1050 lines
26 KiB
C
1050 lines
26 KiB
C
/******************************************************************************
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*
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* Module Name: osminixxf - MINIX3 OSL interfaces
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*
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*****************************************************************************/
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/*
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* Copyright (C) 2000 - 2014, Intel Corp.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions, and the following disclaimer,
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* without modification.
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* 2. Redistributions in binary form must reproduce at minimum a disclaimer
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* substantially similar to the "NO WARRANTY" disclaimer below
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* ("Disclaimer") and any redistribution must be conditioned upon
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* including a substantially similar Disclaimer requirement for further
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* binary redistribution.
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* 3. Neither the names of the above-listed copyright holders nor the names
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* of any contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* Alternatively, this software may be distributed under the terms of the
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* GNU General Public License ("GPL") version 2 as published by the Free
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* Software Foundation.
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*
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* NO WARRANTY
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGES.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <sys/time.h>
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#include "acpi.h"
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#include "accommon.h"
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#include "amlcode.h"
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#include "acparser.h"
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#include "acdebug.h"
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#include <minix/driver.h>
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#include <machine/pci_intel.h>
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extern struct machine machine;
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static u32_t pci_inb(u16_t port) {
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u32_t value;
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int s;
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if ((s=sys_inb(port, &value)) !=OK)
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printf("ACPI: warning, sys_inb failed: %d\n", s);
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return value;
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}
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static u32_t pci_inw(u16_t port) {
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u32_t value;
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int s;
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if ((s=sys_inw(port, &value)) !=OK)
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printf("ACPI: warning, sys_inw failed: %d\n", s);
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return value;
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}
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static u32_t pci_inl(u16_t port) {
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u32_t value;
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int s;
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if ((s=sys_inl(port, &value)) !=OK)
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printf("ACPI: warning, sys_inl failed: %d\n", s);
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return value;
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}
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static void pci_outb(u16_t port, u8_t value) {
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int s;
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if ((s=sys_outb(port, value)) !=OK)
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printf("ACPI: warning, sys_outb failed: %d\n", s);
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}
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static void pci_outw(u16_t port, u16_t value) {
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int s;
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if ((s=sys_outw(port, value)) !=OK)
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printf("ACPI: warning, sys_outw failed: %d\n", s);
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}
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static void pci_outl(u16_t port, u32_t value) {
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int s;
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if ((s=sys_outl(port, value)) !=OK)
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printf("ACPI: warning, sys_outl failed: %d\n", s);
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}
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/******************************************************************************
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*
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* FUNCTION: AcpiOsInitialize, AcpiOsTerminate
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*
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* PARAMETERS: None
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*
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* RETURN: Status
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*
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* DESCRIPTION: Init and terminate. Nothing to do.
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*
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*****************************************************************************/
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ACPI_STATUS
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AcpiOsInitialize (void)
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{
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return AE_OK;
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}
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ACPI_STATUS
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AcpiOsTerminate (void)
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{
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return AE_OK;
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}
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/******************************************************************************
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*
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* FUNCTION: AcpiOsPredefinedOverride
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*
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* PARAMETERS: InitVal - Initial value of the predefined object
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* NewVal - The new value for the object
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*
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* RETURN: Status, pointer to value. Null pointer returned if not
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* overriding.
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*
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* DESCRIPTION: Allow the OS to override predefined names
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*
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*****************************************************************************/
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ACPI_STATUS
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AcpiOsPredefinedOverride (
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const ACPI_PREDEFINED_NAMES *InitVal,
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ACPI_STRING *NewVal)
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{
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*NewVal = NULL;
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return (AE_OK);
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}
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/******************************************************************************
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*
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* FUNCTION: AcpiOsTableOverride
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*
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* PARAMETERS: ExistingTable - Header of current table (probably firmware)
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* NewTable - Where an entire new table is returned.
