1 files changed, 101 insertions, 0 deletions
diff --git a/libgloss/sparc_leon/asm-leon/irq.h b/libgloss/sparc_leon/asm-leon/irq.h
new file mode 100644
index 000000000..5f542d594
--- /dev/null
+++ b/libgloss/sparc_leon/asm-leon/irq.h
@@ -0,0 +1,101 @@
+/*
+ * Copyright (c) 2011 Aeroflex Gaisler
+ *
+ * BSD license:
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+
+#ifndef _LEON_CATCHIRQ_HANDLER_H_
+#define _LEON_CATCHIRQ_HANDLER_H_
+
+#include <asm-leon/leon.h>
+#include <asm-leon/queue.h>
+/*#include <sys/fsu_pthread_queue.h>*/
+#include <asm-leon/leoncompat.h>
+#include <asm-leon/leonstack.h>
+
+#ifndef __ASSEMBLER__
+
+struct pt_regs;
+typedef int (*irqhandler) (int, void *, struct leonbare_pt_regs *);
+
+struct irqaction
+{
+  irqhandler handler;
+  unsigned long flags;
+  void *dev_id;
+  struct irqaction *next;
+};
+#define INIT_IRQACTION { 0,0,0,0 }
+
+struct irqmp_type
+{
+  int *addr;
+  int eirq;
+};
+
+extern void chained_catch_interrupt (int irq, struct irqaction *a);
+extern int catch_interrupt (int func, int irq);
+
+typedef int (*schedulehandler) (struct leonbare_pt_regs *);
+extern schedulehandler schedule_callback;
+typedef int (*tickerhandler) (struct leonbare_pt_regs *);
+extern tickerhandler ticker_callback;
+extern int leonbare_hz;
+extern int nestcount;
+extern int no_inirq_check;
+extern unsigned long force_noalarm;
+
+extern void (*handler_irq_pre) (void);
+extern void (*handler_irq_post) (void);
+
+extern void leonbare_enable_traps (unsigned long old_flags);
+extern unsigned long leonbare_disable_traps ();
+extern void leonbare_flush_windows ();
+
+static inline void
+leonbare_enable_irq (int irq)
+{
+  unsigned int old, irqmask = 1 << irq;
+  old = leonbare_disable_traps ();
+  //---------------------
+  switch (LEONCOMPAT_VERSION)
+    {
+    case 3:
+    default:
+      LEON3_IrqCtrl_Regs->mask[0] = LEON3_IrqCtrl_Regs->mask[0] | irqmask;
+      break;
+    }
+  //---------------------
+  leonbare_enable_traps (old);
+}
+
+typedef int (*pendinghandler) (void *);
+struct pendingaction
+{
+  TAILQ_ENTRY (pendingaction) next;
+  pendinghandler handler;
+  void *arg;
+};
+
+#endif
+
+#endif