RTOS/rtems
1
0
Fork 0
forked from Imagelibrary/rtems
Code Pull Requests Activity

bsps: Add .nocacheheap section

Browse Source 
This avoids consumption of a loadable address space for the nocache
heap.
This commit is contained in:
Sebastian Huber
2015-10-08 13:29:56 +02:00
parent 707ecbe4ec
commit bc82094679
6 changed files with 36 additions and 22 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
c/src/lib/libbsp/arm/altera-cyclone-v/startup/bspstart.c
View File

@@ -1,5 +1,5 @@
/*
* Copyright (c) 2013-2014 embedded brains GmbH. All rights reserved.
* Copyright (c) 2013-2015 embedded brains GmbH. All rights reserved.
*
* embedded brains GmbH
* Dornierstr. 4
@@ -22,7 +22,7 @@ void bsp_start( void )
a9mpcore_clock_initialize_early();
bsp_interrupt_initialize();
rtems_cache_coherent_add_area(
bsp_nocache_heap_begin,
(uintptr_t) bsp_nocache_heap_size
bsp_section_nocacheheap_begin,
(uintptr_t) bsp_section_nocacheheap_size
);
}

10
c/src/lib/libbsp/arm/shared/include/linker-symbols.h
View File

@@ -7,7 +7,7 @@
*/
/*
* Copyright (c) 2008-2014 embedded brains GmbH. All rights reserved.
* Copyright (c) 2008-2015 embedded brains GmbH. All rights reserved.
*
* embedded brains GmbH
* Dornierstr. 4
@@ -119,6 +119,10 @@ LINKER_SYMBOL(bsp_section_nocache_size)
LINKER_SYMBOL(bsp_section_nocache_load_begin)
LINKER_SYMBOL(bsp_section_nocache_load_end)
LINKER_SYMBOL(bsp_section_nocacheheap_begin)
LINKER_SYMBOL(bsp_section_nocacheheap_end)
LINKER_SYMBOL(bsp_section_nocacheheap_size)
LINKER_SYMBOL(bsp_vector_table_begin)
LINKER_SYMBOL(bsp_vector_table_end)
LINKER_SYMBOL(bsp_vector_table_size)
@@ -130,10 +134,6 @@ LINKER_SYMBOL(bsp_start_vector_table_size)
LINKER_SYMBOL(bsp_translation_table_base)
LINKER_SYMBOL(bsp_translation_table_end)
LINKER_SYMBOL(bsp_nocache_heap_begin)
LINKER_SYMBOL(bsp_nocache_heap_end)
LINKER_SYMBOL(bsp_nocache_heap_size)
#define BSP_FAST_TEXT_SECTION __attribute__((section(".bsp_fast_text")))
#define BSP_FAST_DATA_SECTION __attribute__((section(".bsp_fast_data")))

15
c/src/lib/libbsp/arm/shared/startup/linkcmds.base
View File

@@ -7,10 +7,10 @@
*/
/*
* Copyright (c) 2008-2014 embedded brains GmbH. All rights reserved.
* Copyright (c) 2008-2015 embedded brains GmbH. All rights reserved.
*
* embedded brains GmbH
* Obere Lagerstr. 30
* Dornierstr. 4
* 82178 Puchheim
* Germany
* <rtems@embedded-brains.de>
@@ -400,16 +400,19 @@ SECTIONS {
.nocache : ALIGN_WITH_INPUT {
bsp_section_nocache_begin = .;
*(SORT(.bsp_nocache*))
bsp_nocache_heap_begin = .;
. += ORIGIN (REGION_NOCACHE) + LENGTH (REGION_NOCACHE) - ABSOLUTE (.);
bsp_nocache_heap_end = .;
bsp_section_nocache_end = .;
} > REGION_NOCACHE AT > REGION_NOCACHE_LOAD
bsp_nocache_heap_size = bsp_nocache_heap_end - bsp_nocache_heap_begin;
bsp_section_nocache_size = bsp_section_nocache_end - bsp_section_nocache_begin;
bsp_section_nocache_load_begin = LOADADDR (.nocache);
bsp_section_nocache_load_end = bsp_section_nocache_load_begin + bsp_section_nocache_size;
.nocacheheap (NOLOAD) : ALIGN_WITH_INPUT {
bsp_section_nocacheheap_begin = .;
. += ORIGIN (REGION_NOCACHE) + LENGTH (REGION_NOCACHE) - ABSOLUTE (.);
bsp_section_nocacheheap_end = .;
} > REGION_NOCACHE AT > REGION_NOCACHE
bsp_section_nocacheheap_size = bsp_section_nocacheheap_end - bsp_section_nocacheheap_begin;
/* FIXME */
RamBase = ORIGIN (REGION_WORK);
RamSize = LENGTH (REGION_WORK);

