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* [PATCH 0/2] xen: arm: improve xen arm support
@ 2013-11-04  8:01 Bamvor Jian Zhang
  2013-11-04  8:01 ` [PATCH 1/2] xen: arm: enable 32bit kernel stack trace Bamvor Jian Zhang
  2013-11-04  8:01 ` [PATCH 2/2] xen: arm: add default kernel_start in xenctx Bamvor Jian Zhang
  0 siblings, 2 replies; 6+ messages in thread
From: Bamvor Jian Zhang @ 2013-11-04  8:01 UTC (permalink / raw)
  To: xen-devel; +Cc: tim, stefano.stabellini, ian.campbell, Bamvor Jian Zhang

the original discuss is here:
http://lists.xen.org/archives/html/xen-devel/2013-11/msg00011.html

Bamvor Jian Zhang (2):
  xen: arm: enable 32bit kernel stack trace
  xen: arm: add default kernel_start in xenctx

 tools/xentrace/xenctx.c |  6 ++++--
 xen/arch/arm/traps.c    | 22 +++++++++++++++-------
 2 files changed, 19 insertions(+), 9 deletions(-)

-- 
1.8.1.4

^ permalink raw reply	[flat|nested] 6+ messages in thread

* [PATCH 1/2] xen: arm: enable 32bit kernel stack trace
  2013-11-04  8:01 [PATCH 0/2] xen: arm: improve xen arm support Bamvor Jian Zhang
@ 2013-11-04  8:01 ` Bamvor Jian Zhang
  2013-11-04 17:50   ` Ian Campbell
  2013-11-04  8:01 ` [PATCH 2/2] xen: arm: add default kernel_start in xenctx Bamvor Jian Zhang
  1 sibling, 1 reply; 6+ messages in thread
From: Bamvor Jian Zhang @ 2013-11-04  8:01 UTC (permalink / raw)
  To: xen-devel; +Cc: tim, stefano.stabellini, ian.campbell, Bamvor Jian Zhang

Signed-off-by: Bamvor Jian Zhang <bjzhang@suse.com>
---
 xen/arch/arm/traps.c | 22 +++++++++++++++-------
 1 file changed, 15 insertions(+), 7 deletions(-)

diff --git a/xen/arch/arm/traps.c b/xen/arch/arm/traps.c
index 4c0fc32..70623ee 100644
--- a/xen/arch/arm/traps.c
+++ b/xen/arch/arm/traps.c
@@ -628,13 +628,21 @@ static void show_guest_stack(struct vcpu *v, struct cpu_user_regs *regs)
         printk("No stack trace for guest user-mode\n");
         return;
 
-    case PSR_MODE_FIQ:
-    case PSR_MODE_IRQ:
-    case PSR_MODE_SVC:
-    case PSR_MODE_ABT:
-    case PSR_MODE_UND:
-        printk("No stack trace for 32-bit guest kernel-mode\n");
-        return;
+    case PSR_MODE_FIQ: 
+        sp = regs->sp_fiq; 
+        break; 
+    case PSR_MODE_IRQ: 
+        sp = regs->sp_irq; 
+        break; 
+    case PSR_MODE_SVC: 
+        sp = regs->sp_svc; 
+        break; 
+    case PSR_MODE_ABT: 
+        sp = regs->sp_abt; 
+        break; 
+    case PSR_MODE_UND: 
+        sp = regs->sp_und; 
+        break; 
 
 #ifdef CONFIG_ARM_64
     case PSR_MODE_EL1t:
-- 
1.8.1.4

^ permalink raw reply related	[flat|nested] 6+ messages in thread

* [PATCH 2/2] xen: arm: add default kernel_start in xenctx
  2013-11-04  8:01 [PATCH 0/2] xen: arm: improve xen arm support Bamvor Jian Zhang
  2013-11-04  8:01 ` [PATCH 1/2] xen: arm: enable 32bit kernel stack trace Bamvor Jian Zhang
@ 2013-11-04  8:01 ` Bamvor Jian Zhang
  2013-11-04 17:50   ` Ian Campbell
  1 sibling, 1 reply; 6+ messages in thread
From: Bamvor Jian Zhang @ 2013-11-04  8:01 UTC (permalink / raw)
  To: xen-devel; +Cc: tim, stefano.stabellini, ian.campbell, Bamvor Jian Zhang