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*
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* RETURN: Status, pointer to new table. Null pointer returned if no
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* table is available to override
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*
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* DESCRIPTION: Return a different version of a table if one is available
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*
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*****************************************************************************/
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ACPI_STATUS
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AcpiOsTableOverride (
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ACPI_TABLE_HEADER *ExistingTable,
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ACPI_TABLE_HEADER **NewTable)
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{
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*NewTable = NULL;
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return (AE_OK);
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}
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/******************************************************************************
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*
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* FUNCTION: AcpiOsReadable
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*
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* PARAMETERS: Pointer - Area to be verified
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* Length - Size of area
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*
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* RETURN: TRUE if readable for entire length
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*
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* DESCRIPTION: Verify that a pointer is valid for reading
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*
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*****************************************************************************/
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BOOLEAN
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AcpiOsReadable (
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void *Pointer,
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ACPI_SIZE Length)
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{
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panic("NOTIMPLEMENTED %s\n", __func__);
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return (TRUE);
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}
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/******************************************************************************
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*
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* FUNCTION: AcpiOsWritable
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*
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* PARAMETERS: Pointer - Area to be verified
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* Length - Size of area
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*
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* RETURN: TRUE if writable for entire length
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*
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* DESCRIPTION: Verify that a pointer is valid for writing
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*
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*****************************************************************************/
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BOOLEAN
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AcpiOsWritable (
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void *Pointer,
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ACPI_SIZE Length)
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{
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panic("NOTIMPLEMENTED %s\n", __func__);
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return (TRUE);
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}
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/******************************************************************************
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*
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* FUNCTION: AcpiOsPhysicalTableOverride
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*
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* PARAMETERS: ExistingTable - Header of current table (probably firmware)
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* NewAddress - Where new table address is returned
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* (Physical address)
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* NewTableLength - Where new table length is returned
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*
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* RETURN: Status, address/length of new table. Null pointer returned
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* if no table is available to override.
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*
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*****************************************************************************/
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ACPI_STATUS
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AcpiOsPhysicalTableOverride (
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ACPI_TABLE_HEADER *ExistingTable,
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ACPI_PHYSICAL_ADDRESS *NewAddress,
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UINT32 *NewTableLength)
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{
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*NewAddress = 0;
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return (AE_OK);
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}
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/******************************************************************************
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*
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* FUNCTION: AcpiOsRedirectOutput
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*
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* PARAMETERS: Destination - An open file handle/pointer
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*
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* RETURN: None
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*
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* DESCRIPTION: Causes redirect of AcpiOsPrintf and AcpiOsVprintf
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*
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*****************************************************************************/
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void
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AcpiOsRedirectOutput (
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void *Destination)
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{
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panic("NOTIMPLEMENTED %s\n", __func__);
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}
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/******************************************************************************
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*
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* FUNCTION: AcpiOsPrintf
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*
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* PARAMETERS: fmt, ... Standard printf format
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*
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* RETURN: None
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*
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* DESCRIPTION: Formatted output
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*
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*****************************************************************************/
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void ACPI_INTERNAL_VAR_XFACE
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AcpiOsPrintf (
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const char *Fmt,
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...)
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{
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va_list Args;
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va_start (Args, Fmt);
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#ifdef ACPI_BF_DEBUG
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AcpiOsVprintf (Fmt, Args);
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#endif
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va_end (Args);
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return;
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}
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/******************************************************************************
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*
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* FUNCTION: AcpiOsVprintf
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*
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* PARAMETERS: fmt Standard printf format
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* args Argument list
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*
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* RETURN: None
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*
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* DESCRIPTION: Formatted output with argument list pointer
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*
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*****************************************************************************/
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void
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AcpiOsVprintf (
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const char *Fmt,
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va_list Args)
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{
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printf("ACPI: ");
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vprintf (Fmt, Args);
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printf("\n");
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}
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/******************************************************************************
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*
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* FUNCTION: AcpiOsGetLine
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*
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* PARAMETERS: Buffer - Where to return the command line
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* BufferLength - Maximum length of Buffer
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* BytesRead - Where the actual byte count is returned
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*
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* RETURN: Status and actual bytes read
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*
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* DESCRIPTION: Get the next input line from the terminal. NOTE: For the
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* AcpiExec utility, we use the acgetline module instead to
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* provide line-editing and history support.
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*
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*****************************************************************************/
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ACPI_STATUS
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AcpiOsGetLine (
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char *Buffer,
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UINT32 BufferLength,
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UINT32 *BytesRead)
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{
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panic("NOTIMPLEMENTED %s\n", __func__);
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return 0;
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}
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/******************************************************************************
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*
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* FUNCTION: AcpiOsMapMemory
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*
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* PARAMETERS: where Physical address of memory to be mapped
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* length How much memory to map
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*
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* RETURN: Pointer to mapped memory. Null on error.
