diff options
Diffstat (limited to 'ArmPlatformPkg/Sec')
-rw-r--r-- | ArmPlatformPkg/Sec/Sec.c | 20 | ||||
-rw-r--r-- | ArmPlatformPkg/Sec/Sec.inf | 3 | ||||
-rw-r--r-- | ArmPlatformPkg/Sec/SecEntryPoint.S | 8 | ||||
-rw-r--r-- | ArmPlatformPkg/Sec/SecEntryPoint.asm | 11 |
4 files changed, 25 insertions, 17 deletions
diff --git a/ArmPlatformPkg/Sec/Sec.c b/ArmPlatformPkg/Sec/Sec.c index 5610168df1..6f4738fd4d 100644 --- a/ArmPlatformPkg/Sec/Sec.c +++ b/ArmPlatformPkg/Sec/Sec.c @@ -26,8 +26,6 @@ #include <Chipset/ArmV7.h> #include <Library/ArmGicLib.h> -#define ARM_PRIMARY_CORE 0 - #define SerialPrint(txt) SerialPortWrite ((UINT8*)txt, AsciiStrLen(txt)+1); extern VOID *monitor_vector_table; @@ -66,7 +64,7 @@ copy_cpsr_into_spsr ( VOID CEntryPoint ( - IN UINTN CoreId + IN UINTN MpId ) { CHAR8 Buffer[100]; @@ -74,7 +72,7 @@ CEntryPoint ( UINTN JumpAddress; // Primary CPU clears out the SCU tag RAMs, secondaries wait - if (CoreId == ARM_PRIMARY_CORE) { + if (IS_PRIMARY_CORE(MpId)) { if (FixedPcdGet32(PcdMPCoreSupport)) { ArmInvalidScu(); } @@ -118,7 +116,7 @@ CEntryPoint ( ArmEnableVFP(); } - if (CoreId == ARM_PRIMARY_CORE) { + if (IS_PRIMARY_CORE(MpId)) { // Initialize peripherals that must be done at the early stage // Example: Some L2x0 controllers must be initialized in Secure World ArmPlatformSecInitialize (); @@ -138,18 +136,18 @@ CEntryPoint ( if (ArmPlatformTrustzoneSupported()) { if (FixedPcdGet32(PcdMPCoreSupport)) { // Setup SMP in Non Secure world - ArmSetupSmpNonSecure (CoreId); + ArmSetupSmpNonSecure (GET_CORE_ID(MpId)); } // Enter Monitor Mode - enter_monitor_mode((VOID*)(PcdGet32(PcdCPUCoresSecMonStackBase) + (PcdGet32(PcdCPUCoreSecMonStackSize) * CoreId))); + enter_monitor_mode ((VOID*)(PcdGet32(PcdCPUCoresSecMonStackBase) + (PcdGet32(PcdCPUCoreSecMonStackSize) * GET_CORE_POS(MpId)))); //Write the monitor mode vector table address ArmWriteVMBar((UINT32) &monitor_vector_table); //-------------------- Monitor Mode --------------------- // Setup the Trustzone Chipsets - if (CoreId == ARM_PRIMARY_CORE) { + if (IS_PRIMARY_CORE(MpId)) { ArmPlatformTrustzoneInit(); // Wake up the secondary cores by sending a interrupt to everyone else @@ -193,12 +191,12 @@ CEntryPoint ( // security state (SCR_AW), CPSR.F modified in any security state (SCR_FW) ArmWriteScr(SCR_NS | SCR_FW | SCR_AW); } else { - if (CoreId == ARM_PRIMARY_CORE) { + if (IS_PRIMARY_CORE(MpId)) { SerialPrint ("Trust Zone Configuration is disabled\n\r"); } // Trustzone is not enabled, just enable the Distributor and CPU interface - if (CoreId == ARM_PRIMARY_CORE) { + if (IS_PRIMARY_CORE(MpId)) { ArmGicEnableDistributor (PcdGet32(PcdGicDistributorBase)); } ArmGicEnableInterruptInterface (PcdGet32(PcdGicInterruptInterfaceBase)); @@ -210,7 +208,7 @@ CEntryPoint ( } JumpAddress = PcdGet32 (PcdNormalFvBaseAddress); - ArmPlatformSecExtraAction (CoreId, &JumpAddress); + ArmPlatformSecExtraAction (MpId, &JumpAddress); return_from_exception (JumpAddress); //-------------------- Non Secure Mode --------------------- diff --git a/ArmPlatformPkg/Sec/Sec.inf b/ArmPlatformPkg/Sec/Sec.inf index bffa9b6795..7b116c7fd9 100644 --- a/ArmPlatformPkg/Sec/Sec.inf +++ b/ArmPlatformPkg/Sec/Sec.inf @@ -53,6 +53,9 @@ gArmTokenSpaceGuid.PcdVFPEnabled gArmPlatformTokenSpaceGuid.PcdMPCoreSupport + gArmTokenSpaceGuid.PcdArmPrimaryCoreMask + gArmTokenSpaceGuid.PcdArmPrimaryCore + gArmTokenSpaceGuid.PcdNormalFvBaseAddress gArmPlatformTokenSpaceGuid.PcdCPUCoresSecStackBase diff --git a/ArmPlatformPkg/Sec/SecEntryPoint.S b/ArmPlatformPkg/Sec/SecEntryPoint.S index 8e5ea31f66..909f7fafbc 100644 --- a/ArmPlatformPkg/Sec/SecEntryPoint.S +++ b/ArmPlatformPkg/Sec/SecEntryPoint.S @@ -35,6 +35,7 @@ GCC_ASM_IMPORT(ArmPlatformInitializeBootMemory) GCC_ASM_IMPORT(ArmDisableInterrupts)
GCC_ASM_IMPORT(ArmDisableCachesAndMmu)
GCC_ASM_IMPORT(ArmWriteVBar)
+GCC_ASM_IMPORT(ArmReadMpidr)
GCC_ASM_IMPORT(SecVectorTable)
#if (FixedPcdGet32(PcdMPCoreSupport))
@@ -58,10 +59,13 @@ ASM_PFX(_ModuleEntryPoint): _IdentifyCpu:
# Identify CPU ID
bl ASM_PFX(ArmReadMpidr)
- and r5, r0, #0xf
+ // Get ID of this CPU in Multicore system
+ LoadConstantToReg (FixedPcdGet32(PcdArmPrimaryCoreMask), r1)
+ and r5, r0, r1
#get ID of this CPU in Multicore system
- cmp r5, #0
+ LoadConstantToReg (FixedPcdGet32(PcdArmPrimaryCore), r1)
+ cmp r5, r1
# Only the primary core initialize the memory (SMC)
beq _InitMem
diff --git a/ArmPlatformPkg/Sec/SecEntryPoint.asm b/ArmPlatformPkg/Sec/SecEntryPoint.asm index 794a8c02d1..b291e5062f 100644 --- a/ArmPlatformPkg/Sec/SecEntryPoint.asm +++ b/ArmPlatformPkg/Sec/SecEntryPoint.asm @@ -52,10 +52,13 @@ _ModuleEntryPoint _IdentifyCpu // Identify CPU ID bl ArmReadMpidr - and r5, r0, #0xf + // Get ID of this CPU in Multicore system + LoadConstantToReg (FixedPcdGet32(PcdArmPrimaryCoreMask), r1) + and r5, r0, r1 - //get ID of this CPU in Multicore system - cmp r5, #0 + // Is it the Primary Core ? + LoadConstantToReg (FixedPcdGet32(PcdArmPrimaryCore), r1) + cmp r5, r1 // Only the primary core initialize the memory (SMC) beq _InitMem @@ -97,7 +100,7 @@ _SetupStack ldr r3, StartupAddr // Jump to SEC C code - // r0 = core_id + // r0 = mp_id mov r0, r5 blx r3 |