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unified/arc: add memory pools support for ARC architecture

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ARC does not align data structures by 4 bytes by default.
Add necessary linker sections.

Change-Id: I3bf7aa38b9bc8cba56f824469040c027968fa564
Signed-off-by: Dmitriy Korovkin <dmitriy.korovkin@windriver.com>
This commit is contained in:
Dmitriy Korovkin 2016-10-06 15:50:40 -04:00 committed by Anas Nashif
parent 909bfffda9
commit 3c90651fd8
2 changed files with 13 additions and 0 deletions
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11
include/arch/arc/v2/linker.ld
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@ -221,6 +221,17 @@ SECTION_DATA_PROLOGUE (_k_task_list, (OPTIONAL),)
_k_event_list_end = .;
} GROUP_DATA_LINK_IN(RAMABLE_REGION, ROMABLE_REGION)
SECTION_PROLOGUE(_k_memory_pool, (OPTIONAL),)
{
*(._k_memory_pool.struct*)
KEEP(*(SORT_BY_NAME("._k_memory_pool.struct*")))
_k_mem_pool_start = .;
*(._k_memory_pool.*)
KEEP(*(SORT_BY_NAME("._k_memory_pool*")))
_k_mem_pool_end = .;
} GROUP_LINK_IN(RAMABLE_REGION)
__data_ram_end = .;
SECTION_PROLOGUE(_BSS_SECTION_NAME,(NOLOAD),) {

2
include/kernel.h
View file

@ -1665,6 +1665,7 @@ __asm__(".macro __do_recurse macro_name, name, n_max\n\t"
* __memory_pool_quad_block_size - sizeof(struct k_mem_pool_quad_block)
*/
__asm__(".macro _build_quad_blocks n_max, name\n\t"
".balign 4\n\t"
"_mem_pool_quad_blocks_\\name\\()_\\n_max:\n\t"
".skip __memory_pool_quad_block_size * \\n_max >> 2\n\t"
".if \\n_max % 4\n\t\t"
@ -1735,6 +1736,7 @@ __asm__(".macro _build_mem_pool name, min_size, max_size, n_max\n\t"
__asm__("__memory_pool_max_block_size = " STRINGIFY(max_size) "\n\t"); \
__asm__(".pushsection ._k_memory_pool.struct,\"aw\"," \
_SECTION_TYPE_SIGN "progbits\n\t"); \
__asm__(".balign 4\n\t"); \
__asm__("_mem_pool_block_sets_" STRINGIFY(name) ":\n\t"); \
__asm__("_build_block_set " STRINGIFY(n_max) " " \
STRINGIFY(name) "\n\t"); \