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*
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* DESCRIPTION: Map physical memory into caller's address space
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*
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*****************************************************************************/
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void *
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AcpiOsMapMemory (
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ACPI_PHYSICAL_ADDRESS where, /* not page aligned */
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ACPI_SIZE length) /* in bytes, not page-aligned */
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{
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return vm_map_phys(SELF, (void *) where, length);
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}
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/******************************************************************************
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*
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* FUNCTION: AcpiOsUnmapMemory
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*
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* PARAMETERS: where Logical address of memory to be unmapped
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* length How much memory to unmap
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*
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* RETURN: None.
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*
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* DESCRIPTION: Delete a previously created mapping. Where and Length must
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* correspond to a previous mapping exactly.
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*
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*****************************************************************************/
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void
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AcpiOsUnmapMemory (
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void *where,
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ACPI_SIZE length)
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{
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vm_unmap_phys(SELF, where, length);
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}
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/******************************************************************************
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*
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* FUNCTION: AcpiOsAllocate
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*
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* PARAMETERS: Size Amount to allocate, in bytes
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*
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* RETURN: Pointer to the new allocation. Null on error.
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*
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* DESCRIPTION: Allocate memory. Algorithm is dependent on the OS.
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*
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*****************************************************************************/
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void *
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AcpiOsAllocate (
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ACPI_SIZE size)
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{
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void *Mem;
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Mem = (void *) malloc ((size_t) size);
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if (Mem == NULL)
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printf("AcpiOsAllocate out of memory\n");
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return Mem;
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}
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/******************************************************************************
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*
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* FUNCTION: AcpiOsFree
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*
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* PARAMETERS: mem Pointer to previously allocated memory
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*
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* RETURN: None.
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*
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* DESCRIPTION: Free memory allocated via AcpiOsAllocate
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*
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*****************************************************************************/
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void
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AcpiOsFree (
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void *mem)
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{
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free(mem);
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}
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/******************************************************************************
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*
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* FUNCTION: AcpiOsCreateSemaphore
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*
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* PARAMETERS: InitialUnits - Units to be assigned to the new semaphore
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* OutHandle - Where a handle will be returned
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*
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* RETURN: Status
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*
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* DESCRIPTION: Create an OS semaphore
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*
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*****************************************************************************/
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ACPI_STATUS
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AcpiOsCreateSemaphore (
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UINT32 MaxUnits,
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UINT32 InitialUnits,
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ACPI_HANDLE *OutHandle)
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{
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*OutHandle = NULL;
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return AE_OK;
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}
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/******************************************************************************
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*
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* FUNCTION: AcpiOsDeleteSemaphore
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*
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* PARAMETERS: Handle - Handle returned by AcpiOsCreateSemaphore
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*
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* RETURN: Status
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*
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* DESCRIPTION: Delete an OS semaphore
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*
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*****************************************************************************/
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ACPI_STATUS
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AcpiOsDeleteSemaphore (
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ACPI_HANDLE Handle)
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{
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return AE_OK;
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}
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|
|
|
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/******************************************************************************
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*
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* FUNCTION: AcpiOsWaitSemaphore
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*
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* PARAMETERS: Handle - Handle returned by AcpiOsCreateSemaphore
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* Units - How many units to wait for
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* Timeout - How long to wait
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*
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* RETURN: Status
|
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*
|
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* DESCRIPTION: Wait for units
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*
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*****************************************************************************/
|
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|
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ACPI_STATUS
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AcpiOsWaitSemaphore (
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ACPI_HANDLE Handle,
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UINT32 Units,
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UINT16 Timeout)
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{
|
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return AE_OK;
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}
|
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|
|
|
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/******************************************************************************
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*
|
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* FUNCTION: AcpiOsSignalSemaphore
|
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*
|
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* PARAMETERS: Handle - Handle returned by AcpiOsCreateSemaphore
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* Units - Number of units to send
|
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*
|
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* RETURN: Status
|
|
*
|
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* DESCRIPTION: Send units
|
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*
|
|
*****************************************************************************/
|
|
|
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ACPI_STATUS
|
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AcpiOsSignalSemaphore (
|
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ACPI_HANDLE Handle,
|
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UINT32 Units)
|
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{
|
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return AE_OK;
|
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}
|
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|
|
|
|
ACPI_STATUS
|
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AcpiOsCreateLock (
|
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ACPI_SPINLOCK *OutHandle)
|
|
{
|
|
*OutHandle = NULL;
|
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return AE_OK;
|
|
}
|
|
|
|
void
|
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AcpiOsDeleteLock (
|
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ACPI_SPINLOCK Handle)
|
|
{
|
|
}
|
|
|
|
|
|
ACPI_CPU_FLAGS
|
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AcpiOsAcquireLock (
|
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ACPI_HANDLE Handle)
|
|
{
|
|
return (0);
|
|
}
|
|
|
|
|
|
void
|
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AcpiOsReleaseLock (
|
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ACPI_SPINLOCK Handle,
|
|
ACPI_CPU_FLAGS Flags)
|
|
{
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiOsInstallInterruptHandler
|
|
*
|
|
* PARAMETERS: InterruptNumber Level handler should respond to.
