From 6440903c48460f4ad40bcdeb31e619e555a394e5 Mon Sep 17 00:00:00 2001 From: Sebastian Huber Date: Thu, 5 Dec 2013 10:26:08 +0100 Subject: bsps/m68k: Add and use linkcmds.base --- c/src/lib/libbsp/m68k/Makefile.am | 6 + c/src/lib/libbsp/m68k/genmcf548x/Makefile.am | 12 +- c/src/lib/libbsp/m68k/genmcf548x/include/bsp.h | 2 - c/src/lib/libbsp/m68k/genmcf548x/preinstall.am | 20 +- c/src/lib/libbsp/m68k/genmcf548x/start/start.S | 7 +- .../lib/libbsp/m68k/genmcf548x/startup/init548x.c | 47 ++-- .../m68k/genmcf548x/startup/linkcmds.COBRA5475 | 164 +---------- .../genmcf548x/startup/linkcmds.m5484FireEngine | 164 +---------- .../startup/linkcmds.m5484FireEngine.flash | 165 +---------- c/src/lib/libbsp/m68k/preinstall.am | 33 +++ .../libbsp/m68k/shared/include/linker-symbols.h | 84 ++++++ c/src/lib/libbsp/m68k/shared/startup/linkcmds.base | 313 +++++++++++++++++++++ 12 files changed, 503 insertions(+), 514 deletions(-) create mode 100644 c/src/lib/libbsp/m68k/preinstall.am create mode 100644 c/src/lib/libbsp/m68k/shared/include/linker-symbols.h create mode 100644 c/src/lib/libbsp/m68k/shared/startup/linkcmds.base diff --git a/c/src/lib/libbsp/m68k/Makefile.am b/c/src/lib/libbsp/m68k/Makefile.am index 1544a09e88..2509d7007d 100644 --- a/c/src/lib/libbsp/m68k/Makefile.am +++ b/c/src/lib/libbsp/m68k/Makefile.am @@ -3,6 +3,11 @@ ACLOCAL_AMFLAGS = -I ../../../aclocal ## Descend into the @RTEMS_BSP_FAMILY@ directory SUBDIRS = @RTEMS_BSP_FAMILY@ +include_bspdir = $(includedir)/bsp +include_bsp_HEADERS = shared/include/linker-symbols.h + +dist_project_lib_DATA = shared/startup/linkcmds.base + EXTRA_DIST = shared/m68kpretaskinghook.c EXTRA_DIST += ../shared/setvec.c EXTRA_DIST += shared/start.S @@ -13,5 +18,6 @@ EXTRA_DIST += shared/mvme/mvme16x_hw.h EXTRA_DIST += shared/gdbstub/m68k-stub.c shared/gdbstub/gdb_if.h +include $(srcdir)/preinstall.am include $(top_srcdir)/../../../automake/subdirs.am include $(top_srcdir)/../../../automake/local.am diff --git a/c/src/lib/libbsp/m68k/genmcf548x/Makefile.am b/c/src/lib/libbsp/m68k/genmcf548x/Makefile.am index 0cd50c21d4..6a7cfd9faa 100644 --- a/c/src/lib/libbsp/m68k/genmcf548x/Makefile.am +++ b/c/src/lib/libbsp/m68k/genmcf548x/Makefile.am @@ -4,8 +4,6 @@ include $(top_srcdir)/../../../../automake/compile.am include_bspdir = $(includedir)/bsp -dist_project_lib_DATA = bsp_specs - include_HEADERS = include/bsp.h include_HEADERS += include/tm27.h @@ -18,12 +16,14 @@ include_HEADERS += ../../shared/include/coverhd.h noinst_LIBRARIES = libbspstart.a libbspstart_a_SOURCES = start/start.S -project_lib_DATA = start.$(OBJEXT) +dist_project_lib_DATA = bsp_specs +dist_project_lib_DATA += startup/linkcmds.m5484FireEngine.flash +dist_project_lib_DATA += startup/linkcmds.COBRA5475 +dist_project_lib_DATA += startup/linkcmds.m5484FireEngine + +project_lib_DATA = start.$(OBJEXT) project_lib_DATA += startup/linkcmds -EXTRA_DIST = startup/linkcmds.m5484FireEngine.flash -EXTRA_DIST += startup/linkcmds.COBRA5475 -EXTRA_DIST += startup/linkcmds.m5484FireEngine noinst_LIBRARIES += libbsp.a libbsp_a_SOURCES = diff --git a/c/src/lib/libbsp/m68k/genmcf548x/include/bsp.h b/c/src/lib/libbsp/m68k/genmcf548x/include/bsp.h index 0379d69ef1..9f16d9d54f 100644 --- a/c/src/lib/libbsp/m68k/genmcf548x/include/bsp.h +++ b/c/src/lib/libbsp/m68k/genmcf548x/include/bsp.h @@ -76,8 +76,6 @@ extern int rtems_fec_driver_attach (struct rtems_bsdnet_ifconfig *config, int at /* define which port the console should use - all other ports are then defined as general purpose */ #define CONSOLE_PORT 0 -#define RAM_END 0x4000000 /* 64 MB */ - /* functions */ uint32_t get_CPU_clock_speed(void); diff --git a/c/src/lib/libbsp/m68k/genmcf548x/preinstall.am b/c/src/lib/libbsp/m68k/genmcf548x/preinstall.am index d6a779e080..8c86e37d70 100644 --- a/c/src/lib/libbsp/m68k/genmcf548x/preinstall.am +++ b/c/src/lib/libbsp/m68k/genmcf548x/preinstall.am @@ -33,10 +33,6 @@ $(PROJECT_INCLUDE)/bsp/$(dirstamp): @: > $(PROJECT_INCLUDE)/bsp/$(dirstamp) PREINSTALL_DIRS += $(PROJECT_INCLUDE)/bsp/$(dirstamp) -$(PROJECT_LIB)/bsp_specs: bsp_specs $(PROJECT_LIB)/$(dirstamp) - $(INSTALL_DATA) $< $(PROJECT_LIB)/bsp_specs -PREINSTALL_FILES += $(PROJECT_LIB)/bsp_specs - $(PROJECT_INCLUDE)/bsp.h: include/bsp.h $(PROJECT_INCLUDE)/$(dirstamp) $(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp.h PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp.h @@ -57,6 +53,22 @@ $(PROJECT_INCLUDE)/coverhd.h: ../../shared/include/coverhd.h $(PROJECT_INCLUDE)/ $(INSTALL_DATA) $< $(PROJECT_INCLUDE)/coverhd.h PREINSTALL_FILES += $(PROJECT_INCLUDE)/coverhd.h +$(PROJECT_LIB)/bsp_specs: bsp_specs $(PROJECT_LIB)/$(dirstamp) + $(INSTALL_DATA) $< $(PROJECT_LIB)/bsp_specs +PREINSTALL_FILES += $(PROJECT_LIB)/bsp_specs + +$(PROJECT_LIB)/linkcmds.m5484FireEngine.flash: startup/linkcmds.m5484FireEngine.flash $(PROJECT_LIB)/$(dirstamp) + $(INSTALL_DATA) $< $(PROJECT_LIB)/linkcmds.m5484FireEngine.flash +PREINSTALL_FILES += $(PROJECT_LIB)/linkcmds.m5484FireEngine.flash + +$(PROJECT_LIB)/linkcmds.COBRA5475: startup/linkcmds.COBRA5475 $(PROJECT_LIB)/$(dirstamp) + $(INSTALL_DATA) $< $(PROJECT_LIB)/linkcmds.COBRA5475 +PREINSTALL_FILES += $(PROJECT_LIB)/linkcmds.COBRA5475 + +$(PROJECT_LIB)/linkcmds.m5484FireEngine: startup/linkcmds.m5484FireEngine $(PROJECT_LIB)/$(dirstamp) + $(INSTALL_DATA) $< $(PROJECT_LIB)/linkcmds.m5484FireEngine +PREINSTALL_FILES += $(PROJECT_LIB)/linkcmds.m5484FireEngine + $(PROJECT_LIB)/start.