Optimization for FreeBSD distro.

diff --git a/GRUB2/MOD_SRC/grub-2.04/grub-core/ventoy/ventoy_cmd.c b/GRUB2/MOD_SRC/grub-2.04/grub-core/ventoy/ventoy_cmd.c
index ea53303cf3cd84c0b756fa827d20f153a3c54523..296c0feaea5264eb596f0b47e0e241ec8984b322 100644 (file)
--- a/GRUB2/MOD_SRC/grub-2.04/grub-core/ventoy/ventoy_cmd.c
+++ b/GRUB2/MOD_SRC/grub-2.04/grub-core/ventoy/ventoy_cmd.c
@@ -5253,6 +5253,7 @@ static cmd_para ventoy_cmds[] =
     { "vt_unix_reset", ventoy_cmd_unix_reset, 0, NULL, "", "", NULL },
     { "vt_unix_replace_conf", ventoy_cmd_unix_replace_conf, 0, NULL, "", "", NULL },
     { "vt_unix_replace_ko", ventoy_cmd_unix_replace_ko, 0, NULL, "", "", NULL },
+    { "vt_unix_ko_fillmap", ventoy_cmd_unix_ko_fillmap, 0, NULL, "", "", NULL },
     { "vt_unix_fill_image_desc", ventoy_cmd_unix_fill_image_desc, 0, NULL, "", "", NULL },
     { "vt_unix_gzip_new_ko", ventoy_cmd_unix_gzip_newko, 0, NULL, "", "", NULL },
     { "vt_unix_chain_data", ventoy_cmd_unix_chain_data, 0, NULL, "", "", NULL },

diff --git a/GRUB2/MOD_SRC/grub-2.04/grub-core/ventoy/ventoy_def.h b/GRUB2/MOD_SRC/grub-2.04/grub-core/ventoy/ventoy_def.h
index 82428770fff4ef6343587c3489f92e70c407dc50..28817ba1574f8eccdbfb16dd89c684717fc9daa8 100644 (file)
--- a/GRUB2/MOD_SRC/grub-2.04/grub-core/ventoy/ventoy_def.h
+++ b/GRUB2/MOD_SRC/grub-2.04/grub-core/ventoy/ventoy_def.h
@@ -1088,6 +1088,7 @@ int ventoy_get_disk_guid(const char *filename, grub_uint8_t *guid, grub_uint8_t
 grub_err_t ventoy_cmd_unix_reset(grub_extcmd_context_t ctxt, int argc, char **args);
 grub_err_t ventoy_cmd_unix_replace_conf(grub_extcmd_context_t ctxt, int argc, char **args);
 grub_err_t ventoy_cmd_unix_replace_ko(grub_extcmd_context_t ctxt, int argc, char **args);
+grub_err_t ventoy_cmd_unix_ko_fillmap(grub_extcmd_context_t ctxt, int argc, char **args);
 grub_err_t ventoy_cmd_unix_fill_image_desc(grub_extcmd_context_t ctxt, int argc, char **args);
 grub_err_t ventoy_cmd_unix_gzip_newko(grub_extcmd_context_t ctxt, int argc, char **args);
 grub_err_t ventoy_cmd_unix_freebsd_ver(grub_extcmd_context_t ctxt, int argc, char **args);
@@ -1128,5 +1129,27 @@ int ventoy_chain_file_read(const char *path, int offset, int len, void *buf);
 
 extern ventoy_grub_param *g_grub_param;
 
+#pragma pack(1)
+#define VENTOY_UNIX_SEG_MAGIC0    0x11223344
+#define VENTOY_UNIX_SEG_MAGIC1    0x55667788
+#define VENTOY_UNIX_SEG_MAGIC2    0x99aabbcc
+#define VENTOY_UNIX_SEG_MAGIC3    0xddeeff00
+#define VENTOY_UNIX_MAX_SEGNUM    40960
+struct g_ventoy_seg {
+    grub_uint64_t seg_start_bytes;
+    grub_uint64_t seg_end_bytes;
+};
+
+struct g_ventoy_map{
+    grub_uint32_t magic1[4];
+    grub_uint32_t magic2[4];
+    grub_uint64_t segnum;
+    grub_uint64_t disksize;
+    grub_uint8_t diskuuid[16];
+    struct g_ventoy_seg seglist[VENTOY_UNIX_MAX_SEGNUM];
+    grub_uint32_t magic3[4];
+};
+#pragma pack()
+
 #endif /* __VENTOY_DEF_H__ */
 

