146 lines
3.6 KiB
C
146 lines
3.6 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.
|
|
*/
|
|
|
|
/*
|
|
* 6.2 : Memory Management
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
#include <contrib/dev/acpica/include/acpi.h>
|
|
|
|
#include <sys/kernel.h>
|
|
#include <sys/malloc.h>
|
|
#include <vm/vm.h>
|
|
#include <vm/pmap.h>
|
|
|
|
static MALLOC_DEFINE(M_ACPICA, "acpica", "ACPI CA memory pool");
|
|
|
|
void *
|
|
AcpiOsAllocate(ACPI_SIZE Size)
|
|
{
|
|
return (malloc(Size, M_ACPICA, M_NOWAIT));
|
|
}
|
|
|
|
void
|
|
AcpiOsFree(void *Memory)
|
|
{
|
|
free(Memory, M_ACPICA);
|
|
}
|
|
|
|
void *
|
|
AcpiOsMapMemory(ACPI_PHYSICAL_ADDRESS PhysicalAddress, ACPI_SIZE Length)
|
|
{
|
|
return (pmap_mapbios((vm_offset_t)PhysicalAddress, Length));
|
|
}
|
|
|
|
void
|
|
AcpiOsUnmapMemory(void *LogicalAddress, ACPI_SIZE Length)
|
|
{
|
|
pmap_unmapbios((vm_offset_t)LogicalAddress, Length);
|
|
}
|
|
|
|
ACPI_STATUS
|
|
AcpiOsGetPhysicalAddress(void *LogicalAddress,
|
|
ACPI_PHYSICAL_ADDRESS *PhysicalAddress)
|
|
{
|
|
/* We can't necessarily do this, so cop out. */
|
|
return (AE_BAD_ADDRESS);
|
|
}
|
|
|
|
BOOLEAN
|
|
AcpiOsReadable (void *Pointer, ACPI_SIZE Length)
|
|
{
|
|
return (TRUE);
|
|
}
|
|
|
|
BOOLEAN
|
|
AcpiOsWritable (void *Pointer, ACPI_SIZE Length)
|
|
{
|
|
return (TRUE);
|
|
}
|
|
|
|
ACPI_STATUS
|
|
AcpiOsReadMemory(ACPI_PHYSICAL_ADDRESS Address, UINT64 *Value, UINT32 Width)
|
|
{
|
|
void *LogicalAddress;
|
|
|
|
LogicalAddress = pmap_mapdev(Address, Width / 8);
|
|
if (LogicalAddress == NULL)
|
|
return (AE_NOT_EXIST);
|
|
|
|
switch (Width) {
|
|
case 8:
|
|
*Value = *(volatile uint8_t *)LogicalAddress;
|
|
break;
|
|
case 16:
|
|
*Value = *(volatile uint16_t *)LogicalAddress;
|
|
break;
|
|
case 32:
|
|
*Value = *(volatile uint32_t *)LogicalAddress;
|
|
break;
|
|
case 64:
|
|
*Value = *(volatile uint64_t *)LogicalAddress;
|
|
break;
|
|
}
|
|
|
|
pmap_unmapdev((vm_offset_t)LogicalAddress, Width / 8);
|
|
|
|
return (AE_OK);
|
|
}
|
|
|
|
ACPI_STATUS
|
|
AcpiOsWriteMemory(ACPI_PHYSICAL_ADDRESS Address, UINT64 Value, UINT32 Width)
|
|
{
|
|
void *LogicalAddress;
|
|
|
|
LogicalAddress = pmap_mapdev(Address, Width / 8);
|
|
if (LogicalAddress == NULL)
|
|
return (AE_NOT_EXIST);
|
|
|
|
switch (Width) {
|
|
case 8:
|
|
*(volatile uint8_t *)LogicalAddress = Value;
|
|
break;
|
|
case 16:
|
|
*(volatile uint16_t *)LogicalAddress = Value;
|
|
break;
|
|
case 32:
|
|
*(volatile uint32_t *)LogicalAddress = Value;
|
|
break;
|
|
case 64:
|
|
*(volatile uint64_t *)LogicalAddress = Value;
|
|
break;
|
|
}
|
|
|
|
pmap_unmapdev((vm_offset_t)LogicalAddress, Width / 8);
|
|
|
|
return (AE_OK);
|
|
}
|