diff options
Diffstat (limited to 'hardware/hwvalid.c')
| -rw-r--r-- | hardware/hwvalid.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/hardware/hwvalid.c b/hardware/hwvalid.c index 23b508b0a21f..7f2271bad03b 100644 --- a/hardware/hwvalid.c +++ b/hardware/hwvalid.c @@ -316,6 +316,13 @@ AcpiHwReadPort ( UINT32 i; + /* Truncate address to 16 bits if requested */ + + if (AcpiGbl_TruncateIoAddresses) + { + Address &= ACPI_UINT16_MAX; + } + /* Validate the entire request and perform the I/O */ Status = AcpiHwValidateIoRequest (Address, Width); @@ -383,6 +390,13 @@ AcpiHwWritePort ( UINT32 i; + /* Truncate address to 16 bits if requested */ + + if (AcpiGbl_TruncateIoAddresses) + { + Address &= ACPI_UINT16_MAX; + } + /* Validate the entire request and perform the I/O */ Status = AcpiHwValidateIoRequest (Address, Width); |