ArmPlatformPkg/ArmVExpressLib: Move Secure code into a separate file

The code specific to the secure intialization has been moved into a
separate file that is not linked with the Normal world version of the
library.



git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11810 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
oliviermartin 2011-06-11 12:12:49 +00:00
parent 6aaa8d7d9b
commit bf276b45b8
5 changed files with 128 additions and 93 deletions

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@ -34,6 +34,8 @@
[Sources.common]
ArmRealViewEb.c
ArmRealViewEbMem.c
ArmRealViewEbHelper.asm | RVCT
ArmRealViewEbHelper.S | GCC
[Protocols]

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@ -31,9 +31,11 @@
ArmLib
ArmTrustZoneLib
MemoryAllocationLib
PL354SmcLib
PL341DmcLib
PL301AxiLib
L2X0CacheLib
SerialPortLib
[Sources.common]
CTA9x4.c

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@ -27,15 +27,18 @@
ArmPlatformPkg/ArmPlatformPkg.dec
[LibraryClasses]
IoLib
ArmLib
ArmTrustZoneLib
PL354SmcLib
PL341DmcLib
PL301AxiLib
ArmPlatformSysConfigLib
IoLib
L2X0CacheLib
PL301AxiLib
PL341DmcLib
PL354SmcLib
SerialPortLib
[Sources.common]
CTA9x4Sec.c
CTA9x4.c
CTA9x4Helper.asm | RVCT
CTA9x4Helper.S | GCC