Signed-off-by: Bamvor Jian Zhang <bjzhang@suse.com>
---
 tools/xentrace/xenctx.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/tools/xentrace/xenctx.c b/tools/xentrace/xenctx.c
index c4b7912..57e3277 100644
--- a/tools/xentrace/xenctx.c
+++ b/tools/xentrace/xenctx.c
@@ -69,10 +69,12 @@ struct symbol {
 
 guest_word_t kernel_stext, kernel_etext, kernel_sinittext, kernel_einittext, kernel_hypercallpage;
 
-#if defined (__i386__)
+#if defined (__i386__) || defined (__arm__)
 unsigned long long kernel_start = 0xc0000000;
-#else
+#elif defined (__x86_64__)
 unsigned long long kernel_start = 0xffffffff80000000UL;
+#elif defined (__aarch64__)
+unsigned long long kernel_start = 0xffffff8000000000UL;
 #endif
 
 static int is_kernel_text(guest_word_t addr)
-- 
1.8.1.4

^ permalink raw reply related	[flat|nested] 6+ messages in thread

* Re: [PATCH 2/2] xen: arm: add default kernel_start in xenctx
  2013-11-04  8:01 ` [PATCH 2/2] xen: arm: add default kernel_start in xenctx Bamvor Jian Zhang
@ 2013-11-04 17:50   ` Ian Campbell
  0 siblings, 0 replies; 6+ messages in thread
From: Ian Campbell @ 2013-11-04 17:50 UTC (permalink / raw)
  To: Bamvor Jian Zhang; +Cc: tim, stefano.stabellini, xen-devel

On Mon, 2013-11-04 at 16:01 +0800, Bamvor Jian Zhang wrote:
> Signed-off-by: Bamvor Jian Zhang <bjzhang@suse.com>

Acked + applied, thanks.

^ permalink raw reply	[flat|nested] 6+ messages in thread

* Re: [PATCH 1/2] xen: arm: enable 32bit kernel stack trace
  2013-11-04  8:01 ` [PATCH 1/2] xen: arm: enable 32bit kernel stack trace Bamvor Jian Zhang
@ 2013-11-04 17:50   ` Ian Campbell
  2013-11-05  2:21     ` Bamvor Jian Zhang
  0 siblings, 1 reply; 6+ messages in thread
From: Ian Campbell @ 2013-11-04 17:50 UTC (permalink / raw)
  To: Bamvor Jian Zhang; +Cc: tim, stefano.stabellini, xen-devel

On Mon, 2013-11-04 at 16:01 +0800, Bamvor Jian Zhang wrote:
> Signed-off-by: Bamvor Jian Zhang <bjzhang@suse.com>

You added a trailing space to every line here. I stripped that and
applied, thanks.

^ permalink raw reply	[flat|nested] 6+ messages in thread

* Re: [PATCH 1/2] xen: arm: enable 32bit kernel stack trace
  2013-11-04 17:50   ` Ian Campbell
@ 2013-11-05  2:21     ` Bamvor Jian Zhang
  0 siblings, 0 replies; 6+ messages in thread
From: Bamvor Jian Zhang @ 2013-11-05  2:21 UTC (permalink / raw)
  To: Ian Campbell; +Cc: tim, stefano.stabellini, xen-devel

 >>>Ian Campbell <Ian.Campbell@citrix.com> wrote: 
> On Mon, 2013-11-04 at 16:01 +0800, Bamvor Jian Zhang wrote: 
> > Signed-off-by: Bamvor Jian Zhang <bjzhang@suse.com> 
>  
> You added a trailing space to every line here. I stripped that and 
> applied, thanks. 
sorry. i add this checker into my vimrc. it will never happen again.  
>  
>  
> _______________________________________________ 
> Xen-devel mailing list 
> Xen-devel@lists.xen.org 
> http://lists.xen.org/xen-devel 
>  
>  

^ permalink raw reply	[flat|nested] 6+ messages in thread

end of thread, other threads:[~2013-11-05  2:21 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2013-11-04  8:01 [PATCH 0/2] xen: arm: improve xen arm support Bamvor Jian Zhang
2013-11-04  8:01 ` [PATCH 1/2] xen: arm: enable 32bit kernel stack trace Bamvor Jian Zhang
2013-11-04 17:50   ` Ian Campbell
2013-11-05  2:21     ` Bamvor Jian Zhang
2013-11-04  8:01 ` [PATCH 2/2] xen: arm: add default kernel_start in xenctx Bamvor Jian Zhang
2013-11-04 17:50   ` Ian Campbell

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