summaryrefslogtreecommitdiffstats
path: root/resources/libreboot/patch/kgpe-d16/0030-cpu-x86-lapic-Add-stack-overrun-detection.patch
blob: 5defeab07e38e9c953c0456e11a2ca1ac95ec636 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
From e30acf3fb35f09d788f29f9603124bcbc24723fb Mon Sep 17 00:00:00 2001
From: Timothy Pearson <tpearson@raptorengineeringinc.com>
Date: Sat, 5 Sep 2015 19:31:20 -0500
Subject: [PATCH 030/139] cpu/x86/lapic: Add stack overrun detection

Change-Id: I03e43f38e0d2e51141208ebb169ad8deba77ab78
Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
---
 src/cpu/x86/lapic/lapic_cpu_init.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/cpu/x86/lapic/lapic_cpu_init.c b/src/cpu/x86/lapic/lapic_cpu_init.c
index 7fedd00..faa1f1f 100644
--- a/src/cpu/x86/lapic/lapic_cpu_init.c
+++ b/src/cpu/x86/lapic/lapic_cpu_init.c
@@ -5,6 +5,7 @@
  * Copyright (C) 2001 Ronald G. Minnich
  * Copyright (C) 2005 Yinghai Lu
  * Copyright (C) 2008 coresystems GmbH
+ * Copyright (C) 2015 Timothy Pearson <tpearson@raptorengineeringinc.com>, Raptor Engineering
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -494,6 +495,7 @@ static void wait_other_cpus_stop(struct bus *cpu_bus)
 		}
 	}
 	printk(BIOS_DEBUG, "All AP CPUs stopped (%ld loops)\n", loopcount);
+	checkstack(_estack, 0);
 	for(i = 1; i <= last_cpu_index; i++)
 		checkstack((void *)stacks[i] + CONFIG_STACK_SIZE, i);
 }
-- 
1.9.1