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Merge changes from topic "xlat" into integration 

* changes:
  Factor xlat_table sections in linker scripts out into a header file
  xlat_tables_v2: use ARRAY_SIZE in REGISTER_XLAT_CONTEXT_FULL_SPEC
  xlat_tables_v2: merge REGISTER_XLAT_CONTEXT_{FULL_SPEC,RO_BASE_TABLE}
pull/1938/head
Sandrine Bailleux 5 years ago
committed by TrustedFirmware Code Review
parent
2fd18f03ca 665e71b8ea
commit
f56081e360
12 changed files with 66 additions and 129 deletions
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  1. 13
      bl1/bl1.ld.S
  2. 11
      bl2/bl2.ld.S
  3. 13
      bl2/bl2_el3.ld.S
  4. 13
      bl2u/bl2u.ld.S
  5. 11
      bl31/bl31.ld.S
  6. 13
      bl32/sp_min/sp_min.ld.S
  7. 11
      bl32/tsp/tsp.ld.S
  8. 21
      include/common/bl_common.ld.h
  9. 14
      include/lib/xlat_tables/xlat_tables_v2.h
  10. 51
      include/lib/xlat_tables/xlat_tables_v2_helpers.h
  11. 11
      lib/xlat_tables_v2/xlat_tables_context.c
  12. 13
      plat/mediatek/mt6795/bl31.ld.S

13
bl1/bl1.ld.S
View File

@ -1,11 +1,12 @@
/*
* Copyright (c) 2013-2019, ARM Limited and Contributors. All rights reserved.
* Copyright (c) 2013-2020, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <platform_def.h>
#include <common/bl_common.ld.h>
#include <lib/xlat_tables/xlat_tables_defs.h>
OUTPUT_FORMAT(PLATFORM_LINKER_FORMAT)
@ -148,15 +149,7 @@ SECTIONS
__BSS_END__ = .;
} >RAM
/*
* The xlat_table section is for full, aligned page tables (4K).
* Removing them from .bss avoids forcing 4K alignment on
* the .bss section. The tables are initialized to zero by the translation
* tables library.
*/
xlat_table (NOLOAD) : {
*(xlat_table)
} >RAM
XLAT_TABLE_SECTION >RAM
#if USE_COHERENT_MEM
/*

11
bl2/bl2.ld.S
View File

@ -6,6 +6,7 @@
#include <platform_def.h>
#include <common/bl_common.ld.h>
#include <lib/xlat_tables/xlat_tables_defs.h>
OUTPUT_FORMAT(PLATFORM_LINKER_FORMAT)
@ -125,15 +126,7 @@ SECTIONS
__BSS_END__ = .;
} >RAM
/*
* The xlat_table section is for full, aligned page tables (4K).
* Removing them from .bss avoids forcing 4K alignment on
* the .bss section. The tables are initialized to zero by the translation
* tables library.
*/
xlat_table (NOLOAD) : {
*(xlat_table)
} >RAM
XLAT_TABLE_SECTION >RAM
#if USE_COHERENT_MEM
/*

13
bl2/bl2_el3.ld.S
View File

@ -1,11 +1,12 @@
/*
* Copyright (c) 2017-2019, ARM Limited and Contributors. All rights reserved.
* Copyright (c) 2017-2020, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <platform_def.h>
#include <common/bl_common.ld.h>
#include <lib/xlat_tables/xlat_tables_defs.h>
OUTPUT_FORMAT(PLATFORM_LINKER_FORMAT)
@ -188,15 +189,7 @@ SECTIONS
__BSS_END__ = .;
} >RAM
/*
* The xlat_table section is for full, aligned page tables (4K).
* Removing them from .bss avoids forcing 4K alignment on
* the .bss section. The tables are initialized to zero by the translation
* tables library.
*/
xlat_table (NOLOAD) : {
*(xlat_table)
} >RAM
XLAT_TABLE_SECTION >RAM
#if USE_COHERENT_MEM
/*

