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/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 ++------------------- 8 files changed, 67 insertions(+), 514 deletions(-) (limited to 'c/src/lib/libbsp/m68k/genmcf548x') 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 -- cgit v1.2.3