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| author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2007-03-11 21:16:56 +0000 |
|---|---|---|
| committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2007-03-11 21:16:56 +0000 |
| commit | 7e354ad57b4d040ab88e2eeb4ac84240e65e0e52 (patch) | |
| tree | a8d9734a0a38870239e613c63c3e066b36221b18 /nuttx/arch/pjrc-8051/src | |
| parent | 6877a8efaf6edad7dcff6412c1eb03973d080247 (diff) | |
| download | px4-nuttx-7e354ad57b4d040ab88e2eeb4ac84240e65e0e52.tar.gz px4-nuttx-7e354ad57b4d040ab88e2eeb4ac84240e65e0e52.tar.bz2 px4-nuttx-7e354ad57b4d040ab88e2eeb4ac84240e65e0e52.zip | |
Fixed 8051 printf bug
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@57 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/arch/pjrc-8051/src')
| -rw-r--r-- | nuttx/arch/pjrc-8051/src/up_debug.c | 25 | ||||
| -rw-r--r-- | nuttx/arch/pjrc-8051/src/up_initialstate.c | 5 | ||||
| -rw-r--r-- | nuttx/arch/pjrc-8051/src/up_internal.h | 5 |
3 files changed, 30 insertions, 5 deletions
diff --git a/nuttx/arch/pjrc-8051/src/up_debug.c b/nuttx/arch/pjrc-8051/src/up_debug.c index 6f59f488b..6f1485aaa 100644 --- a/nuttx/arch/pjrc-8051/src/up_debug.c +++ b/nuttx/arch/pjrc-8051/src/up_debug.c @@ -160,3 +160,28 @@ void up_dumpframe(FAR struct xcptcontext *context) _up_dump8(" PSW ", start[FRAME_PSW]); } #endif + +/************************************************************ + * Name: up_dumpframe + ************************************************************/ + +/* The 805x family has a tiny, 256 stack and can be easily + * overflowed. The following macro can be used to instrument + * code to dump the stack pointer at critical locations. + */ + +#ifdef CONFIG_ARCH_PJRC +void up_showsp(ubyte ch) __naked +{ + ch; + _asm + mov a, dpl + lcall PM2_ENTRY_COUT + mov a, sp + lcall PM2_ENTRY_PHEX + lcall PM2_ENTRY_NEWLINE + _endasm; +} +#endif + + diff --git a/nuttx/arch/pjrc-8051/src/up_initialstate.c b/nuttx/arch/pjrc-8051/src/up_initialstate.c index 930f16873..1eae39fa9 100644 --- a/nuttx/arch/pjrc-8051/src/up_initialstate.c +++ b/nuttx/arch/pjrc-8051/src/up_initialstate.c @@ -96,10 +96,7 @@ void up_initial_state(FAR _TCB *tcb) frame[FRAME_RETLS] = (((uint16)tcb->start) & 0xff); frame[FRAME_RETMS] = (((uint16)tcb->start) >> 8); - /* Then the context save area which can be indexed with - * the following definitions (relative to the beginning of - * the initial frame. - */ + /* The context save area follows the return address. */ frame[FRAME_IE] = 0x80; frame[FRAME_PSW] = 0; diff --git a/nuttx/arch/pjrc-8051/src/up_internal.h b/nuttx/arch/pjrc-8051/src/up_internal.h index 95fb97745..19c628f5c 100644 --- a/nuttx/arch/pjrc-8051/src/up_internal.h +++ b/nuttx/arch/pjrc-8051/src/up_internal.h @@ -40,7 +40,10 @@ * Included Files **************************************************************************/ -#include "pjrc.h" +#include <nuttx/config.h> +#ifdef CONFIG_ARCH_PJRC +# include "pjrc.h" +#endif /************************************************************************** * Public Definitions |