|
|
* Isr Address of the ACPI interrupt handler
|
|
* ExceptPtr Where status is returned
|
|
*
|
|
* RETURN: Handle to the newly installed handler.
|
|
*
|
|
* DESCRIPTION: Install an interrupt handler. Used to install the ACPI
|
|
* OS-independent handler.
|
|
*
|
|
*****************************************************************************/
|
|
|
|
UINT32
|
|
AcpiOsInstallInterruptHandler (
|
|
UINT32 InterruptNumber,
|
|
ACPI_OSD_HANDLER ServiceRoutine,
|
|
void *Context)
|
|
{
|
|
printf("ACPI: no support for power interrupt yet\n");
|
|
return AE_OK;
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiOsRemoveInterruptHandler
|
|
*
|
|
* PARAMETERS: Handle Returned when handler was installed
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Uninstalls an interrupt handler.
|
|
*
|
|
*****************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiOsRemoveInterruptHandler (
|
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UINT32 InterruptNumber,
|
|
ACPI_OSD_HANDLER ServiceRoutine)
|
|
{
|
|
printf("ACPI: no support for power interrupt yet\n");
|
|
return AE_OK;
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiOsExecute
|
|
*
|
|
* PARAMETERS: Type - Type of execution
|
|
* Function - Address of the function to execute
|
|
* Context - Passed as a parameter to the function
|
|
*
|
|
* RETURN: Status.
|
|
*
|
|
* DESCRIPTION: Execute a new thread
|
|
*
|
|
*****************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiOsExecute (
|
|
ACPI_EXECUTE_TYPE Type,
|
|
ACPI_OSD_EXEC_CALLBACK Function,
|
|
void *Context)
|
|
{
|
|
panic("NOTIMPLEMENTED %s\n", __func__);
|
|
return AE_OK;
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiOsBreakpoint
|
|
*
|
|
* PARAMETERS: Msg Message to print
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Print a message and break to the debugger.
|
|
*
|
|
*****************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiOsBreakpoint (
|
|
char *Msg)
|
|
{
|
|
panic("NOTIMPLEMENTED %s\n", __func__);
|
|
return AE_OK;
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiOsStall
|
|
*
|
|
* PARAMETERS: microseconds To sleep
|
|
*
|
|
* RETURN: Blocks until sleep is completed.
|
|
*
|
|
* DESCRIPTION: Sleep at microsecond granularity
|
|
*
|
|
*****************************************************************************/
|
|
|
|
void
|
|
AcpiOsStall (
|
|
UINT32 microseconds)
|
|
{
|
|
if (microseconds > 0)
|
|
usleep (microseconds);
|
|
|
|
return;
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiOsSleep
|
|
*
|
|
* PARAMETERS: milliseconds To sleep
|
|
*
|
|
* RETURN: Blocks until sleep is completed.
|
|
*
|
|
* DESCRIPTION: Sleep at millisecond granularity
|
|
*
|
|
*****************************************************************************/
|
|
|
|
void
|
|
AcpiOsSleep (
|
|
ACPI_INTEGER milliseconds)
|
|
{
|
|
if ((milliseconds / 1000) > 0)
|
|
sleep (milliseconds / 1000);
|
|
|
|
if ((milliseconds % 1000) > 0)
|
|
usleep ((milliseconds % 1000) * 1000);
|
|
|
|
return;
|
|
}
|
|
|
|
/******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiOsGetTimer
|
|
*
|
|
* PARAMETERS: None
|
|
*
|
|
* RETURN: Current time in 100 nanosecond units
|
|
*
|
|
* DESCRIPTION: Get the current system time
|
|
*
|
|
*****************************************************************************/
|
|
|
|
UINT64
|
|
AcpiOsGetTimer (void)
|
|
{
|
|
struct timeval time;
|
|
|
|
gettimeofday (&time, NULL);
|
|
return (((UINT64) time.tv_sec * 10000000) +
|
|
((UINT64) time.tv_usec * 10));
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiOsValidateInterface
|
|
*
|
|
* PARAMETERS: Interface - Requested interface to be validated
|
|
*
|
|
* RETURN: AE_OK if interface is supported, AE_SUPPORT otherwise
|
|
*
|
|
* DESCRIPTION: Match an interface string to the interfaces supported by the
|
|
* host. Strings originate from an AML call to the _OSI method.
