Changeset ba276f7 in mainline for generic/src/console/cmd.c

Timestamp:

2005-12-11T22:39:11Z (19 years ago)

Author:

Ondrej Palkovsky <ondrap@…>

Branches:

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

Children:

96c939e

Parents:

3550c393

Message:

Added set4 command.

File:

• generic/src/console/cmd.c (modified) (3 diffs)

generic/src/console/cmd.c

@@ -93 +93 @@
 };
 
+static char set_buf[MAX_CMDLINE+1];
+static int cmd_set4(cmd_arg_t *argv);
+static cmd_arg_t set4_argv[] = {
+        {
+                .type = ARG_TYPE_STRING,
+                .buffer = set_buf,
+                .len = sizeof(set_buf)
+        },
+        { 
+                .type = ARG_TYPE_INT
+        }
+};
+static cmd_info_t set4_info = {
+        .name = "set4",
+        .description = "set <dest_addr> <value> - 4byte version",
+        .func = cmd_set4,
+        .argc = 2,
+        .argv = set4_argv
+};
+
+
 /** Data and methods for 'call0' command. */
 static char call0_buf[MAX_CMDLINE+1];
@@ -256 +277 @@
         if (!cmd_register(&call3_info))
                 panic("could not register command %s\n", call3_info.name);
+
+        cmd_initialize(&set4_info);
+        if (!cmd_register(&set4_info))
+                panic("could not register command %s\n", set4_info.name);
         
         cmd_initialize(&halt_info);
@@ -472 +497 @@
         return 1;
 }
+
+/** Write 4 byte value to address */
+int cmd_set4(cmd_arg_t *argv)
+{
+        char *symbol;
+        __u32 *addr ;
+        __u32 arg1 = argv[1].intval;
+        bool pointer = false;
+
+        if (((char *)argv->buffer)[0] == '*') {
+                addr = (__u32 *) get_symbol_addr(argv->buffer+1);
+                pointer = true;
+        } else if (((char *)argv->buffer)[0] >= '0' && 
+                   ((char *)argv->buffer)[0] <= '9')
+                addr = (__u32 *)atoi((char *)argv->buffer);
+        else
+                addr = (__u32 *)get_symbol_addr(argv->buffer);
+
+        if (!addr)
+                printf("Symbol %s not found.\n", argv->buffer);
+        else if (addr == (__u32 *) -1) {
+                symtab_print_search(argv->buffer);
+                printf("Duplicate symbol, be more specific.\n");
+        } else {
+                if (pointer)
+                        addr = (__u32 *)*addr;
+                printf("Writing 0x%x -> 0x%p\n", arg1, addr);
+                *addr = arg1;
+                
+        }
+        
+        return 1;
+}