diff options
Diffstat (limited to 'MdePkg/Library/BaseIoLibIntrinsic')
| -rw-r--r-- | MdePkg/Library/BaseIoLibIntrinsic/BaseIoLibIntrinsic.inf | 2 | ||||
| -rw-r--r-- | MdePkg/Library/BaseIoLibIntrinsic/BaseIoLibIntrinsicSev.inf | 3 | ||||
| -rw-r--r-- | MdePkg/Library/BaseIoLibIntrinsic/IoLib.c | 81 |
3 files changed, 78 insertions, 8 deletions
diff --git a/MdePkg/Library/BaseIoLibIntrinsic/BaseIoLibIntrinsic.inf b/MdePkg/Library/BaseIoLibIntrinsic/BaseIoLibIntrinsic.inf index 97eeada065..27b15d9ae2 100644 --- a/MdePkg/Library/BaseIoLibIntrinsic/BaseIoLibIntrinsic.inf +++ b/MdePkg/Library/BaseIoLibIntrinsic/BaseIoLibIntrinsic.inf @@ -34,6 +34,8 @@ IoLibMmioBuffer.c
BaseIoLibIntrinsicInternal.h
IoHighLevel.c
+ IoLibInternalTdxNull.c
+ IoLibTdx.h
[Sources.IA32]
IoLibGcc.c | GCC
diff --git a/MdePkg/Library/BaseIoLibIntrinsic/BaseIoLibIntrinsicSev.inf b/MdePkg/Library/BaseIoLibIntrinsic/BaseIoLibIntrinsicSev.inf index 336d79736d..a74e54bee8 100644 --- a/MdePkg/Library/BaseIoLibIntrinsic/BaseIoLibIntrinsicSev.inf +++ b/MdePkg/Library/BaseIoLibIntrinsic/BaseIoLibIntrinsicSev.inf @@ -30,17 +30,20 @@ IoLibMmioBuffer.c
BaseIoLibIntrinsicInternal.h
IoHighLevel.c
+ IoLibTdx.h
[Sources.IA32]
IoLibGcc.c | GCC
IoLibMsc.c | MSFT
IoLib.c
+ IoLibInternalTdxNull.c
Ia32/IoFifoSev.nasm
[Sources.X64]
IoLibGcc.c | GCC
IoLibMsc.c | MSFT
IoLib.c
+ IoLibInternalTdx.c
X64/IoFifoSev.nasm
[Packages]
diff --git a/MdePkg/Library/BaseIoLibIntrinsic/IoLib.c b/MdePkg/Library/BaseIoLibIntrinsic/IoLib.c index 9d42e21a69..5bd02b56a1 100644 --- a/MdePkg/Library/BaseIoLibIntrinsic/IoLib.c +++ b/MdePkg/Library/BaseIoLibIntrinsic/IoLib.c @@ -7,6 +7,7 @@ **/
#include "BaseIoLibIntrinsicInternal.h"
+#include "IoLibTdx.h"
/**
Reads a 64-bit I/O port.
@@ -69,6 +70,8 @@ IoWrite64 ( If 8-bit MMIO register operations are not supported, then ASSERT().
+ For Td guest TDVMCALL_MMIO is invoked to read MMIO registers.
+
@param Address The MMIO register to read.
@return The value read.
@@ -86,7 +89,13 @@ MmioRead8 ( Flag = FilterBeforeMmIoRead (FilterWidth8, Address, &Value);
if (Flag) {
MemoryFence ();
- Value = *(volatile UINT8 *)Address;
+
+ if (IsTdxGuest ()) {
+ Value = TdMmioRead8 (Address);
+ } else {
+ Value = *(volatile UINT8 *)Address;
+ }
+
MemoryFence ();
}
@@ -104,6 +113,8 @@ MmioRead8 ( If 8-bit MMIO register operations are not supported, then ASSERT().
+ For Td guest TDVMCALL_MMIO is invoked to write MMIO registers.
+
@param Address The MMIO register to write.
@param Value The value to write to the MMIO register.
@@ -122,7 +133,13 @@ MmioWrite8 ( Flag = FilterBeforeMmIoWrite (FilterWidth8, Address, &Value);
if (Flag) {
MemoryFence ();
- *(volatile UINT8 *)Address = Value;
+
+ if (IsTdxGuest ()) {
+ TdMmioWrite8 (Address, Value);
+ } else {
+ *(volatile UINT8 *)Address = Value;
+ }
+
MemoryFence ();
}
@@ -141,6 +158,8 @@ MmioWrite8 ( If 16-bit MMIO register operations are not supported, then ASSERT().
If Address is not aligned on a 16-bit boundary, then ASSERT().