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@ -21,7 +21,6 @@
#include <Drivers/PL341Dmc.h>
#include <Drivers/PL301Axi.h>
#include <Drivers/PL310L2Cache.h>
#include <Drivers/SP804Timer.h>
#define SerialPrint(txt) SerialPortWrite (txt, AsciiStrLen(txt)+1);
@ -80,76 +79,6 @@ ArmPlatformTrustzoneSupported (
return (MmioRead32(ARM_VE_SYS_CFGRW1_REG) & ARM_VE_CFGRW1_TZASC_EN_BIT_MASK);
}
/**
Initialize the Secure peripherals and memory regions
If Trustzone is supported by your platform then this function makes the required initialization
of the secure peripherals and memory regions.
**/
VOID ArmPlatformTrustzoneInit(VOID) {
//
// Setup TZ Protection Controller
//
// Set Non Secure access for all devices
TZPCSetDecProtBits(ARM_VE_TZPC_BASE, TZPC_DECPROT_0, 0xFFFFFFFF);
TZPCSetDecProtBits(ARM_VE_TZPC_BASE, TZPC_DECPROT_1, 0xFFFFFFFF);
TZPCSetDecProtBits(ARM_VE_TZPC_BASE, TZPC_DECPROT_2, 0xFFFFFFFF);
// Remove Non secure access to secure devices
TZPCClearDecProtBits(ARM_VE_TZPC_BASE, TZPC_DECPROT_0,
ARM_VE_DECPROT_BIT_TZPC | ARM_VE_DECPROT_BIT_DMC_TZASC | ARM_VE_DECPROT_BIT_NMC_TZASC | ARM_VE_DECPROT_BIT_SMC_TZASC);
TZPCClearDecProtBits(ARM_VE_TZPC_BASE, TZPC_DECPROT_2,
ARM_VE_DECPROT_BIT_EXT_MAST_TZ | ARM_VE_DECPROT_BIT_DMC_TZASC_LOCK | ARM_VE_DECPROT_BIT_NMC_TZASC_LOCK | ARM_VE_DECPROT_BIT_SMC_TZASC_LOCK);
//
// Setup TZ Address Space Controller for the SMC. Create 5 Non Secure regions (NOR0, NOR1, SRAM, SMC Peripheral regions)
//
// NOR Flash 0 non secure (BootMon)
TZASCSetRegion(ARM_VE_TZASC_BASE,1,TZASC_REGION_ENABLED,
ARM_VE_SMB_NOR0_BASE,0,
TZASC_REGION_SIZE_64MB, TZASC_REGION_SECURITY_NSRW);
// NOR Flash 1. The first half of the NOR Flash1 must be secure for the secure firmware (sec_uefi.bin)
#if EDK2_ARMVE_SECURE_SYSTEM
//Note: Your OS Kernel must be aware of the secure regions before to enable this region
TZASCSetRegion(ARM_VE_TZASC_BASE,2,TZASC_REGION_ENABLED,
ARM_VE_SMB_NOR1_BASE + SIZE_32MB,0,
TZASC_REGION_SIZE_32MB, TZASC_REGION_SECURITY_NSRW);
#else
TZASCSetRegion(ARM_VE_TZASC_BASE,2,TZASC_REGION_ENABLED,
ARM_VE_SMB_NOR1_BASE,0,
TZASC_REGION_SIZE_64MB, TZASC_REGION_SECURITY_NSRW);
#endif
// Base of SRAM. Only half of SRAM in Non Secure world
// First half non secure (16MB) + Second Half secure (16MB) = 32MB of SRAM
#if EDK2_ARMVE_SECURE_SYSTEM
//Note: Your OS Kernel must be aware of the secure regions before to enable this region
TZASCSetRegion(ARM_VE_TZASC_BASE,3,TZASC_REGION_ENABLED,
ARM_VE_SMB_SRAM_BASE,0,
TZASC_REGION_SIZE_16MB, TZASC_REGION_SECURITY_NSRW);
#else
TZASCSetRegion(ARM_VE_TZASC_BASE,3,TZASC_REGION_ENABLED,
ARM_VE_SMB_SRAM_BASE,0,
TZASC_REGION_SIZE_32MB, TZASC_REGION_SECURITY_NSRW);
#endif
// Memory Mapped Peripherals. All in non secure world
TZASCSetRegion(ARM_VE_TZASC_BASE,4,TZASC_REGION_ENABLED,
ARM_VE_SMB_PERIPH_BASE,0,
TZASC_REGION_SIZE_64MB, TZASC_REGION_SECURITY_NSRW);
// MotherBoard Peripherals and On-chip peripherals.
TZASCSetRegion(ARM_VE_TZASC_BASE,5,TZASC_REGION_ENABLED,
ARM_VE_SMB_MB_ON_CHIP_PERIPH_BASE,0,
TZASC_REGION_SIZE_256MB, TZASC_REGION_SECURITY_NSRW);
}
/**
Return the current Boot Mode
@ -187,24 +116,6 @@ ArmPlatformBootRemapping (
// Remap the DRAM to 0x0
MmioWrite32(ARM_VE_SYS_CFGRW1_REG, (Value & 0x0FFFFFFF) | ARM_VE_CFGRW1_REMAP_DRAM);
}
/**
Initialize controllers that must setup at the early stage
Some peripherals must be initialized in Secure World.
For example, some L2x0 requires to be initialized in Secure World
**/
VOID
ArmPlatformSecInitialize (
VOID
) {
// The L2x0 controller must be intialize in Secure World
L2x0CacheInit(PcdGet32(PcdL2x0ControllerBase),
PL310_TAG_LATENCIES(L2x0_LATENCY_8_CYCLES,L2x0_LATENCY_8_CYCLES,L2x0_LATENCY_8_CYCLES),
PL310_DATA_LATENCIES(L2x0_LATENCY_8_CYCLES,L2x0_LATENCY_8_CYCLES,L2x0_LATENCY_8_CYCLES),
0,~0, // Use default setting for the Auxiliary Control Register
FALSE);
}
/**

