New patch to review for coreboot: lib/cbmem: allow anyone to use cbmem_possibly_online()

[Aaron Durbin]

Aaron Durbin ([e-mail]) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/17868

-gerrit

commit 7d48bc9a12ab8655829e1bd1a88a23ada4c5a374
Author: Aaron Durbin 
Date:   Wed Dec 14 14:40:43 2016 -0600

lib/cbmem: allow anyone to use cbmem_possibly_online()

The cbmem_possibly_online() is a helpful construct. Therefore,
    push it into cbmem.h so other users can take advantage of it.

BUG=chrome-os-partner:60592
    BRANCH=reef

Change-Id: If5a1c7815ed03874dcf141014b8ffefb82b7cc92
    Signed-off-by: Aaron Durbin 
---
 src/include/cbmem.h  | 16 ++++++++++++++++
 src/vboot/bootmode.c | 17 +----------------
 2 files changed, 17 insertions(+), 16 deletions(-)

diff --git a/src/include/cbmem.h b/src/include/cbmem.h
index 5c4b7c7..c13fe92 100644
--- a/src/include/cbmem.h
+++ b/src/include/cbmem.h
@@ -158,4 +158,20 @@ void set_top_of_ram(uint64_t ramtop);
 void backup_top_of_ram(uint64_t ramtop);
 #endif

+/*
+ * Returns 0 for the stages where we know that cbmem does not come online.
+ * Even if this function returns 1 for romstage, depending upon the point in
+ * bootup, cbmem might not actually be online.
+ */
+static inline int cbmem_possibly_online(void)
+{
+	if (ENV_BOOTBLOCK)
+		return 0;
+
+	if (ENV_VERSTAGE && IS_ENABLED(CONFIG_VBOOT_STARTS_IN_BOOTBLOCK))
+		return 0;
+
+	return 1;
+}
+
 #endif /* _CBMEM_H_ */
diff --git a/src/vboot/bootmode.c b/src/vboot/bootmode.c
index 5bb7040..46b78e1 100644
--- a/src/vboot/bootmode.c
+++ b/src/vboot/bootmode.c
@@ -16,6 +16,7 @@
 #include <assert.h>
 #include <bootmode.h>
 #include <bootstate.h>
+#include <cbmem.h>
 #include <rules.h>
 #include <string.h>
 #include <vb2_api.h>
@@ -68,22 +69,6 @@ BOOT_STATE_INIT_ENTRY(BS_DEV_INIT, BS_ON_EXIT,
    	      vb2_clear_recovery_reason_vbnv, NULL);

/*
- * Returns 0 for the stages where we know that cbmem does not come online.
- * Even if this function returns 1 for romstage, depending upon the point in
- * bootup, cbmem might not actually be online.
- */
-static int cbmem_possibly_online(void)
-{
-	if (ENV_BOOTBLOCK)
-		return 0;
-
-	if (ENV_VERSTAGE && IS_ENABLED(CONFIG_VBOOT_STARTS_IN_BOOTBLOCK))
-		return 0;
-
-	return 1;
-}
-
-/*
  * Returns 1 if vboot is being used and currently in a stage which might have
  * already executed vboot verification.
  */