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authorSimon Glass <sjg@chromium.org>2013-10-25 23:01:31 -0600
committerSimon Glass <sjg@chromium.org>2014-05-09 14:43:22 -0600
commitfd37dac9eb37b543fb1b82a733729514a67bd801 (patch)
tree6e517094b2b1509117712a595a6f73a2e13f4228
parent146b468eb0203c9b1aa1de93723ffc82c85d1dc1 (diff)
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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
-rw-r--r--common/cmd_nvedit.c31
1 files changed, 18 insertions, 13 deletions
diff --git a/common/cmd_nvedit.c b/common/cmd_nvedit.c
index c53601c..f4e306c 100644
--- a/common/cmd_nvedit.c
+++ b/common/cmd_nvedit.c
@@ -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;
}