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@ -0,0 +1,117 @@
/** @file
*
* Copyright (c) 2011, ARM Limited. All rights reserved.
*
* This program and the accompanying materials
* are licensed and made available under the terms and conditions of the BSD License
* which accompanies this distribution. The full text of the license may be found at
* http://opensource.org/licenses/bsd-license.php
*
* THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
* WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
*
**/
#include <Library/ArmPlatformLib.h>
#include <Library/ArmTrustZoneLib.h>
#include <Library/ArmPlatformSysConfigLib.h>
#include <Library/DebugLib.h>
#include <Library/IoLib.h>
#include <Library/PcdLib.h>
#include <Drivers/PL310L2Cache.h>
/**
Initialize the Secure peripherals and memory regions
If Trustzone is supported by your platform then this function makes the required initialization
of the secure peripherals and memory regions.
**/
VOID
ArmPlatformTrustzoneInit (
VOID
)
{
//
// Setup TZ Protection Controller
//
// Set Non Secure access for all devices
TZPCSetDecProtBits(ARM_VE_TZPC_BASE, TZPC_DECPROT_0, 0xFFFFFFFF);
TZPCSetDecProtBits(ARM_VE_TZPC_BASE, TZPC_DECPROT_1, 0xFFFFFFFF);
TZPCSetDecProtBits(ARM_VE_TZPC_BASE, TZPC_DECPROT_2, 0xFFFFFFFF);
// Remove Non secure access to secure devices
TZPCClearDecProtBits(ARM_VE_TZPC_BASE, TZPC_DECPROT_0,
ARM_VE_DECPROT_BIT_TZPC | ARM_VE_DECPROT_BIT_DMC_TZASC | ARM_VE_DECPROT_BIT_NMC_TZASC | ARM_VE_DECPROT_BIT_SMC_TZASC);
TZPCClearDecProtBits(ARM_VE_TZPC_BASE, TZPC_DECPROT_2,
ARM_VE_DECPROT_BIT_EXT_MAST_TZ | ARM_VE_DECPROT_BIT_DMC_TZASC_LOCK | ARM_VE_DECPROT_BIT_NMC_TZASC_LOCK | ARM_VE_DECPROT_BIT_SMC_TZASC_LOCK);
//
// Setup TZ Address Space Controller for the SMC. Create 5 Non Secure regions (NOR0, NOR1, SRAM, SMC Peripheral regions)
//
// NOR Flash 0 non secure (BootMon)
TZASCSetRegion(ARM_VE_TZASC_BASE,1,TZASC_REGION_ENABLED,
ARM_VE_SMB_NOR0_BASE,0,
TZASC_REGION_SIZE_64MB, TZASC_REGION_SECURITY_NSRW);
// NOR Flash 1. The first half of the NOR Flash1 must be secure for the secure firmware (sec_uefi.bin)
#if EDK2_ARMVE_SECURE_SYSTEM
//Note: Your OS Kernel must be aware of the secure regions before to enable this region
TZASCSetRegion(ARM_VE_TZASC_BASE,2,TZASC_REGION_ENABLED,
ARM_VE_SMB_NOR1_BASE + SIZE_32MB,0,
TZASC_REGION_SIZE_32MB, TZASC_REGION_SECURITY_NSRW);
#else
TZASCSetRegion(ARM_VE_TZASC_BASE,2,TZASC_REGION_ENABLED,
ARM_VE_SMB_NOR1_BASE,0,
TZASC_REGION_SIZE_64MB, TZASC_REGION_SECURITY_NSRW);
#endif
// Base of SRAM. Only half of SRAM in Non Secure world
// First half non secure (16MB) + Second Half secure (16MB) = 32MB of SRAM
#if EDK2_ARMVE_SECURE_SYSTEM
//Note: Your OS Kernel must be aware of the secure regions before to enable this region
TZASCSetRegion(ARM_VE_TZASC_BASE,3,TZASC_REGION_ENABLED,
ARM_VE_SMB_SRAM_BASE,0,
TZASC_REGION_SIZE_16MB, TZASC_REGION_SECURITY_NSRW);
#else
TZASCSetRegion(ARM_VE_TZASC_BASE,3,TZASC_REGION_ENABLED,
ARM_VE_SMB_SRAM_BASE,0,
TZASC_REGION_SIZE_32MB, TZASC_REGION_SECURITY_NSRW);
#endif
// Memory Mapped Peripherals. All in non secure world
TZASCSetRegion(ARM_VE_TZASC_BASE,4,TZASC_REGION_ENABLED,
ARM_VE_SMB_PERIPH_BASE,0,
TZASC_REGION_SIZE_64MB, TZASC_REGION_SECURITY_NSRW);
// MotherBoard Peripherals and On-chip peripherals.
TZASCSetRegion(ARM_VE_TZASC_BASE,5,TZASC_REGION_ENABLED,
ARM_VE_SMB_MB_ON_CHIP_PERIPH_BASE,0,
TZASC_REGION_SIZE_256MB, TZASC_REGION_SECURITY_NSRW);
}
/**
Initialize controllers that must setup at the early stage
Some peripherals must be initialized in Secure World.
For example, some L2x0 requires to be initialized in Secure World
**/
VOID
ArmPlatformSecInitialize (
VOID
) {
// The L2x0 controller must be intialize in Secure World
L2x0CacheInit(PcdGet32(PcdL2x0ControllerBase),
PL310_TAG_LATENCIES(L2x0_LATENCY_8_CYCLES,L2x0_LATENCY_8_CYCLES,L2x0_LATENCY_8_CYCLES),
PL310_DATA_LATENCIES(L2x0_LATENCY_8_CYCLES,L2x0_LATENCY_8_CYCLES,L2x0_LATENCY_8_CYCLES),
0,~0, // Use default setting for the Auxiliary Control Register
FALSE);
// Initialize the System Configuration
ArmPlatformSysConfigInitialize ();
}