13
bl2u/bl2u.ld.S
View File

@ -1,11 +1,12 @@
/*
* Copyright (c) 2015-2019, ARM Limited and Contributors. All rights reserved.
* Copyright (c) 2015-2020, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <platform_def.h>
#include <common/bl_common.ld.h>
#include <lib/xlat_tables/xlat_tables_defs.h>
OUTPUT_FORMAT(PLATFORM_LINKER_FORMAT)
@ -102,15 +103,7 @@ SECTIONS
__BSS_END__ = .;
} >RAM
/*
* The xlat_table section is for full, aligned page tables (4K).
* Removing them from .bss avoids forcing 4K alignment on
* the .bss section. The tables are initialized to zero by the translation
* tables library.
*/
xlat_table (NOLOAD) : {
*(xlat_table)
} >RAM
XLAT_TABLE_SECTION >RAM
#if USE_COHERENT_MEM
/*

11
bl31/bl31.ld.S
View File

@ -6,6 +6,7 @@
#include <platform_def.h>
#include <common/bl_common.ld.h>
#include <lib/xlat_tables/xlat_tables_defs.h>
OUTPUT_FORMAT(PLATFORM_LINKER_FORMAT)
@ -287,15 +288,7 @@ SECTIONS
__BSS_END__ = .;
} >NOBITS
/*
* The xlat_table section is for full, aligned page tables (4K).
* Removing them from .bss avoids forcing 4K alignment on
* the .bss section. The tables are initialized to zero by the translation
* tables library.
*/
xlat_table (NOLOAD) : {
*(xlat_table)
} >NOBITS
XLAT_TABLE_SECTION >NOBITS
#if USE_COHERENT_MEM
/*

13
bl32/sp_min/sp_min.ld.S
View File

@ -1,11 +1,12 @@
/*
* Copyright (c) 2016-2019, ARM Limited and Contributors. All rights reserved.
* Copyright (c) 2016-2020, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <platform_def.h>
#include <common/bl_common.ld.h>
#include <lib/xlat_tables/xlat_tables_defs.h>
OUTPUT_FORMAT(elf32-littlearm)
@ -196,15 +197,7 @@ SECTIONS
__BSS_END__ = .;
} >RAM
/*
* The xlat_table section is for full, aligned page tables (4K).
* Removing them from .bss avoids forcing 4K alignment on
* the .bss section. The tables are initialized to zero by the translation
* tables library.
*/
xlat_table (NOLOAD) : {
*(xlat_table)
} >RAM
XLAT_TABLE_SECTION >RAM
__BSS_SIZE__ = SIZEOF(.bss);

11
bl32/tsp/tsp.ld.S
View File

@ -4,6 +4,7 @@
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <common/bl_common.ld.h>
#include <lib/xlat_tables/xlat_tables_defs.h>
#include <platform_def.h>
@ -125,15 +126,7 @@ SECTIONS
__BSS_END__ = .;
} >RAM
/*
* The xlat_table section is for full, aligned page tables (4K).
* Removing them from .bss avoids forcing 4K alignment on
* the .bss section. The tables are initialized to zero by the translation
* tables library.
*/
xlat_table (NOLOAD) : {
*(xlat_table)
} >RAM
XLAT_TABLE_SECTION >RAM
#if USE_COHERENT_MEM
/*

21
include/common/bl_common.ld.h
View File

@ -0,0 +1,21 @@
/*
* Copyright (c) 2020, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef BL_COMMON_LD_H
#define BL_COMMON_LD_H
/*
* The xlat_table section is for full, aligned page tables (4K).
* Removing them from .bss avoids forcing 4K alignment on
* the .bss section. The tables are initialized to zero by the translation
* tables library.
*/
#define XLAT_TABLE_SECTION \
xlat_table (NOLOAD) : { \
*(xlat_table) \
}
#endif /* BL_COMMON_LD_H */

