New patch to review for coreboot: Define check_member() and KHz/MHz/GHz in stddef.h

[Stefan Reinauer]

Stefan Reinauer ([e-mail]) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/10788

-gerrit

commit 4c3b4bcc71e21fe5477bd29719e8d50ec5e83cef
Author: Daisuke Nojiri <[e-mail]>
Date:   Mon Jun 29 13:33:34 2015 -0700

    Define check_member() and KHz/MHz/GHz in stddef.h
    
    BUG=none
    BRANCH=tot
    TEST=built coreboot/libpayload for veyron_jerry
    
    Change-Id: I17885e08840f42d1400660f075acc7c054bb9d33
    Signed-off-by: Stefan Reinauer <[e-mail]>
    Original-Commit-Id:
    Original-Change-Id: I30e6d87c9de827a214a6100449cd716e773c2ba3
    Original-Signed-off-by: Daisuke Nojiri <[e-mail]>
    Original-Reviewed-on: https://chromium-review.googlesource.com/282587
    Original-Reviewed-by: Randall Spangler <[e-mail]>
---
 payloads/libpayload/include/stddef.h | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/payloads/libpayload/include/stddef.h b/payloads/libpayload/include/stddef.h
index bb2971d..fe455b8 100644
--- a/payloads/libpayload/include/stddef.h
+++ b/payloads/libpayload/include/stddef.h
@@ -16,7 +16,15 @@ typedef __SIZE_TYPE__ ssize_t;
 #define offsetof(TYPE, MEMBER)	((size_t) &((TYPE *) 0)->MEMBER)
 #define member_size(TYPE, MEMBER)	(sizeof(((TYPE *) 0)->MEMBER))
 
+#define check_member(structure, member, offset) _Static_assert( \
+	offsetof(struct structure, member) == offset, \
+	"`struct " #structure "` offset for `" #member "` is not " #offset)
+
 /* Standard units. */
 #define KiB (1<<10)
 #define MiB (1<<20)
 #define GiB (1<<30)
+
+#define KHz (1000)
+#define MHz (1000*KHz)
+#define GHz (1000*MHz)