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AcpiOsMem primitives as required by the new ACPI CA snapshot

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This commit is contained in:
Mike Smith 2000-12-01 10:19:28 +00:00
parent 042283a67b
commit c434440bac
1 changed files with 91 additions and 1 deletions
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92
sys/dev/acpica/Osd/OsdMemory.c
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@ -1,4 +1,5 @@
/*-
* Copyright (c) 2000 Mitsaru Iwasaki
* Copyright (c) 2000 Michael Smith
* Copyright (c) 2000 BSDi
* All rights reserved.
@ -64,7 +65,7 @@ AcpiOsFree (void *Memory)
}
ACPI_STATUS
AcpiOsMapMemory (void *PhysicalAddress, UINT32 Length, void **LogicalAddress)
AcpiOsMapMemory (ACPI_PHYSICAL_ADDRESS PhysicalAddress, UINT32 Length, void **LogicalAddress)
{
*LogicalAddress = pmap_mapdev((vm_offset_t)PhysicalAddress, Length);
if (*LogicalAddress == NULL)
@ -94,3 +95,92 @@ 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);
}