diff options
Diffstat (limited to 'UefiCpuPkg')
| -rw-r--r-- | UefiCpuPkg/CpuDxe/CpuMp.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/UefiCpuPkg/CpuDxe/CpuMp.c b/UefiCpuPkg/CpuDxe/CpuMp.c index bfd0d8d853..a87d67f180 100644 --- a/UefiCpuPkg/CpuDxe/CpuMp.c +++ b/UefiCpuPkg/CpuDxe/CpuMp.c @@ -25,6 +25,28 @@ VOID *mApStackStart = 0; volatile UINTN mNumberOfProcessors;
/**
+ Application Processors do loop routine
+ after switch to its own stack.
+
+ @param Context1 A pointer to the context to pass into the function.
+ @param Context2 A pointer to the context to pass into the function.
+
+**/
+VOID
+ProcessorToIdleState (
+ IN VOID *Context1, OPTIONAL
+ IN VOID *Context2 OPTIONAL
+ )
+{
+ DEBUG ((DEBUG_INFO, "Ap apicid is %d\n", GetApicId ()));
+
+ AsmApDoneWithCommonStack ();
+
+ CpuSleep ();
+ CpuDeadLoop ();
+}
+
+/**
Application Processor C code entry point.
**/
@@ -35,6 +57,13 @@ ApEntryPointInC ( )
{
mNumberOfProcessors++;
+ mApStackStart = (UINT8*)mApStackStart + gApStackSize;
+
+ SwitchStack (
+ (SWITCH_STACK_ENTRY_POINT)(UINTN)ProcessorToIdleState,
+ NULL,
+ NULL,
+ mApStackStart);
}
|