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}
diff --git a/bl1/bl1.ld.S b/bl1/bl1.ld.S
index b20859b..e65ab90 100644
--- a/bl1/bl1.ld.S
+++ b/bl1/bl1.ld.S
@@ -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 @@
__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
/*
diff --git a/bl2/bl2.ld.S b/bl2/bl2.ld.S
index c1338e2..d08b046 100644
--- a/bl2/bl2.ld.S
+++ b/bl2/bl2.ld.S
@@ -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 @@
__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
/*
diff --git a/bl2/bl2_el3.ld.S b/bl2/bl2_el3.ld.S
index b6570ee..a72818c 100644
--- a/bl2/bl2_el3.ld.S
+++ b/bl2/bl2_el3.ld.S
@@ -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 @@
__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
/*
diff --git a/bl2u/bl2u.ld.S b/bl2u/bl2u.ld.S
index 8d257ce..96545a3 100644
--- a/bl2u/bl2u.ld.S
+++ b/bl2u/bl2u.ld.S
@@ -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 @@
__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
/*
diff --git a/bl31/bl31.ld.S b/bl31/bl31.ld.S
index 4a1c5f3..e0138ac 100644
--- a/bl31/bl31.ld.S
+++ b/bl31/bl31.ld.S
@@ -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 @@
__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
/*
diff --git a/bl32/sp_min/sp_min.ld.S b/bl32/sp_min/sp_min.ld.S
index 6997a7f..3b1ca1b 100644
--- a/bl32/sp_min/sp_min.ld.S
+++ b/bl32/sp_min/sp_min.ld.S
@@ -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 @@
__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);
diff --git a/bl32/tsp/tsp.ld.S b/bl32/tsp/tsp.ld.S
index 592e245..da60c63 100644
--- a/bl32/tsp/tsp.ld.S
+++ b/bl32/tsp/tsp.ld.S
@@ -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 @@
__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
/*
diff --git a/include/common/bl_common.ld.h b/include/common/bl_common.ld.h
new file mode 100644
index 0000000..32c54b4
--- /dev/null
+++ b/include/common/bl_common.ld.h
@@ -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 */
diff --git a/include/lib/xlat_tables/xlat_tables_v2.h b/include/lib/xlat_tables/xlat_tables_v2.h
index a80fab0..ab311f4 100644
--- a/include/lib/xlat_tables/xlat_tables_v2.h
+++ b/include/lib/xlat_tables/xlat_tables_v2.h
@@ -164,14 +164,20 @@
* 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 @@
(_xlat_tables_count), \
(_virt_addr_space_size), \
(_phy_addr_space_size), \
- (_xlat_regime), (_section_name))
+ (_xlat_regime), \
+ (_section_name), ".bss" \
+)
/******************************************************************************
* Generic translation table APIs.
diff --git a/include/lib/xlat_tables/xlat_tables_v2_helpers.h b/include/lib/xlat_tables/xlat_tables_v2_helpers.h
index c88fa4d..62f853d 100644
--- a/include/lib/xlat_tables/xlat_tables_v2_helpers.h
+++ b/include/lib/xlat_tables/xlat_tables_v2_helpers.h
@@ -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 @@
#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 @@
\
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 @@
.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),\
diff --git a/lib/xlat_tables_v2/xlat_tables_context.c b/lib/xlat_tables_v2/xlat_tables_context.c
index adca578..a1c974e 100644
--- a/lib/xlat_tables_v2/xlat_tables_context.c
+++ b/lib/xlat_tables_v2/xlat_tables_context.c
@@ -26,14 +26,15 @@
* 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)
{
diff --git a/plat/mediatek/mt6795/bl31.ld.S b/plat/mediatek/mt6795/bl31.ld.S
index cf68b71..0fd3866 100644
--- a/plat/mediatek/mt6795/bl31.ld.S
+++ b/plat/mediatek/mt6795/bl31.ld.S
@@ -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 @@
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
/*