From: cov@codeaurora.org (Christopher Covington)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] ARM: hw_breakpoint: Add ARMv8 support
Date: Wed, 22 Jan 2014 13:29:25 -0500 [thread overview]
Message-ID: <1390415365-17230-1-git-send-email-cov@codeaurora.org> (raw)
Add the trivial support necessary to get hardware breakpoints
working for GDB on ARMv8 simulators running in AArch32 mode.
Signed-off-by: Christopher Covington <cov@codeaurora.org>
---
arch/arm/include/asm/hw_breakpoint.h | 1 +
arch/arm/kernel/hw_breakpoint.c | 1 +
2 files changed, 2 insertions(+)
diff --git a/arch/arm/include/asm/hw_breakpoint.h b/arch/arm/include/asm/hw_breakpoint.h
index eef55ea..8e427c7 100644
--- a/arch/arm/include/asm/hw_breakpoint.h
+++ b/arch/arm/include/asm/hw_breakpoint.h
@@ -51,6 +51,7 @@ static inline void decode_ctrl_reg(u32 reg,
#define ARM_DEBUG_ARCH_V7_ECP14 3
#define ARM_DEBUG_ARCH_V7_MM 4
#define ARM_DEBUG_ARCH_V7_1 5
+#define ARM_DEBUG_ARCH_V8 6
/* Breakpoint */
#define ARM_BREAKPOINT_EXECUTE 0
diff --git a/arch/arm/kernel/hw_breakpoint.c b/arch/arm/kernel/hw_breakpoint.c
index 3d44660..45fbcaf 100644
--- a/arch/arm/kernel/hw_breakpoint.c
+++ b/arch/arm/kernel/hw_breakpoint.c
@@ -257,6 +257,7 @@ static int enable_monitor_mode(void)
break;
case ARM_DEBUG_ARCH_V7_ECP14:
case ARM_DEBUG_ARCH_V7_1:
+ case ARM_DEBUG_ARCH_V8:
ARM_DBG_WRITE(c0, c2, 2, (dscr | ARM_DSCR_MDBGEN));
isb();
break;
--
Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
hosted by the Linux Foundation.
WARNING: multiple messages have this Message-ID (diff)
From: Christopher Covington <cov@codeaurora.org>
To: Will Deacon <will.deacon@arm.com>, Russell King <linux@arm.linux.org.uk>
Cc: linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org,
Christopher Covington <cov@codeaurora.org>
Subject: [PATCH] ARM: hw_breakpoint: Add ARMv8 support
Date: Wed, 22 Jan 2014 13:29:25 -0500 [thread overview]
Message-ID: <1390415365-17230-1-git-send-email-cov@codeaurora.org> (raw)
Add the trivial support necessary to get hardware breakpoints
working for GDB on ARMv8 simulators running in AArch32 mode.
Signed-off-by: Christopher Covington <cov@codeaurora.org>
---
arch/arm/include/asm/hw_breakpoint.h | 1 +
arch/arm/kernel/hw_breakpoint.c | 1 +
2 files changed, 2 insertions(+)
diff --git a/arch/arm/include/asm/hw_breakpoint.h b/arch/arm/include/asm/hw_breakpoint.h
index eef55ea..8e427c7 100644
--- a/arch/arm/include/asm/hw_breakpoint.h
+++ b/arch/arm/include/asm/hw_breakpoint.h
@@ -51,6 +51,7 @@ static inline void decode_ctrl_reg(u32 reg,
#define ARM_DEBUG_ARCH_V7_ECP14 3
#define ARM_DEBUG_ARCH_V7_MM 4
#define ARM_DEBUG_ARCH_V7_1 5
+#define ARM_DEBUG_ARCH_V8 6
/* Breakpoint */
#define ARM_BREAKPOINT_EXECUTE 0
diff --git a/arch/arm/kernel/hw_breakpoint.c b/arch/arm/kernel/hw_breakpoint.c
index 3d44660..45fbcaf 100644
--- a/arch/arm/kernel/hw_breakpoint.c
+++ b/arch/arm/kernel/hw_breakpoint.c
@@ -257,6 +257,7 @@ static int enable_monitor_mode(void)
break;
case ARM_DEBUG_ARCH_V7_ECP14:
case ARM_DEBUG_ARCH_V7_1:
+ case ARM_DEBUG_ARCH_V8:
ARM_DBG_WRITE(c0, c2, 2, (dscr | ARM_DSCR_MDBGEN));
isb();
break;
--
Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
hosted by the Linux Foundation.
next reply other threads:[~2014-01-22 18:29 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-22 18:29 Christopher Covington [this message]
2014-01-22 18:29 ` [PATCH] ARM: hw_breakpoint: Add ARMv8 support Christopher Covington
2014-01-24 15:57 ` Will Deacon
2014-01-24 15:57 ` Will Deacon
2014-01-28 18:26 ` [PATCH v2] " Christopher Covington
2014-01-28 18:26 ` Christopher Covington
2014-01-28 18:38 ` Will Deacon
2014-01-28 18:38 ` Will Deacon
2014-01-28 18:51 ` [PATCH v3] " Christopher Covington
2014-01-28 18:51 ` Christopher Covington
2014-01-29 10:57 ` Will Deacon
2014-01-29 10:57 ` Will Deacon
2014-01-29 14:00 ` Christopher Covington
2014-01-29 14:00 ` Christopher Covington
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