Add task register intialization logic

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1492 42af7a65-404d-4744-a932-0658087f49c3

1 files changed, 24 insertions, 0 deletions

diff --git a/nuttx/arch/sh/include/sh1/irq.h b/nuttx/arch/sh/include/sh1/irq.h
index 16a888d89..26155864a 100644
--- a/nuttx/arch/sh/include/sh1/irq.h
+++ b/nuttx/arch/sh/include/sh1/irq.h
@@ -454,6 +454,30 @@
  * Public Types
  ************************************************************************************/
 
+/* This struct defines the way the registers are stored.  We need to save: */
+
+#ifndef __ASSEMBLY__
+struct xcptcontext
+{
+  /* The following function pointer is non-zero if there are pending signals
+   * to be processed.
+   */
+
+#ifndef CONFIG_DISABLE_SIGNALS
+  void *sigdeliver; /* Actual type is sig_deliver_t */
+
+  /* These are saved copies of LR and SR used during signal processing. */
+
+  uint32 saved_pc;
+  uint32 saved_sr;
+#endif
+
+  /* Register save area */
+
+  uint32 regs[XCPTCONTEXT_REGS];
+};
+#endif
+
 /************************************************************************************
  * Public Data
  ************************************************************************************/