diff options
Diffstat (limited to 'UefiCpuPkg/CpuIo2Smm/CpuIo2Mm.c')
| -rw-r--r-- | UefiCpuPkg/CpuIo2Smm/CpuIo2Mm.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/UefiCpuPkg/CpuIo2Smm/CpuIo2Mm.c b/UefiCpuPkg/CpuIo2Smm/CpuIo2Mm.c index 7e314eaa15..44e52562a8 100644 --- a/UefiCpuPkg/CpuIo2Smm/CpuIo2Mm.c +++ b/UefiCpuPkg/CpuIo2Smm/CpuIo2Mm.c @@ -16,7 +16,7 @@ EFI_HANDLE mHandle = NULL; //
// SMM CPU I/O Protocol instance
//
-EFI_SMM_CPU_IO2_PROTOCOL mSmmCpuIo2 = {
+EFI_SMM_CPU_IO2_PROTOCOL mSmmCpuIo2 = {
{
CpuMemoryServiceRead,
CpuMemoryServiceWrite
@@ -30,7 +30,7 @@ EFI_SMM_CPU_IO2_PROTOCOL mSmmCpuIo2 = { //
// Lookup table for increment values based on transfer widths
//
-UINT8 mStride[] = {
+UINT8 mStride[] = {
1, // SMM_IO_UINT8
2, // SMM_IO_UINT16
4, // SMM_IO_UINT32
@@ -112,6 +112,7 @@ CpuIoCheckParameter ( if (MaxCount < (Count - 1)) {
return EFI_UNSUPPORTED;
}
+
if (Address > LShiftU64 (MaxCount - Count + 1, Width)) {
return EFI_UNSUPPORTED;
}
@@ -184,6 +185,7 @@ CpuMemoryServiceRead ( *((UINT64 *)Uint8Buffer) = MmioRead64 ((UINTN)Address);
}
}
+
return EFI_SUCCESS;
}
@@ -244,6 +246,7 @@ CpuMemoryServiceWrite ( MmioWrite64 ((UINTN)Address, *((UINT64 *)Uint8Buffer));
}
}
+
return EFI_SUCCESS;
}
|