x86: Store the GDT pointer in global_data
When we start up additional CPUs we want them to use the same Global
Descriptor Table. Store the address of this in global_data so we can
reference it later.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
diff --git a/arch/x86/cpu/cpu.c b/arch/x86/cpu/cpu.c
index 02e66d8..78eb3fe 100644
--- a/arch/x86/cpu/cpu.c
+++ b/arch/x86/cpu/cpu.c
@@ -133,6 +133,7 @@
void setup_gdt(gd_t *id, u64 *gdt_addr)
{
+ id->arch.gdt = gdt_addr;
/* CS: code, read/execute, 4 GB, base 0 */
gdt_addr[X86_GDT_ENTRY_32BIT_CS] = GDT_ENTRY(0xc09b, 0, 0xfffff);