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authorHuang, Ying <ying.huang@intel.com>2008-06-02 14:26:25 +0800
committerThomas Gleixner <tglx@linutronix.de>2008-06-05 15:10:02 +0200
commitc45a707dbe35cb9aa6490223e5b1129fa3583948 (patch)
treed9299dc6c099cc91c7a00370515146e3999ae5d5 /arch/x86/kernel/setup.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/setup.c')
-rw-r--r--arch/x86/kernel/setup.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 6f80b852a19..0a281f2c715 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -137,3 +137,25 @@ void __init setup_per_cpu_areas(void)
}
#endif
+
+void __init parse_setup_data(void)
+{
+ struct setup_data *data;
+ u64 pa_data;
+
+ if (boot_params.hdr.version < 0x0209)
+ return;
+ pa_data = boot_params.hdr.setup_data;
+ while (pa_data) {
+ data = early_ioremap(pa_data, PAGE_SIZE);
+ switch (data->type) {
+ default:
+ break;
+ }
+#ifndef CONFIG_DEBUG_BOOT_PARAMS
+ free_early(pa_data, pa_data+sizeof(*data)+data->len);
+#endif
+ pa_data = data->next;
+ early_iounmap(data, PAGE_SIZE);
+ }
+}