ARM Packages: Fixed th 'NS' (Non Secure) bit in the MMU page Table Descriptor

The 'NS' bit must only be set in Secure world to define the Non-Secure region
of the Non-Secure World.
This bit must not be set in Non-Secure World.

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


git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13252 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
oliviermartin
2012-05-02 20:00:54 +00:00
parent 96a8bc1150
commit 7fffeef9be
10 changed files with 97 additions and 99 deletions

View File

@@ -1,6 +1,7 @@
/** @file
Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
Copyright (c) 2011-2012, 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
@@ -38,8 +39,7 @@
#define TT_DESCRIPTOR_SECTION_SIZE (0x00100000)
#define TT_DESCRIPTOR_SECTION_NS_MASK (1UL << 19)
#define TT_DESCRIPTOR_SECTION_NS_SECURE (0UL << 19)
#define TT_DESCRIPTOR_SECTION_NS_NON_SECURE (1UL << 19)
#define TT_DESCRIPTOR_SECTION_NS (1UL << 19)
#define TT_DESCRIPTOR_SECTION_NG_MASK (1UL << 17)
#define TT_DESCRIPTOR_SECTION_NG_GLOBAL (0UL << 17)
@@ -86,27 +86,27 @@
#define TT_DESCRIPTOR_SECTION_BASE_ADDRESS_MASK (0xFFF00000)
#define TT_DESCRIPTOR_SECTION_BASE_ADDRESS(a) (a & TT_DESCRIPTOR_SECTION_BASE_ADDRESS_MASK)
#define TT_DESCRIPTOR_SECTION_WRITE_BACK(Secure) (TT_DESCRIPTOR_TYPE_SECTION | \
(Secure ? TT_DESCRIPTOR_SECTION_NS_SECURE : TT_DESCRIPTOR_SECTION_NS_NON_SECURE ) | \
TT_DESCRIPTOR_SECTION_NG_GLOBAL | \
TT_DESCRIPTOR_SECTION_S_NOT_SHARED | \
TT_DESCRIPTOR_SECTION_DOMAIN(0) | \
TT_DESCRIPTOR_SECTION_AP_RW_RW | \
TT_DESCRIPTOR_SECTION_CACHE_POLICY_WRITE_BACK_ALLOC)
#define TT_DESCRIPTOR_SECTION_WRITE_THROUGH(Secure) (TT_DESCRIPTOR_TYPE_SECTION | \
(Secure ? TT_DESCRIPTOR_SECTION_NS_SECURE : TT_DESCRIPTOR_SECTION_NS_NON_SECURE ) | \
TT_DESCRIPTOR_SECTION_NG_GLOBAL | \
TT_DESCRIPTOR_SECTION_S_NOT_SHARED | \
TT_DESCRIPTOR_SECTION_DOMAIN(0) | \
TT_DESCRIPTOR_SECTION_AP_RW_RW | \
TT_DESCRIPTOR_SECTION_CACHE_POLICY_WRITE_THROUGH_NO_ALLOC)
#define TT_DESCRIPTOR_SECTION_UNCACHED(Secure) (TT_DESCRIPTOR_TYPE_SECTION | \
(Secure ? TT_DESCRIPTOR_SECTION_NS_SECURE : TT_DESCRIPTOR_SECTION_NS_NON_SECURE ) | \
TT_DESCRIPTOR_SECTION_NG_GLOBAL | \
TT_DESCRIPTOR_SECTION_S_NOT_SHARED | \
TT_DESCRIPTOR_SECTION_DOMAIN(0) | \
TT_DESCRIPTOR_SECTION_AP_RW_RW | \
TT_DESCRIPTOR_SECTION_CACHE_POLICY_NON_CACHEABLE)
#define TT_DESCRIPTOR_SECTION_WRITE_BACK(NonSecure) (TT_DESCRIPTOR_TYPE_SECTION | \
(NonSecure ? TT_DESCRIPTOR_SECTION_NS : 0) | \
TT_DESCRIPTOR_SECTION_NG_GLOBAL | \
TT_DESCRIPTOR_SECTION_S_NOT_SHARED | \
TT_DESCRIPTOR_SECTION_DOMAIN(0) | \
TT_DESCRIPTOR_SECTION_AP_RW_RW | \
TT_DESCRIPTOR_SECTION_CACHE_POLICY_WRITE_BACK_ALLOC)
#define TT_DESCRIPTOR_SECTION_WRITE_THROUGH(NonSecure) (TT_DESCRIPTOR_TYPE_SECTION | \
(NonSecure ? TT_DESCRIPTOR_SECTION_NS : 0) | \
TT_DESCRIPTOR_SECTION_NG_GLOBAL | \
TT_DESCRIPTOR_SECTION_S_NOT_SHARED | \
TT_DESCRIPTOR_SECTION_DOMAIN(0) | \
TT_DESCRIPTOR_SECTION_AP_RW_RW | \
TT_DESCRIPTOR_SECTION_CACHE_POLICY_WRITE_THROUGH_NO_ALLOC)
#define TT_DESCRIPTOR_SECTION_UNCACHED(NonSecure) (TT_DESCRIPTOR_TYPE_SECTION | \
(NonSecure ? TT_DESCRIPTOR_SECTION_NS : 0) | \
TT_DESCRIPTOR_SECTION_NG_GLOBAL | \
TT_DESCRIPTOR_SECTION_S_NOT_SHARED | \
TT_DESCRIPTOR_SECTION_DOMAIN(0) | \
TT_DESCRIPTOR_SECTION_AP_RW_RW | \
TT_DESCRIPTOR_SECTION_CACHE_POLICY_NON_CACHEABLE)
#define CPACR_CP_FULL_ACCESS 0x0FFFFFFF

