From: Pan, Jacob jun Date: Fri, 28 Aug 2009 21:52:47 +0000 (-0700) Subject: x86: Add hardware_subarch ID for Moorestown X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=162bc7ab01a00eba1c5d614e64a51e1268ee3f96;p=linux.git 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 Signed-off-by: Thomas Gleixner --- diff --git a/Documentation/x86/boot.txt b/Documentation/x86/boot.txt index 8da3a795083fe..30b43e1b26979 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 1724e8de317c5..283a9a1b3efd8 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 cc827ac9e8d35..304e3f3d747b7 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 */