14
include/lib/xlat_tables/xlat_tables_v2.h
View File

@ -164,14 +164,20 @@ typedef struct xlat_ctx xlat_ctx_t;
* Would typically be PLAT_VIRT_ADDR_SPACE_SIZE
* (resp. PLAT_PHY_ADDR_SPACE_SIZE) for the translation context describing the
* BL image currently executing.
* _base_table_section:
* Specify the name of the section where the base translation tables have to
* be placed by the linker.
*/
#define REGISTER_XLAT_CONTEXT(_ctx_name, _mmap_count, _xlat_tables_count, \
_virt_addr_space_size, _phy_addr_space_size) \
_virt_addr_space_size, _phy_addr_space_size, \
_base_table_section) \
REGISTER_XLAT_CONTEXT_FULL_SPEC(_ctx_name, (_mmap_count), \
(_xlat_tables_count), \
(_virt_addr_space_size), \
(_phy_addr_space_size), \
EL_REGIME_INVALID, "xlat_table")
EL_REGIME_INVALID, \
"xlat_table", (_base_table_section))
/*
* Same as REGISTER_XLAT_CONTEXT plus the additional parameters:
@ -191,7 +197,9 @@ typedef struct xlat_ctx xlat_ctx_t;
(_xlat_tables_count), \
(_virt_addr_space_size), \
(_phy_addr_space_size), \
(_xlat_regime), (_section_name))
(_xlat_regime), \
(_section_name), ".bss" \
)
/******************************************************************************
* Generic translation table APIs.

51
include/lib/xlat_tables/xlat_tables_v2_helpers.h
View File

@ -24,6 +24,7 @@
#include <platform_def.h>
#include <lib/cassert.h>
#include <lib/utils_def.h>
#include <lib/xlat_tables/xlat_tables_arch.h>
#include <lib/xlat_tables/xlat_tables_defs.h>
@ -135,7 +136,8 @@ struct xlat_ctx {
#define REGISTER_XLAT_CONTEXT_FULL_SPEC(_ctx_name, _mmap_count, \
_xlat_tables_count, _virt_addr_space_size, \
_phy_addr_space_size, _xlat_regime, _section_name)\
_phy_addr_space_size, _xlat_regime, \
_table_section, _base_table_section) \
CASSERT(CHECK_PHY_ADDR_SPACE_SIZE(_phy_addr_space_size), \
assert_invalid_physical_addr_space_sizefor_##_ctx_name);\
\
@ -143,52 +145,13 @@ struct xlat_ctx {
\
static uint64_t _ctx_name##_xlat_tables[_xlat_tables_count] \
[XLAT_TABLE_ENTRIES] \
__aligned(XLAT_TABLE_SIZE) __section(_section_name); \
\
static uint64_t _ctx_name##_base_xlat_table \
[GET_NUM_BASE_LEVEL_ENTRIES(_virt_addr_space_size)] \
__aligned(GET_NUM_BASE_LEVEL_ENTRIES(_virt_addr_space_size)\
* sizeof(uint64_t)); \
\
XLAT_ALLOC_DYNMAP_STRUCT(_ctx_name, _xlat_tables_count) \
\
static xlat_ctx_t _ctx_name##_xlat_ctx = { \
.pa_max_address = (_phy_addr_space_size) - 1ULL, \
.va_max_address = (_virt_addr_space_size) - 1UL, \
.mmap = _ctx_name##_mmap, \
.mmap_num = (_mmap_count), \
.tables = _ctx_name##_xlat_tables, \
.tables_num = _xlat_tables_count, \
XLAT_CTX_INIT_TABLE_ATTR() \
XLAT_REGISTER_DYNMAP_STRUCT(_ctx_name) \
.next_table = 0, \
.base_table = _ctx_name##_base_xlat_table, \
.base_table_entries = \
GET_NUM_BASE_LEVEL_ENTRIES(_virt_addr_space_size),\
.max_pa = 0U, \
.max_va = 0U, \
.base_level = GET_XLAT_TABLE_LEVEL_BASE(_virt_addr_space_size),\
.initialized = false, \
.xlat_regime = (_xlat_regime) \
}
#define REGISTER_XLAT_CONTEXT_RO_BASE_TABLE(_ctx_name, _mmap_count, \
_xlat_tables_count, _virt_addr_space_size, \
_phy_addr_space_size, _xlat_regime, _section_name)\
CASSERT(CHECK_PHY_ADDR_SPACE_SIZE(_phy_addr_space_size), \
assert_invalid_physical_addr_space_sizefor_##_ctx_name);\
\
static mmap_region_t _ctx_name##_mmap[_mmap_count + 1]; \
\
static uint64_t _ctx_name##_xlat_tables[_xlat_tables_count] \
[XLAT_TABLE_ENTRIES] \
__aligned(XLAT_TABLE_SIZE) __section(_section_name); \
__aligned(XLAT_TABLE_SIZE) __section(_table_section); \
\
static uint64_t _ctx_name##_base_xlat_table \
[GET_NUM_BASE_LEVEL_ENTRIES(_virt_addr_space_size)] \
__aligned(GET_NUM_BASE_LEVEL_ENTRIES(_virt_addr_space_size)\
* sizeof(uint64_t)) \
__section(".rodata"); \
__section(_base_table_section); \
\
XLAT_ALLOC_DYNMAP_STRUCT(_ctx_name, _xlat_tables_count) \
\
@ -198,13 +161,13 @@ struct xlat_ctx {
.mmap = _ctx_name##_mmap, \
.mmap_num = (_mmap_count), \
.tables = _ctx_name##_xlat_tables, \
.tables_num = _xlat_tables_count, \
.tables_num = ARRAY_SIZE(_ctx_name##_xlat_tables), \
XLAT_CTX_INIT_TABLE_ATTR() \
XLAT_REGISTER_DYNMAP_STRUCT(_ctx_name) \
.next_table = 0, \
.base_table = _ctx_name##_base_xlat_table, \
.base_table_entries = \
GET_NUM_BASE_LEVEL_ENTRIES(_virt_addr_space_size),\
ARRAY_SIZE(_ctx_name##_base_xlat_table), \
.max_pa = 0U, \
.max_va = 0U, \
.base_level = GET_XLAT_TABLE_LEVEL_BASE(_virt_addr_space_size),\

