forked from Imagelibrary/rtems
bsps: Move startup files to bsps
Adjust build support files to new directory layout. This patch is a part of the BSP source reorganization. Update #3285.
This commit is contained in:
Sebastian Huber
22
bsps/sparc/shared/start/bsp_fatal_exit.c
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22
bsps/sparc/shared/start/bsp_fatal_exit.c
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@@ -0,0 +1,22 @@
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/**
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* @file
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* @ingroup sparc_bsp
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* @brief ERC32/LEON2/LEON3 BSP specific exit handler.
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*/
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/*
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* COPYRIGHT (c) 2014.
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* Aeroflex Gaisler AB.
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rtems.org/license/LICENSE.
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*/
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#include <bsp.h>
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#include <rtems/score/cpu.h>
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void BSP_fatal_exit(uint32_t error)
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{
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sparc_syscall_exit(RTEMS_FATAL_SOURCE_BSP, error);
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}
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38
bsps/sparc/shared/start/bsp_fatal_halt.c
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38
bsps/sparc/shared/start/bsp_fatal_halt.c
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@@ -0,0 +1,38 @@
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/**
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* @file
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* @ingroup sparc_bsp
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* @brief ERC32/LEON2 BSP Fatal_halt handler.
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*
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* COPYRIGHT (c) 2014.
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* Aeroflex Gaisler AB.
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rtems.org/license/LICENSE.
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*/
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#include <bsp.h>
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#ifdef BSP_POWER_DOWN_AT_FATAL_HALT
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/* Spin CPU on fatal error exit */
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void _CPU_Fatal_halt(uint32_t source, uint32_t error)
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{
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uint32_t level = sparc_disable_interrupts();
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__asm__ volatile ( "mov %0, %%g1 " : "=r" (level) : "0" (level) );
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while (1) ; /* loop forever */
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}
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#else
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/* return to debugger, simulator, hypervisor or similar by exiting
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* with an error code. g1=1, g2=FATAL_SOURCE, G3=error-code.
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*/
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void _CPU_Fatal_halt(uint32_t source, uint32_t error)
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{
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sparc_syscall_exit(source, error);
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}
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#endif
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63
bsps/sparc/shared/start/bspgetworkarea.c
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63
bsps/sparc/shared/start/bspgetworkarea.c
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@@ -0,0 +1,63 @@
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/*
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* This set of routines are the BSP specific initialization
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* support routines.
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*
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* COPYRIGHT (c) 1989-2008.
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* On-Line Applications Research Corporation (OAR).
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rtems.org/license/LICENSE.
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*/
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/* #define BSP_GET_WORK_AREA_DEBUG */
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#include <bsp.h>
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#include <bsp/bootcard.h>
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#ifdef BSP_GET_WORK_AREA_DEBUG
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#include <rtems/bspIo.h>
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#endif
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/* Tells us where to put the workspace in case remote debugger is present. */
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extern uint32_t rdb_start;
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/*
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* This method returns the base address and size of the area which
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* is to be allocated between the RTEMS Workspace and the C Program
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* Heap.
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*/
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void bsp_work_area_initialize(void)
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{
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/* must be identical to STACK_SIZE in start.S */
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#define STACK_SIZE (16 * 1024)
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/* Early dynamic memory allocator is placed just above _end */
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void *work_area_start = (void *)&end;
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uintptr_t work_area_size =
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(uintptr_t)rdb_start - (uintptr_t)&end - STACK_SIZE;
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/*
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* The following may be helpful in debugging what goes wrong when
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* you are allocating the Work Area in a new BSP.
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*/
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#ifdef BSP_GET_WORK_AREA_DEBUG
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{
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void *sp = __builtin_frame_address(0);
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void *end = *work_area_start + *work_area_size;
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printk(
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"work_area_start = 0x%p\n"
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"work_area_size = %d 0x%08x\n"
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"end = 0x%p\n"
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"current stack pointer = 0x%p%s\n",
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work_area_start,
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work_area_size, /* decimal */
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work_area_size, /* hexadecimal */
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end,
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sp,
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((sp >= *work_area_start && sp <= end) ? " OVERLAPS!" : "")
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);
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printk( "rdb_start = 0x%08x\n", rdb_start );
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}
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#endif
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bsp_work_area_initialize_default(work_area_start, work_area_size);
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}
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207
bsps/sparc/shared/start/linkcmds.base
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207
bsps/sparc/shared/start/linkcmds.base
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@@ -0,0 +1,207 @@
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/* linkcmds
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*/
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OUTPUT_ARCH(sparc)
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__DYNAMIC = 0;
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/*
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* The memory map looks like this:
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* +--------------------+ <- low memory
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* | .text |
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* | etext |
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* | ctor list | the ctor and dtor lists are for
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* | dtor list | C++ support
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* | _endtext |
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* +--------------------+
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* | .data | initialized data goes here
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* | _sdata |
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* | _edata |
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* +--------------------+
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* | .bss |
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* | __bss_start | start of bss, cleared by crt0
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* | _end | start of heap, used by sbrk()
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* +--------------------+
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* | heap space |
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* | _ENDHEAP |
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* | stack space |
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* | __stack | top of stack
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* +--------------------+ <- high memory
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*/
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_RAM_END = _RAM_START + _RAM_SIZE;
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_PROM_END = _PROM_START + _PROM_SIZE;
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/*
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* Alternate names without leading _.