diff --git a/GRUB2/MOD_SRC/grub-2.04/grub-core/ventoy/ventoy_unix.c b/GRUB2/MOD_SRC/grub-2.04/grub-core/ventoy/ventoy_unix.c
index 179739b2a41f53464fad8e7eb2043809472fe3ac..0eac9e41d5b9ad4a53c0cbab94a81da5a7d5e6e5 100644 (file)
--- a/GRUB2/MOD_SRC/grub-2.04/grub-core/ventoy/ventoy_unix.c
+++ b/GRUB2/MOD_SRC/grub-2.04/grub-core/ventoy/ventoy_unix.c
@@ -47,6 +47,11 @@ char *g_conf_new_data = NULL;
 int g_mod_new_len = 0;
 char *g_mod_new_data = NULL;
 
+int g_mod_search_magic = 0;
+
+int g_ko_fillmap_len = 0;
+char *g_ko_fillmap_data = NULL;
+
 grub_uint64_t g_mod_override_offset = 0;
 grub_uint64_t g_conf_override_offset = 0;
 
@@ -82,6 +87,15 @@ static grub_uint32_t ventoy_unix_get_override_chunk_count(void)
     {
         count++;
     }
+    
+    if (g_ko_fillmap_len > 0)
+    {
+        count += (g_ko_fillmap_len / 512);
+        if ((g_ko_fillmap_len % 512) > 0)
+        {
+            count++;
+        }
+    }
 
     return count;
 }
@@ -121,15 +135,49 @@ static grub_uint32_t ventoy_unix_get_virt_chunk_size(void)
     return size;
 }
 
-static void ventoy_unix_fill_override_data(    grub_uint64_t isosize, void *override)
+static void ventoy_unix_fill_map_data(ventoy_chain_head *chain, struct g_ventoy_map *map)
 {
+    grub_uint32_t i;
+    ventoy_img_chunk *chunk = NULL;
+
+    debug("Fill unix map data: <%llu> <%u>\n", (unsigned long long)chain->os_param.vtoy_disk_size, g_img_chunk_list.cur_chunk);
+    
+    map->magic1[0] = map->magic2[0] = map->magic3[0] = VENTOY_UNIX_SEG_MAGIC0;
+    map->magic1[1] = map->magic2[1] = map->magic3[1] = VENTOY_UNIX_SEG_MAGIC1;
+    map->magic1[2] = map->magic2[2] = map->magic3[2] = VENTOY_UNIX_SEG_MAGIC2;
+    map->magic1[3] = map->magic2[3] = map->magic3[3] = VENTOY_UNIX_SEG_MAGIC3;
+
+    map->disksize = chain->os_param.vtoy_disk_size;
+    grub_memcpy(map->diskuuid, chain->os_param.vtoy_disk_guid, 16);
+
+    map->segnum = g_img_chunk_list.cur_chunk;
+    if (g_img_chunk_list.cur_chunk > VENTOY_UNIX_MAX_SEGNUM)
+    {
+        debug("####[FAIL] Too many segments for the ISO file %u\n", g_img_chunk_list.cur_chunk);
+        map->segnum = VENTOY_UNIX_MAX_SEGNUM;
+    }
+    
+    for (i = 0; i < (grub_uint32_t)(map->segnum); i++)
+    {
+        chunk = g_img_chunk_list.chunk + i;
+        map->seglist[i].seg_start_bytes = chunk->disk_start_sector * 512ULL;
+        map->seglist[i].seg_end_bytes = (chunk->disk_end_sector + 1) * 512ULL;        
+    }
+}
+
+static void ventoy_unix_fill_override_data(    grub_uint64_t isosize, ventoy_chain_head *chain)
+{
+    int i;
+    int left;
+    char *data = NULL;
+    grub_uint64_t offset;
     grub_uint64_t sector;
     ventoy_override_chunk *cur;
     ventoy_iso9660_override *dirent;
     
     sector = (isosize + 2047) / 2048;
 