View File

@@ -1,6 +1,6 @@
/** @file
*
* Copyright (c) 2011, ARM Limited. All rights reserved.
* Copyright (c) 2011-2012, 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
@@ -66,8 +66,7 @@
#define TT_DESCRIPTOR_SECTION_SIZE (0x00100000)
#define TT_DESCRIPTOR_SECTION_NS_MASK (1UL << 19)
#define TT_DESCRIPTOR_SECTION_NS_SECURE (0UL << 19)
#define TT_DESCRIPTOR_SECTION_NS_NON_SECURE (1UL << 19)
#define TT_DESCRIPTOR_SECTION_NS (1UL << 19)
#define TT_DESCRIPTOR_SECTION_NG_MASK (1UL << 17)
#define TT_DESCRIPTOR_SECTION_NG_GLOBAL (0UL << 17)
@@ -166,34 +165,34 @@
#define TT_DESCRIPTOR_PAGE_BASE_ADDRESS(a) ((a) & TT_DESCRIPTOR_PAGE_BASE_ADDRESS_MASK)
#define TT_DESCRIPTOR_PAGE_BASE_SHIFT 12
#define TT_DESCRIPTOR_SECTION_WRITE_BACK(Secure) (TT_DESCRIPTOR_SECTION_TYPE_SECTION | \
((Secure) ? TT_DESCRIPTOR_SECTION_NS_SECURE : TT_DESCRIPTOR_SECTION_NS_NON_SECURE ) | \
TT_DESCRIPTOR_SECTION_NG_GLOBAL | \
TT_DESCRIPTOR_SECTION_S_NOT_SHARED | \
TT_DESCRIPTOR_SECTION_DOMAIN(0) | \
TT_DESCRIPTOR_SECTION_AP_RW_RW | \
TT_DESCRIPTOR_SECTION_CACHE_POLICY_WRITE_BACK_ALLOC)
#define TT_DESCRIPTOR_SECTION_WRITE_THROUGH(Secure) (TT_DESCRIPTOR_SECTION_TYPE_SECTION | \
((Secure) ? TT_DESCRIPTOR_SECTION_NS_SECURE : TT_DESCRIPTOR_SECTION_NS_NON_SECURE ) | \
TT_DESCRIPTOR_SECTION_NG_GLOBAL | \
TT_DESCRIPTOR_SECTION_S_NOT_SHARED | \
TT_DESCRIPTOR_SECTION_DOMAIN(0) | \
TT_DESCRIPTOR_SECTION_AP_RW_RW | \
TT_DESCRIPTOR_SECTION_CACHE_POLICY_WRITE_THROUGH_NO_ALLOC)
#define TT_DESCRIPTOR_SECTION_DEVICE(Secure) (TT_DESCRIPTOR_SECTION_TYPE_SECTION | \
((Secure) ? TT_DESCRIPTOR_SECTION_NS_SECURE : TT_DESCRIPTOR_SECTION_NS_NON_SECURE ) | \
TT_DESCRIPTOR_SECTION_NG_GLOBAL | \
TT_DESCRIPTOR_SECTION_S_NOT_SHARED | \
TT_DESCRIPTOR_SECTION_DOMAIN(0) | \
TT_DESCRIPTOR_SECTION_AP_RW_RW | \
TT_DESCRIPTOR_SECTION_CACHE_POLICY_SHAREABLE_DEVICE)
