diff options
| -rw-r--r-- | bl1/bl1.ld.S | 34 | ||||
| -rw-r--r-- | bl2/bl2.ld.S | 26 | ||||
| -rw-r--r-- | bl2/bl2_el3.ld.S | 56 | ||||
| -rw-r--r-- | bl31/bl31.ld.S | 136 | ||||
| -rw-r--r-- | bl32/sp_min/sp_min.ld.S | 99 | ||||
| -rw-r--r-- | bl32/tsp/tsp.ld.S | 21 | ||||
| -rw-r--r-- | include/common/bl_common.ld.h | 112 | ||||
| -rw-r--r-- | plat/mediatek/mt6795/bl31.ld.S | 41 |
8 files changed, 152 insertions, 373 deletions
diff --git a/bl1/bl1.ld.S b/bl1/bl1.ld.S index e65ab9004..87f1ae82f 100644 --- a/bl1/bl1.ld.S +++ b/bl1/bl1.ld.S @@ -4,8 +4,6 @@ * SPDX-License-Identifier: BSD-3-Clause */ -#include <platform_def.h> - #include <common/bl_common.ld.h> #include <lib/xlat_tables/xlat_tables_defs.h> @@ -47,20 +45,8 @@ SECTIONS __RODATA_START__ = .; *(SORT_BY_ALIGNMENT(.rodata*)) - /* Ensure 8-byte alignment for descriptors and ensure inclusion */ - . = ALIGN(8); - __PARSER_LIB_DESCS_START__ = .; - KEEP(*(.img_parser_lib_descs)) - __PARSER_LIB_DESCS_END__ = .; - - /* - * Ensure 8-byte alignment for cpu_ops so that its fields are also - * aligned. Also ensure cpu_ops inclusion. - */ - . = ALIGN(8); - __CPU_OPS_START__ = .; - KEEP(*(cpu_ops)) - __CPU_OPS_END__ = .; + PARSER_LIB_DESCS + CPU_OPS /* * No need to pad out the .rodata section to a page boundary. Next is @@ -81,20 +67,8 @@ SECTIONS *(SORT_BY_ALIGNMENT(.text*)) *(SORT_BY_ALIGNMENT(.rodata*)) - /* Ensure 8-byte alignment for descriptors and ensure inclusion */ - . = ALIGN(8); - __PARSER_LIB_DESCS_START__ = .; - KEEP(*(.img_parser_lib_descs)) - __PARSER_LIB_DESCS_END__ = .; - - /* - * Ensure 8-byte alignment for cpu_ops so that its fields are also - * aligned. Also ensure cpu_ops inclusion. - */ - . = ALIGN(8); - __CPU_OPS_START__ = .; - KEEP(*(cpu_ops)) - __CPU_OPS_END__ = .; + PARSER_LIB_DESCS + CPU_OPS *(.vectors) __RO_END__ = .; diff --git a/bl2/bl2.ld.S b/bl2/bl2.ld.S index d08b046e9..afb013390 100644 --- a/bl2/bl2.ld.S +++ b/bl2/bl2.ld.S @@ -4,8 +4,6 @@ * SPDX-License-Identifier: BSD-3-Clause */ -#include <platform_def.h> - #include <common/bl_common.ld.h> #include <lib/xlat_tables/xlat_tables_defs.h> @@ -47,16 +45,8 @@ SECTIONS __RODATA_START__ = .; *(SORT_BY_ALIGNMENT(.rodata*)) - . = ALIGN(8); - __FCONF_POPULATOR_START__ = .; - KEEP(*(.fconf_populator)) - __FCONF_POPULATOR_END__ = .; - - /* Ensure 8-byte alignment for descriptors and ensure inclusion */ - . = ALIGN(8); - __PARSER_LIB_DESCS_START__ = .; - KEEP(*(.img_parser_lib_descs)) - __PARSER_LIB_DESCS_END__ = .; + FCONF_POPULATOR + PARSER_LIB_DESCS . = ALIGN(PAGE_SIZE); __RODATA_END__ = .; @@ -68,16 +58,8 @@ SECTIONS *(SORT_BY_ALIGNMENT(.text*)) *(SORT_BY_ALIGNMENT(.rodata*)) - . = ALIGN(8); - __FCONF_POPULATOR_START__ = .; - KEEP(*(.fconf_populator)) - __FCONF_POPULATOR_END__ = .; - - /* Ensure 8-byte alignment for descriptors and ensure inclusion */ - . = ALIGN(8); - __PARSER_LIB_DESCS_START__ = .; - KEEP(*(.img_parser_lib_descs)) - __PARSER_LIB_DESCS_END__ = .; + FCONF_POPULATOR + PARSER_LIB_DESCS *(.vectors) __RO_END_UNALIGNED__ = .; diff --git a/bl2/bl2_el3.ld.S b/bl2/bl2_el3.ld.S index a72818c99..d23799029 100644 --- a/bl2/bl2_el3.ld.S +++ b/bl2/bl2_el3.ld.S @@ -4,8 +4,6 @@ * SPDX-License-Identifier: BSD-3-Clause */ -#include <platform_def.h> - #include <common/bl_common.ld.h> #include <lib/xlat_tables/xlat_tables_defs.h> @@ -55,30 +53,9 @@ SECTIONS __RODATA_START__ = .; *(SORT_BY_ALIGNMENT(.rodata*)) - /* Ensure 8-byte alignment for descriptors and ensure inclusion */ - . = ALIGN(8); - __PARSER_LIB_DESCS_START__ = .; - KEEP(*(.img_parser_lib_descs)) - __PARSER_LIB_DESCS_END__ = .; - - /* - * Ensure 8-byte alignment for cpu_ops so that its fields are also - * aligned. Also ensure cpu_ops inclusion. - */ - . = ALIGN(8); - __CPU_OPS_START__ = .; - KEEP(*(cpu_ops)) - __CPU_OPS_END__ = .; - - /* - * Keep the .got section in the RO section as it is patched - * prior to enabling the MMU and having the .got in RO is better for - * security. GOT is a table of addresses so ensure 8-byte alignment. - */ - . = ALIGN(8); - __GOT_START__ = .; - *(.got) - __GOT_END__ = .; + PARSER_LIB_DESCS + CPU_OPS + GOT . = ALIGN(PAGE_SIZE); __RODATA_END__ = .; @@ -96,30 +73,9 @@ SECTIONS *(SORT_BY_ALIGNMENT(.text*)) *(SORT_BY_ALIGNMENT(.rodata*)) - /* - * Ensure 8-byte alignment for cpu_ops so that its fields are also - * aligned. Also ensure cpu_ops inclusion. - */ - . = ALIGN(8); - __CPU_OPS_START__ = .; - KEEP(*(cpu_ops)) - __CPU_OPS_END__ = .; - - /* Ensure 8-byte alignment for descriptors and ensure inclusion */ - . = ALIGN(8); - __PARSER_LIB_DESCS_START__ = .; - KEEP(*(.img_parser_lib_descs)) - __PARSER_LIB_DESCS_END__ = .; - - /* - * Keep the .got section in the RO section as it is patched - * prior to enabling the MMU and having the .got in RO is better for - * security. GOT is a table of addresses so ensure 8-byte alignment. - */ - . = ALIGN(8); - __GOT_START__ = .; - *(.got) - __GOT_END__ = .; + CPU_OPS + PARSER_LIB_DESCS + GOT *(.vectors) __RO_END_UNALIGNED__ = .; diff --git a/bl31/bl31.ld.S b/bl31/bl31.ld.S index 5f9f9df5b..6b7f9157a 100644 --- a/bl31/bl31.ld.S +++ b/bl31/bl31.ld.S @@ -4,8 +4,6 @@ * SPDX-License-Identifier: BSD-3-Clause */ -#include <platform_def.h> - #include <common/bl_common.ld.h> #include <lib/xlat_tables/xlat_tables_defs.h> @@ -49,43 +47,11 @@ SECTIONS __RODATA_START__ = .; *(SORT_BY_ALIGNMENT(.rodata*)) - /* Ensure 8-byte alignment for descriptors and ensure inclusion */ - . = ALIGN(8); - __RT_SVC_DESCS_START__ = .; - KEEP(*(rt_svc_descs)) - __RT_SVC_DESCS_END__ = .; - - . = ALIGN(8); - __FCONF_POPULATOR_START__ = .; - KEEP(*(.fconf_populator)) - __FCONF_POPULATOR_END__ = .; - -#if ENABLE_PMF - /* Ensure 8-byte alignment for descriptors and ensure inclusion */ - . = ALIGN(8); - __PMF_SVC_DESCS_START__ = .; - KEEP(*(pmf_svc_descs)) - __PMF_SVC_DESCS_END__ = .; -#endif /* ENABLE_PMF */ - - /* - * Ensure 8-byte alignment for cpu_ops so that its fields are also - * aligned. Also ensure cpu_ops inclusion. - */ - . = ALIGN(8); - __CPU_OPS_START__ = .; - KEEP(*(cpu_ops)) - __CPU_OPS_END__ = .; - - /* - * Keep the .got section in the RO section as it is patched - * prior to enabling the MMU and having the .got in RO is better for - * security. GOT is a table of addresses so ensure 8-byte alignment. - */ - . = ALIGN(8); - __GOT_START__ = .; - *(.got) - __GOT_END__ = .; + RT_SVC_DESCS + FCONF_POPULATOR + PMF_SVC_DESCS + CPU_OPS + GOT /* Place pubsub sections for events */ . = ALIGN(8); @@ -101,43 +67,11 @@ SECTIONS *(SORT_BY_ALIGNMENT(.text*)) *(SORT_BY_ALIGNMENT(.rodata*)) - /* Ensure 8-byte alignment for descriptors and ensure inclusion */ - . = ALIGN(8); - __RT_SVC_DESCS_START__ = .; - KEEP(*(rt_svc_descs)) - __RT_SVC_DESCS_END__ = .; - - . = ALIGN(8); - __FCONF_POPULATOR_START__ = .; - KEEP(*(.fconf_populator)) - __FCONF_POPULATOR_END__ = .; - -#if ENABLE_PMF - /* Ensure 8-byte alignment for descriptors and ensure inclusion */ - . = ALIGN(8); - __PMF_SVC_DESCS_START__ = .; - KEEP(*(pmf_svc_descs)) - __PMF_SVC_DESCS_END__ = .; -#endif /* ENABLE_PMF */ - - /* - * Ensure 8-byte alignment for cpu_ops so that its fields are also - * aligned. Also ensure cpu_ops inclusion. - */ - . = ALIGN(8); - __CPU_OPS_START__ = .; - KEEP(*(cpu_ops)) - __CPU_OPS_END__ = .; - - /* - * Keep the .got section in the RO section as it is patched - * prior to enabling the MMU and having the .got in RO is better for - * security. GOT is a table of addresses so ensure 8-byte alignment. - */ - . = ALIGN(8); - __GOT_START__ = .; - *(.got) - __GOT_END__ = .; + RT_SVC_DESCS + FCONF_POPULATOR + PMF_SVC_DESCS + CPU_OPS + GOT /* Place pubsub sections for events */ . = ALIGN(8); @@ -247,54 +181,8 @@ SECTIONS __BSS_START__ = .; *(SORT_BY_ALIGNMENT(.bss*)) *(COMMON) -#if !USE_COHERENT_MEM - /* - * Bakery locks are stored in normal .bss memory - * - * Each lock's data is spread across multiple cache lines, one per CPU, - * but multiple locks can share the same cache line. - * The compiler will allocate enough memory for one CPU's bakery locks, - * the remaining cache lines are allocated by the linker script - */ - . = ALIGN(CACHE_WRITEBACK_GRANULE); - __BAKERY_LOCK_START__ = .; - __PERCPU_BAKERY_LOCK_START__ = .; - *(bakery_lock) - . = ALIGN(CACHE_WRITEBACK_GRANULE); - __PERCPU_BAKERY_LOCK_END__ = .; - __PERCPU_BAKERY_LOCK_SIZE__ = ABSOLUTE(__PERCPU_BAKERY_LOCK_END__ - __PERCPU_BAKERY_LOCK_START__); - . = . + (__PERCPU_BAKERY_LOCK_SIZE__ * (PLATFORM_CORE_COUNT - 1)); - __BAKERY_LOCK_END__ = .; - - /* - * If