[PATCH v2 20/50] hash: Use Kconfig to enable hashing in host tools
Simon Glass
sjg at chromium.org
Thu May 6 16:24:08 CEST 2021
At present when building host tools, we force CONFIG_SHA1 to be enabled
regardless of the board Kconfig setting. This is done in the image.h
header file.
Clean this up by adding new Kconfig options to enable hashing on the host,
relying on CONFIG_IS_ENABLED() to deal with the different builds.
To make this work, we need to add hashing Kconfig options for SPL as well.
Signed-off-by: Simon Glass <sjg at chromium.org>
---
Changes in v2:
- Add SPL_ Kconfigs also, since otherwise hashing algorithms drop from SPL
common/hash.c | 37 ++++++++++++++-------------
common/spl/Kconfig | 63 ++++++++++++++++++++++++++++++++++++++++++++++
include/image.h | 4 ---
tools/Kconfig | 20 +++++++++++++++
4 files changed, 102 insertions(+), 22 deletions(-)
diff --git a/common/hash.c b/common/hash.c
index 10dff7ddb0e..987d238c66c 100644
--- a/common/hash.c
+++ b/common/hash.c
@@ -25,6 +25,7 @@
#else
#include "mkimage.h"
#include <time.h>
+#include <linux/kconfig.h>
#endif /* !USE_HOSTCC*/
#include <hash.h>
@@ -41,7 +42,7 @@ DECLARE_GLOBAL_DATA_PTR;
static void reloc_update(void);
-#if defined(CONFIG_SHA1) && !defined(CONFIG_SHA_PROG_HW_ACCEL)
+#if CONFIG_IS_ENABLED(SHA1) && !CONFIG_IS_ENABLED(SHA_PROG_HW_ACCEL)
static int hash_init_sha1(struct hash_algo *algo, void **ctxp)
{
sha1_context *ctx = malloc(sizeof(sha1_context));
@@ -69,7 +70,7 @@ static int hash_finish_sha1(struct hash_algo *algo, void *ctx, void *dest_buf,
}
#endif
-#if defined(CONFIG_SHA256) && !defined(CONFIG_SHA_PROG_HW_ACCEL)
+#if CONFIG_IS_ENABLED(SHA256) && !CONFIG_IS_ENABLED(SHA_PROG_HW_ACCEL)
static int hash_init_sha256(struct hash_algo *algo, void **ctxp)
{
sha256_context *ctx = malloc(sizeof(sha256_context));
@@ -97,7 +98,7 @@ static int hash_finish_sha256(struct hash_algo *algo, void *ctx, void
}
#endif
-#if defined(CONFIG_SHA384) && !defined(CONFIG_SHA_PROG_HW_ACCEL)
+#if CONFIG_IS_ENABLED(SHA384) && !CONFIG_IS_ENABLED(SHA_PROG_HW_ACCEL)
static int hash_init_sha384(struct hash_algo *algo, void **ctxp)
{
sha512_context *ctx = malloc(sizeof(sha512_context));
@@ -125,7 +126,7 @@ static int hash_finish_sha384(struct hash_algo *algo, void *ctx, void
}
#endif
-#if defined(CONFIG_SHA512) && !defined(CONFIG_SHA_PROG_HW_ACCEL)
+#if CONFIG_IS_ENABLED(SHA512) && !CONFIG_IS_ENABLED(SHA_PROG_HW_ACCEL)
static int hash_init_sha512(struct hash_algo *algo, void **ctxp)
{
sha512_context *ctx = malloc(sizeof(sha512_context));
@@ -213,17 +214,17 @@ static int hash_finish_crc32(struct hash_algo *algo, void *ctx, void *dest_buf,
* Note that algorithm names must be in lower case.
