summaryrefslogtreecommitdiff
path: root/common/cmd_mem.c
diff options
context:
space:
mode:
authorwdenk <wdenk>2003-07-24 23:38:38 +0000
committerwdenk <wdenk>2003-07-24 23:38:38 +0000
commit27b207fd0a0941b03f27e2a82c0468b1a090c745 (patch)
tree4d339d7a2a00889f09a876425ce430be57de56e9 /common/cmd_mem.c
parent2535d60277cc295adf75cd5721dcecd840c69a63 (diff)
downloadu-boot-imx-27b207fd0a0941b03f27e2a82c0468b1a090c745.zip
u-boot-imx-27b207fd0a0941b03f27e2a82c0468b1a090c745.tar.gz
u-boot-imx-27b207fd0a0941b03f27e2a82c0468b1a090c745.tar.bz2
* Implement new mechanism to export U-Boot's functions to standalone
applications: instead of using (PPC-specific) system calls we now use a jump table; please see doc/README.standalone for details * Patch by Dave Westwood, 24 Jul 2003: added support for Unity OS (a proprietary OS)
Diffstat (limited to 'common/cmd_mem.c')
-rw-r--r--common/cmd_mem.c39
1 files changed, 26 insertions, 13 deletions
diff --git a/common/cmd_mem.c b/common/cmd_mem.c
index 7e6c19e..3e22598 100644
--- a/common/cmd_mem.c
+++ b/common/cmd_mem.c
@@ -53,6 +53,8 @@ int cmd_get_data_size(char* arg, int default_size)
return 2;
case 'l':
return 4;
+ default:
+ return -1;
}
}
return default_size;
@@ -86,9 +88,10 @@ static ulong base_address = 0;
#define DISP_LINE_LEN 16
int do_mem_md ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
- ulong addr, size, length;
+ ulong addr, length;
ulong i, nbytes, linebytes;
u_char *cp;
+ int size;
int rc = 0;
/* We use the last specified parameters, unless new ones are
@@ -107,7 +110,8 @@ int do_mem_md ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
/* New command specified. Check for a size specification.
* Defaults to long if no or incorrect specification.
*/
- size = cmd_get_data_size(argv[0], 4);
+ if ((size = cmd_get_data_size(argv[0], 4)) < 0)
+ return 1;
/* Address is specified since argc > 1
*/
@@ -199,7 +203,8 @@ int do_mem_nm ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
int do_mem_mw ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
- ulong addr, size, writeval, count;
+ ulong addr, writeval, count;
+ int size;
if ((argc < 3) || (argc > 4)) {
printf ("Usage:\n%s\n", cmdtp->usage);
@@ -208,7 +213,8 @@ int do_mem_mw ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
/* Check for size specification.
*/
- size = cmd_get_data_size(argv[0], 4);
+ if ((size = cmd_get_data_size(argv[0], 4)) < 1)
+ return 1;
/* Address is specified since argc > 1
*/
@@ -240,7 +246,8 @@ int do_mem_mw ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
int do_mem_cmp (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
- ulong size, addr1, addr2, count, ngood;
+ ulong addr1, addr2, count, ngood;
+ int size;
int rcode = 0;
if (argc != 4) {
@@ -250,7 +257,8 @@ int do_mem_cmp (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
/* Check for size specification.
*/
- size = cmd_get_data_size(argv[0], 4);
+ if ((size = cmd_get_data_size(argv[0], 4)) < 0)
+ return 1;
addr1 = simple_strtoul(argv[1], NULL, 16);
addr1 += base_address;
@@ -316,7 +324,8 @@ int do_mem_cmp (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
int do_mem_cp ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
- ulong addr, size, dest, count;
+ ulong addr, dest, count;
+ int size;
if (argc != 4) {
printf ("Usage:\n%s\n", cmdtp->usage);
@@ -325,7 +334,8 @@ int do_mem_cp ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
/* Check for size specification.
*/
- size = cmd_get_data_size(argv[0], 4);
+ if ((size = cmd_get_data_size(argv[0], 4)) < 0)
+ return 1;
addr = simple_strtoul(argv[1], NULL, 16);
addr += base_address;
@@ -458,7 +468,8 @@ int do_mem_base (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
int do_mem_loop (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
- ulong addr, size, length, i, junk;
+ ulong addr, length, i, junk;
+ int size;
volatile uint *longp;
volatile ushort *shortp;
volatile u_char *cp;
@@ -471,7 +482,8 @@ int do_mem_loop (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
/* Check for a size spefication.
* Defaults to long if no or incorrect specification.
*/
- size = cmd_get_data_size(argv[0], 4);
+ if ((size = cmd_get_data_size(argv[0], 4)) < 0)
+ return 1;
/* Address is always specified.
*/
@@ -839,8 +851,8 @@ int do_mem_mtest (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
static int
mod_mem(cmd_tbl_t *cmdtp, int incrflag, int flag, int argc, char *argv[])
{
- ulong addr, size, i;
- int nbytes;
+ ulong addr, i;
+ int nbytes, size;
extern char console_buffer[];
if (argc != 2) {
@@ -861,7 +873,8 @@ mod_mem(cmd_tbl_t *cmdtp, int incrflag, int flag, int argc, char *argv[])
/* New command specified. Check for a size specification.
* Defaults to long if no or incorrect specification.
*/
- size = cmd_get_data_size(argv[0], 4);
+ if ((size = cmd_get_data_size(argv[0], 4)) < 0)
+ return 1;
/* Address is specified since argc > 1
*/