lib: put romstage_handoff implementation in own compilation unit

Instead of putting all the functions inline just put the
current implementation into a C file. That way all the implementation
innards are not exposed.

Lastly, fix up the fallout of compilation units not including the
headers they actually use.

Change-Id: I01fd25d158c0d5016405b73a4d4df3721c281b04
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/17648
Tested-by: build bot (Jenkins)
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-by: Furquan Shaikh <furquan@google.com>

1 files changed, 2 insertions, 72 deletions

diff --git a/src/include/romstage_handoff.h b/src/include/romstage_handoff.h
index 9e254cd80757..1a6bbf72458d 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 */