diff options
author | Joel Sherrill <joel.sherrill@OARcorp.com> | 2000-06-12 16:34:46 +0000 |
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committer | Joel Sherrill <joel.sherrill@OARcorp.com> | 2000-06-12 16:34:46 +0000 |
commit | 68c498f47761a00aee669aeb52a8e473c4d802ba (patch) | |
tree | 79d2517b87d95d739067c9b3764cc6f02496c649 /c/src/lib/libbsp/i960/i960sim/startup | |
parent | Merge lossage. Apparently the DOS/UNIX CRLF issue got lost. (diff) | |
download | rtems-68c498f47761a00aee669aeb52a8e473c4d802ba.tar.bz2 |
Added i960sim BSP which (ignoring the 3 instructions not supported
by gdb 5.0's i960 simulator) is enough to run hello world.
Diffstat (limited to 'c/src/lib/libbsp/i960/i960sim/startup')
-rw-r--r-- | c/src/lib/libbsp/i960/i960sim/startup/Makefile.am | 39 | ||||
-rw-r--r-- | c/src/lib/libbsp/i960/i960sim/startup/bspstart.c | 95 | ||||
-rw-r--r-- | c/src/lib/libbsp/i960/i960sim/startup/linkcmds | 55 |
3 files changed, 189 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/i960/i960sim/startup/Makefile.am b/c/src/lib/libbsp/i960/i960sim/startup/Makefile.am new file mode 100644 index 0000000000..fec84657aa --- /dev/null +++ b/c/src/lib/libbsp/i960/i960sim/startup/Makefile.am @@ -0,0 +1,39 @@ +## +## $Id$ +## + +AUTOMAKE_OPTIONS = foreign 1.4 + +VPATH = @srcdir@:@srcdir@/../../../shared + +PGM = $(ARCH)/startup.rel + +C_FILES = bspclean.c bsplibc.c bsppost.c bspstart.c bootcard.c main.c sbrk.c \ + gnatinstallhandler.c +C_O_FILES = $(C_FILES:%.c=$(ARCH)/%.o) + +OBJS = $(C_O_FILES) + +include $(RTEMS_ROOT)/make/custom/@RTEMS_BSP@.cfg +include $(top_srcdir)/../../../../../../automake/lib.am + +# +# (OPTIONAL) Add local stuff here using += +# + +$(PGM): $(OBJS) + $(make-rel) + +$(PROJECT_RELEASE)/lib/linkcmds: linkcmds + $(INSTALL_DATA) $< $@ + +# the .rel file built here will be put into libbsp.a by ../wrapup/Makefile +TMPINSTALL_FILES += $(PROJECT_RELEASE)/lib/linkcmds + +all-local: $(ARCH) $(OBJS) $(PGM) $(TMPINSTALL_FILES) + +.PRECIOUS: $(PGM) + +EXTRA_DIST = bspclean.c bspstart.c exit.c linkcmds setvec.c + +include $(top_srcdir)/../../../../../../automake/local.am diff --git a/c/src/lib/libbsp/i960/i960sim/startup/bspstart.c b/c/src/lib/libbsp/i960/i960sim/startup/bspstart.c new file mode 100644 index 0000000000..f93fb3c6b9 --- /dev/null +++ b/c/src/lib/libbsp/i960/i960sim/startup/bspstart.c @@ -0,0 +1,95 @@ +/* + * This routine starts the application. It includes application, + * board, and monitor specific initialization and configuration. + * The generic CPU dependent initialization has been performed + * before this routine is invoked. + * + * COPYRIGHT (c) 1989-1999. + * On-Line Applications Research Corporation (OAR). + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://www.OARcorp.com/rtems/license.html. + * + * $Id$ + */ + +#include <bsp.h> +#include <rtems/libio.h> + +#include <libcsupport.h> + +#include <string.h> + +/* + * The original table from the application and our copy of it with + * some changes. + */ + +extern rtems_configuration_table Configuration; + +rtems_configuration_table BSP_Configuration; + +rtems_cpu_table Cpu_table; + +char *rtems_progname; + +/* + * Use the shared implementations of the following routines + */ + +void bsp_postdriver_hook(void); +void bsp_libc_init( void *, unsigned32, int ); + +/* + * Function: bsp_pretasking_hook + * Created: 95/03/10 + * + * Description: + * BSP pretasking hook. Called just before drivers are initialized. + * Used to setup libc and install any BSP extensions. + * + * NOTES: + * Must not use libc (to do io) from here, since drivers are + * not yet initialized. + * + */ + +void bsp_pretasking_hook(void) +{ + extern int HeapBase; + extern int HeapSize; + void *heapStart = &HeapBase; + unsigned long heapSize = (unsigned long)&HeapSize; + unsigned long ramSpace; + + bsp_libc_init(heapStart, heapSize, 0); + +#ifdef RTEMS_DEBUG + rtems_debug_enable( RTEMS_DEBUG_ALL_MASK ); +#endif + +} + +/* + * bsp_start + * + * This routine does the bulk of the system initialization. + */ + +void bsp_start( void ) +{ + extern int _end; + extern int WorkspaceBase; + /* Configure Number of Register Caches */ + + Cpu_table.pretasking_hook = bsp_pretasking_hook; /* init libc, etc. */ + Cpu_table.postdriver_hook = bsp_postdriver_hook; + Cpu_table.interrupt_stack_size = 4096; + Cpu_table.Prcb = 0; /* Prcb; */ + + if ( BSP_Configuration.work_space_size >(512*1024) ) + _sys_exit( 1 ); + + BSP_Configuration.work_space_start = (void *) &WorkspaceBase; +} diff --git a/c/src/lib/libbsp/i960/i960sim/startup/linkcmds b/c/src/lib/libbsp/i960/i960sim/startup/linkcmds new file mode 100644 index 0000000000..1cdbef44cf --- /dev/null +++ b/c/src/lib/libbsp/i960/i960sim/startup/linkcmds @@ -0,0 +1,55 @@ +/* + * $Id$ + */ + +/* + * Declare some sizes. + */ +_RamBase = DEFINED(_RamBase) ? _RamBase : 0x0; +_RamSize = DEFINED(_RamSize) ? _RamSize : 1M; +_HeapSize = DEFINED(_HeapSize) ? _HeapSize : 0x10000; +_StackSize = DEFINED(_StackSize) ? _StackSize : 0x1000; + +SECTIONS +{ + . = 0xa0008000; + .text : + { + CREATE_OBJECT_SYMBOLS + *(.text) + _etext = .; + + ___CTOR_LIST__ = .; + LONG((___CTOR_END__ - ___CTOR_LIST__) / 4 - 2) + *(.ctors) + LONG(0) + ___CTOR_END__ = .; + ___DTOR_LIST__ = .; + LONG((___DTOR_END__ - ___DTOR_LIST__) / 4 - 2) + *(.dtors) + LONG(0) + ___DTOR_END__ = .; + } + .data SIZEOF(.text) + ADDR(.text): + { + *(.data) + CONSTRUCTORS + _edata = .; + } + .bss SIZEOF(.data) + ADDR(.data): + { + _bss_start = .; + *(.bss) + *(COMMON) + . = ALIGN (64); + _stack_init = .; + . += _StackSize; + _clear_end = .; + _WorkspaceBase = .; + . += 512K; /* reserve some memory for workspace */ + _HeapBase = .; + . += _HeapSize; /* reserve some memory for heap */ + _end = .; + __end = .; + } +} |