-    cur = (ventoy_override_chunk *)override;
+    cur = (ventoy_override_chunk *)((char *)chain + chain->override_chunk_offset);
 
     if (g_conf_new_len > 0)
     {
@@ -158,6 +206,35 @@ static void ventoy_unix_fill_override_data(    grub_uint64_t isosize, void *over
         sector += (dirent->size + 2047) / 2048;
     }
 
+    if (g_ko_fillmap_len > 0)
+    {
+        data = g_ko_fillmap_data;
+        offset = g_mod_override_offset;
+
+        ventoy_unix_fill_map_data(chain, (struct g_ventoy_map *)data);
+        
+        for (i = 0; i < g_ko_fillmap_len / 512; i++)
+        {
+            cur++;
+            cur->img_offset = offset;
+            cur->override_size = 512;
+            grub_memcpy(cur->override_data, data, 512);
+
+            offset += 512;
+            data += 512;
+        }
+
+        left = (g_ko_fillmap_len % 512);
+        if (left > 0)
+        {
+            cur++;
+            cur->img_offset = offset;
+            cur->override_size = left;
+            grub_memcpy(cur->override_data, data, left);
+            offset += left;
+        }
+    }
+
     return;
 }
 
@@ -182,6 +259,11 @@ static void ventoy_unix_fill_virt_data(    grub_uint64_t isosize, ventoy_chain_h
 
     if (g_mod_new_len > 0)
     {
+        if (g_mod_search_magic > 0)
+        {
+            ventoy_unix_fill_map_data(chain, (struct g_ventoy_map *)(g_mod_new_data + g_mod_search_magic));
+        }
+    
         ventoy_unix_fill_virt(g_mod_new_data, g_mod_new_len);
     }
     
@@ -210,6 +292,12 @@ static int ventoy_freebsd_append_conf(char *buf, const char *isopath)
     vtoy_ssprintf(buf, pos, "ventoy_load=\"%s\"\n", "YES");
     vtoy_ssprintf(buf, pos, "ventoy_name=\"%s\"\n", g_ko_mod_path);
 
+    if (g_mod_search_magic)
+    {
+        debug("hint.ventoy NO need\n");
+        goto out;
+    }
+
     disk = isofile->device->disk;
 
     ventoy_get_disk_guid(isofile->name, disk_guid, disk_sig);
@@ -232,8 +320,8 @@ static int ventoy_freebsd_append_conf(char *buf, const char *isopath)
             (ulonglong)((chunk->disk_end_sector + 1) * 512));
     }
 
+out:
     grub_file_close(isofile);
-
     return pos;
 }
 
@@ -258,13 +346,16 @@ grub_err_t ventoy_cmd_unix_reset(grub_extcmd_context_t ctxt, int argc, char **ar
     (void)argc;
     (void)args;
     
+    g_mod_search_magic = 0;
     g_conf_new_len = 0;
     g_mod_new_len = 0;
     g_mod_override_offset = 0;
     g_conf_override_offset = 0;
+    g_ko_fillmap_len = 0;
 
     check_free(g_mod_new_data, grub_free);
     check_free(g_conf_new_data, grub_free);
+    check_free(g_ko_fillmap_data, grub_free);
 
     VENTOY_CMD_RETURN(GRUB_ERR_NONE);
 }
@@ -624,6 +715,27 @@ grub_err_t ventoy_cmd_unix_replace_conf(grub_extcmd_context_t ctxt, int argc, ch
     VENTOY_CMD_RETURN(GRUB_ERR_NONE);
 }
 