$(OBJEXT): start.$(OBJEXT) $(PROJECT_LIB)/$(dirstamp) $(INSTALL_DATA) $< $(PROJECT_LIB)/start.$(OBJEXT) TMPINSTALL_FILES += $(PROJECT_LIB)/start.$(OBJEXT) diff --git a/c/src/lib/libbsp/m68k/genmcf548x/start/start.S b/c/src/lib/libbsp/m68k/genmcf548x/start/start.S index bbfbef9615..1b6f1dad76 100644 --- a/c/src/lib/libbsp/m68k/genmcf548x/start/start.S +++ b/c/src/lib/libbsp/m68k/genmcf548x/start/start.S @@ -47,6 +47,7 @@ | Includes | \*===============================================================*/ #include +#include /*===============================================================*\ | External references | @@ -57,7 +58,6 @@ .extern _CoreSramSize1 .extern mcf548x_init .extern boot_card -.extern _SpInit /*===============================================================*\ | Global symbols | @@ -75,7 +75,7 @@ .section ".vectors","ax" /* begin of vectors section */ PUBLIC (InterruptVectorTable) SYM(InterruptVectorTable): -INITSP: .long _SpInit /* Initial SP */ +INITSP: .long bsp_initstack_end /* Initial SP */ INITPC: .long start /* Initial PC */ vector002: .long asm_default_interrupt /* Access Error */ vector003: .long asm_default_interrupt /* Address Error */ @@ -335,6 +335,7 @@ vector255: .long asm_default_interrupt /*===============================================================*\ | Start of code | \*===============================================================*/ +.text PUBLIC (start) SYM(start): move.w #0x3700,sr /* disable interrupts */ @@ -410,7 +411,7 @@ SYM(start_init): jsr mcf548x_init /* Initialize mcf548x peripherals */ - move.l #_SpInit,sp /* relocate sp */ + move.l #bsp_initstack_end,sp /* relocate sp */ clrl d0 /* clear d0 */ movel d0,a7@- /* command line == 0 */ diff --git a/c/src/lib/libbsp/m68k/genmcf548x/startup/init548x.c b/c/src/lib/libbsp/m68k/genmcf548x/startup/init548x.c index 7f2646d7d3..3a9d002cf3 100644 --- a/c/src/lib/libbsp/m68k/genmcf548x/startup/init548x.c +++ b/c/src/lib/libbsp/m68k/genmcf548x/startup/init548x.c @@ -43,9 +43,12 @@ | | \*===============================================================*/ -#include #include +#include + +#include + #if defined(HAS_LOW_LEVEL_INIT) #define SYSTEM_PERIOD 10 /* system bus period in ns */ @@ -66,8 +69,6 @@ extern uint8_t _BssEnd[]; extern uint8_t _BootFlashBase[]; extern uint8_t _CodeFlashBase[]; extern uint8_t RamBase[]; -extern uint32_t InterruptVectorTable[]; -extern uint32_t _VectorRam[]; void gpio_init(void); void fbcs_init(void); @@ -77,9 +78,6 @@ void mcf548x_init(void); void mcf548x_init(void) { - uint32_t n; - uint8_t *dp, *sp; - #if defined(HAS_LOW_LEVEL_INIT) /* set XLB arbiter timeouts */ MCF548X_XLB_ADRTO = 0x00000100; @@ -93,36 +91,23 @@ void mcf548x_init(void) sdramc_init(); #endif /* defined(HAS_LOW_LEVEL_INIT) */ - /* Copy the vector table to RAM */ - if (_VectorRam != InterruptVectorTable) - { - for( n = 0; n < 256; n++) - { - _VectorRam[n] = InterruptVectorTable[n]; - } + /* Copy the vector table to RAM if necessary */ + if (bsp_vector0_size == bsp_vector1_size) { + memcpy(bsp_vector1_begin, bsp_vector0_begin, (size_t) bsp_vector1_size); + m68k_set_vbr((uint32_t)bsp_vector1_begin); } - m68k_set_vbr((uint32_t)_VectorRam); - /* Move initialized data from ROM to RAM. */ - if (_DataRom != _DataRam) - { - n = _DataEnd - _DataRam; - sp = (uint8_t *)_DataRom; - dp = (uint8_t *)_DataRam; - while(n--) - *dp++ = *sp++; - } - - /* Zero uninitialized data */ - if (_BssStart != _BssEnd) - { - n = _BssEnd - _BssStart; - sp = (uint8_t *)_BssStart; - while (n--) - *sp++ = 0; + if (bsp_section_data_begin != bsp_section_data_load_begin) { + memcpy( + bsp_section_data_begin, + bsp_section_data_load_begin, + (size_t) bsp_section_data_size + ); } + /* Zero uninitialized data */ + memset(bsp_section_bss_begin, 0, (size_t) bsp_section_bss_size); } /********************************************************************/ #if defined(HAS_LOW_LEVEL_INIT) diff --git a/c/src/lib/libbsp/m68k/genmcf548x/startup/linkcmds.COBRA5475 b/c/src/lib/libbsp/m68k/genmcf548x/startup/linkcmds.COBRA5475 index 468c41abb4..3460cbe967 100644 --- a/c/src/lib/libbsp/m68k/genmcf548x/startup/linkcmds.COBRA5475 +++ b/c/src/lib/libbsp/m68k/genmcf548x/startup/linkcmds.COBRA5475 @@ -62,169 +62,21 @@ _CoreSramSize1 = DEFINED(_CoreSramSize1) ? _CoreSramSize1 : (4 * 1024); _BootFlashBase = DEFINED(_BootFlashBase) ? _BootFlashBase : 0xFC000000; _BootFlashSize = DEFINED(_BootFlashSize) ? _BootFlashSize : (32 * 1024*1024); -_VectorRam = DEFINED(_VectorRam) ? _VectorRam : _SdramBase; -_DataRam = DEFINED(_DataRam) ? _DataRam : _data_dest_start; -_DataRom = DEFINED(_DataRom) ? _DataRom : _data_src_start; -_DataEnd = DEFINED(_DataEnd) ? _DataEnd : _data_dest_end; -_BssStart = DEFINED(_BssStart) ? _BssStart : _clear_start; -_BssEnd = DEFINED(_BssEnd) ? _BssEnd : _clear_end; -_SpInit = DEFINED(_SpInit) ? _SpInit : _EndInitStackSpace; +bsp_initstack_size = DEFINED(StackSize) ? StackSize : 0x800; /* 2 kB */ -_InitStackSize = DEFINED(StackSize) ? StackSize : 0x800; /* 2 kB */ -_TopRamReserved = DEFINED(_TopRamReserved) ? _TopRamReserved : 0; - -RamBase = DEFINED(_SdramBase) ? _SdramBase : _SdramBase; -RamSize = DEFINED(_SdramSize) ? _SdramSize : _SdramSize; -HeapSize = DEFINED(HeapSize) ? HeapSize : 0x0; -_VBR = DEFINED(_VBR) ? _VBR : RamBase; +_VBR = DEFINED(_VBR) ? _VBR : _SdramBase; __MBAR = DEFINED(__MBAR) ? __MBAR : 0xFE000000; -ENTRY(start) MEMORY { - sdram : ORIGIN = 0xF0040000, LENGTH = 128M - 256K + sdram : ORIGIN = 0xF0000000, LENGTH = 128M boot_flash : ORIGIN = 0xFC000000, LENGTH = 32M } -SECTIONS -{ - - _header_offset = 0; - - /* - * Text, data and bss segments .vectors - */ - .vectors : { - *(.vectors*) - } >sdram - .text : { - - *(.text*) - *(.ram_code) - - /* - * C++ constructors/destructors - */ - *(.gnu.linkonce.t.*) - - /* - * Initialization and finalization code. - * - * Various files can provide initialization and finalization - * functions. crtbegin.o and crtend.o are two instances. The - * body of these functions are in .init and .fini sections. We - * accumulate the bodies here, and prepend function prologues - * from crti.o and function epilogues from crtn.o. crti.o must - * be linked first; crtn.o must be linked last. Because these - * are wildcards, it doesn't matter if the user does not - * actually link against crti.o and crtn.o; the linker won't - * look for a file to match a wildcard. The wildcard also - * means that it doesn't matter which directory crti.o and - * crtn.o are in. - */ - PROVIDE (_init = .); - *crti.o(.init) - *(.init) - *crtn.o(.init) - PROVIDE (_fini = .); - *crti.o(.fini) - *(.fini) - *crtn.o(.fini) - - /* - * Special FreeBSD sysctl sections. - */ - . = ALIGN (16); - __start_set_sysctl_set = .; - *(set_sysctl_*); - __stop_set_sysctl_set = ABSOLUTE(.); - *(set_domain_*); - *(set_pseudo_*); - +REGION_ALIAS ("REGION_TEXT", sdram); +REGION_ALIAS ("REGION_TEXT_LOAD", sdram); +REGION_ALIAS ("REGION_DATA", sdram); +REGION_ALIAS ("REGION_DATA_LOAD", sdram); - /* - * C++ constructors/destructors - * - * gcc uses crtbegin.o to find the start of the constructors - * and destructors so we make sure it is first. Because this - * is a wildcard, it doesn't matter if the user does not - * actually link against crtbegin.o; the linker won't look for - * a file to match a wildcard. The wildcard also means that - * it doesn't matter which directory crtbegin.o is in. The - * constructor and destructor list are terminated in - * crtend.o. The same comments apply to it. - */ - . = ALIGN (16); - *crtbegin.o(.ctors) - *(.ctors) - *crtend.o(.ctors) - *crtbegin.o(.dtors) - *(.dtors) - *crtend.o(.dtors) - - /* - * Exception frame info - */ - . = ALIGN (16); - *(.eh_frame) - - /* - * Read-only data - */ - . = ALIGN (16); - _rodata_start = . ; - *(.rodata*) - *(.gnu.linkonce.r*) - - . = ALIGN (16); - - *(.console_gdb_xfer) - *(.bootstrap_data) - . = ALIGN(16); - _estuff = .; - PROVIDE (_etext = .); - } >sdram - - .data : { - /*.data : {*/ - PROVIDE( _data_dest_start = . ); - PROVIDE( _copy_start = .); - *(.data*) - *(.gnu.linkonce.d*) - *(.gcc_except_table*) - *(.jcr) - . = ALIGN (16); - PROVIDE (_edata = .); - PROVIDE (_copy_end = .); - PROVIDE (_data_dest_end = . ); - } >sdram - - _data_src_start = _etext; /*LOADADDR(.data);*/ - _data_src_end = _data_src_start + SIZEOF(.data); - - .bss : { - PROVIDE (_clear_start = .); - *(.bss*) - *(COMMON) - . = ALIGN (16); - PROVIDE (end = .); - PROVIDE (_clear_end = .); - . = ALIGN (4); - PROVIDE (_StartInitStackSpace = .); - /*. = _StartInitStackSpace + _InitStackSize;*/ - . += _InitStackSize; - PROVIDE (_EndInitStackSpace = .); - PROVIDE (WorkAreaBase = .); - } >sdram - /* Stabs debugging sections. */ - .stab 0 : { *(.stab) } - .stabstr 0 : { *(.stabstr) } - .stab.excl 0 : { *(.stab.excl) } - .stab.exclstr 0 : { *(.stab.exclstr) } - .stab.index 0 : { *(.stab.index) } - .stab.indexstr 0 : { *(.stab.indexstr) } - .comment 0 : { *(.comment) } - -PROVIDE (end_of_all = .); -} +INCLUDE linkcmds.base diff --git a/c/src/lib/libbsp/m68k/genmcf548x/startup/linkcmds.m5484FireEngine b/c/src/lib/libbsp/m68k/genmcf548x/startup/linkcmds.m5484FireEngine