Changeset 7901ac8 in mainline

Timestamp:

2013-06-21T17:55:51Z (11 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

96cbd18

Parents:

08bb73b

Message:

Rudimentary support for dumping TOC in blkdump.

File:

• uspace/app/blkdump/blkdump.c (modified) (9 diffs)

uspace/app/blkdump/blkdump.c

@@ -1 +1 @@
 /*
  * Copyright (c) 2011 Martin Sucha
- * Copyright (c) 2010 Jiri Svoboda
+ * Copyright (c) 2013 Jiri Svoboda
  * All rights reserved.
  *
@@ -52 +52 @@
 
 static void syntax_print(void);
+static int print_blocks(aoff64_t block_offset, aoff64_t block_count, size_t block_size);
+static int print_toc(void);
 static void print_hex_row(uint8_t *data, size_t length, size_t bytes_per_row);
+
+static bool relative = false;
+static service_id_t service_id;
 
 int main(int argc, char **argv)
@@ -59 +64 @@
         int rc;
         char *dev_path;
-        service_id_t service_id;
         size_t block_size;
         char *endptr;
@@ -65 +69 @@
         aoff64_t block_count = 1;
         aoff64_t dev_nblocks;
-        uint8_t *data;
-        size_t data_offset;
-        aoff64_t current;
-        aoff64_t limit;
-        bool relative = false;
+        bool toc = false;
         
         if (argc < 2) {
@@ -79 +79 @@
         --argc; ++argv;
 
+        if (str_cmp(*argv, "--toc") == 0) {
+                --argc; ++argv;
+                toc = true;
+                goto devname;
+        }
+
         if (str_cmp(*argv, "--relative") == 0) {
                 --argc; ++argv;
@@ -120 +126 @@
         }
 
+devname:
         if (argc != 1) {
                 printf(NAME ": Error, unexpected argument.\n");
@@ -153 +160 @@
         printf("Device %s has %" PRIuOFF64 " blocks, %" PRIuOFF64 " bytes each\n", dev_path, dev_nblocks, (aoff64_t) block_size);
 
+        if (toc)
+                rc = print_toc();
+        else
+                rc = print_blocks(block_offset, block_count, block_size);
+
+        block_fini(service_id);
+
+        return rc;
+}
+
+static int print_blocks(aoff64_t block_offset, aoff64_t block_count, size_t block_size)
+{
+        uint8_t *data;
+        aoff64_t current;
+        aoff64_t limit;
+        size_t data_offset;
+        int rc;
+
         data = malloc(block_size);
         if (data == NULL) {
                 printf(NAME ": Error allocating data buffer of %" PRIuOFF64 " bytes", (aoff64_t) block_size);
-                block_fini(service_id);
                 return 3;
         }
-        
+
         limit = block_offset + block_count;
         for (current = block_offset; current < limit; current++) {
@@ -168 +192 @@
                         return 3;
                 }
-                
+
                 printf("---- Block %" PRIuOFF64 " (at %" PRIuOFF64 ") ----\n", current, current*block_size);
-                
+
                 for (data_offset = 0; data_offset < block_size; data_offset += 16) {
                         if (relative) {
@@ -183 +207 @@
                 printf("\n");
         }
-        
+
         free(data);
-
-        block_fini(service_id);
+        return 0;
+}
+
+static int print_toc(void)
+{
+        toc_block_t *toc;
+
+        toc = block_get_toc(service_id, 0);
+        if (toc == NULL)
+                return 1;
+
+        printf("TOC size: %" PRIu16 " bytes\n", toc->size);
+        printf("First session: %" PRIu8 "\n", toc->first_session);
+        printf("Last_session: %" PRIu8 "\n", toc->last_session);
 
         return 0;