+static int ventoy_unix_search_magic(char *data, int len)
+{
+    int i;
+    grub_uint32_t *magic = NULL;    
+
+    for (i = 0; i < len; i += 65536)
+    {
+        magic = (grub_uint32_t *)(data + i);
+        if (magic[0] == VENTOY_UNIX_SEG_MAGIC0 && magic[1] == VENTOY_UNIX_SEG_MAGIC1 && 
+            magic[2] == VENTOY_UNIX_SEG_MAGIC2 && magic[3] == VENTOY_UNIX_SEG_MAGIC3)
+        {
+            debug("unix find search magic at 0x%x loop:%d\n", i, (i >> 16));
+            g_mod_search_magic = i;
+            return 0;
+        }
+    }
+
+    debug("unix can not find search magic\n");
+    return 1;
+}
+
 grub_err_t ventoy_cmd_unix_replace_ko(grub_extcmd_context_t ctxt, int argc, char **args)
 {
     char *data;
@@ -673,10 +785,72 @@ grub_err_t ventoy_cmd_unix_replace_ko(grub_extcmd_context_t ctxt, int argc, char
     
     g_mod_new_data = data;
     g_mod_new_len = (int)file->size;
+
+    ventoy_unix_search_magic(g_mod_new_data, g_mod_new_len);
     
     VENTOY_CMD_RETURN(GRUB_ERR_NONE);
 }
 
+grub_err_t ventoy_cmd_unix_ko_fillmap(grub_extcmd_context_t ctxt, int argc, char **args)
+{
+    int i;
+    grub_file_t file;
+    grub_uint32_t magic[4];
+    grub_uint32_t len;
+
+    (void)ctxt;
+
+    if (argc != 1)
+    {
+        debug("Fillmap ko invalid argc %d\n", argc);
+        return 1;
+    }
+
+    debug("Fillmap ko %s\n", args[0]);
+
+    file = ventoy_grub_file_open(VENTOY_FILE_TYPE, "(loop)%s", args[0]);
+    if (file)
+    {
+        g_mod_override_offset = grub_iso9660_get_last_read_pos(file);
+    }
+    else
+    {   
+        debug("Can't find replace ko file from %s\n", args[0]);
+        return 1;
+    }
+
+    for (i = 0; i < (int)(file->size); i += 65536)
+    {
+        magic[0] = 0;
+        grub_file_seek(file, i);
+        grub_file_read(file, magic, sizeof(magic));
+    
+        if (magic[0] == VENTOY_UNIX_SEG_MAGIC0 && magic[1] == VENTOY_UNIX_SEG_MAGIC1 && 
+            magic[2] == VENTOY_UNIX_SEG_MAGIC2 && magic[3] == VENTOY_UNIX_SEG_MAGIC3)
+        {
+            debug("unix find search magic at 0x%x loop:%d\n", i, (i >> 16));
+            g_mod_override_offset += i;
+            break;
+        }
+    }
+
+    len = (grub_uint32_t)OFFSET_OF(struct g_ventoy_map, seglist) + 
+        (sizeof(struct g_ventoy_seg) * g_img_chunk_list.cur_chunk);
+
+    g_ko_fillmap_len = (int)len;
+    g_ko_fillmap_data = grub_malloc(len);
+    if (!g_ko_fillmap_data)
+    {
+        g_ko_fillmap_len = 0;
+        debug("Failed to malloc fillmap data\n");
+    }
+
+    debug("Fillmap ko segnum:%u, override len:%d", g_img_chunk_list.cur_chunk, g_ko_fillmap_len);
+
+    grub_file_close(file);
+    VENTOY_CMD_RETURN(GRUB_ERR_NONE);
+}
+
 grub_err_t ventoy_cmd_unix_fill_image_desc(grub_extcmd_context_t ctxt, int argc, char **args)
 {
     int i;
@@ -908,7 +1082,7 @@ grub_err_t ventoy_cmd_unix_chain_data(grub_extcmd_context_t ctxt, int argc, char
     /* part 4: override chunk */
     chain->override_chunk_offset = chain->img_chunk_offset + img_chunk_size;
     chain->override_chunk_num = override_count;
-    ventoy_unix_fill_override_data(isosize, (char *)chain + chain->override_chunk_offset);
+    ventoy_unix_fill_override_data(isosize, chain);
 
