diff options
| author | Aaron Durbin <adurbin@chromium.org> | 2015-03-09 15:41:16 -0500 |
|---|---|---|
| committer | Aaron Durbin <adurbin@google.com> | 2015-03-10 14:26:14 +0100 |
| commit | 1a7da5c3ee4e2492dd021cefdcc72ab17c85f164 (patch) | |
| tree | d73116f4cb5f8f59fd4bdbb84099d39f777264bc /src/arch | |
| parent | db9d169ddb1cda58d1d42f20c2d6c1b99e0200ed (diff) | |
x86: simplify early_variables.h header
The CAR macros and the associated functions are only employed
under the following conditions:
- chipsets which have CAR
- compilation during romstage
Therefore clean up the build-time conditionals to use those 2
constructs.
Change-Id: I2b923feeb68f2b964c5ac57e11391313d9c8ffc5
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/8634
Tested-by: build bot (Jenkins)
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Diffstat (limited to 'src/arch')
| -rw-r--r-- | src/arch/x86/include/arch/early_variables.h | 16 |
1 files changed, 5 insertions, 11 deletions
diff --git a/src/arch/x86/include/arch/early_variables.h b/src/arch/x86/include/arch/early_variables.h index 5394af342a..c6afceb700 100644 --- a/src/arch/x86/include/arch/early_variables.h +++ b/src/arch/x86/include/arch/early_variables.h @@ -20,7 +20,7 @@ #ifndef ARCH_EARLY_VARIABLES_H #define ARCH_EARLY_VARIABLES_H -#ifdef __PRE_RAM__ +#if defined(__PRE_RAM__) && IS_ENABLED(CONFIG_CACHE_AS_RAM) asm(".section .car.global_data,\"w\",@nobits"); asm(".previous"); #ifdef __clang__ @@ -28,11 +28,7 @@ asm(".previous"); #else #define CAR_GLOBAL __attribute__((used,section(".car.global_data#"))) #endif /* __clang__ */ -#else -#define CAR_GLOBAL -#endif -#if defined(__PRE_RAM__) #define CAR_MIGRATE_ATTR __attribute__ ((used,section (".car.migrate"))) /* Call migrate_fn_() when CAR globals are migrated. */ @@ -54,18 +50,16 @@ void *car_sync_var_ptr(void *var); #define car_set_var(var, val) \ do { car_get_var(var) = (val); } while(0) +/* Migrate the CAR variables to memory. */ +void car_migrate_variables(void); + #else +#define CAR_GLOBAL #define CAR_MIGRATE(migrate_fn_) static inline void *car_get_var_ptr(void *var) { return var; } #define car_get_var(var) (var) #define car_sync_var(var) (var) #define car_set_var(var, val) do { (var) = (val); } while (0) -#endif - -#if defined(__PRE_RAM__) && IS_ENABLED(CONFIG_CACHE_AS_RAM) -/* Migrate the CAR variables to memory. */ -void car_migrate_variables(void); -#else static inline void car_migrate_variables(void) { } #endif |