diff options
| -rw-r--r-- | OvmfPkg/CpuHotplugSmm/QemuCpuhp.c | 22 | ||||
| -rw-r--r-- | OvmfPkg/CpuHotplugSmm/QemuCpuhp.h | 6 |
2 files changed, 28 insertions, 0 deletions
diff --git a/OvmfPkg/CpuHotplugSmm/QemuCpuhp.c b/OvmfPkg/CpuHotplugSmm/QemuCpuhp.c index 8434dd446b..dc86ab9677 100644 --- a/OvmfPkg/CpuHotplugSmm/QemuCpuhp.c +++ b/OvmfPkg/CpuHotplugSmm/QemuCpuhp.c @@ -114,6 +114,28 @@ QemuCpuhpWriteCpuSelector ( }
VOID
+QemuCpuhpWriteCpuStatus (
+ IN CONST EFI_MM_CPU_IO_PROTOCOL *MmCpuIo,
+ IN UINT8 CpuStatus
+ )
+{
+ EFI_STATUS Status;
+
+ Status = MmCpuIo->Io.Write (
+ MmCpuIo,
+ MM_IO_UINT8,
+ ICH9_CPU_HOTPLUG_BASE + QEMU_CPUHP_R_CPU_STAT,
+ 1,
+ &CpuStatus
+ );
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_ERROR, "%a: %r\n", __FUNCTION__, Status));
+ ASSERT (FALSE);
+ CpuDeadLoop ();
+ }
+}
+
+VOID
QemuCpuhpWriteCommand (
IN CONST EFI_MM_CPU_IO_PROTOCOL *MmCpuIo,
IN UINT8 Command
diff --git a/OvmfPkg/CpuHotplugSmm/QemuCpuhp.h b/OvmfPkg/CpuHotplugSmm/QemuCpuhp.h index 3e2c2192e1..8bb3c66e9b 100644 --- a/OvmfPkg/CpuHotplugSmm/QemuCpuhp.h +++ b/OvmfPkg/CpuHotplugSmm/QemuCpuhp.h @@ -42,6 +42,12 @@ QemuCpuhpWriteCpuSelector ( );
VOID
+QemuCpuhpWriteCpuStatus (
+ IN CONST EFI_MM_CPU_IO_PROTOCOL *MmCpuIo,
+ IN UINT8 CpuStatus
+ );
+
+VOID
QemuCpuhpWriteCommand (
IN CONST EFI_MM_CPU_IO_PROTOCOL *MmCpuIo,
IN UINT8 Command
|