     /* part 5: virt chunk */
     chain->virt_chunk_offset = chain->override_chunk_offset + override_size;

diff --git a/INSTALL/grub/grub.cfg b/INSTALL/grub/grub.cfg
index 92497b45ebb94abb42c9c1fb4950f02fec5ad815..f68f2c3f9635d2fdb8bb9fbaadcc6d3f6b1e83ea 100644 (file)
--- a/INSTALL/grub/grub.cfg
+++ b/INSTALL/grub/grub.cfg
@@ -129,6 +129,9 @@ function get_os_type {
         elif [ -e (loop)/bin/freebsd-version ]; then
             set vtoy_os=Unix
             set vt_unix_type=FreeBSD
+        elif [ -e (loop)/boot/kernel/geom_ventoy.ko ]; then
+            set vtoy_os=Unix
+            set vt_unix_type=FreeBSD
         elif vt_str_begin "$vt_system_id" "DragonFly"; then
             set vtoy_os=Unix
             set vt_unix_type=DragonFly
@@ -469,6 +472,10 @@ function ventoy_freebsd_proc {
         set vt_freebsd_ver=9.x
     fi
     
+    if [ -e (loop)/boot/kernel/geom_ventoy.ko ]; then
+        vt_unix_ko_fillmap /boot/kernel/geom_ventoy.ko
+        return
+    fi
     
     if [ -e (loop)/usr/freebsd-dist/cloninst.sh ]; then
         set vtFreeBsdDistro=ClonOS

diff --git a/INSTALL/ventoy/ventoy_unix.cpio b/INSTALL/ventoy/ventoy_unix.cpio
index f888ffb60547833c9183d930043fcfb9bfa38088..83fdf00b464af4ddfdd1c0cdda7532b00dc94cb3 100644 (file)
Binary files a/INSTALL/ventoy/ventoy_unix.cpio and b/INSTALL/ventoy/ventoy_unix.cpio differ

diff --git a/Unix/ventoy_unix/FreeBSD/geom_ventoy_ko/13.x/32/geom_ventoy.ko.xz b/Unix/ventoy_unix/FreeBSD/geom_ventoy_ko/13.x/32/geom_ventoy.ko.xz
index 280d1487db5c66863f499ca4531e48319ee97383..2de914580e3188ab8ea566e538481d20044d39f8 100644 (file)
Binary files a/Unix/ventoy_unix/FreeBSD/geom_ventoy_ko/13.x/32/geom_ventoy.ko.xz and b/Unix/ventoy_unix/FreeBSD/geom_ventoy_ko/13.x/32/geom_ventoy.ko.xz differ

diff --git a/Unix/ventoy_unix/FreeBSD/geom_ventoy_ko/13.x/64/geom_ventoy.ko.xz b/Unix/ventoy_unix/FreeBSD/geom_ventoy_ko/13.x/64/geom_ventoy.ko.xz
index 8636888e1effb0c0e0641603a4d30ad70b8d3028..a4b74178d2b08173ad0d992031df701c1b8bc601 100644 (file)
Binary files a/Unix/ventoy_unix/FreeBSD/geom_ventoy_ko/13.x/64/geom_ventoy.ko.xz and b/Unix/ventoy_unix/FreeBSD/geom_ventoy_ko/13.x/64/geom_ventoy.ko.xz differ

diff --git a/Unix/ventoy_unix_src/FreeBSD/geom_ventoy_src/13.x/sys/geom/ventoy/g_ventoy.c b/Unix/ventoy_unix_src/FreeBSD/geom_ventoy_src/13.x/sys/geom/ventoy/g_ventoy.c
index 585c0537908e5290f5d2f8421f8afdbad622846f..5477c5ea91ce9fdaa92788f1721fe91155b0e4f3 100644 (file)
--- a/Unix/ventoy_unix_src/FreeBSD/geom_ventoy_src/13.x/sys/geom/ventoy/g_ventoy.c
+++ b/Unix/ventoy_unix_src/FreeBSD/geom_ventoy_src/13.x/sys/geom/ventoy/g_ventoy.c
@@ -65,12 +65,22 @@ static g_taste_t g_ventoy_taste;
 static g_ctl_req_t g_ventoy_config;
 static g_dumpconf_t g_ventoy_dumpconf;
 
