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+/*
+ * File: arch/blackfin/include/asm/pda.h
+ * Author: Philippe Gerum <rpm@xenomai.org>
+ *
+ * Copyright 2007 Analog Devices Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see the file COPYING, or write
+ * to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef _ASM_BLACKFIN_PDA_H
+#define _ASM_BLACKFIN_PDA_H
+
+#include <mach/anomaly.h>
+
+#ifndef __ASSEMBLY__
+
+struct blackfin_pda { /* Per-processor Data Area */
+ struct blackfin_pda *next;
+
+ unsigned long syscfg;
+#ifdef CONFIG_SMP
+ unsigned long imask; /* Current IMASK value */
+#endif
+
+ unsigned long *ipdt; /* Start of switchable I-CPLB table */
+ unsigned long *ipdt_swapcount; /* Number of swaps in ipdt */
+ unsigned long *dpdt; /* Start of switchable D-CPLB table */
+ unsigned long *dpdt_swapcount; /* Number of swaps in dpdt */
+
+ /*
+ * Single instructions can have multiple faults, which
+ * need to be handled by traps.c, in irq5. We store
+ * the exception cause to ensure we don't miss a
+ * double fault condition
+ */
+ unsigned long ex_iptr;
+ unsigned long ex_optr;
+ unsigned long ex_buf[4];
+ unsigned long ex_imask; /* Saved imask from exception */
+ unsigned long *ex_stack; /* Exception stack space */
+
+#ifdef ANOMALY_05000261
+ unsigned long last_cplb_fault_retx;
+#endif
+ unsigned long dcplb_fault_addr;
+ unsigned long icplb_fault_addr;
+ unsigned long retx;
+ unsigned long seqstat;
+};
+
+extern struct blackfin_pda cpu_pda[];
+
+void reserve_pda(void);
+
+#endif /* __ASSEMBLY__ */
+
+#endif /* _ASM_BLACKFIN_PDA_H */