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sandbox: Support 'env import' and 'env export' 

Adjust the code for these commands so that they work on sandbox.

Signed-off-by: Simon Glass <sjg@chromium.org>
(Adjusted to fix minor merge comflict, when applied)

Change-Id: I987dee6194cd5c83f82604caf894fc85e4eb71a8
This commit is contained in:
Simon Glass 2013-10-25 23:01:31 -06:00
parent 146b468eb0
commit fd37dac9eb
1 changed files with 18 additions and 13 deletions
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31
common/cmd_nvedit.c
View File

@ -33,6 +33,7 @@
#include <watchdog.h>
#include <linux/stddef.h>
#include <asm/byteorder.h>
#include <asm/io.h>
DECLARE_GLOBAL_DATA_PTR;
@ -846,7 +847,8 @@ static int do_env_export(cmd_tbl_t *cmdtp, int flag,
int argc, char * const argv[])
{
char buf[32];
char *addr, *cmd, *res;
ulong addr;
char *ptr, *cmd, *res;
size_t size = 0;
ssize_t len;
env_t *envp;
@ -891,10 +893,11 @@ NXTARG: ;
if (argc < 1)
return CMD_RET_USAGE;
addr = (char *)simple_strtoul(argv[0], NULL, 16);
addr = simple_strtoul(argv[0], NULL, 16);
ptr = map_sysmem(addr, size);
if (size)
memset(addr, '\0', size);
memset(ptr, '\0', size);
argc--;
argv++;
@ -902,7 +905,7 @@ NXTARG: ;
if (sep) { /* export as text file */
len = hexport_r(&env_htab, sep,
H_MATCH_KEY | H_MATCH_IDENT,
&addr, size, argc, argv);
&ptr, size, argc, argv);
if (len < 0) {
error("Cannot export environment: errno = %d\n", errno);
return 1;
@ -913,12 +916,12 @@ NXTARG: ;
return 0;
}
envp = (env_t *)addr;
envp = (env_t *)ptr;
if (chk) /* export as checksum protected block */
res = (char *)envp->data;
else /* export as raw binary data */
res = addr;
res = ptr;
len = hexport_r(&env_htab, '\0',
H_MATCH_KEY | H_MATCH_IDENT,
@ -960,7 +963,8 @@ sep_err:
static int do_env_import(cmd_tbl_t *cmdtp, int flag,
int argc, char * const argv[])
{
char *cmd, *addr;
ulong addr;
char *cmd, *ptr;
char sep = '\n';
int chk = 0;
int fmt = 0;
@ -1004,7 +1008,8 @@ static int do_env_import(cmd_tbl_t *cmdtp, int flag,
if (!fmt)
printf("## Warning: defaulting to text format\n");
addr = (char *)simple_strtoul(argv[0], NULL, 16);
addr = simple_strtoul(argv[0], NULL, 16);
ptr = map_sysmem(addr, 0);
if (argc == 2) {
size = simple_strtoul(argv[1], NULL, 16);
@ -1012,7 +1017,7 @@ static int do_env_import(cmd_tbl_t *cmdtp, int flag,
puts("## Error: external checksum format must pass size\n");
return CMD_RET_FAILURE;
} else {
char *s = addr;
char *s = ptr;
size = 0;
@ -1032,7 +1037,7 @@ static int do_env_import(cmd_tbl_t *cmdtp, int flag,
if (chk) {
uint32_t crc;
env_t *ep = (env_t *)addr;
env_t *ep = (env_t *)ptr;
size -= offsetof(env_t, data);
memcpy(&crc, &ep->crc, sizeof(crc));
@ -1041,11 +1046,11 @@ static int do_env_import(cmd_tbl_t *cmdtp, int flag,
puts("## Error: bad CRC, import failed\n");
return 1;
}
addr = (char *)ep->data;
ptr = (char *)ep->data;
}
if (himport_r(&env_htab, addr, size, sep, del ? 0 : H_NOCLEAR,
0, NULL) == 0) {
if (himport_r(&env_htab, ptr, size, sep, del ? 0 : H_NOCLEAR, 0,
NULL) == 0) {
error("Environment import failed: errno = %d\n", errno);
return 1;
}