6
c/src/lib/libbsp/arm/xilinx-zynq/startup/bspstart.c
View File

@@ -1,5 +1,5 @@
/*
* Copyright (c) 2013-2014 embedded brains GmbH. All rights reserved.
* Copyright (c) 2013-2015 embedded brains GmbH. All rights reserved.
*
* embedded brains GmbH
* Dornierstr. 4
@@ -28,7 +28,7 @@ void bsp_start(void)
a9mpcore_clock_initialize_early();
bsp_interrupt_initialize();
rtems_cache_coherent_add_area(
bsp_nocache_heap_begin,
(uintptr_t) bsp_nocache_heap_size
bsp_section_nocacheheap_begin,
(uintptr_t) bsp_section_nocacheheap_size
);
}

8
c/src/lib/libbsp/powerpc/shared/include/linker-symbols.h
View File

@@ -7,10 +7,10 @@
*/
/*
* Copyright (c) 2010-2013 embedded brains GmbH. All rights reserved.
* Copyright (c) 2010-2015 embedded brains GmbH. All rights reserved.
*
* embedded brains GmbH
* Donrierstr. 4
* Dornierstr. 4
* 82178 Puchheim
* Germany
* <rtems@embedded-brains.de>
@@ -99,6 +99,10 @@ LINKER_SYMBOL(bsp_section_nocache_size)
LINKER_SYMBOL(bsp_section_nocache_load_begin)
LINKER_SYMBOL(bsp_section_nocache_load_end)
LINKER_SYMBOL(bsp_section_nocacheheap_begin)
LINKER_SYMBOL(bsp_section_nocacheheap_end)
LINKER_SYMBOL(bsp_section_nocacheheap_size)
LINKER_SYMBOL(bsp_section_nvram_begin)
LINKER_SYMBOL(bsp_section_nvram_end)
LINKER_SYMBOL(bsp_section_nvram_size)

13
c/src/lib/libbsp/powerpc/shared/startup/linkcmds.base
View File

@@ -7,10 +7,10 @@
*/
/*
* Copyright (c) 2011-2013 embedded brains GmbH. All rights reserved.
* Copyright (c) 2011-2015 embedded brains GmbH. All rights reserved.
*
* embedded brains GmbH
* Obere Lagerstr. 30
* Dornierstr. 4
* 82178 Puchheim
* Germany
* <rtems@embedded-brains.de>
@@ -342,11 +342,18 @@ SECTIONS {
bsp_section_nocache_load_begin = LOADADDR (.nocache);
bsp_section_nocache_load_end = bsp_section_nocache_load_begin + bsp_section_nocache_size;
.nocacheheap (NOLOAD) : ALIGN_WITH_INPUT {
bsp_section_nocacheheap_begin = .;
. += ORIGIN (REGION_NOCACHE) + LENGTH (REGION_NOCACHE) - ABSOLUTE (.);
bsp_section_nocacheheap_end = .;
} > REGION_NOCACHE AT > REGION_NOCACHE
bsp_section_nocacheheap_size = bsp_section_nocacheheap_end - bsp_section_nocacheheap_begin;
.nvram (NOLOAD) : ALIGN_WITH_INPUT {
bsp_section_nvram_begin = .;
*(SORT(.bsp_nvram*))
bsp_section_nvram_end = .;
} > REGION_NVRAM
} > REGION_NVRAM AT > REGION_NVRAM
bsp_section_nvram_size = bsp_section_nvram_end - bsp_section_nvram_begin;
/* FIXME */