1 files changed, 102 insertions, 0 deletions
diff --git a/nuttx/arch/z80/src/ez80/ez80_registerdump.c b/nuttx/arch/z80/src/ez80/ez80_registerdump.c
new file mode 100644
index 000000000..dace6ad65
--- /dev/null
+++ b/nuttx/arch/z80/src/ez80/ez80_registerdump.c
@@ -0,0 +1,102 @@
+/****************************************************************************
+ * arch/z80/src/ez80/ez80_registerdump.c
+ *
+ *   Copyright (C) 2008 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <sys/types.h>
+#include <debug.h>
+
+#include <nuttx/irq.h>
+#include <nuttx/arch.h>
+
+#include "chip/switch.h"
+#include "os_internal.h"
+#include "up_internal.h"
+
+/****************************************************************************
+ * Definitions
+ ****************************************************************************/
+
+/* Output debug info if stack dump is selected -- even if 
+ * debug is not selected.
+ */
+
+#ifdef CONFIG_ARCH_STACKDUMP
+# undef  lldbg
+# define lldbg lib_lowprintf
+#endif
+
+/****************************************************************************
+ * Private Data
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: z80_registerdump
+ ****************************************************************************/
+
+#ifdef CONFIG_ARCH_STACKDUMP
+static void ez80_registerdump(void)
+{
+  if (current_regs)
+    {
+      lldbg("AF: %02x|%02x I: %02x|%02x\n",
+            (ubyte*)current_regs)[XCPT_A_OFFSET],  (ubyte*)current_regs)[XCPT_F_OFFSET],
+            (ubyte*)current_regs)[XCPT_IA_OFFSET], (ubyte*)current_regs)[XCPT_IF_OFFSET]);
+#ifdef CONFIG_EZ80_Z80MODE
+      lldbg("BC: %04x DE: %04x HL: %04x\n",
+            current_regs[XCPT_BC], current_regs[XCPT_DE], current_regs[XCPT_HL]);
+      lldbg("IX: %04x IY: %04x\n",
+            current_regs[XCPT_IX], current_regs[XCPT_IY]);
+      lldbg("SP: %04x PC: %04x\n"
+            current_regs[XCPT_SP], current_regs[XCPT_PC]);
+#else
+      lldbg("BC: %06x DE: %06x HL: %06x\n",
+            current_regs[XCPT_BC], current_regs[XCPT_DE], current_regs[XCPT_HL]);
+      lldbg("IX: %06x IY: %06x\n",
+            current_regs[XCPT_IX], current_regs[XCPT_IY]);
+      lldbg("SP: %06x PC: %06x\n"
+            current_regs[XCPT_SP], current_regs[XCPT_PC]);
+#endif
+    }
+}
+#endif