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authorHuang, Ying <ying.huang@intel.com>2008-06-02 02:26:25 -0400
committerThomas Gleixner <tglx@linutronix.de>2008-06-05 09:10:02 -0400
commitc45a707dbe35cb9aa6490223e5b1129fa3583948 (patch)
treed9299dc6c099cc91c7a00370515146e3999ae5d5 /arch/x86/kernel/head.c
parent0c51a965ed3c44dd50497e74492a015680e49899 (diff)
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.c18
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)
53 /* reserve all memory between lowmem and the 1MB mark */ 53 /* reserve all memory between lowmem and the 1MB mark */
54 reserve_early(lowmem, 0x100000, "BIOS reserved"); 54 reserve_early(lowmem, 0x100000, "BIOS reserved");
55} 55}
56
57void __init reserve_setup_data(void)
58{
59 struct setup_data *data;
60 u64 pa_data;
61 char buf[32];
62
63 if (boot_params.hdr.version < 0x0209)
64 return;
65 pa_data = boot_params.hdr.setup_data;
66 while (pa_data) {
67 data = early_ioremap(pa_data, sizeof(*data));
68 sprintf(buf, "setup data %x", data->type);
69 reserve_early(pa_data, pa_data+sizeof(*data)+data->len, buf);
70 pa_data = data->next;
71 early_iounmap(data, sizeof(*data));
72 }
73}