|
|
*
|
|
*****************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiOsValidateInterface (
|
|
char *Interface)
|
|
{
|
|
return (AE_SUPPORT);
|
|
}
|
|
|
|
|
|
/* TEMPORARY STUB FUNCTION */
|
|
void
|
|
AcpiOsDerivePciId(
|
|
ACPI_HANDLE rhandle,
|
|
ACPI_HANDLE chandle,
|
|
ACPI_PCI_ID **PciId)
|
|
{
|
|
/* we do nothing here, we keep the PciId unchanged */
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiOsReadPort
|
|
*
|
|
* PARAMETERS: Address Address of I/O port/register to read
|
|
* Value Where value is placed
|
|
* Width Number of bits
|
|
*
|
|
* RETURN: Value read from port
|
|
*
|
|
* DESCRIPTION: Read data from an I/O port or register
|
|
*
|
|
*****************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiOsReadPort (
|
|
ACPI_IO_ADDRESS Address,
|
|
UINT32 *Value,
|
|
UINT32 Width)
|
|
{
|
|
*Value = 0;
|
|
switch (Width) {
|
|
case 8:
|
|
sys_inb(Address, Value);
|
|
break;
|
|
case 16:
|
|
sys_inw(Address, Value);
|
|
break;
|
|
case 32:
|
|
sys_inl(Address, Value);
|
|
break;
|
|
default:
|
|
panic("unsupported width: %d", Width);
|
|
}
|
|
return AE_OK;
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiOsWritePort
|
|
*
|
|
* PARAMETERS: Address Address of I/O port/register to write
|
|
* Value Value to write
|
|
* Width Number of bits
|
|
*
|
|
* RETURN: None
|
|
*
|
|
* DESCRIPTION: Write data to an I/O port or register
|
|
*
|
|
*****************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiOsWritePort (
|
|
ACPI_IO_ADDRESS Address,
|
|
UINT32 Value,
|
|
UINT32 Width)
|
|
{
|
|
switch (Width) {
|
|
case 8:
|
|
sys_outb(Address, Value);
|
|
break;
|
|
case 16:
|
|
sys_outw(Address, Value);
|
|
break;
|
|
case 32:
|
|
sys_outl(Address, Value);
|
|
break;
|
|
default:
|
|
panic("unsupported width: %d", Width);
|
|
}
|
|
return AE_OK;
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiOsReadMemory
|
|
*
|
|
* PARAMETERS: Address Physical Memory Address to read
|
|
* Value Where value is placed
|
|
* Width Number of bits
|
|
*
|
|
* RETURN: Value read from physical memory address
|
|
*
|
|
* DESCRIPTION: Read data from a physical memory address
|
|
*
|
|
*****************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiOsReadMemory (
|
|
ACPI_PHYSICAL_ADDRESS Address,
|
|
UINT64 *Value,
|
|
UINT32 Width)
|
|
{
|
|
/* FIXME this operation is ignored */
|
|
*Value = 0;
|
|
|
|
return (AE_OK);
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiOsWriteMemory
|
|
*
|
|
* PARAMETERS: Address Physical Memory Address to write
|
|
* Value Value to write
|
|
* Width Number of bits
|
|
*
|
|
* RETURN: None
|
|
*
|
|
* DESCRIPTION: Write data to a physical memory address
|
|
*
|
|
*****************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiOsWriteMemory (
|
|
ACPI_PHYSICAL_ADDRESS Address,
|
|
UINT64 Value,
|
|
UINT32 Width)
|
|
{
|
|
/* FIXME this operation is ignored */
|
|
return (AE_OK);
|
|
}
|
|
|
|
|
|
ACPI_THREAD_ID
|
|
AcpiOsGetThreadId(void)
|
|
{
|
|
return (ACPI_THREAD_ID) 1;
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiOsSignal
|
|
*
|
|
* PARAMETERS: Function ACPI CA signal function code
|
|
* Info Pointer to function-dependent structure
