diff options
Diffstat (limited to 'c/src/lib/libbsp/h8300/h8sim/startup')
| -rw-r--r-- | c/src/lib/libbsp/h8300/h8sim/startup/.cvsignore | 2 | ||||
| -rw-r--r-- | c/src/lib/libbsp/h8300/h8sim/startup/Makefile.am | 39 | ||||
| -rw-r--r-- | c/src/lib/libbsp/h8300/h8sim/startup/__main.c | 22 | ||||
| -rw-r--r-- | c/src/lib/libbsp/h8300/h8sim/startup/bspstart.c | 94 | ||||
| -rw-r--r-- | c/src/lib/libbsp/h8300/h8sim/startup/linkcmds | 94 |
5 files changed, 251 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/h8300/h8sim/startup/.cvsignore b/c/src/lib/libbsp/h8300/h8sim/startup/.cvsignore new file mode 100644 index 0000000000..282522db03 --- /dev/null +++ b/c/src/lib/libbsp/h8300/h8sim/startup/.cvsignore @@ -0,0 +1,2 @@ +Makefile +Makefile.in diff --git a/c/src/lib/libbsp/h8300/h8sim/startup/Makefile.am b/c/src/lib/libbsp/h8300/h8sim/startup/Makefile.am new file mode 100644 index 0000000000..cf040e1aed --- /dev/null +++ b/c/src/lib/libbsp/h8300/h8sim/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 __main.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/h8300/h8sim/startup/__main.c b/c/src/lib/libbsp/h8300/h8sim/startup/__main.c new file mode 100644 index 0000000000..4169cea605 --- /dev/null +++ b/c/src/lib/libbsp/h8300/h8sim/startup/__main.c @@ -0,0 +1,22 @@ +/* + * Copied from newlib 1.8.2 + * + * $Id$ + */ + +void __main () +{ + static int initialized; + if (! initialized) + { + typedef void (*pfunc) (); + extern pfunc __ctors[]; + extern pfunc __ctors_end[]; + pfunc *p; + + initialized = 1; + for (p = __ctors_end; p > __ctors; ) + (*--p) (); + + } +} diff --git a/c/src/lib/libbsp/h8300/h8sim/startup/bspstart.c b/c/src/lib/libbsp/h8300/h8sim/startup/bspstart.c new file mode 100644 index 0000000000..212dd0c8c3 --- /dev/null +++ b/c/src/lib/libbsp/h8300/h8sim/startup/bspstart.c @@ -0,0 +1,94 @@ +/* + * 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; + + 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/h8300/h8sim/startup/linkcmds b/c/src/lib/libbsp/h8300/h8sim/startup/linkcmds new file mode 100644 index 0000000000..5c2982a873 --- /dev/null +++ b/c/src/lib/libbsp/h8300/h8sim/startup/linkcmds @@ -0,0 +1,94 @@ +/* + * $Id$ + */ + +/* + * Declare some sizes. + */ +_RamBase = DEFINED(_RamBase) ? _RamBase : 0x0; +_RamSize = DEFINED(_RamSize) ? _RamSize : 1M; +_HeapSize = DEFINED(_HeapSize) ? _HeapSize : 0x10000; +_StackSize = DEFINED(_StackSize) ? _StackSize : 0x1000; + +ENTRY("_start") +/* The memory size is 256KB to coincide with the simulator. + Don't change either without considering the other. */ +MEMORY +{ + /* 0xc4 is a magic entry. We should have the linker just + skip over it one day... */ + vectors : o = 0x0000, l = 0xc4 + magicvectors : o = 0xc4, l = 0x3c + /* We still only use 256k as the main ram size. */ + ram : o = 0x0100, l = 0x3fefc + /* The stack starts at the top of main ram. */ + topram : o = 0x3fffc, l = 0x4 + /* This holds variables in the "tiny" sections. */ + tiny : o = 0xff8000, l = 0x7f00 + /* At the very top of the address space is the 8-bit area. */ + eight : o = 0xffff00, l = 0x100 +} + + +SECTIONS +{ + .vectors : + { + *(.vectors) + } > vectors + + .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__ = .; +*/ + } >ram + .data SIZEOF(.text) + ADDR(.text): + { + *(.data) + CONSTRUCTORS + _edata = .; + } >ram + .bss SIZEOF(.data) + ADDR(.data): + { + _bss_start = .; + *(.bss) + *(COMMON) + . = ALIGN (64); + . += _StackSize; + _stack_init = .; + _clear_end = .; + _WorkspaceBase = .; + . += 512K; /* reserve some memory for workspace */ + _HeapBase = .; + . += _HeapSize; /* reserve some memory for heap */ + _end = .; + __end = .; + } >ram + .tiny : { + *(.tiny) + } > tiny + .eight : { + *(.eight) + } > eight + .stab 0 (NOLOAD) : { + [ .stab ] + } + .stabstr 0 (NOLOAD) : { + [ .stabstr ] + } + +} |