+ For Td guest TDVMCALL_MMIO is invoked to read MMIO registers.
+
@param Address The MMIO register to read.
@return The value read.
@@ -159,7 +178,13 @@ MmioRead16 ( Flag = FilterBeforeMmIoRead (FilterWidth16, Address, &Value);
if (Flag) {
MemoryFence ();
- Value = *(volatile UINT16 *)Address;
+
+ if (IsTdxGuest ()) {
+ Value = TdMmioRead16 (Address);
+ } else {
+ Value = *(volatile UINT16 *)Address;
+ }
+
MemoryFence ();
}
@@ -178,6 +203,8 @@ MmioRead16 ( If 16-bit MMIO register operations are not supported, then ASSERT().
If Address is not aligned on a 16-bit boundary, then ASSERT().
+ For Td guest TDVMCALL_MMIO is invoked to write MMIO registers.
+
@param Address The MMIO register to write.
@param Value The value to write to the MMIO register.
@@ -198,7 +225,13 @@ MmioWrite16 ( Flag = FilterBeforeMmIoWrite (FilterWidth16, Address, &Value);
if (Flag) {
MemoryFence ();
- *(volatile UINT16 *)Address = Value;
+
+ if (IsTdxGuest ()) {
+ TdMmioWrite16 (Address, Value);
+ } else {
+ *(volatile UINT16 *)Address = Value;
+ }
+
MemoryFence ();
}
@@ -217,6 +250,8 @@ MmioWrite16 ( If 32-bit MMIO register operations are not supported, then ASSERT().
If Address is not aligned on a 32-bit boundary, then ASSERT().
+ For Td guest TDVMCALL_MMIO is invoked to read MMIO registers.
+
@param Address The MMIO register to read.
@return The value read.
@@ -236,7 +271,13 @@ MmioRead32 ( Flag = FilterBeforeMmIoRead (FilterWidth32, Address, &Value);
if (Flag) {
MemoryFence ();
- Value = *(volatile UINT32 *)Address;
+
+ if (IsTdxGuest ()) {
+ Value = TdMmioRead32 (Address);
+ } else {
+ Value = *(volatile UINT32 *)Address;
+ }
+
MemoryFence ();
}
@@ -255,6 +296,8 @@ MmioRead32 ( If 32-bit MMIO register operations are not supported, then ASSERT().
If Address is not aligned on a 32-bit boundary, then ASSERT().
+ For Td guest TDVMCALL_MMIO is invoked to write MMIO registers.
+
@param Address The MMIO register to write.
@param Value The value to write to the MMIO register.
@@ -275,7 +318,13 @@ MmioWrite32 ( Flag = FilterBeforeMmIoWrite (FilterWidth32, Address, &Value);
if (Flag) {
MemoryFence ();
- *(volatile UINT32 *)Address = Value;
+
+ if (IsTdxGuest ()) {
+ TdMmioWrite32 (Address, Value);
+ } else {
+ *(volatile UINT32 *)Address = Value;
+ }
+
MemoryFence ();
}
@@ -294,6 +343,8 @@ MmioWrite32 ( If 64-bit MMIO register operations are not supported, then ASSERT().
If Address is not aligned on a 64-bit boundary, then ASSERT().
+ For Td guest TDVMCALL_MMIO is invoked to read MMIO registers.
+
@param Address The MMIO register to read.
@return The value read.
@@ -313,7 +364,13 @@ MmioRead64 ( Flag = FilterBeforeMmIoRead (FilterWidth64, Address, &Value);
if (Flag) {
MemoryFence ();
- Value = *(volatile UINT64 *)Address;
+
+ if (IsTdxGuest ()) {
+ Value = TdMmioRead64 (Address);
+ } else {
+ Value = *(volatile UINT64 *)Address;
+ }
+
MemoryFence ();
}
@@ -332,6 +389,8 @@ MmioRead64 ( If 64-bit MMIO register operations are not supported, then ASSERT().
If Address is not aligned on a 64-bit boundary, then ASSERT().
+ For Td guest TDVMCALL_MMIO is invoked to write MMIO registers.
+
@param Address The MMIO register to write.
@param Value The value to write to the MMIO register.
@@ -350,7 +409,13 @@ MmioWrite64 ( Flag = FilterBeforeMmIoWrite (FilterWidth64, Address, &Value);
if (Flag) {
MemoryFence ();
- *(volatile UINT64 *)Address = Value;
+
+ if (IsTdxGuest ()) {
+ TdMmioWrite64 (Address, Value);
+ } else {
+ *(volatile UINT64 *)Address = Value;
+ }
+
MemoryFence ();
}
|