#define TT_DESCRIPTOR_SECTION_UNCACHED(Secure) (TT_DESCRIPTOR_SECTION_TYPE_SECTION | \
((Secure) ? TT_DESCRIPTOR_SECTION_NS_SECURE : TT_DESCRIPTOR_SECTION_NS_NON_SECURE ) | \
TT_DESCRIPTOR_SECTION_NG_GLOBAL | \
TT_DESCRIPTOR_SECTION_S_NOT_SHARED | \
TT_DESCRIPTOR_SECTION_DOMAIN(0) | \
TT_DESCRIPTOR_SECTION_AP_RW_RW | \
TT_DESCRIPTOR_SECTION_CACHE_POLICY_NON_CACHEABLE)
#define TT_DESCRIPTOR_SECTION_WRITE_BACK(NonSecure) (TT_DESCRIPTOR_SECTION_TYPE_SECTION | \
((NonSecure) ? TT_DESCRIPTOR_SECTION_NS : 0) | \
TT_DESCRIPTOR_SECTION_NG_GLOBAL | \
TT_DESCRIPTOR_SECTION_S_NOT_SHARED | \
TT_DESCRIPTOR_SECTION_DOMAIN(0) | \
TT_DESCRIPTOR_SECTION_AP_RW_RW | \
TT_DESCRIPTOR_SECTION_CACHE_POLICY_WRITE_BACK_ALLOC)
#define TT_DESCRIPTOR_SECTION_WRITE_THROUGH(NonSecure) (TT_DESCRIPTOR_SECTION_TYPE_SECTION | \
((NonSecure) ? TT_DESCRIPTOR_SECTION_NS : 0) | \
TT_DESCRIPTOR_SECTION_NG_GLOBAL | \
TT_DESCRIPTOR_SECTION_S_NOT_SHARED | \
TT_DESCRIPTOR_SECTION_DOMAIN(0) | \
TT_DESCRIPTOR_SECTION_AP_RW_RW | \
TT_DESCRIPTOR_SECTION_CACHE_POLICY_WRITE_THROUGH_NO_ALLOC)
#define TT_DESCRIPTOR_SECTION_DEVICE(NonSecure) (TT_DESCRIPTOR_SECTION_TYPE_SECTION | \
((NonSecure) ? TT_DESCRIPTOR_SECTION_NS : 0) | \
TT_DESCRIPTOR_SECTION_NG_GLOBAL | \
TT_DESCRIPTOR_SECTION_S_NOT_SHARED | \
TT_DESCRIPTOR_SECTION_DOMAIN(0) | \
TT_DESCRIPTOR_SECTION_AP_RW_RW | \
TT_DESCRIPTOR_SECTION_CACHE_POLICY_SHAREABLE_DEVICE)
#define TT_DESCRIPTOR_SECTION_UNCACHED(NonSecure) (TT_DESCRIPTOR_SECTION_TYPE_SECTION | \
((NonSecure) ? TT_DESCRIPTOR_SECTION_NS : 0) | \
TT_DESCRIPTOR_SECTION_NG_GLOBAL | \
TT_DESCRIPTOR_SECTION_S_NOT_SHARED | \
TT_DESCRIPTOR_SECTION_DOMAIN(0) | \
TT_DESCRIPTOR_SECTION_AP_RW_RW | \
TT_DESCRIPTOR_SECTION_CACHE_POLICY_NON_CACHEABLE)
#define TT_DESCRIPTOR_PAGE_WRITE_BACK (TT_DESCRIPTOR_PAGE_TYPE_PAGE | \
TT_DESCRIPTOR_PAGE_NG_GLOBAL | \