index a2e92a8cb0..b1531f6cf8 100644 --- a/c/src/lib/libbsp/m68k/genmcf548x/startup/linkcmds.m5484FireEngine +++ b/c/src/lib/libbsp/m68k/genmcf548x/startup/linkcmds.m5484FireEngine @@ -63,170 +63,22 @@ _BootFlashSize = DEFINED(_BootFlashSize) ? _BootFlashSize : (2 * 1024*1024); _CodeFlashBase = DEFINED(_CodeFlashBase) ? _CodeFlashBase : 0xE0000000; _CodeFlashSize = DEFINED(_CodeFlashSize) ? _CodeFlashSize : (16 * 1024*1024); -_VectorRam = DEFINED(_VectorRam) ? _VectorRam : _SdramBase; -_DataRam = DEFINED(_DataRam) ? _DataRam : _data_dest_start; -_DataRom = DEFINED(_DataRom) ? _DataRom : _data_src_start; -_DataEnd = DEFINED(_DataEnd) ? _DataEnd : _data_dest_end; -_BssStart = DEFINED(_BssStart) ? _BssStart : _clear_start; -_BssEnd = DEFINED(_BssEnd) ? _BssEnd : _clear_end; -_SpInit = DEFINED(_SpInit) ? _SpInit : _EndInitStackSpace; +bsp_initstack_size = DEFINED(StackSize) ? StackSize : 0x800; /* 2 kB */ -_InitStackSize = DEFINED(StackSize) ? StackSize : 0x800; /* 2 kB */ -_TopRamReserved = DEFINED(_TopRamReserved) ? _TopRamReserved : 0; - -RamBase = DEFINED(_SdramBase) ? _SdramBase : _SdramBase; -RamSize = DEFINED(_SdramSize) ? _SdramSize : _SdramSize; -HeapSize = DEFINED(HeapSize) ? HeapSize : 0x0; -_VBR = DEFINED(_VBR) ? _VBR : RamBase; +_VBR = DEFINED(_VBR) ? _VBR : _SdramBase; __MBAR = DEFINED(__MBAR) ? __MBAR : 0x10000000; -ENTRY(start) MEMORY { - sdram : ORIGIN = 0x400 , LENGTH = 64M - 0x400 + sdram : ORIGIN = 0x00000000, LENGTH = 64M code_flash : ORIGIN = 0xE0000000, LENGTH = 16M boot_flash : ORIGIN = 0xFF800000, LENGTH = 2M } -SECTIONS -{ - - _header_offset = 0; - - /* - * Text, data and bss segments .vectors - */ - .vectors : { - *(.vectors*) - } >sdram - .text : { - - *(.text*) - *(.ram_code) - - /* - * C++ constructors/destructors - */ - *(.gnu.linkonce.t.*) - - /* - * Initialization and finalization code. - * - * Various files can provide initialization and finalization - * functions. crtbegin.o and crtend.o are two instances. The - * body of these functions are in .init and .fini sections. We - * accumulate the bodies here, and prepend function prologues - * from crti.o and function epilogues from crtn.o. crti.o must - * be linked first; crtn.o must be linked last. Because these - * are wildcards, it doesn't matter if the user does not - * actually link against crti.o and crtn.o; the linker won't - * look for a file to match a wildcard. The wildcard also - * means that it doesn't matter which directory crti.o and - * crtn.o are in. - */ - PROVIDE (_init = .); - *crti.o(.init) - *(.init) - *crtn.o(.init) - PROVIDE (_fini = .); - *crti.o(.fini) - *(.fini) - *crtn.o(.fini) - - /* - * Special FreeBSD sysctl sections. - */ - . = ALIGN (16); - __start_set_sysctl_set = .; - *(set_sysctl_*); - __stop_set_sysctl_set = ABSOLUTE(.); - *(set_domain_*); - *(set_pseudo_*); - +REGION_ALIAS ("REGION_TEXT", sdram); +REGION_ALIAS ("REGION_TEXT_LOAD", sdram); +REGION_ALIAS ("REGION_DATA", sdram); +REGION_ALIAS ("REGION_DATA_LOAD", sdram); - /* - * C++ constructors/destructors - * - * gcc uses crtbegin.o to find the start of the constructors - * and destructors so we make sure it is first. Because this - * is a wildcard, it doesn't matter if the user does not - * actually link against crtbegin.o; the linker won't look for - * a file to match a wildcard. The wildcard also means that - * it doesn't matter which directory crtbegin.o is in. The - * constructor and destructor list are terminated in - * crtend.o. The same comments apply to it. - */ - . = ALIGN (16); - *crtbegin.o(.ctors) - *(.ctors) - *crtend.o(.ctors) - *crtbegin.o(.dtors) - *(.dtors) - *crtend.o(.dtors) - - /* - * Exception frame info - */ - . = ALIGN (16); - *(.eh_frame) - - /* - * Read-only data - */ - . = ALIGN (16); - _rodata_start = . ; - *(.rodata*) - *(.gnu.linkonce.r*) - - . = ALIGN (16); - - *(.console_gdb_xfer) - *(.bootstrap_data) - . = ALIGN(16); - _estuff = .; - PROVIDE (_etext = .); - } >sdram - - .data : { - /*.data : {*/ - PROVIDE( _data_dest_start = . ); - PROVIDE( _copy_start = .); - *(.data*) - *(.gnu.linkonce.d*) - *(.gcc_except_table*) - *(.jcr) - . = ALIGN (16); - PROVIDE (_edata = .); - PROVIDE (_copy_end = .); - PROVIDE (_data_dest_end = . ); - } >sdram - - _data_src_start = _etext; /*LOADADDR(.data);*/ - _data_src_end = _data_src_start + SIZEOF(.data); - - .bss : { - PROVIDE (_clear_start = .); - *(.bss*) - *(COMMON) - . = ALIGN (16); - PROVIDE (end = .); - PROVIDE (_clear_end = .); - . = ALIGN (4); - PROVIDE (_StartInitStackSpace = .); - /*. = _StartInitStackSpace + _InitStackSize;*/ - . += _InitStackSize; - PROVIDE (_EndInitStackSpace = .); - PROVIDE (WorkAreaBase = .); - } >sdram - /* Stabs debugging sections. */ - .stab 0 : { *(.stab) } - .stabstr 0 : { *(.stabstr) } - .stab.excl 0 : { *(.stab.excl) } - .stab.exclstr 0 : { *(.stab.exclstr) } - .stab.index 