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+#ifndef _ASM_IA64_SAL_H
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+#define _ASM_IA64_SAL_H
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+
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+/*
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+ * System Abstraction Layer definitions.
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+ *
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+ * This is based on version 2.5 of the manual "IA-64 System
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+ * Abstraction Layer".
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+ *
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+ * Copyright (C) 2001 Intel
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+ * Copyright (C) 2002 Jenna Hall <jenna.s.hall@intel.com>
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+ * Copyright (C) 2001 Fred Lewis <frederick.v.lewis@intel.com>
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+ * Copyright (C) 1998, 1999, 2001, 2003 Hewlett-Packard Co
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+ * David Mosberger-Tang <davidm@hpl.hp.com>
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+ * Copyright (C) 1999 Srinivasa Prasad Thirumalachar <sprasad@sprasad.engr.sgi.com>
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+ *
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+ * 02/01/04 J. Hall Updated Error Record Structures to conform to July 2001
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+ * revision of the SAL spec.
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+ * 01/01/03 fvlewis Updated Error Record Structures to conform with Nov. 2000
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+ * revision of the SAL spec.
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+ * 99/09/29 davidm Updated for SAL 2.6.
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+ * 00/03/29 cfleck Updated SAL Error Logging info for processor (SAL 2.6)
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+ * (plus examples of platform error info structures from smariset @ Intel)
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+ */
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+
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+#define IA64_SAL_PLATFORM_FEATURE_BUS_LOCK_BIT 0
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+#define IA64_SAL_PLATFORM_FEATURE_IRQ_REDIR_HINT_BIT 1
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+#define IA64_SAL_PLATFORM_FEATURE_IPI_REDIR_HINT_BIT 2
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+#define IA64_SAL_PLATFORM_FEATURE_ITC_DRIFT_BIT 3
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+
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+#define IA64_SAL_PLATFORM_FEATURE_BUS_LOCK (1<<IA64_SAL_PLATFORM_FEATURE_BUS_LOCK_BIT)
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+#define IA64_SAL_PLATFORM_FEATURE_IRQ_REDIR_HINT (1<<IA64_SAL_PLATFORM_FEATURE_IRQ_REDIR_HINT_BIT)
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+#define IA64_SAL_PLATFORM_FEATURE_IPI_REDIR_HINT (1<<IA64_SAL_PLATFORM_FEATURE_IPI_REDIR_HINT_BIT)
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+#define IA64_SAL_PLATFORM_FEATURE_ITC_DRIFT (1<<IA64_SAL_PLATFORM_FEATURE_ITC_DRIFT_BIT)
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+
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+#ifndef __ASSEMBLY__
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+
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+#include <linux/bcd.h>
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+#include <linux/spinlock.h>
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+#include <linux/efi.h>
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+
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+#include <asm/pal.h>
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+#include <asm/fpu.h>
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+
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+extern spinlock_t sal_lock;
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+
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+/* SAL spec _requires_ eight args for each call. */
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+#define __IA64_FW_CALL(entry,result,a0,a1,a2,a3,a4,a5,a6,a7) \
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+ result = (*entry)(a0,a1,a2,a3,a4,a5,a6,a7)
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+
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+# define IA64_FW_CALL(entry,result,args...) do { \
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+ unsigned long __ia64_sc_flags; \
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+ struct ia64_fpreg __ia64_sc_fr[6]; \
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+ ia64_save_scratch_fpregs(__ia64_sc_fr); \
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+ spin_lock_irqsave(&sal_lock, __ia64_sc_flags); \
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+ __IA64_FW_CALL(entry, result, args); \
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+ spin_unlock_irqrestore(&sal_lock, __ia64_sc_flags); \
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+ ia64_load_scratch_fpregs(__ia64_sc_fr); \
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+} while (0)
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+
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+# define SAL_CALL(result,args...) \
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+ IA64_FW_CALL(ia64_sal, result, args);
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+
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+# define SAL_CALL_NOLOCK(result,args...) do { \
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+ unsigned long __ia64_scn_flags; \
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+ struct ia64_fpreg __ia64_scn_fr[6]; \
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+ ia64_save_scratch_fpregs(__ia64_scn_fr); \
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+ local_irq_save(__ia64_scn_flags); \
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+ __IA64_FW_CALL(ia64_sal, result, args); \
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+ local_irq_restore(__ia64_scn_flags); \
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+ ia64_load_scratch_fpregs(__ia64_scn_fr); \
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+} while (0)
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+
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+# define SAL_CALL_REENTRANT(result,args...) do { \
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+ struct ia64_fpreg __ia64_scs_fr[6]; \
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+ ia64_save_scratch_fpregs(__ia64_scs_fr); \
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+ preempt_disable(); \
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+ __IA64_FW_CALL(ia64_sal, result, args); \
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