cpu/x86/(sipi|smm): Pass on CR3 from ramstage

To allow for more flexibility like generating page tables at runtime or
page tables that are part of the ramstage, add a parameter to
sipi_vector.S and smm_stub.S so that APs use the same page tables as the
BSP during their initialization.

Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Change-Id: I1250ea6f63c65228178ee66e06d988dadfcc2a37
Reviewed-on: https://review.coreboot.org/c/coreboot/+/80335
Reviewed-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Jérémy Compostella <jeremy.compostella@intel.com>

src/include/cpu/x86/smm.h

@@ -109,6 +109,7 @@ struct smm_stub_params {
 	u32 stack_size;
 	u32 stack_top;
 	u32 c_handler;
+	u32 cr3;
 	/* The apic_id_to_cpu provides a mapping from APIC id to CPU number.
 	 * The CPU number is indicated by the index into the array by matching
 	 * the default APIC id and value at the index. The stub loader
@@ -165,6 +166,7 @@ struct smm_loader_params {
 	size_t num_concurrent_save_states;
 
 	smm_handler_t handler;
+	uint32_t cr3;
 };
 
 /* All of these return 0 on success, < 0 on failure. */