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x86: linked list of setup_data for i386

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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>
This commit is contained in:
Huang, Ying
2008-06-02 14:26:25 +08:00
committed by Thomas Gleixner
parent 0c51a965ed
commit c45a707dbe
6 changed files with 46 additions and 40 deletions
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22
arch/x86/kernel/setup.c
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@@ -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);
}
}