View File

@@ -1,6 +1,7 @@
/** @file
Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
Copyright (c) 2011 - 2012, ARM Ltd. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
@@ -47,15 +48,21 @@ typedef struct {
UINTN InstructionCacheLineLength;
} ARM_CACHE_INFO;
/**
* The UEFI firmware must not use the ARM_MEMORY_REGION_ATTRIBUTE_NONSECURE_* attributes.
*
* The Non Secure memory attribute (ARM_MEMORY_REGION_ATTRIBUTE_NONSECURE_*) should only
* be used in Secure World to distinguished Secure to Non-Secure memory.
*/
typedef enum {
ARM_MEMORY_REGION_ATTRIBUTE_UNCACHED_UNBUFFERED = 0,
ARM_MEMORY_REGION_ATTRIBUTE_SECURE_UNCACHED_UNBUFFERED,
ARM_MEMORY_REGION_ATTRIBUTE_NONSECURE_UNCACHED_UNBUFFERED,
ARM_MEMORY_REGION_ATTRIBUTE_WRITE_BACK,
ARM_MEMORY_REGION_ATTRIBUTE_SECURE_WRITE_BACK,
ARM_MEMORY_REGION_ATTRIBUTE_NONSECURE_WRITE_BACK,
ARM_MEMORY_REGION_ATTRIBUTE_WRITE_THROUGH,
ARM_MEMORY_REGION_ATTRIBUTE_SECURE_WRITE_THROUGH,
ARM_MEMORY_REGION_ATTRIBUTE_NONSECURE_WRITE_THROUGH,
ARM_MEMORY_REGION_ATTRIBUTE_DEVICE,
ARM_MEMORY_REGION_ATTRIBUTE_SECURE_DEVICE
ARM_MEMORY_REGION_ATTRIBUTE_NONSECURE_DEVICE
} ARM_MEMORY_REGION_ATTRIBUTES;
#define IS_ARM_MEMORY_REGION_ATTRIBUTES_SECURE(attr) ((UINT32)(attr) & 1)

View File

@@ -39,13 +39,13 @@ FillTranslationTable (
case ARM_MEMORY_REGION_ATTRIBUTE_UNCACHED_UNBUFFERED:
Attributes = TT_DESCRIPTOR_SECTION_UNCACHED(0);
break;
case ARM_MEMORY_REGION_ATTRIBUTE_SECURE_WRITE_BACK:
case ARM_MEMORY_REGION_ATTRIBUTE_NONSECURE_WRITE_BACK:
Attributes = TT_DESCRIPTOR_SECTION_WRITE_BACK(1);
break;
case ARM_MEMORY_REGION_ATTRIBUTE_SECURE_WRITE_THROUGH:
case ARM_MEMORY_REGION_ATTRIBUTE_NONSECURE_WRITE_THROUGH:
Attributes = TT_DESCRIPTOR_SECTION_WRITE_THROUGH(1);
break;
case ARM_MEMORY_REGION_ATTRIBUTE_SECURE_UNCACHED_UNBUFFERED:
case ARM_MEMORY_REGION_ATTRIBUTE_NONSECURE_UNCACHED_UNBUFFERED:
Attributes = TT_DESCRIPTOR_SECTION_UNCACHED(1);
break;
default:

View File

@@ -40,9 +40,9 @@ FillTranslationTable (
case ARM_MEMORY_REGION_ATTRIBUTE_UNCACHED_UNBUFFERED:
Attributes = TT_DESCRIPTOR_SECTION_UNCACHED_UNBUFFERED;
break;
case ARM_MEMORY_REGION_ATTRIBUTE_SECURE_WRITE_BACK:
case ARM_MEMORY_REGION_ATTRIBUTE_SECURE_WRITE_THROUGH:
case ARM_MEMORY_REGION_ATTRIBUTE_SECURE_UNCACHED_UNBUFFERED:
case ARM_MEMORY_REGION_ATTRIBUTE_NONSECURE_WRITE_BACK:
case ARM_MEMORY_REGION_ATTRIBUTE_NONSECURE_WRITE_THROUGH:
case ARM_MEMORY_REGION_ATTRIBUTE_NONSECURE_UNCACHED_UNBUFFERED:
ASSERT(0); // Trustzone is not supported on ARMv5
default:
Attributes = TT_DESCRIPTOR_SECTION_UNCACHED_UNBUFFERED;

