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| author | Mike Frysinger <vapier@gentoo.org> | 2011-07-08 10:44:25 +0000 |
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2011-07-26 16:33:49 +0200 |
| commit | c3eb3fe490daeb3746e5b1fe354ff1a19eb3e3a8 (patch) | |
| tree | 8b7079a1f5d958f6806b952f92f8d1640bcff27b | |
| parent | 8875bdb34161f9fff13757161fa7d89846003d00 (diff) | |
| download | u-boot-c3eb3fe490daeb3746e5b1fe354ff1a19eb3e3a8.tar.gz u-boot-c3eb3fe490daeb3746e5b1fe354ff1a19eb3e3a8.tar.xz u-boot-c3eb3fe490daeb3746e5b1fe354ff1a19eb3e3a8.zip | |
env: allow people to force envcrc building
For people who want to manually extract the embedded environment so that
it can be manually packed into the final u-boot image, add a config opt
to force building of the envcrc tool.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
| -rw-r--r-- | README | 5 | ||||
| -rw-r--r-- | common/env_embedded.c | 2 | ||||
| -rw-r--r-- | include/common.h | 5 | ||||
| -rw-r--r-- | tools/envcrc.c | 10 |
4 files changed, 18 insertions, 4 deletions
@@ -2563,6 +2563,11 @@ The following definitions that deal with the placement and management of environment data (variable area); in general, we support the following configurations: +- CONFIG_BUILD_ENVCRC: + + Builds up envcrc with the target environment so that external utils + may easily extract it and embed it in final U-Boot images. + - CONFIG_ENV_IS_IN_FLASH: Define this if the environment is in flash memory. diff --git a/common/env_embedded.c b/common/env_embedded.c index ae6cac4390..e438575d44 100644 --- a/common/env_embedded.c +++ b/common/env_embedded.c @@ -44,7 +44,7 @@ * Generate embedded environment table * inside U-Boot image, if needed. */ -#if defined(ENV_IS_EMBEDDED) +#if defined(ENV_IS_EMBEDDED) || defined(CONFIG_BUILD_ENVCRC) /* * Only put the environment in it's own section when we are building * U-Boot proper. The host based program "tools/envcrc" does not need diff --git a/include/common.h b/include/common.h index 2c779ed83d..3113580bf8 100644 --- a/include/common.h +++ b/include/common.h @@ -761,4 +761,9 @@ int cpu_release(int nr, int argc, char * const argv[]); #define ALIGN(x,a) __ALIGN_MASK((x),(typeof(x))(a)-1) #define __ALIGN_MASK(x,mask) (((x)+(mask))&~(mask)) +/* Pull in stuff for the build system */ +#ifdef DO_DEPS_ONLY +# include <environment.h> +#endif + #endif /* __COMMON_H_ */ diff --git a/tools/envcrc.c b/tools/envcrc.c index c8c50d7196..feebbabea0 100644 --- a/tools/envcrc.c +++ b/tools/envcrc.c @@ -60,6 +60,10 @@ # endif #endif /* CONFIG_ENV_IS_IN_FLASH */ +#if defined(ENV_IS_EMBEDDED) && !defined(CONFIG_BUILD_ENVCRC) +# define CONFIG_BUILD_ENVCRC 1 +#endif + #ifdef CONFIG_SYS_REDUNDAND_ENVIRONMENT # define ENV_HEADER_SIZE (sizeof(uint32_t) + 1) #else @@ -71,14 +75,14 @@ extern uint32_t crc32 (uint32_t, const unsigned char *, unsigned int); -#ifdef ENV_IS_EMBEDDED +#ifdef CONFIG_BUILD_ENVCRC extern unsigned int env_size; extern unsigned char environment; -#endif /* ENV_IS_EMBEDDED */ +#endif /* CONFIG_BUILD_ENVCRC */ int main (int argc, char **argv) { -#ifdef ENV_IS_EMBEDDED +#ifdef CONFIG_BUILD_ENVCRC unsigned char pad = 0x00; uint32_t crc; unsigned char *envptr = &environment, |