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*/
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PROM_START = _PROM_START;
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PROM_SIZE = _PROM_SIZE;
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PROM_END = _PROM_END;
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RAM_START = _RAM_START;
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RAM_SIZE = _RAM_SIZE;
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RAM_END = _RAM_END;
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/*
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* SPARC monitor assumes this is present to provide proper RTEMS awareness.
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*/
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EXTERN(rtems_get_version_string);
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STARTUP(start.o)
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/*
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* stick everything in ram (of course)
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*/
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SECTIONS
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{
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.text :
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{
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CREATE_OBJECT_SYMBOLS
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text_start = .;
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_text_start = .;
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*(.text*)
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. = ALIGN (16);
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KEEP(*(.eh_frame*))
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. = ALIGN (16);
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*(.gnu.linkonce.t*)
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/*
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* C++ constructors
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*/
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/* gcc uses crtbegin.o to find the start of
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the constructors, so we make sure it is
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first. Because this is a wildcard, it
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doesn't matter if the user does not
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actually link against crtbegin.o; the
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linker won't look for a file to match a
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wildcard. The wildcard also means that it
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doesn't matter which directory crtbegin.o
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is in. */
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KEEP (*crtbegin.o(.ctors))
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KEEP (*crtbegin?.o(.ctors))
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/* We don't want to include the .ctor section from
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the crtend.o file until after the sorted ctors.
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The .ctor section from the crtend file contains the
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end of ctors marker and it must be last */
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KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .ctors))
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KEEP (*(SORT(.ctors.*)))
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KEEP (*(.ctors))
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KEEP (*crtbegin.o(.dtors))
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KEEP (*crtbegin?.o(.dtors))
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KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .dtors))
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KEEP (*(SORT(.dtors.*)))
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KEEP (*(.dtors))
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_rodata_start = . ;
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*(.rodata*)
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*(.gnu.linkonce.r*)
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_erodata = ALIGN( 0x10 ) ;
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etext = ALIGN(0x10);
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_etext = .;
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KEEP(*(.init*))
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KEEP(*(.fini*))
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*(.lit)
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*(.shdata)
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. = ALIGN (16);
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} > ram
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.tdata : {
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_TLS_Data_begin = .;
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*(.tdata .tdata.* .gnu.linkonce.td.*)
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_TLS_Data_end = .;
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} > ram
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.tbss : {
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_TLS_BSS_begin = .;
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*(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon)
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_TLS_BSS_end = .;
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} > ram
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_TLS_Data_size = _TLS_Data_end - _TLS_Data_begin;
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_TLS_Data_begin = _TLS_Data_size != 0 ? _TLS_Data_begin : _TLS_BSS_begin;
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_TLS_Data_end = _TLS_Data_size != 0 ? _TLS_Data_end : _TLS_BSS_begin;
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_TLS_BSS_size = _TLS_BSS_end - _TLS_BSS_begin;
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_TLS_Size = _TLS_BSS_end - _TLS_Data_begin;
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_TLS_Alignment = MAX (ALIGNOF (.tdata), ALIGNOF (.tbss));
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.rtemsroset : {
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/* for pre rtems-libbsd FreeBSD code */
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__start_set_sysctl_set = .;
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KEEP(*(set_sysctl_*));
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__stop_set_sysctl_set = .;
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KEEP(*(set_domain_*));
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KEEP(*(set_pseudo_*));
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KEEP (*(SORT(.rtemsroset.*)))
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. = ALIGN (16);
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_endtext = .;
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} >ram
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.rela.dyn :
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{
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*(.rela.init)
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*(.rela.text .rela.text.* .rela.gnu.linkonce.t.*)
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*(.rela.fini)
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*(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*)
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*(.rela.data .rela.data.* .rela.gnu.linkonce.d.*)
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*(.rela.tdata .rela.tdata.* .rela.gnu.linkonce.td.*)
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*(.rela.tbss .rela.tbss.* .rela.gnu.linkonce.tb.*)
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*(.rela.ctors)
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*(.rela.dtors)
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*(.rela.got)
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*(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*)
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*(.rela.rtemsroset*)
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*(.rela.rtemsrwset*)
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} >ram
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.data :
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{
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data_start = .;
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_data_start = .;
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_sdata = . ;
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*(.data*)
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*(.gnu.linkonce.d*)
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. = ALIGN(0x10);
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*(.gcc_except_table*)
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. = ALIGN(0x10);
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edata = .;
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_edata = .;
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} > ram
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_data_load_start = LOADADDR (.data);
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.rtemsrwset : {
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KEEP (*(SORT(.rtemsrwset.*)))
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} >ram
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.dynamic : { *(.dynamic) } >ram
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.jcr : { *(.jcr) } >ram
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.got : { *(.got) } >ram
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.plt : { *(.plt) } >ram
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.hash : { *(.hash) } >ram
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.dynrel : { *(.dynrel) } >ram
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.dynsym : { *(.dynsym) } >ram
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.dynstr : { *(.dynstr) } >ram
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.hash : { *(.hash) } >ram
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.shbss :
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{
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*(.shbss)
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} > ram
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.bss :
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{
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__bss_start = ALIGN(0x8);
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_bss_start = .;
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bss_start = .;
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*(.bss .bss* .gnu.linkonce.b*)
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*(COMMON)
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. = ALIGN (16);
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end = .;
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_end = ALIGN(0x8);
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__end = ALIGN(0x8);
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} > ram
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.stab . (NOLOAD) :
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{
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[ .stab ]
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}
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.stabstr . (NOLOAD) :
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{
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[ .stabstr ]
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}
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}
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