patch-2.4.22 linux-2.4.22/include/asm-i386/acpi.h

• Lines: 189
• Date: 2003-08-25 04:44:43.000000000 -0700
• Orig file: linux-2.4.21/include/asm-i386/acpi.h
• Orig date: 1969-12-31 16:00:00.000000000 -0800

diff -urN linux-2.4.21/include/asm-i386/acpi.h linux-2.4.22/include/asm-i386/acpi.h
@@ -0,0 +1,188 @@
+/*
+ *  asm-i386/acpi.h
+ *
+ *  Copyright (C) 2001 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
+ *  Copyright (C) 2001 Patrick Mochel <mochel@osdl.org>
+  *
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ *
+ *  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, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ */
+
+#ifndef _ASM_ACPI_H
+#define _ASM_ACPI_H
+
+#ifdef __KERNEL__
+
+#define COMPILER_DEPENDENT_INT64   long long
+#define COMPILER_DEPENDENT_UINT64  unsigned long long
+
+/*
+ * Calling conventions:
+ *
+ * ACPI_SYSTEM_XFACE        - Interfaces to host OS (handlers, threads)
+ * ACPI_EXTERNAL_XFACE      - External ACPI interfaces 
+ * ACPI_INTERNAL_XFACE      - Internal ACPI interfaces
+ * ACPI_INTERNAL_VAR_XFACE  - Internal variable-parameter list interfaces
+ */
+#define ACPI_SYSTEM_XFACE
+#define ACPI_EXTERNAL_XFACE
+#define ACPI_INTERNAL_XFACE
+#define ACPI_INTERNAL_VAR_XFACE
+
+/* Asm macros */
+
+#define ACPI_ASM_MACROS
+#define BREAKPOINT3
+#define ACPI_DISABLE_IRQS() __cli()
+#define ACPI_ENABLE_IRQS()  __sti()
+#define ACPI_FLUSH_CPU_CACHE()	wbinvd()
+
+/*
+ * A brief explanation as GNU inline assembly is a bit hairy
+ *  %0 is the output parameter in EAX ("=a")
+ *  %1 and %2 are the input parameters in ECX ("c")
+ *  and an immediate value ("i") respectively
+ *  All actual register references are preceded with "%%" as in "%%edx"
+ *  Immediate values in the assembly are preceded by "$" as in "$0x1"
+ *  The final asm parameter are the operation altered non-output registers.
+ */
+#define ACPI_ACQUIRE_GLOBAL_LOCK(GLptr, Acq) \
+    do { \
+        int dummy; \
+        asm("1:     movl (%1),%%eax;" \
+            "movl   %%eax,%%edx;" \
+            "andl   %2,%%edx;" \
+            "btsl   $0x1,%%edx;" \
+            "adcl   $0x0,%%edx;" \
+            "lock;  cmpxchgl %%edx,(%1);" \
+            "jnz    1b;" \
+            "cmpb   $0x3,%%dl;" \
+            "sbbl   %%eax,%%eax" \
+            :"=a"(Acq),"=c"(dummy):"c"(GLptr),"i"(~1L):"dx"); \
+    } while(0)
+
+#define ACPI_RELEASE_GLOBAL_LOCK(GLptr, Acq) \
+    do { \
+        int dummy; \
+        asm("1:     movl (%1),%%eax;" \
+            "movl   %%eax,%%edx;" \
+            "andl   %2,%%edx;" \
+            "lock;  cmpxchgl %%edx,(%1);" \
+            "jnz    1b;" \
+            "andl   $0x1,%%eax" \
+            :"=a"(Acq),"=c"(dummy):"c"(GLptr),"i"(~3L):"dx"); \
+    } while(0)
+
+
+/*
+ * Math helper asm macros
+ */
+#define ACPI_DIV_64_BY_32(n_hi, n_lo, d32, q32, r32) \
+        asm("divl %2;"        \
+        :"=a"(q32), "=d"(r32) \
+        :"r"(d32),            \
+        "0"(n_lo), "1"(n_hi))
+
+
+#define ACPI_SHIFT_RIGHT_64(n_hi, n_lo) \
+    asm("shrl   $1,%2;"             \
+        "rcrl   $1,%3;"             \
+        :"=r"(n_hi), "=r"(n_lo)     \
+        :"0"(n_hi), "1"(n_lo))
+
+
+#ifdef CONFIG_ACPI_HT_ONLY
+extern int acpi_lapic;
+#define acpi_ioapic 0
+
+#else /* CONFIG_ACPI_HT_ONLY */
+
+#ifdef CONFIG_ACPI_BOOT 
+extern int acpi_lapic;
+extern int acpi_ioapic;
+
+
+/* Fixmap pages to reserve for ACPI boot-time tables (see fixmap.h) */
+#define FIX_ACPI_PAGES 4
+
+#ifdef CONFIG_X86_IO_APIC
+extern int skip_ioapic_setup;
+
+static inline void disable_ioapic_setup(void)
+{
+	skip_ioapic_setup = 1;
+}
+
+static inline int ioapic_setup_disabled(void)
+{
+	return skip_ioapic_setup;
+}
+
+#else
+static inline void disable_ioapic_setup(void)
+{ }
+
+#endif
+
+#else	/* CONFIG_ACPI_BOOT */
+#  define acpi_lapic 0
+#  define acpi_ioapic 0
+
+#endif
+#endif /* !CONFIG_ACPI_HT_ONLY */
+
+#ifdef CONFIG_ACPI_SLEEP
+
+extern unsigned long saved_eip;
+extern unsigned long saved_esp;
+extern unsigned long saved_ebp;
+extern unsigned long saved_ebx;
+extern unsigned long saved_esi;
+extern unsigned long saved_edi;
+
+static inline void acpi_save_register_state(unsigned long return_point)
+{
+	saved_eip = return_point;
+	asm volatile ("movl %%esp,(%0)" : "=m" (saved_esp));
+	asm volatile ("movl %%ebp,(%0)" : "=m" (saved_ebp));
+	asm volatile ("movl %%ebx,(%0)" : "=m" (saved_ebx));
+	asm volatile ("movl %%edi,(%0)" : "=m" (saved_edi));
+	asm volatile ("movl %%esi,(%0)" : "=m" (saved_esi));
+}
+
+#define acpi_restore_register_state()   do {} while (0)
+
+
+/* routines for saving/restoring kernel state */
+extern int acpi_save_state_mem(void);
+extern int acpi_save_state_disk(void);
+extern void acpi_restore_state_mem(void);
+
+extern unsigned long acpi_wakeup_address;
+
+extern void do_suspend_lowlevel_s4bios(int resume);
+
+/* early initialization routine */
+extern void acpi_reserve_bootmem(void);
+
+#endif /*CONFIG_ACPI_SLEEP*/
+
+
+#endif /*__KERNEL__*/
+
+#endif /*_ASM_ACPI_H*/