mb/emulation/x86: Add optional parallel_mp init support
This makes it possible to select both the legacy LAPIC AP init or the
newer parallel MP init.
Tested on i440fx with -smp 32.
Change-Id: I007b052ccd3c34648cd172344d55768232acfd88
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/48210
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Rudolph <siro@das-labor.org>
diff --git a/src/cpu/qemu-x86/Kconfig b/src/cpu/qemu-x86/Kconfig
index 2402932..641cea8 100644
--- a/src/cpu/qemu-x86/Kconfig
+++ b/src/cpu/qemu-x86/Kconfig
@@ -10,6 +10,19 @@
# coreboot i440fx does not support SMM
choice
+ prompt "AP init"
+ default CPU_QEMU_X86_LAPIC_INIT
+
+config CPU_QEMU_X86_LAPIC_INIT
+ bool "Legacy serial LAPIC init"
+
+config CPU_QEMU_X86_PARALLEL_MP
+ bool "Parallel MP init"
+ select PARALLEL_MP
+
+endchoice
+
+choice
prompt "SMM support"
default CPU_QEMU_X86_ASEG_SMM
depends on BOARD_EMULATION_QEMU_X86_Q35
@@ -20,6 +33,7 @@
config CPU_QEMU_X86_ASEG_SMM
bool "SMM in ASEG"
+ depends on !PARALLEL_MP
select SMM_ASEG
#config CPU_QEMU_X86_TSEG_SMM