Added a function for checking if snooping is enabled.
Best regards,
Kristoffer Glembo
---
arch/sparc/include/asm/leon.h | 7 +++++++
1 files changed, 7 insertions(+), 0 deletions(-)
diff --git a/arch/sparc/include/asm/leon.h b/arch/sparc/include/asm/leon.h
index 28a42b7..9f4ff4e 100644
--- a/arch/sparc/include/asm/leon.h
+++ b/arch/sparc/include/asm/leon.h
@@ -209,6 +209,13 @@ extern inline void sparc_leon3_enable_snooping(void)
"sta %%l2, [%%g0] 2\n\t" : : : "l1", "l2");
};
+extern inline int sparc_leon3_snooping_enabled(void)
+{
+ u32 cctrl;
+ __asm__ __volatile__("lda [%%g0] 2, %0\n\t" : "=r"(cctrl));
+ return (cctrl >> 23) & 1;
+};
+
extern inline void sparc_leon3_disable_cache(void)
{
__asm__ __volatile__ ("lda [%%g0] 2, %%l1\n\t"
--
1.5.2.2
--
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