diff options
Diffstat (limited to 'src/include')
-rw-r--r-- | src/include/romstage_handoff.h | 74 |
1 files changed, 2 insertions, 72 deletions
diff --git a/src/include/romstage_handoff.h b/src/include/romstage_handoff.h index 9e254cd807..1a6bbf7245 100644 --- a/src/include/romstage_handoff.h +++ b/src/include/romstage_handoff.h @@ -15,80 +15,10 @@ #ifndef ROMSTAGE_HANDOFF_H #define ROMSTAGE_HANDOFF_H -#include <stdint.h> -#include <string.h> -#include <cbmem.h> -#include <console/console.h> -#include <rules.h> - -/* It is the chipset's responsibility for maintaining the integrity of this - * structure in CBMEM. For instance, if chipset code adds this structure - * using the CBMEM_ID_ROMSTAGE_INFO id it needs to ensure it doesn't clobber - * fields it doesn't own. */ -struct romstage_handoff { - /* Indicate if the current boot is an S3 resume. If - * CONFIG_RELOCTABLE_RAMSTAGE is enabled the chipset code is - * responsible for initializing this variable. Otherwise, ramstage - * will be re-loaded from cbfs (which can be slower since it lives - * in flash). */ - uint8_t s3_resume; - uint8_t reboot_required; - uint8_t reserved[2]; -}; - -/* The romstage_handoff_find_or_add() function provides the necessary logic - * for initializing the romstage_handoff structure in cbmem. Different components - * of the romstage may be responsible for setting up different fields. Therefore - * that same logic flow should be used for allocating and initializing the - * structure. A newly allocated structure will be memset to 0. */ -static inline struct romstage_handoff *romstage_handoff_find_or_add(void) -{ - struct romstage_handoff *handoff; - - /* cbmem_add() first does a find and uses the old location before the - * real add. However, it is important to know when the structure is not - * found so it can be initialized to 0. */ - handoff = cbmem_find(CBMEM_ID_ROMSTAGE_INFO); - - if (handoff) - return handoff; - - handoff = cbmem_add(CBMEM_ID_ROMSTAGE_INFO, sizeof(*handoff)); - - if (handoff != NULL) - memset(handoff, 0, sizeof(*handoff)); - else - printk(BIOS_DEBUG, "Romstage handoff structure not added!\n"); - - return handoff; -} - /* Returns 0 if initialized. Else < 0 if handoff structure not added. */ -static inline int romstage_handoff_init(int is_s3_resume) -{ - struct romstage_handoff *handoff; - - handoff = romstage_handoff_find_or_add(); - - if (handoff == NULL) - return -1; - - handoff->s3_resume = is_s3_resume; - - return 0; -} +int romstage_handoff_init(int is_s3_resume); /* Return 1 if resuming or 0 if not. */ -static inline int romstage_handoff_is_resume(void) -{ - struct romstage_handoff *handoff; - - handoff = cbmem_find(CBMEM_ID_ROMSTAGE_INFO); - - if (handoff == NULL) - return 0; - - return handoff->s3_resume; -} +int romstage_handoff_is_resume(void); #endif /* ROMSTAGE_HANDOFF_H */ |