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sandbox: Allow hash functions to work correctly

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Use map_sysmem() so that hashing is possible on sandbox.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2013-02-24 17:33:31 +00:00
parent 5512d5b034
commit bd091b67d0
1 changed files with 16 additions and 8 deletions
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24
common/hash.c
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@ -28,6 +28,7 @@
#include <hash.h>
#include <sha1.h>
#include <sha256.h>
#include <asm/io.h>
/*
* These are the hash algorithms we support. Chips which support accelerated
@ -117,10 +118,13 @@ static void store_result(struct hash_algo *algo, const u8 *sum,
str_ptr = '\0';
setenv(dest, str_output);
} else {
u8 *ptr;
ulong addr;
void *buf;
ptr = (u8 *)simple_strtoul(dest, NULL, 16);
memcpy(ptr, sum, algo->digest_size);
addr = simple_strtoul(dest, NULL, 16);
buf = map_sysmem(addr, algo->digest_size);
memcpy(buf, sum, algo->digest_size);
unmap_sysmem(buf);
}
}
@ -154,10 +158,12 @@ static int parse_verify_sum(struct hash_algo *algo, char *verify_str, u8 *vsum,
}
if (env_var) {
u8 *ptr;
ulong addr;
void *buf;
ptr = (u8 *)simple_strtoul(verify_str, NULL, 16);
memcpy(vsum, ptr, algo->digest_size);
addr = simple_strtoul(verify_str, NULL, 16);
buf = map_sysmem(addr, algo->digest_size);
memcpy(vsum, buf, algo->digest_size);
} else {
unsigned int i;
char *vsum_str;
@ -228,6 +234,7 @@ int hash_command(const char *algo_name, int flags, cmd_tbl_t *cmdtp, int flag,
struct hash_algo *algo;
u8 output[HASH_MAX_DIGEST_SIZE];
u8 vsum[HASH_MAX_DIGEST_SIZE];
void *buf;
algo = find_hash_algo(algo_name);
if (!algo) {
@ -241,8 +248,9 @@ int hash_command(const char *algo_name, int flags, cmd_tbl_t *cmdtp, int flag,
return 1;
}
algo->hash_func_ws((const unsigned char *)addr, len, output,
algo->chunk_size);
buf = map_sysmem(addr, len);
algo->hash_func_ws(buf, len, output, algo->chunk_size);
unmap_sysmem(buf);
/* Try to avoid code bloat when verify is not needed */
#ifdef CONFIG_HASH_VERIFY