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Use pmap_mapdev()/pmap_unmapdev() to map device memory instead of using

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AcpiOsMapMemory()/AcpiOsUnmapMemory() (-> pmap_mapbios()/pmap_unmapbios())
for AcpiOsReadMemory() and AcpiOsWriteMemory().  Although they do not sound
too obvious, these functions are exclusively used to access memory mapped
IO in ACPICA.
This commit is contained in:
jkim 2010-07-16 03:59:50 +00:00
parent 53abeaa9aa
commit 4006e89baa
1 changed files with 4 additions and 4 deletions
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8
sys/dev/acpica/Osd/OsdMemory.c
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@ -97,7 +97,7 @@ AcpiOsReadMemory(ACPI_PHYSICAL_ADDRESS Address, UINT32 *Value, UINT32 Width)
{
void *LogicalAddress;
LogicalAddress = AcpiOsMapMemory(Address, Width / 8);
LogicalAddress = pmap_mapdev(Address, Width / 8);
if (LogicalAddress == NULL)
return (AE_NOT_EXIST);
@ -113,7 +113,7 @@ AcpiOsReadMemory(ACPI_PHYSICAL_ADDRESS Address, UINT32 *Value, UINT32 Width)
break;
}
AcpiOsUnmapMemory(LogicalAddress, Width / 8);
pmap_unmapdev((vm_offset_t)LogicalAddress, Width / 8);
return (AE_OK);
}
@ -123,7 +123,7 @@ AcpiOsWriteMemory(ACPI_PHYSICAL_ADDRESS Address, UINT32 Value, UINT32 Width)
{
void *LogicalAddress;
LogicalAddress = AcpiOsMapMemory(Address, Width / 8);
LogicalAddress = pmap_mapdev(Address, Width / 8);
if (LogicalAddress == NULL)
return (AE_NOT_EXIST);
@ -139,7 +139,7 @@ AcpiOsWriteMemory(ACPI_PHYSICAL_ADDRESS Address, UINT32 Value, UINT32 Width)
break;
}
AcpiOsUnmapMemory(LogicalAddress, Width / 8);
pmap_unmapdev((vm_offset_t)LogicalAddress, Width / 8);
return (AE_OK);
}