From bd091b67d0ef2959ed0ff2aa6575ddb0d21c1f71 Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Sun, 24 Feb 2013 17:33:31 +0000 Subject: sandbox: Allow hash functions to work correctly Use map_sysmem() so that hashing is possible on sandbox. Signed-off-by: Simon Glass --- common/hash.c | 24 ++++++++++++++++-------- 1 file changed, 16 insertions(+), 8 deletions(-) (limited to 'common') diff --git a/common/hash.c b/common/hash.c index ef6fe375d2..0d04c4c9a0 100644 --- a/common/hash.c +++ b/common/hash.c @@ -28,6 +28,7 @@ #include #include #include +#include /* * 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 -- cgit v1.2.3