-static const char *g_ventoy_disk_uuid = NULL;
+static char g_ventoy_disk_uuid[64];
 static bool g_ventoy_tasted = false;
 static off_t g_ventoy_disk_size = 0;
 static off_t g_disk_map_start = 0;
 static off_t g_disk_map_end = 0;
 
+struct g_ventoy_map g_ventoy_map_data __attribute__((aligned (65536))) = 
+{
+    { VENTOY_UNIX_SEG_MAGIC0, VENTOY_UNIX_SEG_MAGIC1, VENTOY_UNIX_SEG_MAGIC2, VENTOY_UNIX_SEG_MAGIC3 },
+    { 0, 0, 0, 0 },
+    0, 0,
+    { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
+    { { 0, 0 } },
+    { VENTOY_UNIX_SEG_MAGIC0, VENTOY_UNIX_SEG_MAGIC1, VENTOY_UNIX_SEG_MAGIC2, VENTOY_UNIX_SEG_MAGIC3 }
+};
+
 struct g_class g_ventoy_class = {
        .name = G_VENTOY_CLASS_NAME,
        .version = G_VERSION,
@@ -719,15 +729,35 @@ static bool g_vtoy_check_disk(struct g_class *mp, struct g_provider *pp)
     
     if (g_ventoy_disk_size == 0)
     {
-        if (resource_string_value("ventoy", 0, "disksize", &value) == 0)
+        if (VENTOY_MAP_VALID(g_ventoy_map_data.magic2))
         {
-            G_DEBUG("ventoy.disksize: %s\n", value);
-            g_ventoy_disk_size = strtouq(value, NULL, 0);
+            G_DEBUG("ventoy map data is valid. [OK]\n");
+
+            for (i = 0; i < 16; i++)
+            {
+                sprintf(uuid + i * 2, "%02x", g_ventoy_map_data.diskuuid[i]);
+            }
+            snprintf(g_ventoy_disk_uuid, sizeof(g_ventoy_disk_uuid), "%s", uuid);
+            g_ventoy_disk_size = g_ventoy_map_data.disksize;
+            
+            G_DEBUG("ventoy.disksize: %llu\n", (unsigned long long)g_ventoy_disk_size);
+            G_DEBUG("ventoy.diskuuid: <%s>\n", g_ventoy_disk_uuid);
         }
-
-        if (resource_string_value("ventoy", 0, "diskuuid", &g_ventoy_disk_uuid) == 0)
+        else
         {
-            G_DEBUG("ventoy.diskuuid: <%s>\n", g_ventoy_disk_uuid);
+            G_DEBUG("ventoy map data is invalid, get from resource\n");
+        
+            if (resource_string_value("ventoy", 0, "disksize", &value) == 0)
+            {
+                G_DEBUG("ventoy.disksize: %s\n", value);
+                g_ventoy_disk_size = strtouq(value, NULL, 0);
+            }
+
+            if (resource_string_value("ventoy", 0, "diskuuid", &value) == 0)
+            {
+                snprintf(g_ventoy_disk_uuid, sizeof(g_ventoy_disk_uuid), "%s", value);
+                G_DEBUG("ventoy.diskuuid: <%s>\n", value);
+            }
         }
     }
 
@@ -812,7 +842,16 @@ g_ventoy_taste(struct g_class *mp, struct g_provider *pp, int flags __unused)
 
     G_DEBUG("######### ventoy disk <%s> #############\n", pp->name);
 
-    resource_int_value("ventoy", 0, "segnum", &disknum);
+    if (VENTOY_MAP_VALID(g_ventoy_map_data.magic2))
+    {
+        disknum = (int)g_ventoy_map_data.segnum;
+        G_DEBUG("segnum from map data is:<%d>\n", disknum);
+    }
+    else
+    {
+        resource_int_value("ventoy", 0, "segnum", &disknum);
+        G_DEBUG("segnum from resource is:<%d>\n", disknum);
+    }
 
