aboutsummaryrefslogtreecommitdiff
path: root/arch/blackfin/include/asm/irq.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/blackfin/include/asm/irq.h')
-rw-r--r--arch/blackfin/include/asm/irq.h271
1 files changed, 9 insertions, 262 deletions
diff --git a/arch/blackfin/include/asm/irq.h b/arch/blackfin/include/asm/irq.h
index 7645e85a5f6..400bdd52ce8 100644
--- a/arch/blackfin/include/asm/irq.h
+++ b/arch/blackfin/include/asm/irq.h
@@ -17,270 +17,17 @@
#ifndef _BFIN_IRQ_H_
#define _BFIN_IRQ_H_
-/* SYS_IRQS and NR_IRQS are defined in <mach-bf5xx/irq.h>*/
-#include <mach/irq.h>
-#include <asm/pda.h>
-#include <asm/processor.h>
-
-#ifdef CONFIG_SMP
-/* Forward decl needed due to cdef inter dependencies */
-static inline uint32_t __pure bfin_dspid(void);
-# define blackfin_core_id() (bfin_dspid() & 0xff)
-# define bfin_irq_flags cpu_pda[blackfin_core_id()].imask
-#else
-extern unsigned long bfin_irq_flags;
-#endif
-
-#ifdef CONFIG_IPIPE
-
-#include <linux/ipipe_trace.h>
+#include <linux/irqflags.h>
-void __ipipe_unstall_root(void);
-
-void __ipipe_restore_root(unsigned long flags);
-
-#ifdef CONFIG_DEBUG_HWERR
-# define __all_masked_irq_flags 0x3f
-# define __save_and_cli_hw(x) \
- __asm__ __volatile__( \
- "cli %0;" \
- "sti %1;" \
- : "=&d"(x) \
- : "d" (0x3F) \
- )
-#else
-# define __all_masked_irq_flags 0x1f
-# define __save_and_cli_hw(x) \
- __asm__ __volatile__( \
- "cli %0;" \
- : "=&d"(x) \
- )
-#endif
-
-#define irqs_enabled_from_flags_hw(x) ((x) != __all_masked_irq_flags)
-#define raw_irqs_disabled_flags(flags) (!irqs_enabled_from_flags_hw(flags))
-#define local_test_iflag_hw(x) irqs_enabled_from_flags_hw(x)
-
-#define local_save_flags(x) \
- do { \
- (x) = __ipipe_test_root() ? \
- __all_masked_irq_flags : bfin_irq_flags; \
- barrier(); \
- } while (0)
-
-#define local_irq_save(x) \
- do { \
- (x) = __ipipe_test_and_stall_root() ? \
- __all_masked_irq_flags : bfin_irq_flags; \
- barrier(); \
- } while (0)
-
-static inline void local_irq_restore(unsigned long x)
-{
- barrier();
- __ipipe_restore_root(x == __all_masked_irq_flags);
-}
-
-#define local_irq_disable() \
- do { \
- __ipipe_stall_root(); \
- barrier(); \
- } while (0)
-
-static inline void local_irq_enable(void)
-{
- barrier();
- __ipipe_unstall_root();
-}
-
-#define irqs_disabled() __ipipe_test_root()
-
-#define local_save_flags_hw(x) \
- __asm__ __volatile__( \
- "cli %0;" \
- "sti %0;" \
- : "=d"(x) \
- )
-
-#define irqs_disabled_hw() \
- ({ \
- unsigned long flags; \
- local_save_flags_hw(flags); \
- !irqs_enabled_from_flags_hw(flags); \
- })
-
-static inline unsigned long raw_mangle_irq_bits(int virt, unsigned long real)
-{
- /* Merge virtual and real interrupt mask bits into a single
- 32bit word. */
- return (real & ~(1 << 31)) | ((virt != 0) << 31);
-}
-
-static inline int raw_demangle_irq_bits(unsigned long *x)
-{
- int virt = (*x & (1 << 31)) != 0;
- *x &= ~(1L << 31);
- return virt;
-}
-
-#ifdef CONFIG_IPIPE_TRACE_IRQSOFF
-
-#define local_irq_disable_hw() \
- do { \
- int _tmp_dummy; \
- if (!irqs_disabled_hw()) \
- ipipe_trace_begin(0x80000000); \
- __asm__ __volatile__ ("cli %0;" : "=d" (_tmp_dummy) : ); \
- } while (0)
-
-#define local_irq_enable_hw() \
- do { \
- if (irqs_disabled_hw()) \
- ipipe_trace_end(0x80000000); \
- __asm__ __volatile__ ("sti %0;" : : "d"(bfin_irq_flags)); \
- } while (0)
-
-#define local_irq_save_hw(x) \
- do { \
- __save_and_cli_hw(x); \
- if (local_test_iflag_hw(x)) \