BL31 doesn't use any bakery lock then __PERCPU_BAKERY_LOCK_SIZE__ - * will be zero. For this reason, the only two valid values for - * __PERCPU_BAKERY_LOCK_SIZE__ are 0 or the platform defined value - * PLAT_PERCPU_BAKERY_LOCK_SIZE. - */ -#ifdef PLAT_PERCPU_BAKERY_LOCK_SIZE - ASSERT((__PERCPU_BAKERY_LOCK_SIZE__ == 0) || (__PERCPU_BAKERY_LOCK_SIZE__ == PLAT_PERCPU_BAKERY_LOCK_SIZE), - "PLAT_PERCPU_BAKERY_LOCK_SIZE does not match bakery lock requirements"); -#endif -#endif - -#if ENABLE_PMF - /* - * Time-stamps are stored in normal .bss memory - * - * The compiler will allocate enough memory for one CPU's time-stamps, - * the remaining memory for other CPUs is allocated by the - * linker script - */ - . = ALIGN(CACHE_WRITEBACK_GRANULE); - __PMF_TIMESTAMP_START__ = .; - KEEP(*(pmf_timestamp_array)) - . = ALIGN(CACHE_WRITEBACK_GRANULE); - __PMF_PERCPU_TIMESTAMP_END__ = .; - __PERCPU_TIMESTAMP_SIZE__ = ABSOLUTE(. - __PMF_TIMESTAMP_START__); - . = . + (__PERCPU_TIMESTAMP_SIZE__ * (PLATFORM_CORE_COUNT - 1)); - __PMF_TIMESTAMP_END__ = .; -#endif /* ENABLE_PMF */ + BAKERY_LOCK_NORMAL + PMF_TIMESTAMP __BSS_END__ = .; } >NOBITS diff --git a/bl32/sp_min/sp_min.ld.S b/bl32/sp_min/sp_min.ld.S index 66f3b113d..d83b4e018 100644 --- a/bl32/sp_min/sp_min.ld.S +++ b/bl32/sp_min/sp_min.ld.S @@ -4,8 +4,6 @@ * SPDX-License-Identifier: BSD-3-Clause */ -#include <platform_def.h> - #include <common/bl_common.ld.h> #include <lib/xlat_tables/xlat_tables_defs.h> @@ -50,33 +48,10 @@ SECTIONS __RODATA_START__ = .; *(.rodata*) - /* Ensure 4-byte alignment for descriptors and ensure inclusion */ - . = ALIGN(4); - __RT_SVC_DESCS_START__ = .; - KEEP(*(rt_svc_descs)) - __RT_SVC_DESCS_END__ = .; - - . = ALIGN(4); - __FCONF_POPULATOR_START__ = .; - KEEP(*(.fconf_populator)) - __FCONF_POPULATOR_END__ = .; - -#if ENABLE_PMF - /* Ensure 4-byte alignment for descriptors and ensure inclusion */ - . = ALIGN(4); - __PMF_SVC_DESCS_START__ = .; - KEEP(*(pmf_svc_descs)) - __PMF_SVC_DESCS_END__ = .; -#endif /* ENABLE_PMF */ - - /* - * Ensure 4-byte alignment for cpu_ops so that its fields are also - * aligned. Also ensure cpu_ops inclusion. - */ - . = ALIGN(4); - __CPU_OPS_START__ = .; - KEEP(*(cpu_ops)) - __CPU_OPS_END__ = .; + RT_SVC_DESCS + FCONF_POPULATOR + PMF_SVC_DESCS + CPU_OPS /* Place pubsub sections for events */ . = ALIGN(8); @@ -92,25 +67,9 @@ SECTIONS *(.text*) *(.rodata*) - /* Ensure 4-byte alignment for descriptors and ensure inclusion */ - . = ALIGN(4); - __RT_SVC_DESCS_START__ = .; - KEEP(*(rt_svc_descs)) - __RT_SVC_DESCS_END__ = .; - - . = ALIGN(4); - __FCONF_POPULATOR_START__ = .; - KEEP(*(.fconf_populator)) - __FCONF_POPULATOR_END__ = .; - - /* - * Ensure 4-byte alignment for cpu_ops so that its fields are also - * aligned. Also ensure cpu_ops inclusion. - */ - . = ALIGN(4); - __CPU_OPS_START__ = .; - KEEP(*(cpu_ops)) - __CPU_OPS_END__ = .; + RT_SVC_DESCS + FCONF_POPULATOR + CPU_OPS /* Place pubsub sections for events */ . = ALIGN(8); @@ -162,48 +121,8 @@ SECTIONS __BSS_START__ = .; *(.bss*) *(COMMON) -#if !USE_COHERENT_MEM - /* - * Bakery locks are stored in normal .bss memory - * - * Each lock's data is spread across multiple cache lines, one per CPU, - * but multiple locks can share the same cache line. - * The compiler will allocate enough memory for one CPU's bakery locks, - * the remaining cache lines are allocated by the linker script - */ - . = ALIGN(CACHE_WRITEBACK_GRANULE); - __BAKERY_LOCK_START__ = .; - __PERCPU_BAKERY_LOCK_START__ = .; - *(bakery_lock) - . = ALIGN(CACHE_WRITEBACK_GRANULE); - __PERCPU_BAKERY_LOCK_END__ = .; - __PERCPU_BAKERY_LOCK_SIZE__ = ABSOLUTE(__PERCPU_BAKERY_LOCK_END__ - __PERCPU_BAKERY_LOCK_START__); - . = . + (__PERCPU_BAKERY_LOCK_SIZE__ * (PLATFORM_CORE_COUNT - 1)); - __BAKERY_LOCK_END__ = .; -#ifdef PLAT_PERCPU_BAKERY_LOCK_SIZE - ASSERT(__PERCPU_BAKERY_LOCK_SIZE__ == PLAT_PERCPU_BAKERY_LOCK_SIZE, - "PLAT_PERCPU_BAKERY_LOCK_SIZE does not match bakery lock requirements"); -#endif -#endif - -#if ENABLE_PMF - /* - * Time-stamps are stored in normal .bss memory - * - * The compiler will allocate enough memory for one CPU's time-stamps, - * the remaining memory for other CPUs is allocated by the - * linker script - */ - . = ALIGN(CACHE_WRITEBACK_GRANULE); - __PMF_TIMESTAMP_START__ = .; - KEEP(*(pmf_timestamp_array)) - . = ALIGN(CACHE_WRITEBACK_GRANULE); - __PMF_PERCPU_TIMESTAMP_END__ = .; - __PERCPU_TIMESTAMP_SIZE__ = ABSOLUTE(. - __PMF_TIMESTAMP_START__); - . = . + (__PERCPU_TIMESTAMP_SIZE__ * (PLATFORM_CORE_COUNT - 1)); - __PMF_TIMESTAMP_END__ = .; -#endif /* ENABLE_PMF */ - + BAKERY_LOCK_NORMAL + PMF_TIMESTAMP __BSS_END__ = .; } >RAM diff --git a/bl32/tsp/tsp.ld.S b/bl32/tsp/tsp.ld.S index da60c63a7..b1ec42350 100644 --- a/bl32/tsp/tsp.ld.S +++ b/bl32/tsp/tsp.ld.S @@ -6,7 +6,6 @@ #include <common/bl_common.ld.h> #include <lib/xlat_tables/xlat_tables_defs.h> -#include <platform_def.h> OUTPUT_FORMAT(PLATFORM_LINKER_FORMAT) OUTPUT_ARCH(PLATFORM_LINKER_ARCH) @@ -38,15 +37,7 @@ SECTIONS __RODATA_START__ = .; *(.rodata*) - /* - * Keep the .got section in the RO section as it is patched - * prior to enabling the MMU and having the .got in RO is better for - * security. GOT is a table of addresses so ensure 8-byte alignment. - */ - . = ALIGN(8); - __GOT_START__ = .; - *(.got) - __GOT_END__ = .; + GOT . = ALIGN(PAGE_SIZE); __RODATA_END__ = .; @@ -58,15 +49,7 @@ SECTIONS *(.text*) *(.rodata*) - /* - * Keep the .got section in the RO section as it is patched - * prior to enabling the MMU and having the .got in RO is better for - * security. GOT is a table of addresses so ensure 8-byte alignment. - */ - . = ALIGN(8); - __GOT_START__ = .; - *(.got) - __GOT_END__ = .; + GOT *(.vectors) diff --git a/include/common/bl_common.ld.h b/include/common/bl_common.ld.h index 32c54b4d2..d9e2e015f 100644 --- a/include/common/bl_common.ld.h +++ b/include/common/bl_common.ld.h @@ -7,6 +7,118 @@ #ifndef BL_COMMON_LD_H #define BL_COMMON_LD_H +#include <platform_def.h> + +#ifdef __aarch64__ +#define STRUCT_ALIGN 8 +#else +#define STRUCT_ALIGN 4 +#endif + +#define CPU_OPS \ + . = ALIGN(STRUCT_ALIGN); \ + __CPU_OPS_START__ = .; \ + KEEP(*(cpu_ops)) \ + __CPU_OPS_END__ = .; + +#define PARSER_LIB_DESCS \ + . = ALIGN(STRUCT_ALIGN); \ + __PARSER_LIB_DESCS_START__ = .; \ + KEEP(*(.img_parser_lib_descs)) \ + __PARSER_LIB_DESCS_END__ = .; + +#define RT_SVC_DESCS \ + . = ALIGN(STRUCT_ALIGN); \ + __RT_SVC_DESCS_START__ = .; \ + KEEP(*(rt_svc_descs)) \ + __RT_SVC_DESCS_END__ = .; + +#define PMF_SVC_DESCS \ + . = ALIGN(STRUCT_ALIGN); \ + __PMF_SVC_DESCS_START__ = .; \ + KEEP(*(pmf_svc_descs)) \ + __PMF_SVC_DESCS_END__ = .; + +#define FCONF_POPULATOR \ + . = ALIGN(STRUCT_ALIGN); \ + __FCONF_POPULATOR_START__ = .; \ + KEEP(*(.fconf_populator)) \ + __FCONF_POPULATOR_END__ = .; + +/* + * Keep the .got section in the RO section as it is patched prior to enabling + * the MMU and having the .got in RO is better for security. GOT is a table of + * addresses so ensure pointer size alignment. + */ +#define GOT \ + . = ALIGN(STRUCT_ALIGN); \ + __GOT_START__ = .; \ + *(.got) \ + __GOT_END__ = .; + +#define STACK_SECTION \ + stacks (NOLOAD) : { \ + __STACKS_START__ = .; \ + *(tzfw_normal_stacks) \ + __STACKS_END__ = .; \ + } + +/* + * If BL doesn't use any bakery lock then __PERCPU_BAKERY_LOCK_SIZE__ + * will be zero. For this reason, the only two valid values for + * __PERCPU_BAKERY_LOCK_SIZE__ are 0 or the platform defined value + * PLAT_PERCPU_BAKERY_LOCK_SIZE. + */ +#ifdef PLAT_PERCPU_BAKERY_LOCK_SIZE +#define BAKERY_LOCK_SIZE_CHECK \ + ASSERT((__PERCPU_BAKERY_LOCK_SIZE__ == 0) || \ + (__PERCPU_BAKERY_LOCK_SIZE__ == PLAT_PERCPU_BAKERY_LOCK_SIZE), \ + "PLAT_PERCPU_BAKERY_LOCK_SIZE does not match bakery lock requirements"); +#else +#define BAKERY_LOCK_SIZE_CHECK +#endif + +/* + * Bakery locks are stored in normal .bss memory + * + * Each lock's data is spread across multiple cache lines, one per CPU, + * but multiple locks can share the same cache line. + * The compiler will allocate enough memory for one CPU's bakery locks, + * the remaining cache lines are allocated by the linker script + */ +#if !USE_COHERENT_MEM +#define BAKERY_LOCK_NORMAL \ + . = ALIGN(CACHE_WRITEBACK_GRANULE); \ + __BAKERY_LOCK_START__ = .; \ + __PERCPU_BAKERY_LOCK_START__ = .; \ + *(bakery_lock) \ + . = ALIGN(CACHE_WRITEBACK_GRANULE); \ + __PERCPU_BAKERY_LOCK_END__ = .; \ + __PERCPU_BAKERY_LOCK_SIZE__ = ABSOLUTE(__PERCPU_BAKERY_LOCK_END__ - __PERCPU_BAKERY_LOCK_START__); \ + . = . + (__PERCPU_BAKERY_LOCK_SIZE__ * (PLATFORM_CORE_COUNT - 1)); \ + __BAKERY_LOCK_END__ = .; \ + BAKERY_LOCK_SIZE_CHECK +#else +#define BAKERY_LOCK_NORMAL +#endif + +/* + * Time-stamps are stored in normal .bss memory + * + * The compiler will allocate enough memory for one CPU's time-stamps, + * the remaining memory for other CPUs is allocated by the + * linker script + */ +#define PMF_TIMESTAMP \ + . = ALIGN(CACHE_WRITEBACK_GRANULE); \ + __PMF_TIMESTAMP_START__ = .; \ + KEEP(*(pmf_timestamp_array)) \ + . = ALIGN(CACHE_WRITEBACK_GRANULE); \ + __PMF_PERCPU_TIMESTAMP_END__ = .; \ + __PERCPU_TIMESTAMP_SIZE__ = ABSOLUTE(. - __PMF_TIMESTAMP_START__); \ + . = . + (__PERCPU_TIMESTAMP_SIZE__ * (PLATFORM_CORE_COUNT - 1)); \ + __PMF_TIMESTAMP_END__ = .; + /* * The xlat_table section is for full, aligned page tables (4K). * Removing them from .bss avoids forcing 4K alignment on diff --git a/plat/mediatek/mt6795/bl31.ld.S b/plat/mediatek/mt6795/bl31.ld.S index 0fd38664c..03a737f69 100644 --- a/plat/mediatek/mt6795/bl31.ld.S +++ b/plat/mediatek/mt6795/bl31.ld.S @@ -6,7 +6,6 @@ #include <common/bl_common.ld.h> #include <lib/xlat_tables/xlat_tables_defs.h> -#include <platform_def.h> OUTPUT_FORMAT(PLATFORM_LINKER_FORMAT) OUTPUT_ARCH(PLATFORM_LINKER_ARCH) @@ -39,20 +38,8 @@ SECTIONS *(.text*) *(.rodata*) - /* Ensure 8-byte alignment for descriptors and ensure inclusion */ - . = ALIGN(8); - __RT_SVC_DESCS_START__ = .; - KEEP(*(rt_svc_descs)) - __RT_SVC_DESCS_END__ = .; - - /* - * Ensure 8-byte alignment for cpu_ops so that its fields are also - * aligned. Also ensure cpu_ops inclusion. - */ - . = ALIGN(8); - __CPU_OPS_START__ = .; - KEEP(*(cpu_ops)) - __CPU_OPS_END__ = .; + RT_SVC_DESCS + CPU_OPS __RO_END_UNALIGNED__ = .; /* @@ -103,29 +90,7 @@ SECTIONS __BSS_START__ = .; *(.bss*) *(COMMON) -#if !USE_COHERENT_MEM - /* - * Bakery locks are stored in normal .bss memory - * - * Each lock's data is spread across multiple cache lines, one per CPU, - * but multiple locks can share the same cache line. - * The compiler will allocate enough memory for one CPU's bakery locks, - * the remaining cache lines are allocated by the linker script - */ - . = ALIGN(CACHE_WRITEBACK_GRANULE); - __BAKERY_LOCK_START__ = .; - __PERCPU_BAKERY_LOCK_START__ = .; - *(bakery_lock) - . = ALIGN(CACHE_WRITEBACK_GRANULE); - __PERCPU_BAKERY_LOCK_END__ = .; - __PERCPU_BAKERY_LOCK_SIZE__ = ABSOLUTE(__PERCPU_BAKERY_LOCK_END__ - __PERCPU_BAKERY_LOCK_START__); - . = . + (__PERCPU_BAKERY_LOCK_SIZE__ * (PLATFORM_CORE_COUNT - 1)); - __BAKERY_LOCK_END__ = .; -#ifdef PLAT_PERCPU_BAKERY_LOCK_SIZE - ASSERT(__PERCPU_BAKERY_LOCK_SIZE__ == PLAT_PERCPU_BAKERY_LOCK_SIZE, - "PLAT_PERCPU_BAKERY_LOCK_SIZE does not match bakery lock requirements"); -#endif -#endif + BAKERY_LOCK_NORMAL __BSS_END__ = .; __RW_END__ = .; } >RAM |