View File

@@ -41,19 +41,19 @@ PopulateLevel2PageTable (
switch (Attributes) {
case ARM_MEMORY_REGION_ATTRIBUTE_WRITE_BACK:
case ARM_MEMORY_REGION_ATTRIBUTE_SECURE_WRITE_BACK:
case ARM_MEMORY_REGION_ATTRIBUTE_NONSECURE_WRITE_BACK:
PageAttributes = TT_DESCRIPTOR_PAGE_WRITE_BACK;
break;
case ARM_MEMORY_REGION_ATTRIBUTE_WRITE_THROUGH:
case ARM_MEMORY_REGION_ATTRIBUTE_SECURE_WRITE_THROUGH:
case ARM_MEMORY_REGION_ATTRIBUTE_NONSECURE_WRITE_THROUGH:
PageAttributes = TT_DESCRIPTOR_PAGE_WRITE_THROUGH;
break;
case ARM_MEMORY_REGION_ATTRIBUTE_DEVICE:
case ARM_MEMORY_REGION_ATTRIBUTE_SECURE_DEVICE:
case ARM_MEMORY_REGION_ATTRIBUTE_NONSECURE_DEVICE:
PageAttributes = TT_DESCRIPTOR_PAGE_DEVICE;
break;
case ARM_MEMORY_REGION_ATTRIBUTE_UNCACHED_UNBUFFERED:
case ARM_MEMORY_REGION_ATTRIBUTE_SECURE_UNCACHED_UNBUFFERED:
case ARM_MEMORY_REGION_ATTRIBUTE_NONSECURE_UNCACHED_UNBUFFERED:
PageAttributes = TT_DESCRIPTOR_PAGE_UNCACHED;
break;
default:
@@ -146,16 +146,16 @@ FillTranslationTable (
case ARM_MEMORY_REGION_ATTRIBUTE_UNCACHED_UNBUFFERED:
Attributes = TT_DESCRIPTOR_SECTION_UNCACHED(0);
break;
case ARM_MEMORY_REGION_ATTRIBUTE_SECURE_WRITE_BACK:
case ARM_MEMORY_REGION_ATTRIBUTE_NONSECURE_WRITE_BACK:
Attributes = TT_DESCRIPTOR_SECTION_WRITE_BACK(1);
break;
case ARM_MEMORY_REGION_ATTRIBUTE_SECURE_WRITE_THROUGH:
case ARM_MEMORY_REGION_ATTRIBUTE_NONSECURE_WRITE_THROUGH:
Attributes = TT_DESCRIPTOR_SECTION_WRITE_THROUGH(1);
break;
case ARM_MEMORY_REGION_ATTRIBUTE_SECURE_DEVICE:
case ARM_MEMORY_REGION_ATTRIBUTE_NONSECURE_DEVICE:
Attributes = TT_DESCRIPTOR_SECTION_DEVICE(1);
break;
case ARM_MEMORY_REGION_ATTRIBUTE_SECURE_UNCACHED_UNBUFFERED:
case ARM_MEMORY_REGION_ATTRIBUTE_NONSECURE_UNCACHED_UNBUFFERED:
Attributes = TT_DESCRIPTOR_SECTION_UNCACHED(1);
break;
default:
@@ -245,20 +245,20 @@ ArmConfigureMmu (
// Translate the Memory Attributes into Translation Table Register Attributes
if ((TranslationTableAttribute == ARM_MEMORY_REGION_ATTRIBUTE_UNCACHED_UNBUFFERED) ||
(TranslationTableAttribute == ARM_MEMORY_REGION_ATTRIBUTE_SECURE_UNCACHED_UNBUFFERED)) {
(TranslationTableAttribute == ARM_MEMORY_REGION_ATTRIBUTE_NONSECURE_UNCACHED_UNBUFFERED)) {
TTBRAttributes = TTBR_NON_CACHEABLE;
} else if ((TranslationTableAttribute == ARM_MEMORY_REGION_ATTRIBUTE_WRITE_BACK) ||
(TranslationTableAttribute == ARM_MEMORY_REGION_ATTRIBUTE_SECURE_WRITE_BACK)) {
(TranslationTableAttribute == ARM_MEMORY_REGION_ATTRIBUTE_NONSECURE_WRITE_BACK)) {
TTBRAttributes = TTBR_WRITE_BACK_ALLOC;
} else if ((TranslationTableAttribute == ARM_MEMORY_REGION_ATTRIBUTE_WRITE_THROUGH) ||
(TranslationTableAttribute == ARM_MEMORY_REGION_ATTRIBUTE_SECURE_WRITE_THROUGH)) {
(TranslationTableAttribute == ARM_MEMORY_REGION_ATTRIBUTE_NONSECURE_WRITE_THROUGH)) {
TTBRAttributes = TTBR_WRITE_THROUGH_NO_ALLOC;
} else {
//TODO: We should raise an error here
TTBRAttributes = TTBR_NON_CACHEABLE;
}
ArmSetTTBR0 ((VOID *)(UINTN)((TranslationTable & 0xFFFFC000) | (TTBRAttributes & 0x7F)));
ArmSetTTBR0 ((VOID *)(UINTN)((TranslationTable & ~TRANSLATION_TABLE_SECTION_ALIGNMENT_MASK) | (TTBRAttributes & 0x7F)));
ArmSetDomainAccessControl (DOMAIN_ACCESS_CONTROL_NONE(15) |
DOMAIN_ACCESS_CONTROL_NONE(14) |