From: Daniel Hellstrom daniel@gaisler.com
Signed-off-by: Daniel Hellstrom daniel@gaisler.com Signed-off-by: Francois Retief fgretief@spaceteq.co.za ---
arch/sparc/include/asm/irq.h | 3 +++ arch/sparc/lib/interrupts.c | 7 +++++++ 2 files changed, 10 insertions(+)
diff --git a/arch/sparc/include/asm/irq.h b/arch/sparc/include/asm/irq.h index 2faf7a0..5d0f756 100644 --- a/arch/sparc/include/asm/irq.h +++ b/arch/sparc/include/asm/irq.h @@ -32,4 +32,7 @@ extern int intLock(void); /* Sets the PIL to oldLevel */ extern void intUnlock(int oldLevel);
+/* Return non-zero if interrupts are currently enabled */ +extern int interrupt_is_enabled(void); + #endif diff --git a/arch/sparc/lib/interrupts.c b/arch/sparc/lib/interrupts.c index b7c3993..b8f2efb 100644 --- a/arch/sparc/lib/interrupts.c +++ b/arch/sparc/lib/interrupts.c @@ -47,6 +47,13 @@ int disable_interrupts(void) return intLock(); }
+int interrupt_is_enabled(void) +{ + if (get_pil() == 15) + return 0; + return 1; +} + int interrupt_init(void) { int ret;