*/
static struct hash_algo hash_algo[] = {
-#ifdef CONFIG_SHA1
+#if CONFIG_IS_ENABLED(SHA1)
{
.name = "sha1",
.digest_size = SHA1_SUM_LEN,
.chunk_size = CHUNKSZ_SHA1,
-#ifdef CONFIG_SHA_HW_ACCEL
+#if CONFIG_IS_ENABLED(SHA_HW_ACCEL)
.hash_func_ws = hw_sha1,
#else
.hash_func_ws = sha1_csum_wd,
#endif
-#ifdef CONFIG_SHA_PROG_HW_ACCEL
+#if CONFIG_IS_ENABLED(SHA_PROG_HW_ACCEL)
.hash_init = hw_sha_init,
.hash_update = hw_sha_update,
.hash_finish = hw_sha_finish,
@@ -234,17 +235,17 @@ static struct hash_algo hash_algo[] = {
#endif
},
#endif
-#ifdef CONFIG_SHA256
+#if CONFIG_IS_ENABLED(SHA256)
{
.name = "sha256",
.digest_size = SHA256_SUM_LEN,
.chunk_size = CHUNKSZ_SHA256,
-#ifdef CONFIG_SHA_HW_ACCEL
+#if CONFIG_IS_ENABLED(SHA_HW_ACCEL)
.hash_func_ws = hw_sha256,
#else
.hash_func_ws = sha256_csum_wd,
#endif
-#ifdef CONFIG_SHA_PROG_HW_ACCEL
+#if CONFIG_IS_ENABLED(SHA_PROG_HW_ACCEL)
.hash_init = hw_sha_init,
.hash_update = hw_sha_update,
.hash_finish = hw_sha_finish,
@@ -255,17 +256,17 @@ static struct hash_algo hash_algo[] = {
#endif
},
#endif
-#ifdef CONFIG_SHA384
+#if CONFIG_IS_ENABLED(SHA384)
{
.name = "sha384",
.digest_size = SHA384_SUM_LEN,
.chunk_size = CHUNKSZ_SHA384,
-#ifdef CONFIG_SHA_HW_ACCEL
+#if CONFIG_IS_ENABLED(SHA_HW_ACCEL)
.hash_func_ws = hw_sha384,
#else
.hash_func_ws = sha384_csum_wd,
#endif
-#ifdef CONFIG_SHA_PROG_HW_ACCEL
+#if CONFIG_IS_ENABLED(SHA_PROG_HW_ACCEL)
.hash_init = hw_sha_init,
.hash_update = hw_sha_update,
.hash_finish = hw_sha_finish,
@@ -276,17 +277,17 @@ static struct hash_algo hash_algo[] = {
#endif
},
#endif
-#ifdef CONFIG_SHA512
+#if CONFIG_IS_ENABLED(SHA512)
{
.name = "sha512",
.digest_size = SHA512_SUM_LEN,
.chunk_size = CHUNKSZ_SHA512,
-#ifdef CONFIG_SHA_HW_ACCEL
+#if CONFIG_IS_ENABLED(SHA_HW_ACCEL)
.hash_func_ws = hw_sha512,
#else
.hash_func_ws = sha512_csum_wd,
#endif
-#ifdef CONFIG_SHA_PROG_HW_ACCEL
+#if CONFIG_IS_ENABLED(SHA_PROG_HW_ACCEL)
.hash_init = hw_sha_init,
.hash_update = hw_sha_update,
.hash_finish = hw_sha_finish,
@@ -318,9 +319,9 @@ static struct hash_algo hash_algo[] = {
};
/* Try to minimize code size for boards that don't want much hashing */
-#if defined(CONFIG_SHA256) || defined(CONFIG_CMD_SHA1SUM) || \
+#if CONFIG_IS_ENABLED(SHA256) || defined(CONFIG_CMD_SHA1SUM) || \
defined(CONFIG_CRC32_VERIFY) || defined(CONFIG_CMD_HASH) || \
- defined(CONFIG_SHA384) || defined(CONFIG_SHA512)
+ CONFIG_IS_ENABLED(SHA384) || CONFIG_IS_ENABLED(SHA512)
#define multi_hash() 1
#else
#define multi_hash() 0
diff --git a/common/spl/Kconfig b/common/spl/Kconfig
index d94b9892175..2570b220891 100644
--- a/common/spl/Kconfig
+++ b/common/spl/Kconfig
@@ -519,6 +519,69 @@ config SPL_HASH_SUPPORT
this option to build system-specific drivers for hash acceleration
as part of an SPL build.
