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authorAaron Durbin <adurbin@chromium.org>2016-11-29 21:22:42 -0600
committerAaron Durbin <adurbin@chromium.org>2016-12-01 08:16:27 +0100
commit6c191d8af41859dd94a01c6a868a9186d0120923 (patch)
tree245fbd677b74dd4dba8dd25c234313d2fc6771ae /src/include
parent77e13997d33ce8011f711c2001f82113320511fa (diff)
romstage_handoff: add helper to determine resume status
Instead of having callers query the romstage handoff resume status by inspecting the object themselves add romstage_handoff_is_resume() so that the same information can be queried easily. Change-Id: I40f3769b7646bf296ee4bc323a9ab1d5e5691e21 Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: https://review.coreboot.org/17647 Tested-by: build bot (Jenkins) Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-by: Furquan Shaikh <furquan@google.com>
Diffstat (limited to 'src/include')
-rw-r--r--src/include/romstage_handoff.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/src/include/romstage_handoff.h b/src/include/romstage_handoff.h
index 3eba0fdaf1..9e254cd807 100644
--- a/src/include/romstage_handoff.h
+++ b/src/include/romstage_handoff.h
@@ -78,4 +78,17 @@ static inline int romstage_handoff_init(int is_s3_resume)
return 0;
}
+/* 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;
+}
+
#endif /* ROMSTAGE_HANDOFF_H */