[PATCH 16/35] global_data: Use less space for environment fields
Simon Glass
sjg at chromium.org
Wed Jul 24 17:09:03 CEST 2024
Use shorter types for some of these fields to save space. Reorder to put
fields with like alignment together.
Signed-off-by: Simon Glass <sjg at chromium.org>
---
include/asm-generic/global_data.h | 14 +++++++-------
include/env_internal.h | 1 +
2 files changed, 8 insertions(+), 7 deletions(-)
diff --git a/include/asm-generic/global_data.h b/include/asm-generic/global_data.h
index d8be0654a87..0904fcf77fc 100644
--- a/include/asm-generic/global_data.h
+++ b/include/asm-generic/global_data.h
@@ -113,21 +113,21 @@ struct global_data {
*/
unsigned long env_addr;
/**
- * @env_valid: environment is valid
+ * @env_has_init: bit mask indicating environment locations
*
- * See &enum env_valid
+ * &enum env_location defines which bit relates to which location
*/
- unsigned long env_valid;
+ unsigned short env_has_init;
/**
- * @env_has_init: bit mask indicating environment locations
+ * @env_valid: environment is valid
*
- * &enum env_location defines which bit relates to which location
+ * See &enum env_valid
*/
- unsigned long env_has_init;
+ unsigned char env_valid;
/**
* @env_load_prio: priority of the loaded environment
*/
- int env_load_prio;
+ char env_load_prio;
/**
* @ram_base: base address of RAM used by U-Boot
*/
diff --git a/include/env_internal.h b/include/env_internal.h
index cbd1ef3e914..2a66a98b97e 100644
--- a/include/env_internal.h
+++ b/include/env_internal.h
@@ -101,6 +101,7 @@ extern const char default_environment[];
#include <env_flags.h>
#include <search.h>
+/* this is stored as bits in gd->env_has_init so is limited to 16 entries */
enum env_location {
ENVL_UNKNOWN,
ENVL_EEPROM,
--
2.34.1
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