0 : { *(.stab.index) } - .stab.indexstr 0 : { *(.stab.indexstr) } - .comment 0 : { *(.comment) } - -PROVIDE (end_of_all = .); -} +INCLUDE linkcmds.base diff --git a/c/src/lib/libbsp/m68k/genmcf548x/startup/linkcmds.m5484FireEngine.flash b/c/src/lib/libbsp/m68k/genmcf548x/startup/linkcmds.m5484FireEngine.flash index d08470730f..f828b71f5d 100644 --- a/c/src/lib/libbsp/m68k/genmcf548x/startup/linkcmds.m5484FireEngine.flash +++ b/c/src/lib/libbsp/m68k/genmcf548x/startup/linkcmds.m5484FireEngine.flash @@ -63,169 +63,22 @@ _BootFlashSize = DEFINED(_BootFlashSize) ? _BootFlashSize : (2 * 1024 * 1024); _CodeFlashBase = DEFINED(_CodeFlashBase) ? _CodeFlashBase : 0xE0000000; _CodeFlashSize = DEFINED(_CodeFlashSize) ? _CodeFlashSize : (16 * 1024 * 1024); -_VectorRam = DEFINED(_VectorRam) ? _VectorRam : _SdramBase; -_DataRam = DEFINED(_DataRam) ? _DataRam : _data_dest_start; -_DataRom = DEFINED(_DataRom) ? _DataRom : _data_src_start; -_DataEnd = DEFINED(_DataEnd) ? _DataEnd : _data_dest_end; -_BssStart = DEFINED(_BssStart) ? _BssStart : _clear_start; -_BssEnd = DEFINED(_BssEnd) ? _BssEnd : _clear_end; -_SpInit = DEFINED(_SpInit) ? _SpInit : _EndInitStackSpace; -_InitStackSize = DEFINED(StackSize) ? StackSize : 0x2000; /* 8 kB */ -_TopRamReserved= DEFINED(_TopRamReserved) ? _TopRamReserved : 0; +bsp_initstack_size = DEFINED(StackSize) ? StackSize : 0x800; /* 2 kB */ -RamBase = DEFINED(_SdramBase) ? _SdramBase : _SdramBase; -RamSize = DEFINED(_SdramSize) ? _SdramSize : _SdramSize; -HeapSize = DEFINED(HeapSize) ? HeapSize : 0x0; -_VBR = DEFINED(_VBR) ? _VBR : RamBase; +_VBR = DEFINED(_VBR) ? _VBR : _SdramBase; -__MBAR = DEFINED(__MBAR) ? __MBAR : 0x10000000; +__MBAR = DEFINED(__MBAR) ? __MBAR : 0x10000000; -ENTRY(start) MEMORY { - sdram : ORIGIN = 0x400 , LENGTH = 64M - 0x400 + sdram : ORIGIN = 0x00000000, LENGTH = 64M code_flash : ORIGIN = 0xE0000000, LENGTH = 16M boot_flash : ORIGIN = 0xFF800000, LENGTH = 2M } -SECTIONS -{ - - _header_offset = 0; - - /* - * Text, data and bss segments .vectors - */ - .vectors : { - *(.vectors*) - } >boot_flash - .text : { - - *(.text*) - *(.ram_code) - - /* - * C++ constructors/destructors - */ - *(.gnu.linkonce.t.*) - - /* - * Initialization and finalization code. - * - * Various files can provide initialization and finalization - * functions. crtbegin.o and crtend.o are two instances. The - * body of these functions are in .init and .fini sections. We - * accumulate the bodies here, and prepend function prologues - * from crti.o and function epilogues from crtn.o. crti.o must - * be linked first; crtn.o must be linked last. Because these - * are wildcards, it doesn't matter if the user does not - * actually link against crti.o and crtn.o; the linker won't - * look for a file to match a wildcard. The wildcard also - * means that it doesn't matter which directory crti.o and - * crtn.o are in. - */ - PROVIDE (_init = .); - *crti.o(.init) - *(.init) - *crtn.o(.init) - PROVIDE (_fini = .); - *crti.o(.fini) - *(.fini) - *crtn.o(.fini) - - /* - * Special FreeBSD sysctl sections. - */ - . = ALIGN (16); - __start_set_sysctl_set = .; - *(set_sysctl_*); - __stop_set_sysctl_set = ABSOLUTE(.); - *(set_domain_*); - *(set_pseudo_*); - - - /* - * C++ constructors/destructors - * - * gcc uses crtbegin.o to find the start of the constructors - * and destructors so we make sure it is first. Because this - * is a wildcard, it doesn't matter if the user does not - * actually link against crtbegin.o; the linker won't look for - * a file to match a wildcard. The wildcard also means that - * it doesn't matter which directory crtbegin.o is in. The - * constructor and destructor list are terminated in - * crtend.o. The same comments apply to it. - */ - . = ALIGN (16); - *crtbegin.o(.ctors) - *(.ctors) - *crtend.o(.ctors) - *crtbegin.o(.dtors) - *(.dtors) - *crtend.o(.dtors) +REGION_ALIAS ("REGION_TEXT", boot_flash); +REGION_ALIAS ("REGION_TEXT_LOAD", boot_flash); +REGION_ALIAS ("REGION_DATA", sdram); +REGION_ALIAS ("REGION_DATA_LOAD", boot_flash); - /* - * Exception frame info - */ - . = ALIGN (16); - *(.eh_frame) - - /* - * Read-only data - */ - . = ALIGN (16); - _rodata_start = . ; - *(.rodata*) - *(.gnu.linkonce.r*) - - . = ALIGN (16); - - *(.console_gdb_xfer) - *(.bootstrap_data) - . = ALIGN(16); - _estuff = .; - PROVIDE (_etext = .); - } >boot_flash - - .data : AT(LOADADDR(.text) + SIZEOF(.text)) { - /*.data : {*/ - PROVIDE( _data_dest_start = . ); - PROVIDE( _copy_start = .); - *(.data*) - *(.gnu.linkonce.d*) - *(.gcc_except_table*) - *(.jcr) - . = ALIGN (16); - PROVIDE (_edata = .); - PROVIDE (_copy_end = .); - PROVIDE (_data_dest_end = . ); - } >sdram - - _data_src_start = _etext; /*LOADADDR(.data);*/ - _data_src_end = _data_src_start + SIZEOF(.data); - - .bss : { - PROVIDE (_clear_start = .); - *(.bss*) - *(COMMON) - . = ALIGN (16); - PROVIDE (end = .); - PROVIDE (_clear_end = .); - . = ALIGN (4); - PROVIDE (_StartInitStackSpace = .); - /*. = _StartInitStackSpace + _InitStackSize;*/ - . += _InitStackSize; - PROVIDE (_EndInitStackSpace = .); - PROVIDE (WorkAreaBase = .); - } >sdram - /* Stabs debugging sections. */ - .stab 0 : { *(.stab) } - .stabstr 0 : { *(.stabstr) } - .stab.excl 0 : { *(.stab.excl) } - .stab.exclstr 0 : { *(.stab.exclstr) } - .stab.index 0 : { *(.stab.index) } - .stab.indexstr 0 : { *(.stab.indexstr) } - .comment 0 : { *(.comment) } - -PROVIDE (end_of_all = .); -} +INCLUDE linkcmds.base diff --git a/c/src/lib/libbsp/m68k/preinstall.am b/c/src/lib/libbsp/m68k/preinstall.am new file mode 100644 index 0000000000..97c38e214f --- /dev/null +++ b/c/src/lib/libbsp/m68k/preinstall.am @@ -0,0 +1,33 @@ +## Automatically generated by ampolish3 - Do not edit + +if AMPOLISH3 +$(srcdir)/preinstall.am: Makefile.am + $(AMPOLISH3) $(srcdir)/Makefile.am > $(srcdir)/preinstall.am +endif + +PREINSTALL_DIRS = +DISTCLEANFILES = $(PREINSTALL_DIRS) + +all-am: $(PREINSTALL_FILES) + +PREINSTALL_FILES = +CLEANFILES = $(PREINSTALL_FILES) + +$(PROJECT_LIB)/$(dirstamp): + @$(MKDIR_P) $(PROJECT_LIB) + @: > $(PROJECT_LIB)/$(dirstamp) +PREINSTALL_DIRS += $(PROJECT_LIB)/$(dirstamp) + +$(PROJECT_INCLUDE)/bsp/$(dirstamp): + @$(MKDIR_P) $(PROJECT_INCLUDE)/bsp + @: > $(PROJECT_INCLUDE)/bsp/$(dirstamp) +PREINSTALL_DIRS += $(PROJECT_INCLUDE)/bsp/$(dirstamp) + +$(PROJECT_INCLUDE)/bsp/linker-symbols.h: shared/include/linker-symbols.h $(PROJECT_INCLUDE)/bsp/$(dirstamp) + $(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/linker-symbols.h +PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/linker-symbols.h + +$(PROJECT_LIB)/linkcmds.base: shared/startup/linkcmds.base $(PROJECT_LIB)/$(dirstamp) + $(INSTALL_DATA) $< $(PROJECT_LIB)/linkcmds.base +PREINSTALL_FILES += $(PROJECT_LIB)/linkcmds.base + diff --git a/c/src/lib/libbsp/m68k/shared/include/linker-symbols.h b/c/src/lib/libbsp/m68k/shared/include/linker-symbols.h new file mode 100644 index 0000000000..43c6a85949 --- /dev/null +++ b/c/src/lib/libbsp/m68k/shared/include/linker-symbols.h @@ -0,0 +1,84 @@ +/** + * @file + * + * @ingroup bsp_linker + * + * @brief Symbols defined in linker command base file. + */ + +/* + * Copyright (c) 2008-2013 embedded brains GmbH. All rights reserved. + * + * embedded brains GmbH + * Dornierstr. 4 + * 82178 Puchheim + * Germany + * + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://www.rtems.com/license/LICENSE. + */ + +#ifndef LIBBSP_M68K_SHARED_LINKER_SYMBOLS_H +#define LIBBSP_M68K_SHARED_LINKER_SYMBOLS_H + +#ifdef __cplusplus +extern "C" { +#endif /* __cplusplus */ + +/** + * @defgroup bsp_linker Linker Support + * + * @ingroup bsp_kit + * + * @brief Linker support. + * + * @{ + */ + +#ifndef ASM + #define LINKER_SYMBOL(sym) extern char sym []; +#else + #define LINKER_SYMBOL(sym) .extern sym +#endif + +LINKER_SYMBOL(bsp_vector0_begin) +LINKER_SYMBOL(bsp_vector0_end) +LINKER_SYMBOL(bsp_vector0_size) + +LINKER_SYMBOL(bsp_vector1_begin) +LINKER_SYMBOL(bsp_vector1_end) +LINKER_SYMBOL(bsp_vector1_size) + +LINKER_SYMBOL(bsp_section_text_begin) +LINKER_SYMBOL(bsp_section_text_end) +LINKER_SYMBOL(bsp_section_text_size) +LINKER_SYMBOL(bsp_section_text_load_begin) +LINKER_SYMBOL(bsp_section_text_load_end) + +LINKER_SYMBOL(bsp_section_data_begin) +LINKER_SYMBOL(bsp_section_data_end) +LINKER_SYMBOL(bsp_section_data_size) +LINKER_SYMBOL(bsp_section_data_load_begin) +LINKER_SYMBOL(bsp_section_data_load_end) + +LINKER_SYMBOL(bsp_section_bss_begin) +LINKER_SYMBOL(bsp_section_bss_end) +LINKER_SYMBOL(bsp_section_bss_size) + +LINKER_SYMBOL(bsp_section_work_begin) +LINKER_SYMBOL(bsp_section_work_end) +LINKER_SYMBOL(bsp_section_work_size) + +LINKER_SYMBOL(bsp_initstack_begin) +LINKER_SYMBOL(bsp_initstack_end) +LINKER_SYMBOL(bsp_initstack_size) + +/** @} */ + +#ifdef __cplusplus +} +#endif /* __cplusplus */ + +#endif /* LIBBSP_M68K_SHARED_LINKER_SYMBOLS_H */ diff --git a/c/src/lib/libbsp/m68k/shared/startup/linkcmds.base b/c/src/lib/libbsp/m68k/shared/startup/linkcmds.base new file mode 100644 index 0000000000..767500211b --- /dev/null +++ b/c/src/lib/libbsp/m68k/shared/startup/linkcmds.base @@ -0,0 +1,313 @@ +/* + * Copyright (c) 2008-2013 embedded brains GmbH. All rights reserved. + * + * embedded brains GmbH + * Dornierstr. 4 + * 82178 Puchheim + * Germany + * + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://www.rtems.com/license/LICENSE. + */ + +OUTPUT_FORMAT("elf32-m68k", "elf32-m68k", "elf32-m68k") + +OUTPUT_ARCH(m68k) + +ENTRY(_start) + +bsp_initstack_size = DEFINED (bsp_initstack_size) ? bsp_initstack_size : 2048; + +MEMORY { + UNEXPECTED_SECTIONS : ORIGIN = 0xffffffff, LENGTH = 0 +} + +SECTIONS { + .vector0 : ALIGN_WITH_INPUT { + bsp_vector0_begin = .; + *(.vectors*) + bsp_vector0_end = .; + } > REGION_TEXT AT > REGION_TEXT + bsp_vector0_size = bsp_vector0_end - bsp_vector0_begin; + + .text : ALIGN_WITH_INPUT { + *(.text.unlikely .text.