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| author | Pan, Jacob jun <jacob.jun.pan@intel.com> | 2009-08-28 23:52:47 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2009-08-31 11:09:40 +0200 |
| commit | 162bc7ab01a00eba1c5d614e64a51e1268ee3f96 (patch) | |
| tree | 50bc4b6019cb272e2f3de6253a9ce68c8a7f483e | |
| parent | x86: Add early platform detection (diff) | |
| download | linux-162bc7ab01a00eba1c5d614e64a51e1268ee3f96.tar.xz linux-162bc7ab01a00eba1c5d614e64a51e1268ee3f96.zip | |
x86: Add hardware_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.
[ tglx: Cleanup and paravirt fix ]
Signed-off-by: Jacob Pan <jacob.jun.pan@intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| -rw-r--r-- | Documentation/x86/boot.txt | 1 | ||||
| -rw-r--r-- | arch/x86/include/asm/bootparam.h | 10 | ||||
| -rw-r--r-- | arch/x86/kernel/head_32.S | 1 |
3 files changed, 12 insertions, 0 deletions
diff --git a/Documentation/x86/boot.txt b/Documentation/x86/boot.txt index 8da3a795083f..30b43e1b2697 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 1724e8de317c..283a9a1b3efd 100644 --- a/arch/x86/include/asm/bootparam.h +++ b/arch/x86/include/asm/bootparam.h @@ -109,4 +109,14 @@ struct boot_params { __u8 _pad9[276]; /* 0xeec */ } __attribute__((packed)); +enum { + X86_SUBARCH_PC = 0, + X86_SUBARCH_LGUEST, + X86_SUBARCH_XEN, + X86_SUBARCH_MRST, + X86_NR_SUBARCHS, +}; + + + #endif /* _ASM_X86_BOOTPARAM_H */ diff --git a/arch/x86/kernel/head_32.S b/arch/x86/kernel/head_32.S index cc827ac9e8d3..304e3f3d747b 100644 --- a/arch/x86/kernel/head_32.S +++ b/arch/x86/kernel/head_32.S @@ -157,6 +157,7 @@ subarch_entries: .long default_entry /* normal x86/PC */ .long lguest_entry /* lguest hypervisor */ .long xen_entry /* Xen hypervisor */ + .long default_entry /* Moorestown MID */ num_subarch_entries = (. - subarch_entries) / 4 .previous #endif /* CONFIG_PARAVIRT */ |