+if SPL_HASH_SUPPORT
+
+config SPL_SHA1
+ bool "Enable SHA1 support in SPL"
+ depends on SHA1
+ default y
+ help
+ This option enables support of hashing using SHA1 algorithm.
+ The hash is calculated in software.
+ The SHA1 algorithm produces a 160-bit (20-byte) hash value
+ (digest).
+
+config SPL_SHA256
+ bool "Enable SHA256 support in SPL"
+ depends on SHA256
+ default y
+ help
+ This option enables support of hashing using SHA256 algorithm.
+ The hash is calculated in software.
+ The SHA256 algorithm produces a 256-bit (32-byte) hash value
+ (digest).
+
+config SPL_SHA384
+ bool "Enable SHA384 support in SPL"
+ depends on SHA384
+ default y
+ help
+ This option enables support of hashing using SHA384 algorithm.
+ The hash is calculated in software.
+ The SHA384 algorithm produces a 384-bit (48-byte) hash value
+ (digest).
+
+config SPL_SHA512
+ bool "Enable SHA512 support in SPL"
+ depends on SHA512
+ default y
+ help
+ This option enables support of hashing using SHA512 algorithm.
+ The hash is calculated in software.
+ The SHA512 algorithm produces a 512-bit (64-byte) hash value
+ (digest).
+
+config SPL_SHA_HW_ACCEL
+ bool "Enable hashing using hardware in SPL"
+ depends on SHA_HW_ACCEL
+ default y
+ help
+ This option enables hardware acceleration for SHA hashing.
+ This affects the 'hash' command and also the hash_lookup_algo()
+ function.
+
+config SPL_SHA_PROG_HW_ACCEL
+ bool "Enable Progressive hashing support using hardware in SPL"
+ depends on SHA_PROG_HW_ACCEL
+ default y
+ help
+ This option enables hardware-acceleration for SHA progressive
+ hashing.
+ Data can be streamed in a block at a time and the hashing is
+ performed in hardware.
+
+endif
+
config TPL_HASH_SUPPORT
bool "Support hashing drivers in TPL"
depends on TPL
diff --git a/include/image.h b/include/image.h
index 3284f36c97a..61da0abace7 100644
--- a/include/image.h
+++ b/include/image.h
@@ -34,10 +34,6 @@ struct fdt_region;
#define CONFIG_FIT_SHA256
#define CONFIG_FIT_SHA384
#define CONFIG_FIT_SHA512
-#define CONFIG_SHA1
-#define CONFIG_SHA256
-#define CONFIG_SHA384
-#define CONFIG_SHA512
#define IMAGE_ENABLE_IGNORE 0
#define IMAGE_INDENT_STRING ""
diff --git a/tools/Kconfig b/tools/Kconfig
index f00ab661135..5c3e485a298 100644
--- a/tools/Kconfig
+++ b/tools/Kconfig
@@ -34,4 +34,24 @@ config HOST_FIT_SIGNATURE_MAX_SIZE
depends on HOST_FIT_SIGNATURE
default 0x10000000
+config HOST_SHA1
+ def_bool y
+ help
+ Enable SHA1 support in the host build.
+
+config HOST_SHA256
+ def_bool y
+ help
+ Enable SHA256 support in the host build.
+
+config HOST_SHA384
+ def_bool y
+ help
+ Enable SHA384 support in the host build.
+
+config HOST_SHA512
+ def_bool y
+ help
+ Enable SHA512 support in the host build.
+
endmenu
--
2.31.1.607.g51e8a6a459-goog
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