     strlcpy(md.md_magic, G_VENTOY_MAGIC, sizeof(md.md_magic));
        md.md_version = G_VENTOY_VERSION;
@@ -834,18 +873,29 @@ g_ventoy_taste(struct g_class *mp, struct g_provider *pp, int flags __unused)
 
     for (i = 0; i < disknum; i ++)
     {
-        if (resource_string_value("ventoy", i, "seg", &value) == 0)
+        if (VENTOY_MAP_VALID(g_ventoy_map_data.magic2))
         {
-            g_disk_map_start = strtouq(value, &endpos, 0);
-            g_disk_map_end = strtouq(endpos + 1, NULL, 0);
+            G_DEBUG("[map] ventoy segment%d: 0x%llx@0x%llx\n", i, 
+                (long long)g_ventoy_map_data.seglist[i].seg_start_bytes,
+                (long long)g_ventoy_map_data.seglist[i].seg_end_bytes);
+            
+            g_disk_map_start = (off_t)g_ventoy_map_data.seglist[i].seg_start_bytes;
+            g_disk_map_end = (off_t)g_ventoy_map_data.seglist[i].seg_end_bytes;
         }
         else
         {
-            printf("Failed to parse ventoy seg %d\n", i);
-            continue;
+            if (resource_string_value("ventoy", i, "seg", &value) == 0)
+            {
+                g_disk_map_start = strtouq(value, &endpos, 0);
+                g_disk_map_end = strtouq(endpos + 1, NULL, 0);
+            }
+            else
+            {
+                printf("Failed to parse ventoy seg %d\n", i);
+                continue;
+            }
+            G_DEBUG("[resource] ventoy segment%d: %s\n", i, value);
         }
-
-        G_DEBUG("ventoy segment%d: %s\n", i, value);
         
         G_VENTOY_DEBUG(1, "Adding disk %s to %s.", pp->name, gp->name);
        error = g_ventoy_add_disk(sc, pp, i);

diff --git a/Unix/ventoy_unix_src/FreeBSD/geom_ventoy_src/13.x/sys/geom/ventoy/g_ventoy.h b/Unix/ventoy_unix_src/FreeBSD/geom_ventoy_src/13.x/sys/geom/ventoy/g_ventoy.h
index e442b246efccfaeb10366a31c71fcb8f70e2735a..abe565bdb9fb7b75cd556453be1d5aa8a83718ab 100644 (file)
--- a/Unix/ventoy_unix_src/FreeBSD/geom_ventoy_src/13.x/sys/geom/ventoy/g_ventoy.h
+++ b/Unix/ventoy_unix_src/FreeBSD/geom_ventoy_src/13.x/sys/geom/ventoy/g_ventoy.h
@@ -76,6 +76,33 @@ struct g_ventoy_softc {
        struct mtx       sc_lock;
 };
 #define        sc_name sc_geom->name
+
+
+#pragma pack(1)
+#define VENTOY_UNIX_SEG_MAGIC0    0x11223344
+#define VENTOY_UNIX_SEG_MAGIC1    0x55667788
+#define VENTOY_UNIX_SEG_MAGIC2    0x99aabbcc
+#define VENTOY_UNIX_SEG_MAGIC3    0xddeeff00
+#define VENTOY_UNIX_MAX_SEGNUM   40960
+struct g_ventoy_seg {
+    uint64_t seg_start_bytes;
+    uint64_t seg_end_bytes;
+};
+
+struct g_ventoy_map{
+    uint32_t magic1[4];
+    uint32_t magic2[4];
+    uint64_t segnum;
+    uint64_t disksize;
+    uint8_t diskuuid[16];
+    struct g_ventoy_seg seglist[VENTOY_UNIX_MAX_SEGNUM];
+    uint32_t magic3[4];
+};
+#pragma pack()
+
+#define VENTOY_MAP_VALID(magic2) \
+    (magic2[0] == VENTOY_UNIX_SEG_MAGIC0 && magic2[1] == VENTOY_UNIX_SEG_MAGIC1 && magic2[2] == VENTOY_UNIX_SEG_MAGIC2 && magic2[3] == VENTOY_UNIX_SEG_MAGIC3)
+
 #endif /* _KERNEL */
 
 struct g_ventoy_metadata {