[PATCH 1/7] x86/boot: adding hw subarch ID for Moorestown

Pan, Jacob jun
2009-08-28T21:52:50Z

>From 2de4f68e7b0403bb39954d7c2e3d5097d0e6e3ac Mon Sep 17 00:00:00 2001
From: Jacob Pan <jacob.jun.pan@intel.com>
Date: Thu, 11 Jun 2009 20:34:47 -0700
Subject: [PATCH] x86/boot: adding hw subarch ID for Moorestown

x86 bootprotocol 2.07 has introduced hardware_subarch ID in the boot
parameters provided by FW. We use it to identify Moorestown platforms.

The subarchitecture ID will help select a set of platform features and
x86_quirks.

Signed-off-by: Jacob Pan <jacob.jun.pan@intel.com>
---
Documentation/x86/boot.txt | 1 +
arch/x86/include/asm/bootparam.h | 11 +++++++++++
2 files changed, 12 insertions(+), 0 deletions(-)

diff --git a/Documentation/x86/boot.txt b/Documentation/x86/boot.txt
index 8da3a79..30b43e1 100644
--- a/Documentation/x86/boot.txt
+++ b/Documentation/x86/boot.txt
@@ -599,6 +599,7 @@ Protocol: 2.07+
0x00000000 The default x86/PC environment
0x00000001 lguest
0x00000002 Xen
+ 0x00000003 Moorestown MID

Field name: hardware_subarch_data
Type: write (subarch-dependent)
diff --git a/arch/x86/include/asm/bootparam.h b/arch/x86/include/asm/bootparam.h
index 1724e8d..631cae9 100644
--- a/arch/x86/include/asm/bootparam.h
+++ b/arch/x86/include/asm/bootparam.h
@@ -109,4 +109,15 @@ struct boot_params {
__u8 _pad9[276]; /* 0xeec */
} __attribute__((packed));

+#define N_X86_SUBARCHS 4
+
+enum {
+ X86_SUBARCH_PC = 0,
+ X86_SUBARCH_LGUEST,
+ X86_SUBARCH_XEN,
+ X86_SUBARCH_MRST,
+};
+
+
+
#endif /* _ASM_X86_BOOTPARAM_H */
--
1.5.6.5