[U-Boot] [PATCH v3 21/22] sandbox: Allow hash functions to work correctly

[Simon Glass]

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

Signed-off-by: Simon Glass <s...@chromium.org>
---
Changes in v3: None
Changes in v2:
- Rebase on top of earlier patches

 common/hash.c | 24 ++++++++++++++++--------
 1 file changed, 16 insertions(+), 8 deletions(-)

diff --git a/common/hash.c b/common/hash.c
index 2617316..d6f4aa1 100644
--- a/common/hash.c
+++ b/common/hash.c
@@ -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
-- 
1.8.1.3

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