From eadaf67d06687439d65ce5af9eb5e96cafb0455e Mon Sep 17 00:00:00 2001
From: Stefan Lankes <lankes@lfbs.rwth-aachen.de>
Date: Sat, 27 Aug 2011 05:28:03 -0700
Subject: [PATCH] add additional output messages

- describes the SCC's L2 behaviour
---
 arch/x86/scc/icc.c | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/arch/x86/scc/icc.c b/arch/x86/scc/icc.c
index 1d3b4df7..442f2158 100644
--- a/arch/x86/scc/icc.c
+++ b/arch/x86/scc/icc.c
@@ -176,6 +176,25 @@ int icc_init(void)
 	kprintf("set L2CFG to 0x%x\n", (uint32_t) tmp);
 #endif
 
+	tmp=ReadConfigReg(CRB_OWN + (z==0 ? L2CFG0 : L2CFG1));
+	kputs("In the config registers is the L2 cache ");
+	if (tmp & (1 << L2CFG_WAYDISABLE_BIT))
+		kputs("disabled!\n");
+	else
+		kputs("enabled!\n");
+
+	kputs("In CR0 is caching ");
+	if (read_cr0() & (1 << 30))
+		kputs("disabled!\n");
+	else
+		kputs("enabled!\n");
+
+	kputs("In CR0 is writethrough caching ");
+	if (read_cr0() & (1 << 29))
+		kputs("enabled!\n");
+	else
+		kputs("disabled!\n");
+
 	// set interrupt handler (INTR/LINT0)
 	irq_install_handler(124, intr_handler);