*_unlikely) + *(.text .stub .text.* .gnu.linkonce.t.*) + /* .gnu.warning sections are handled specially by elf32.em. */ + *(.gnu.warning) + } > REGION_TEXT AT > REGION_TEXT_LOAD + .init : ALIGN_WITH_INPUT { + KEEP (*(.init)) + } > REGION_TEXT AT > REGION_TEXT_LOAD + .fini : ALIGN_WITH_INPUT { + KEEP (*(.fini)) + } > REGION_TEXT AT > REGION_TEXT_LOAD + .rodata : ALIGN_WITH_INPUT { + *(.rodata .rodata.* .gnu.linkonce.r.*) + } > REGION_TEXT AT > REGION_TEXT_LOAD + .rodata1 : ALIGN_WITH_INPUT { + *(.rodata1) + } > REGION_TEXT AT > REGION_TEXT_LOAD + .eh_frame : ALIGN_WITH_INPUT { + KEEP (*(.eh_frame)) + } > REGION_TEXT AT > REGION_TEXT_LOAD + .gcc_except_table : ALIGN_WITH_INPUT { + *(.gcc_except_table .gcc_except_table.*) + } > REGION_TEXT AT > REGION_TEXT_LOAD + .tdata : ALIGN_WITH_INPUT { + *(.tdata .tdata.* .gnu.linkonce.td.*) + } > REGION_TEXT AT > REGION_TEXT_LOAD + .tbss : ALIGN_WITH_INPUT { + *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) + } > REGION_TEXT AT > REGION_TEXT_LOAD + .preinit_array : ALIGN_WITH_INPUT { + PROVIDE_HIDDEN (__preinit_array_start = .); + KEEP (*(.preinit_array)) + PROVIDE_HIDDEN (__preinit_array_end = .); + } > REGION_TEXT AT > REGION_TEXT_LOAD + .init_array : ALIGN_WITH_INPUT { + PROVIDE_HIDDEN (__init_array_start = .); + KEEP (*(SORT(.init_array.*))) + KEEP (*(.init_array)) + PROVIDE_HIDDEN (__init_array_end = .); + } > REGION_TEXT AT > REGION_TEXT_LOAD + .fini_array : ALIGN_WITH_INPUT { + PROVIDE_HIDDEN (__fini_array_start = .); + KEEP (*(.fini_array)) + KEEP (*(SORT(.fini_array.*))) + PROVIDE_HIDDEN (__fini_array_end = .); + } > REGION_TEXT AT > REGION_TEXT_LOAD + .ctors : ALIGN_WITH_INPUT { + /* gcc uses crtbegin.o to find the start of + the constructors, so we make sure it is + first. Because this is a wildcard, it + doesn't matter if the user does not + actually link against crtbegin.o; the + linker won't look for a file to match a + wildcard. The wildcard also means that it + doesn't matter which directory crtbegin.o + is in. */ + KEEP (*crtbegin.o(.ctors)) + KEEP (*crtbegin?.o(.ctors)) + /* We don't want to include the .ctor section from + the crtend.o file until after the sorted ctors. + The .ctor section from the crtend file contains the + end of ctors marker and it must be last */ + KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .ctors)) + KEEP (*(SORT(.ctors.*))) + KEEP (*(.ctors)) + } > REGION_TEXT AT > REGION_TEXT_LOAD + .dtors : ALIGN_WITH_INPUT { + KEEP (*crtbegin.o(.dtors)) + KEEP (*crtbegin?.o(.dtors)) + KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .dtors)) + KEEP (*(SORT(.dtors.*))) + KEEP (*(.dtors)) + } > REGION_TEXT AT > REGION_TEXT_LOAD + .data.rel.ro : ALIGN_WITH_INPUT { + *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) + *(.data.rel.ro* .gnu.linkonce.d.rel.ro.*) + } > REGION_TEXT AT > REGION_TEXT_LOAD + .jcr : ALIGN_WITH_INPUT { + KEEP (*(.jcr)) + } > REGION_TEXT AT > REGION_TEXT_LOAD + .interp : ALIGN_WITH_INPUT { + *(.interp) + } > REGION_TEXT AT > REGION_TEXT_LOAD + .note.gnu.build-id : ALIGN_WITH_INPUT { + *(.note.gnu.build-id) + } > REGION_TEXT AT > REGION_TEXT_LOAD + .hash : ALIGN_WITH_INPUT { + *(.hash) + } > REGION_TEXT AT > REGION_TEXT_LOAD + .gnu.hash : ALIGN_WITH_INPUT { + *(.gnu.hash) + } > REGION_TEXT AT > REGION_TEXT_LOAD + .dynsym : ALIGN_WITH_INPUT { + *(.dynsym) + } > REGION_TEXT AT > REGION_TEXT_LOAD + .dynstr : ALIGN_WITH_INPUT { + *(.dynstr) + } > REGION_TEXT AT > REGION_TEXT_LOAD + .gnu.version : ALIGN_WITH_INPUT { + *(.gnu.version) + } > REGION_TEXT AT > REGION_TEXT_LOAD + .gnu.version_d : ALIGN_WITH_INPUT { + *(.gnu.version_d) + } > REGION_TEXT AT > REGION_TEXT_LOAD + .gnu.version_r : ALIGN_WITH_INPUT { + *(.gnu.version_r) + } > REGION_TEXT AT > REGION_TEXT_LOAD + .rel.dyn : ALIGN_WITH_INPUT { + *(.rel.init) + *(.rel.text .rel.text.* .rel.gnu.linkonce.t.*) + *(.rel.fini) + *(.rel.rodata .rel.rodata.* .rel.gnu.linkonce.r.*) + *(.rel.data.rel.ro* .rel.gnu.linkonce.d.rel.ro.*) + *(.rel.data .rel.data.* .rel.gnu.linkonce.d.*) + *(.rel.tdata .rel.tdata.* .rel.gnu.linkonce.td.*) + *(.rel.tbss .rel.tbss.* .rel.gnu.linkonce.tb.*) + *(.rel.ctors) + *(.rel.dtors) + *(.rel.got) + *(.rel.bss .rel.bss.* .rel.gnu.linkonce.b.*) + PROVIDE_HIDDEN (__rel_iplt_start = .); + *(.rel.iplt) + PROVIDE_HIDDEN (__rel_iplt_end = .); + PROVIDE_HIDDEN (__rela_iplt_start = .); + PROVIDE_HIDDEN (__rela_iplt_end = .); + } > REGION_TEXT AT > REGION_TEXT_LOAD + .rela.dyn : ALIGN_WITH_INPUT { + *(.rela.init) + *(.rela.text .rela.text.* .rela.gnu.linkonce.t.*) + *(.rela.fini) + *(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*) + *(.rela.data .rela.data.* .rela.gnu.linkonce.d.*) + *(.rela.tdata .rela.tdata.* .rela.gnu.linkonce.td.