lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

x86: linked list of setup_data for i386

Browse Source 
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
Download Patch File Download Diff File Expand all files Collapse all files

18
arch/x86/kernel/head.c
View File

@ -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));
}
}