[PATCH] Add sysinfo_have_multiboot function

Add a new infrastructure for returning system information to payloads.
First up - a pointer to the multiboot table.

Signed-off-by: Jordan Crouse <jordan@cosmicpenguin.net>
Acked-by: Peter Stuge <peter@stuge.se>



git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3743 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

2 files changed, 11 insertions, 0 deletions

diff --git a/payloads/libpayload/include/libpayload.h b/payloads/libpayload/include/libpayload.h
index 66d114e8f1..6d48279628 100644
--- a/payloads/libpayload/include/libpayload.h
+++ b/payloads/libpayload/include/libpayload.h
@@ -421,6 +421,15 @@ int lfclose(struct LFILE *file);
 /** @} */
 
 /**
+ * @defgroup info System information functions
+ * This module contains functions that return information about the system
+ * @{
+ */
+
+int sysinfo_have_multiboot(unsigned long *addr);
+/** @} */
+
+/**
  * @defgroup arch Architecture specific functions
  * This module contains global architecture specific functions.
  * All architectures are expected to define these functions.
diff --git a/payloads/libpayload/include/sysinfo.h b/payloads/libpayload/include/sysinfo.h
index a9d7d122fb..3b2c69c61d 100644
--- a/payloads/libpayload/include/sysinfo.h
+++ b/payloads/libpayload/include/sysinfo.h
@@ -48,6 +48,8 @@ struct sysinfo_t {
 	u32 cmos_range_start;
 	u32 cmos_range_end;
 	u32 cmos_checksum_location;
+
+	unsigned long *mbtable; /** Pointer to the multiboot table */
 };
 
 extern struct sysinfo_t lib_sysinfo;