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


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