From 18ad7fa51f5c6560c9d7a9bcf68e9e277e37cd49 Mon Sep 17 00:00:00 2001
From: Patrick Rudolph <patrick.rudolph@9elements.com>
Date: Sun, 1 Dec 2019 07:23:59 +0100
Subject: cpu/x86/sipi: Add x86_64 support

Enter long mode on secondary APs.

Tested on Lenovo T410 with additional x86_64 patches.
Tested on HP Z220 with additional x86_64 patches.

Still boots on x86_32.

Change-Id: I916dd8482d56c7509af9ad0d3b9c28bdc48fd0b1
Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/37395
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
---
 src/cpu/x86/64bit/entry64.inc | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'src/cpu/x86/64bit')

diff --git a/src/cpu/x86/64bit/entry64.inc b/src/cpu/x86/64bit/entry64.inc
index 65c0fdc929..70255173f1 100644
--- a/src/cpu/x86/64bit/entry64.inc
+++ b/src/cpu/x86/64bit/entry64.inc
@@ -16,7 +16,12 @@
 #endif
 
 #include <cpu/x86/msr.h>
+#if defined(__RAMSTAGE__)
+#include <arch/ram_segs.h>
+#else
 #include <arch/rom_segs.h>
+#endif
+
 
 setup_longmode:
 	/* Get page table address */
@@ -42,7 +47,12 @@ setup_longmode:
 	movl	%eax, %cr0
 
 	/* use long jump to switch to 64-bit code segment */
+#if defined(__RAMSTAGE__)
+	ljmp $RAM_CODE_SEG64, $__longmode_start
+#else
 	ljmp $ROM_CODE_SEG64, $__longmode_start
+
+#endif
 .code64
 __longmode_start:
 
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