- ipipe_trace_begin(0x80000001); \
- } while (0)
-
-#define local_irq_restore_hw(x) \
- do { \
- if (local_test_iflag_hw(x)) { \
- ipipe_trace_end(0x80000001); \
- local_irq_enable_hw_notrace(); \
- } \
- } while (0)
-
-#define local_irq_disable_hw_notrace() \
- do { \
- int _tmp_dummy; \
- __asm__ __volatile__ ("cli %0;" : "=d" (_tmp_dummy) : ); \
- } while (0)
-
-#define local_irq_enable_hw_notrace() \
- __asm__ __volatile__( \
- "sti %0;" \
- : \
- : "d"(bfin_irq_flags) \
- )
-
-#define local_irq_save_hw_notrace(x) __save_and_cli_hw(x)
-
-#define local_irq_restore_hw_notrace(x) \
- do { \
- if (local_test_iflag_hw(x)) \
- local_irq_enable_hw_notrace(); \
- } while (0)
-
-#else /* CONFIG_IPIPE_TRACE_IRQSOFF */
-
-#define local_irq_enable_hw() \
- __asm__ __volatile__( \
- "sti %0;" \
- : \
- : "d"(bfin_irq_flags) \
- )
-
-#define local_irq_disable_hw() \
- do { \
- int _tmp_dummy; \
- __asm__ __volatile__ ( \
- "cli %0;" \
- : "=d" (_tmp_dummy)); \
- } while (0)
-
-#define local_irq_restore_hw(x) \
- do { \
- if (irqs_enabled_from_flags_hw(x)) \
- local_irq_enable_hw(); \
- } while (0)
-
-#define local_irq_save_hw(x) __save_and_cli_hw(x)
-
-#define local_irq_disable_hw_notrace() local_irq_disable_hw()
-#define local_irq_enable_hw_notrace() local_irq_enable_hw()
-#define local_irq_save_hw_notrace(x) local_irq_save_hw(x)
-#define local_irq_restore_hw_notrace(x) local_irq_restore_hw(x)
-
-#endif /* CONFIG_IPIPE_TRACE_IRQSOFF */
-
-#else /* !CONFIG_IPIPE */
-
-/*
- * Interrupt configuring macros.
- */
-#define local_irq_disable() \
- do { \
- int __tmp_dummy; \
- __asm__ __volatile__( \
- "cli %0;" \
- : "=d" (__tmp_dummy) \
- ); \
- } while (0)
-
-#define local_irq_enable() \
- __asm__ __volatile__( \
- "sti %0;" \
- : \
- : "d" (bfin_irq_flags) \
- )
-
-#ifdef CONFIG_DEBUG_HWERR
-# define __save_and_cli(x) \
- __asm__ __volatile__( \
- "cli %0;" \
- "sti %1;" \
- : "=&d" (x) \
- : "d" (0x3F) \
- )
-#else
-# define __save_and_cli(x) \
- __asm__ __volatile__( \
- "cli %0;" \
- : "=&d" (x) \
- )
-#endif
-
-#define local_save_flags(x) \
- __asm__ __volatile__( \
- "cli %0;" \
- "sti %0;" \
- : "=d" (x) \
- )
-
-#ifdef CONFIG_DEBUG_HWERR
-#define irqs_enabled_from_flags(x) (((x) & ~0x3f) != 0)
-#else
-#define irqs_enabled_from_flags(x) ((x) != 0x1f)
-#endif
-
-#define local_irq_restore(x) \
- do { \
- if (irqs_enabled_from_flags(x)) \
- local_irq_enable(); \
- } while (0)
-
-/* For spinlocks etc */
-#define local_irq_save(x) __save_and_cli(x)
-
-#define irqs_disabled() \
-({ \
- unsigned long flags; \
- local_save_flags(flags); \
- !irqs_enabled_from_flags(flags); \
-})
-
-#define local_irq_save_hw(x) local_irq_save(x)
-#define local_irq_restore_hw(x) local_irq_restore(x)
-#define local_irq_enable_hw() local_irq_enable()
-#define local_irq_disable_hw() local_irq_disable()
-#define irqs_disabled_hw() irqs_disabled()
+/* SYS_IRQS and NR_IRQS are defined in <mach-bf5xx/irq.h> */
+#include <mach/irq.h>
-#endif /* !CONFIG_IPIPE */
+/* Xenomai IPIPE helpers */
+#define local_irq_restore_hw(x) local_irq_restore(x)
+#define local_irq_save_hw(x) local_irq_save(x)
+#define local_irq_enable_hw(x) local_irq_enable(x)
+#define local_irq_disable_hw(x) local_irq_disable(x)
+#define irqs_disabled_hw(x) irqs_disabled(x)
#if ANOMALY_05000244 && defined(CONFIG_BFIN_ICACHE)
# define NOP_PAD_ANOMALY_05000244 "nop; nop;"
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-02 06:37:19 +0000