11
lib/xlat_tables_v2/xlat_tables_context.c
View File

@ -26,14 +26,15 @@ uint64_t mmu_cfg_params[MMU_CFG_PARAM_MAX];
* currently executing.
*/
#if PLAT_RO_XLAT_TABLES
REGISTER_XLAT_CONTEXT_RO_BASE_TABLE(tf, MAX_MMAP_REGIONS, MAX_XLAT_TABLES,
PLAT_VIRT_ADDR_SPACE_SIZE, PLAT_PHY_ADDR_SPACE_SIZE,
EL_REGIME_INVALID, "xlat_table");
#define BASE_XLAT_TABLE_SECTION ".rodata"
#else
REGISTER_XLAT_CONTEXT(tf, MAX_MMAP_REGIONS, MAX_XLAT_TABLES,
PLAT_VIRT_ADDR_SPACE_SIZE, PLAT_PHY_ADDR_SPACE_SIZE);
#define BASE_XLAT_TABLE_SECTION ".bss"
#endif
REGISTER_XLAT_CONTEXT(tf, MAX_MMAP_REGIONS, MAX_XLAT_TABLES,
PLAT_VIRT_ADDR_SPACE_SIZE, PLAT_PHY_ADDR_SPACE_SIZE,
BASE_XLAT_TABLE_SECTION);
void mmap_add_region(unsigned long long base_pa, uintptr_t base_va, size_t size,
unsigned int attr)
{

13
plat/mediatek/mt6795/bl31.ld.S
View File

@ -1,9 +1,10 @@
/*
* Copyright (c) 2016-2018, ARM Limited and Contributors. All rights reserved.
* Copyright (c) 2016-2020, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <common/bl_common.ld.h>
#include <lib/xlat_tables/xlat_tables_defs.h>
#include <platform_def.h>
@ -131,15 +132,7 @@ SECTIONS
ASSERT(. <= BL31_LIMIT, "BL3-1 image has exceeded its limit.")
/*
* The xlat_table section is for full, aligned page tables (4K).
* Removing them from .bss avoids forcing 4K alignment on
* the .bss section. The tables are initialized to zero by the translation
* tables library.
*/
xlat_table (NOLOAD) : {
*(xlat_table)
} >RAM2
XLAT_TABLE_SECTION >RAM2
#if USE_COHERENT_MEM
/*

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