF 必失败）| `CODE/linux/pack_system_image.sh`；`.build_tmp/d2.log` |
|
||||
| 中文字体位图字库（.dbf） | ✅ | `build.ps1` 调用 `CODE/font/mkfont.py` 由 `simhei.ttf` 生成 `simhei_16.dbf` / `simhei_24.dbf`（GB2312+ASCII）；此前无人生成，桌面必 panic DESK-E04 FONT PACK MISSING | `.build_tmp/d2.log`（`[zhfont] dbf loaded (16px ok)` → `desktop ready`）|
|
||||
| FS-E01..E07 / FS-E2x / FS-E3x 插桩 | ✅ | 写失败/校验不符/feature 不支持/路径缺失 → 莲花 panic 零降级 | `.build_tmp/qemu_run.log`（FS-E02/E06/E22 复现） |
|
||||
| 向导后强制重登 | ✅ | first-boot 分支 FirstInit→persist→login；登录跳过/失败 → FS-E06 panic | 同上（login success → desktop ready） |
|
||||
| NET-E01 网络页 Connect panic | ✅ | 无 wlan 栈，Connect 即 panic；Save(仅存配置) 为唯一前进路径 | 同上（NET-E01 复现，fb pmemsave 确认莲花屏） |
|
||||
|
||||
Reference in New Issue
Block a user