patch-2.4.22 linux-2.4.22/include/asm-x86_64/acpi.h
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- Lines: 148
- Date:
2003-08-25 04:44:44.000000000 -0700
- Orig file:
linux-2.4.21/include/asm-x86_64/acpi.h
- Orig date:
1969-12-31 16:00:00.000000000 -0800
diff -urN linux-2.4.21/include/asm-x86_64/acpi.h linux-2.4.22/include/asm-x86_64/acpi.h
@@ -0,0 +1,147 @@
+/*
+ * asm-x86_64/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 RAX ("=a")
+ * %1 and %2 are the input parameters in RCX ("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 { \
+ unsigned long dummy; \
+ asm("1: movl (%2),%%eax;" \
+ "movl %%eax,%%edx;" \
+ "andq %2,%%rdx;" \
+ "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 { \
+ unsigned long dummy; \
+ asm("1: movl (%2),%%eax;" \
+ "movl %%eax,%%edx;" \
+ "andq %2,%%rdx;" \
+ "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))
+
+
+#ifndef CONFIG_ACPI_BOOT
+#define acpi_lapic 0
+#define acpi_ioapic 0
+#else
+#ifdef CONFIG_X86_LOCAL_APIC
+extern int acpi_lapic;
+#else
+#define acpi_lapic 0
+#endif
+#ifdef CONFIG_X86_IO_APIC
+extern int acpi_ioapic;
+#else
+#define acpi_ioapic 0
+#endif
+
+/* Fixmap pages to reserve for ACPI boot-time tables (see fixmap.h) */
+#define FIX_ACPI_PAGES 4
+
+#endif /*CONFIG_ACPI_BOOT*/
+
+#ifdef CONFIG_ACPI_SLEEP
+
+/* 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;
+
+/* early initialization routine */
+extern void acpi_reserve_bootmem(void);
+
+#endif /*CONFIG_ACPI_SLEEP*/
+
+#define boot_cpu_physical_apicid boot_cpu_id
+
+extern void mp_config_ioapic_for_sci(int irq);
+
+#endif /*__KERNEL__*/
+
+#endif /*_ASM_ACPI_H*/
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