diff options
| author | Huang, Ying <ying.huang@intel.com> | 2008-06-02 08:26:25 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2008-06-05 15:10:02 +0200 |
| commit | c45a707dbe35cb9aa6490223e5b1129fa3583948 (patch) | |
| tree | d9299dc6c099cc91c7a00370515146e3999ae5d5 /arch/x86/kernel/head.c | |
| parent | x86: extract common part of head32.c and head64.c into head.c (diff) | |
| download | linux-c45a707dbe35cb9aa6490223e5b1129fa3583948.tar.xz linux-c45a707dbe35cb9aa6490223e5b1129fa3583948.zip | |
x86: linked list of setup_data for i386
This patch adds linked list of struct setup_data supported for i386.
Signed-off-by: Huang Ying <ying.huang@intel.com>
Cc: andi@firstfloor.org
Cc: mingo@redhat.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86/kernel/head.c')
| -rw-r--r-- | arch/x86/kernel/head.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/x86/kernel/head.c b/arch/x86/kernel/head.c index e0d0ce58979e..a727c0b9819c 100644 --- a/arch/x86/kernel/head.c +++ b/arch/x86/kernel/head.c @@ -53,3 +53,21 @@ void __init reserve_ebda_region(void) /* reserve all memory between lowmem and the 1MB mark */ reserve_early(lowmem, 0x100000, "BIOS reserved"); } + +void __init reserve_setup_data(void) +{ + struct setup_data *data; + u64 pa_data; + char buf[32]; + + if (boot_params.hdr.version < 0x0209) + return; + pa_data = boot_params.hdr.setup_data; + while (pa_data) { + data = early_ioremap(pa_data, sizeof(*data)); + sprintf(buf, "setup data %x", data->type); + reserve_early(pa_data, pa_data+sizeof(*data)+data->len, buf); + pa_data = data->next; + early_iounmap(data, sizeof(*data)); + } +} |