187 lines
4.2 KiB
C
187 lines
4.2 KiB
C
/*-
|
|
* Copyright (c) 2000 Mitsaru Iwasaki
|
|
* Copyright (c) 2000 Michael Smith
|
|
* Copyright (c) 2000 BSDi
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
/*
|
|
* 6.2 : Memory Management
|
|
*/
|
|
|
|
#include "acpi.h"
|
|
|
|
#include <sys/kernel.h>
|
|
#include <sys/malloc.h>
|
|
#include <vm/vm.h>
|
|
#include <vm/pmap.h>
|
|
|
|
MALLOC_DEFINE(M_ACPICA, "acpica", "ACPI CA memory pool");
|
|
|
|
void *
|
|
AcpiOsAllocate(UINT32 Size)
|
|
{
|
|
return(malloc(Size, M_ACPICA, M_NOWAIT));
|
|
}
|
|
|
|
void *
|
|
AcpiOsCallocate (UINT32 Size)
|
|
{
|
|
void *alloc;
|
|
|
|
alloc = malloc(Size, M_ACPICA, M_NOWAIT);
|
|
if (alloc != NULL)
|
|
bzero(alloc, Size);
|
|
return(alloc);
|
|
}
|
|
|
|
void
|
|
AcpiOsFree (void *Memory)
|
|
{
|
|
free(Memory, M_ACPICA);
|
|
}
|
|
|
|
ACPI_STATUS
|
|
AcpiOsMapMemory (ACPI_PHYSICAL_ADDRESS PhysicalAddress, UINT32 Length, void **LogicalAddress)
|
|
{
|
|
*LogicalAddress = pmap_mapdev((vm_offset_t)PhysicalAddress, Length);
|
|
if (*LogicalAddress == NULL)
|
|
return(AE_BAD_ADDRESS);
|
|
return(AE_OK);
|
|
}
|
|
|
|
void
|
|
AcpiOsUnmapMemory (void *LogicalAddress, UINT32 Length)
|
|
{
|
|
pmap_unmapdev((vm_offset_t)LogicalAddress, Length);
|
|
}
|
|
|
|
/*
|
|
* There is no clean way to do this. We make the charitable assumption
|
|
* that callers will not pass garbage to us.
|
|
*/
|
|
BOOLEAN
|
|
AcpiOsReadable (void *Pointer, UINT32 Length)
|
|
{
|
|
return(TRUE);
|
|
}
|
|
|
|
BOOLEAN
|
|
AcpiOsWritable (void *Pointer, UINT32 Length)
|
|
{
|
|
return(TRUE);
|
|
}
|
|
|
|
static __inline
|
|
UINT32
|
|
AcpiOsMemInX (UINT32 Length, ACPI_PHYSICAL_ADDRESS InAddr)
|
|
{
|
|
UINT32 Value;
|
|
void *LogicalAddress;
|
|
|
|
if (AcpiOsMapMemory(InAddr, Length, &LogicalAddress) != AE_OK) {
|
|
return(0);
|
|
}
|
|
|
|
switch (Length) {
|
|
case 1:
|
|
Value = (*(volatile u_int8_t *)LogicalAddress) & 0xff;
|
|
break;
|
|
case 2:
|
|
Value = (*(volatile u_int16_t *)LogicalAddress) & 0xffff;
|
|
break;
|
|
case 4:
|
|
Value = (*(volatile u_int32_t *)LogicalAddress);
|
|
break;
|
|
}
|
|
|
|
AcpiOsUnmapMemory(LogicalAddress, Length);
|
|
|
|
return(Value);
|
|
}
|
|
|
|
UINT8
|
|
AcpiOsMemIn8 (ACPI_PHYSICAL_ADDRESS InAddr)
|
|
{
|
|
return((UINT8)AcpiOsMemInX(1, InAddr));
|
|
}
|
|
|
|
UINT16
|
|
AcpiOsMemIn16 (ACPI_PHYSICAL_ADDRESS InAddr)
|
|
{
|
|
return((UINT16)AcpiOsMemInX(2, InAddr));
|
|
}
|
|
|
|
UINT32
|
|
AcpiOsMemIn32 (ACPI_PHYSICAL_ADDRESS InAddr)
|
|
{
|
|
return((UINT32)AcpiOsMemInX(4, InAddr));
|
|
}
|
|
|
|
static __inline
|
|
void
|
|
AcpiOsMemOutX (UINT32 Length, ACPI_PHYSICAL_ADDRESS OutAddr, UINT32 Value)
|
|
{
|
|
void *LogicalAddress;
|
|
|
|
if (AcpiOsMapMemory(OutAddr, Length, &LogicalAddress) != AE_OK) {
|
|
return;
|
|
}
|
|
|
|
switch (Length) {
|
|
case 1:
|
|
(*(volatile u_int8_t *)LogicalAddress) = Value & 0xff;
|
|
break;
|
|
case 2:
|
|
(*(volatile u_int16_t *)LogicalAddress) = Value & 0xffff;
|
|
break;
|
|
case 4:
|
|
(*(volatile u_int32_t *)LogicalAddress) = Value;
|
|
break;
|
|
}
|
|
|
|
AcpiOsUnmapMemory(LogicalAddress, Length);
|
|
}
|
|
|
|
void
|
|
AcpiOsMemOut8 (ACPI_PHYSICAL_ADDRESS OutAddr, UINT8 Value)
|
|
{
|
|
AcpiOsMemOutX(1, OutAddr, (UINT32)Value);
|
|
}
|
|
|
|
void
|
|
AcpiOsMemOut16 (ACPI_PHYSICAL_ADDRESS OutAddr, UINT16 Value)
|
|
{
|
|
AcpiOsMemOutX(2, OutAddr, (UINT32)Value);
|
|
}
|
|
|
|
void
|
|
AcpiOsMemOut32 (ACPI_PHYSICAL_ADDRESS OutAddr, UINT32 Value)
|
|
{
|
|
AcpiOsMemOutX(4, OutAddr, (UINT32)Value);
|
|
}
|
|
|