Ian Campbell
2012-Jul-23 15:04 UTC
[PATCH] arm: handy macro to force a break point in the Fast Model.
Signed-off-by: Ian Campbell <ian.campbell@citrix.com> --- xen/include/asm-arm/debugger.h | 7 +++++++ 1 files changed, 7 insertions(+), 0 deletions(-) diff --git a/xen/include/asm-arm/debugger.h b/xen/include/asm-arm/debugger.h index 452613a..8c6f527 100644 --- a/xen/include/asm-arm/debugger.h +++ b/xen/include/asm-arm/debugger.h @@ -4,6 +4,13 @@ #define debugger_trap_fatal(v, r) ((void) 0) #define debugger_trap_immediate() ((void) 0) +/* Trigger a break point in the fast model... */ +#define MODEL_BKPT() asm volatile(\ + "mov r0, #0x18;\n /* angel_SWIreason_ReportException */\n"\ + "mov r1, #0x20000;/* 0x20020= ADP_Stopped_BreakPoint */\n"\ + "orr r1, r1, #0x20;\n"\ + "swi 0x123456;\n" ::: "r0", "r1") + #endif /* __ARM_DEBUGGER_H__ */ /* * Local variables: -- 1.7.9.1
Ian Campbell
2012-Jul-23 15:17 UTC
Re: [PATCH] arm: handy macro to force a break point in the Fast Model.
On Mon, 2012-07-23 at 16:04 +0100, Ian Campbell wrote:> Signed-off-by: Ian Campbell <ian.campbell@citrix.com>Just sending this for the benefit of the archives, not really worth applying, I don''t think.> --- > xen/include/asm-arm/debugger.h | 7 +++++++ > 1 files changed, 7 insertions(+), 0 deletions(-) > > diff --git a/xen/include/asm-arm/debugger.h b/xen/include/asm-arm/debugger.h > index 452613a..8c6f527 100644 > --- a/xen/include/asm-arm/debugger.h > +++ b/xen/include/asm-arm/debugger.h > @@ -4,6 +4,13 @@ > #define debugger_trap_fatal(v, r) ((void) 0) > #define debugger_trap_immediate() ((void) 0) > > +/* Trigger a break point in the fast model... */ > +#define MODEL_BKPT() asm volatile(\ > + "mov r0, #0x18;\n /* angel_SWIreason_ReportException */\n"\ > + "mov r1, #0x20000;/* 0x20020= ADP_Stopped_BreakPoint */\n"\ > + "orr r1, r1, #0x20;\n"\ > + "swi 0x123456;\n" ::: "r0", "r1") > + > #endif /* __ARM_DEBUGGER_H__ */ > /* > * Local variables: