Atheros AR600x driver + build glue

chromeos/drivers/ath6kl/include/AR6002/AR6002_regdump.h

+//------------------------------------------------------------------------------
+// <copyright file="AR6002_regdump.h" company="Atheros">
+//    Copyright (c) 2006 Atheros Corporation.  All rights reserved.
+// 
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License version 2 as
+// published by the Free Software Foundation;
+//
+// Software distributed under the License is distributed on an "AS
+// IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+// implied. See the License for the specific language governing
+// rights and limitations under the License.
+//
+//
+//------------------------------------------------------------------------------
+//==============================================================================
+// Author(s): ="Atheros"
+//==============================================================================
+
+#ifndef __AR6002_REGDUMP_H__
+#define __AR6002_REGDUMP_H__
+
+#if !defined(__ASSEMBLER__)
+/*
+ * XTensa CPU state
+ * This must match the state saved by the target exception handler.
+ */
+struct XTensa_exception_frame_s {
+    A_UINT32 xt_pc;
+    A_UINT32 xt_ps;
+    A_UINT32 xt_sar;
+    A_UINT32 xt_vpri;
+    A_UINT32 xt_a2;
+    A_UINT32 xt_a3;
+    A_UINT32 xt_a4;
+    A_UINT32 xt_a5;
+    A_UINT32 xt_exccause;
+    A_UINT32 xt_lcount;
+    A_UINT32 xt_lbeg;
+    A_UINT32 xt_lend;
+
+    A_UINT32 epc1, epc2, epc3, epc4;
+
+    /* Extra info to simplify post-mortem stack walkback */
+#define AR6002_REGDUMP_FRAMES 10
+    struct {
+        A_UINT32 a0;  /* pc */
+        A_UINT32 a1;  /* sp */
+        A_UINT32 a2;
+        A_UINT32 a3;
+    } wb[AR6002_REGDUMP_FRAMES];
+};
+typedef struct XTensa_exception_frame_s CPU_exception_frame_t; 
+#define RD_SIZE sizeof(CPU_exception_frame_t)
+
+#endif
+#endif /* __AR6002_REGDUMP_H__ */