powerpc/booke: Add definitions for advanced debug registers
powerpc/booke: Add definitions for advanced debug registers
From: Dave Kleikamp <shaggy@linux.vnet.ibm.com>
Based on patches originally written by Torez Smith.
This patch adds additional definitions for BookE Debug Registers
to the reg_booke.h header file.
Signed-off-by: Dave Kleikamp <shaggy@linux.vnet.ibm.com>
Acked-by: David Gibson <dwg@au1.ibm.com>
Cc: Torez Smith <lnxtorez@linux.vnet.ibm.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Josh Boyer <jwboyer@linux.vnet.ibm.com>
Cc: Kumar Gala <galak@kernel.crashing.org>
Cc: Sergio Durigan Junior <sergiodj@br.ibm.com>
Cc: Thiago Jung Bauermann <bauerman@br.ibm.com>
Cc: linuxppc-dev list <Linuxppc-dev@ozlabs.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
diff --git a/arch/powerpc/include/asm/processor.h b/arch/powerpc/include/asm/processor.h
index 9eed29e..221ba62 100644
--- a/arch/powerpc/include/asm/processor.h
+++ b/arch/powerpc/include/asm/processor.h
@@ -161,9 +161,41 @@
#ifdef CONFIG_PPC32
void *pgdir; /* root of page-table tree */
#endif
-#if defined(CONFIG_4xx) || defined (CONFIG_BOOKE)
- unsigned long dbcr0; /* debug control register values */
+#ifdef CONFIG_PPC_ADV_DEBUG_REGS
+ /*
+ * The following help to manage the use of Debug Control Registers
+ * om the BookE platforms.
+ */
+ unsigned long dbcr0;
unsigned long dbcr1;
+#ifdef CONFIG_BOOKE
+ unsigned long dbcr2;
+#endif
+ /*
+ * The stored value of the DBSR register will be the value at the
+ * last debug interrupt. This register can only be read from the
+ * user (will never be written to) and has value while helping to
+ * describe the reason for the last debug trap. Torez
+ */
+ unsigned long dbsr;
+ /*
+ * The following will contain addresses used by debug applications
+ * to help trace and trap on particular address locations.
+ * The bits in the Debug Control Registers above help define which
+ * of the following registers will contain valid data and/or addresses.
+ */
+ unsigned long iac1;
+ unsigned long iac2;
+#if CONFIG_PPC_ADV_DEBUG_IACS > 2
+ unsigned long iac3;
+ unsigned long iac4;
+#endif
+ unsigned long dac1;
+ unsigned long dac2;
+#if CONFIG_PPC_ADV_DEBUG_DVCS > 0
+ unsigned long dvc1;
+ unsigned long dvc2;
+#endif
#endif
/* FP and VSX 0-31 register set */
double fpr[32][TS_FPRWIDTH];