linux-kernel - [PATCH 07/12] x86: Add a static initializer for IDTs

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Message-Id: <4d0ab6d642a4edc3ecc7367df7043ecc8f0a7f98.1224903712.git.ice799@gmail.com>
Date:	Fri, 24 Oct 2008 20:15:27 -0700
From:	Joe Damato <ice799@...il.com>
To:	linux-x86_64@...r.kernel.org, linux-newbie@...r.kernel.org,
	kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:	Joe Damato <ice799@...il.com>
Subject: [PATCH 07/12] x86: Add a static initializer for IDTs

Add static intializer for IDT entries.

Signed-off-by: Joe Damato <ice799@...il.com>
---
 include/asm-x86/desc_defs.h |    9 +++++++++
 1 files changed, 9 insertions(+), 0 deletions(-)

diff --git a/include/asm-x86/desc_defs.h b/include/asm-x86/desc_defs.h
index d6a5310..a1c6516 100644
--- a/include/asm-x86/desc_defs.h
+++ b/include/asm-x86/desc_defs.h
@@ -82,6 +82,15 @@ typedef struct desc_struct tss_desc;
 #define ldttss_offset(d)	(((d).base2 << 24 ) | ((d).base1 << 16) |\
 				 ((d).base0 & 0x0000ffff))
 #define ldttss_limit(d)		((d).limit0)
+#define __IDT_INITIALIZER(lo,hi) \
+                { .base0 = lo & 0xffff \
+                , .seg_sel = (lo >> 16) & 0xffff \
+                , .reserved = 0 \
+                , .type = (hi >> 8) & 0xf \
+                , .zero = 0 \
+                , .dpl = (hi >> 13) & 3 \
+                , .p   = (hi >> 15) & 1 \
+                , .base1 = (hi >> 16) & 0xffff }
 #endif
 
 struct desc_ptr {
-- 
1.5.4.3

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