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ArmPlatformPkg/Sec: Added support for Non Cold Boot Paths

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For instance, in case of CpuHotPlug boot path the platform has already been
initialized. The CPU core should not execute any of the platform initialization
in this case.

Signed-off-by: Olivier Martin <olivier.martin@arm.com>



git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13492 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
oliviermartin
2012-07-04 20:08:54 +00:00
parent 77734e3d69
commit a75568e9c9
7 changed files with 58 additions and 22 deletions
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10
ArmPlatformPkg/Sec/Sec.c
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@@ -26,7 +26,8 @@
VOID
CEntryPoint (
IN UINTN MpId
IN UINTN MpId,
IN UINTN SecBootMode
)
{
CHAR8 Buffer[100];
@@ -109,7 +110,7 @@ CEntryPoint (
((PcdGet32(PcdCPUCoresSecMonStackBase) != 0) && (PcdGet32(PcdCPUCoreSecMonStackSize) != 0)));
// Enter Monitor Mode
enter_monitor_mode ((UINTN)TrustedWorldInitialization, MpId, (VOID*)(PcdGet32(PcdCPUCoresSecMonStackBase) + (PcdGet32(PcdCPUCoreSecMonStackSize) * (GET_CORE_POS(MpId) + 1))));
enter_monitor_mode ((UINTN)TrustedWorldInitialization, MpId, SecBootMode, (VOID*)(PcdGet32(PcdCPUCoresSecMonStackBase) + (PcdGet32(PcdCPUCoreSecMonStackSize) * (GET_CORE_POS(MpId) + 1))));
} else {
if (IS_PRIMARY_CORE(MpId)) {
SerialPrint ("Trust Zone Configuration is disabled\n\r");
@@ -131,7 +132,8 @@ CEntryPoint (
VOID
TrustedWorldInitialization (
IN UINTN MpId
IN UINTN MpId,
IN UINTN SecBootMode
)
{
UINTN JumpAddress;
@@ -153,7 +155,7 @@ TrustedWorldInitialization (
// Signal the secondary core the Security settings is done (event: EVENT_SECURE_INIT)
ArmCallSEV ();
}
} else {
} else if ((SecBootMode & ARM_SEC_BOOT_MASK) == ARM_SEC_COLD_BOOT) {
// The secondary cores need to wait until the Trustzone chipsets configuration is done
// before switching to Non Secure World