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Miscellaneous functions
|
|
*
|
|
*****************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiOsSignal (
|
|
UINT32 Function,
|
|
void *Info)
|
|
{
|
|
panic("NOTIMPLEMENTED %s\n", __func__);
|
|
return (AE_OK);
|
|
}
|
|
|
|
/******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiOsGetRootPointer
|
|
*
|
|
* PARAMETERS: None
|
|
*
|
|
* RETURN: RSDP physical address
|
|
*
|
|
* DESCRIPTION: Gets the root pointer (RSDP)
|
|
*
|
|
*****************************************************************************/
|
|
|
|
ACPI_PHYSICAL_ADDRESS AcpiOsGetRootPointer (
|
|
void)
|
|
{
|
|
return machine.acpi_rsdp;
|
|
}
|
|
|
|
/******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiOsReadPciConfiguration
|
|
*
|
|
* PARAMETERS: PciId Seg/Bus/Dev
|
|
* Register Device Register
|
|
* Value Buffer where value is placed
|
|
* Width Number of bits
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Read data from PCI configuration space
|
|
*
|
|
*****************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiOsReadPciConfiguration (
|
|
ACPI_PCI_ID *PciId,
|
|
UINT32 Register,
|
|
UINT64 *Value,
|
|
UINT32 Width)
|
|
{
|
|
int err;
|
|
|
|
switch (Width) {
|
|
case 8:
|
|
*(u8_t *)Value = PCII_RREG8_(PciId->Bus, PciId->Device,
|
|
PciId->Function, Register);
|
|
break;
|
|
case 16:
|
|
*(u16_t *)Value = PCII_RREG16_(PciId->Bus, PciId->Device,
|
|
PciId->Function, Register);
|
|
break;
|
|
case 32:
|
|
*(u32_t *)Value = PCII_RREG32_(PciId->Bus, PciId->Device,
|
|
PciId->Function, Register);
|
|
break;
|
|
default:
|
|
panic("NOT IMPLEMENTED\n");
|
|
}
|
|
|
|
if (OK != (err = sys_outl(PCII_CONFADD, PCII_UNSEL)))
|
|
printf("ACPI: warning, sys_outl failed: %d\n", err);
|
|
|
|
return AE_OK;
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiOsWritePciConfiguration
|
|
*
|
|
* PARAMETERS: PciId Seg/Bus/Dev
|
|
* Register Device Register
|
|
* Value Value to be written
|
|
* Width Number of bits
|
|
*
|
|
* RETURN: Status.
|
|
*
|
|
* DESCRIPTION: Write data to PCI configuration space
|
|
*
|
|
*****************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiOsWritePciConfiguration (
|
|
ACPI_PCI_ID *PciId,
|
|
UINT32 Register,
|
|
ACPI_INTEGER Value,
|
|
UINT32 Width)
|
|
{
|
|
int err;
|
|
|
|
switch (Width) {
|
|
case 8:
|
|
PCII_WREG8_(PciId->Bus, PciId->Device,
|
|
PciId->Function, Register, Value);
|
|
break;
|
|
case 16:
|
|
PCII_WREG16_(PciId->Bus, PciId->Device,
|
|
PciId->Function, Register, Value);
|
|
break;
|
|
case 32:
|
|
PCII_WREG32_(PciId->Bus, PciId->Device,
|
|
PciId->Function, Register, Value);
|
|
break;
|
|
default:
|
|
panic("NOT IMPLEMENTED\n");
|
|
}
|
|
|
|
if (OK != (err = sys_outl(PCII_CONFADD, PCII_UNSEL)))
|
|
printf("ACPI: warning, sys_outl failed: %d\n", err);
|
|
|
|
return AE_OK;
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiOsWaitEventsComplete
|
|
*
|
|
* PARAMETERS: None
|
|
*
|
|
* RETURN: None
|
|
*
|
|
* DESCRIPTION: Wait for all asynchronous events to complete. This
|
|
* implementation does nothing.
|
|
*
|
|
*****************************************************************************/
|
|
|
|
void
|
|
AcpiOsWaitEventsComplete (
|
|
void)
|
|
{
|
|
return;
|
|
}
|