*) + *(.rela.tbss .rela.tbss.* .rela.gnu.linkonce.tb.*) + *(.rela.ctors) + *(.rela.dtors) + *(.rela.got) + *(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*) + PROVIDE_HIDDEN (__rel_iplt_start = .); + PROVIDE_HIDDEN (__rel_iplt_end = .); + PROVIDE_HIDDEN (__rela_iplt_start = .); + *(.rela.iplt) + PROVIDE_HIDDEN (__rela_iplt_end = .); + } > REGION_TEXT AT > REGION_TEXT_LOAD + .rel.plt : ALIGN_WITH_INPUT { + *(.rel.plt) + } > REGION_TEXT AT > REGION_TEXT_LOAD + .rela.plt : ALIGN_WITH_INPUT { + *(.rela.plt) + } > REGION_TEXT AT > REGION_TEXT_LOAD + .plt : ALIGN_WITH_INPUT { + *(.plt) + } > REGION_TEXT AT > REGION_TEXT_LOAD + .iplt : ALIGN_WITH_INPUT { + *(.iplt) + } > REGION_TEXT AT > REGION_TEXT_LOAD + .dynamic : ALIGN_WITH_INPUT { + *(.dynamic) + } > REGION_TEXT AT > REGION_TEXT_LOAD + .got : ALIGN_WITH_INPUT { + *(.got.plt) *(.igot.plt) *(.got) *(.igot) + } > REGION_TEXT AT > REGION_TEXT_LOAD + .rtemsroset : ALIGN_WITH_INPUT { + /* Special FreeBSD linker set sections */ + __start_set_sysctl_set = .; + *(set_sysctl_*); + __stop_set_sysctl_set = .; + *(set_domain_*); + *(set_pseudo_*); + + KEEP (*(SORT(.rtemsroset.*))) + } > REGION_TEXT AT > REGION_TEXT_LOAD + + .vector1 : ALIGN_WITH_INPUT { + bsp_vector1_begin = .; + . = . + (ORIGIN (REGION_TEXT) == ORIGIN (REGION_DATA) ? 0 : bsp_vector0_size); + bsp_vector1_end = .; + } > REGION_DATA AT > REGION_DATA + bsp_vector1_size = bsp_vector1_end - bsp_vector1_begin; + + .initstack : ALIGN_WITH_INPUT { + bsp_initstack_begin = .; + . = . + bsp_initstack_size; + bsp_initstack_end = .; + } > REGION_DATA AT > REGION_DATA + + .data : ALIGN_WITH_INPUT { + bsp_section_data_begin = .; + *(.data .data.* .gnu.linkonce.d.*) + SORT(CONSTRUCTORS) + } > REGION_DATA AT > REGION_DATA_LOAD + .data1 : ALIGN_WITH_INPUT { + *(.data1) + } > REGION_DATA AT > REGION_DATA_LOAD + .rtemsrwset : ALIGN_WITH_INPUT { + KEEP (*(SORT(.rtemsrwset.*))) + bsp_section_data_end = .; + } > REGION_DATA AT > REGION_DATA_LOAD + bsp_section_data_size = bsp_section_data_end - bsp_section_data_begin; + bsp_section_data_load_begin = LOADADDR (.data); + bsp_section_data_load_end = bsp_section_data_load_begin + bsp_section_data_size; + + .bss : ALIGN_WITH_INPUT { + bsp_section_bss_begin = .; + *(.dynbss) + *(.bss .bss.* .gnu.linkonce.b.*) + *(COMMON) + bsp_section_bss_end = .; + } > REGION_DATA AT > REGION_DATA + bsp_section_bss_size = bsp_section_bss_end - bsp_section_bss_begin; + + .work : ALIGN_WITH_INPUT { + /* + * The work section will occupy the remaining REGION_DATA region and + * contains the RTEMS work space and heap. + */ + bsp_section_work_begin = .; + . += ORIGIN (REGION_DATA) + LENGTH (REGION_DATA) - ABSOLUTE (.); + bsp_section_work_end = .; + } > REGION_DATA AT > REGION_DATA + bsp_section_work_size = bsp_section_work_end - bsp_section_work_begin; + + /* FIXME */ + RamBase = ORIGIN (REGION_DATA); + RamSize = LENGTH (REGION_DATA); + WorkAreaBase = bsp_section_work_begin; + HeapSize = 0; + + /* Stabs debugging sections. */ + .stab 0 : { *(.stab) } + .stabstr 0 : { *(.stabstr) } + .stab.excl 0 : { *(.stab.excl) } + .stab.exclstr 0 : { *(.stab.exclstr) } + .stab.index 0 : { *(.stab.index) } + .stab.indexstr 0 : { *(.stab.indexstr) } + .comment 0 : { *(.comment) } + /* DWARF debug sections. + Symbols in the DWARF debugging sections are relative to the beginning + of the section so we begin them at 0. */ + /* DWARF 1 */ + .debug 0 : { *(.debug) } + .line 0 : { *(.line) } + /* GNU DWARF 1 extensions */ + .debug_srcinfo 0 : { *(.debug_srcinfo) } + .debug_sfnames 0 : { *(.debug_sfnames) } + /* DWARF 1.1 and DWARF 2 */ + .debug_aranges 0 : { *(.debug_aranges) } + .debug_pubnames 0 : { *(.debug_pubnames) } + /* DWARF 2 */ + .debug_info 0 : { *(.debug_info .gnu.linkonce.wi.*) } + .debug_abbrev 0 : { *(.debug_abbrev) } + .debug_line 0 : { *(.debug_line) } + .debug_frame 0 : { *(.debug_frame) } + .debug_str 0 : { *(.debug_str) } + .debug_loc 0 : { *(.debug_loc) } + .debug_macinfo 0 : { *(.debug_macinfo) } + /* SGI/MIPS DWARF 2 extensions */ + .debug_weaknames 0 : { *(.debug_weaknames) } + .debug_funcnames 0 : { *(.debug_funcnames) } + .debug_typenames 0 : { *(.debug_typenames) } + .debug_varnames 0 : { *(.debug_varnames) } + /* DWARF 3 */ + .debug_pubtypes 0 : { *(.debug_pubtypes) } + .debug_ranges 0 : { *(.debug_ranges) } + /* DWARF extension */ + .debug_macro 0 : { *(.debug_macro) } + /DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) } + + /* + * This is a RTEMS specific section to catch all unexpected input + * sections. In case you get an error like + * "section `.unexpected_sections' will not fit in region + * `UNEXPECTED_SECTIONS'" + * you have to figure out the offending input section and add it to the + * appropriate output section definition above. + */ + .unexpected_sections : { *(*) } > UNEXPECTED_SECTIONS +} -- cgit v1.2.3