According to data sheet bit 31 in ASR22 must be written with a zero
to start the up-counter. GRMON starts the up-counter for us so running
with GRMON hides the problem that writing to ASR23 has no effect. This
patch is important when running in "flight" from ROM without GRMON.
---
c/src/lib/libbsp/sparc/leon3/include/leon.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/c/src/lib/libbsp/sparc/leon3/include/leon.h
b/c/src/lib/libbsp/sparc/leon3/include/leon.h
index 9b2597f..758b760 100644
--- a/c/src/lib/libbsp/sparc/leon3/include/leon.h
+++ b/c/src/lib/libbsp/sparc/leon3/include/leon.h
@@ -482,7 +482,7 @@ static inline uint32_t leon3_up_counter_high(void)
static inline void leon3_up_counter_enable(void)
{
__asm__ volatile (
- "mov %g0, %asr23"
+ "mov %g0, %asr22"
);
}
--
2.7.4
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