From 73a312d709eb2f8643becb12b5f2976b80e2ecac Mon Sep 17 00:00:00 2001 From: Thomas Doerfler Date: Mon, 7 Aug 2006 07:01:25 +0000 Subject: added startup/linkcmds.brs5l --- c/src/lib/libbsp/powerpc/gen5200/ChangeLog | 5 + .../libbsp/powerpc/gen5200/startup/linkcmds.brs5l | 303 +++++++++++++++++++++ 2 files changed, 308 insertions(+) create mode 100644 c/src/lib/libbsp/powerpc/gen5200/startup/linkcmds.brs5l (limited to 'c') diff --git a/c/src/lib/libbsp/powerpc/gen5200/ChangeLog b/c/src/lib/libbsp/powerpc/gen5200/ChangeLog index b3a189e820..5e628702db 100644 --- a/c/src/lib/libbsp/powerpc/gen5200/ChangeLog +++ b/c/src/lib/libbsp/powerpc/gen5200/ChangeLog @@ -1,3 +1,8 @@ +2006-08-08 Thomas Doerfler + + * linkcmds.brs5l: + (PR1117) Add startup/linkcmds.brs5l + 2006-06-28 Thomas Doerfler * Makefile.am, preinstall.am: diff --git a/c/src/lib/libbsp/powerpc/gen5200/startup/linkcmds.brs5l b/c/src/lib/libbsp/powerpc/gen5200/startup/linkcmds.brs5l new file mode 100644 index 0000000000..d02ef4a720 --- /dev/null +++ b/c/src/lib/libbsp/powerpc/gen5200/startup/linkcmds.brs5l @@ -0,0 +1,303 @@ +/* + * This file contains directives for the GNU linker which are specific + * to a gen5200 Board + * + * linkcmds,v 1.3 2003/01/20 19:53:27 joel Exp + */ + +OUTPUT_FORMAT("elf32-powerpc", "elf32-powerpc", + "elf32-powerpc") +OUTPUT_ARCH(powerpc) + SEARCH_DIR(/usr/local/rtems/powerpc-rtems/lib); + +ENTRY(start) + +/* + * Declare some sizes. + * XXX: The assignment of ". += XyzSize;" fails in older gld's if the + * number used there is not constant. If this happens to you, edit + * the lines marked XXX below to use a constant value. + */ +HeapSize = DEFINED(HeapSize) ? HeapSize : 0x6800000; /* 104M Heap */ +StackSize = DEFINED(StackSize) ? StackSize : 0x80000; /* 512 kB */ +WorkSpaceSize = DEFINED(WorkSpaceSize) ? WorkSpaceSize : 0x80000; /* 512k */ +RamDiskSize = DEFINED(RamDiskSize) ? RamDiskSize : 0x80000; /* 512 ram disk */ + +MEMORY + { + ram : org = 0x0, l = 256M + mpc5200_regs : org = 0xF0000000, l = 24K + dpram : org = 0xFF000000, l = 0x400 + flash : org = 0xFFE00000, l = 2M + } + + +SECTIONS +{ + + .vectors 0x100 : + { + *(.vectors) + } + > ram + + /* + * The stack will live in this area - between the vectors and + * the text section. + */ + + .text 0x10000: + { + _textbase = .; + + + text.start = .; + + /* Entry point is the .entry section */ + *(.entry) + *(.entry2) + + /* Actual Code */ + *(.text) + *(.text.*) + + + *(.rodata*) + *(.rodata1) + + + /* + * Special FreeBSD sysctl sections. + */ + . = ALIGN (16); + __start_set_sysctl_set = .; + *(set_sysctl_*); + __stop_set_sysctl_set = ABSOLUTE(.); + *(set_domain_*); + *(set_pseudo_*); + + /* C++ constructors/destructors */ + *(.gnu.linkonce.t*) + + /* Initialization and finalization code. + * + * Various files can provide initialization and finalization functions. + * The bodies of these functions are in .init and .fini sections. We + * accumulate the bodies here, and prepend function prologues from + * ecrti.o and function epilogues from ecrtn.o. ecrti.o must be linked + * first; ecrtn.o must be linked last. Because these are wildcards, it + * doesn't matter if the user does not actually link against ecrti.o and + * ecrtn.o; the linker won't look for a file to match a wildcard. The + * wildcard also means that it doesn't matter which directory ecrti.o + * and ecrtn.o are in. + */ + PROVIDE (_init = .); + *ecrti.o(.init) + *(.init) + *ecrtn.o(.init) + + PROVIDE (_fini = .); + *ecrti.o(.fini) + *(.fini) + *ecrtn.o(.init) + + /* + * C++ constructors and destructors for static objects. + * PowerPC EABI does not use crtstuff yet, so we build "old-style" + * constructor and destructor lists that begin with the list lenght + * end terminate with a NULL entry. + */ + + PROVIDE (__CTOR_LIST__ = .); + /* LONG((__CTOR_END__ - __CTOR_LIST__) / 4 - 2) */ + *crtbegin.o(.ctors) + *(.ctors) + *crtend.o(.ctors) + LONG(0) + PROVIDE (__CTOR_END__ = .); + + PROVIDE (__DTOR_LIST__ = .); + /* LONG((__DTOR_END__ - __DTOR_LIST__) / 4 - 2) */ + *crtbegin.o(.dtors) + *(.dtors) + *crtend.o(.dtors) + LONG(0) + PROVIDE (__DTOR_END__ = .); + + /* Exception frame info */ + *(.eh_frame) + + /* Miscellaneous read-only data */ + _rodata_start = . ; + *(.gnu.linkonce.r*) + *(.lit) + *(.shdata) + *(.rodata) + *(.rodata1) + *(.descriptors) + *(rom_ver) + _erodata = .; + + PROVIDE (__EXCEPT_START__ = .); + *(.gcc_except_table) + PROVIDE (__EXCEPT_END__ = .); + __GOT_START__ = .; + s.got = .; + *(.got.plt) + *(.got) + *(.got1) + PROVIDE (__GOT2_START__ = .); + PROVIDE (_GOT2_START_ = .); + *(.got2) + PROVIDE (__GOT2_END__ = .); + PROVIDE (_GOT2_END_ = .); + + PROVIDE (__FIXUP_START__ = .); + PROVIDE (_FIXUP_START_ = .); + *(.fixup) + PROVIDE (_FIXUP_END_ = .); + PROVIDE (__FIXUP_END__ = .); + + /* Various possible names for the end of the .text section */ + etext = ALIGN(0x10); + _etext = .; + _endtext = .; + text.end = .; + PROVIDE (etext = .); + PROVIDE (__etext = .); + + } > ram + + PROVIDE (__SDATA2_START__ = .); + .sdata2 : { *(.sdata2) *(.gnu.linkonce.s2.*) } >ram + .sbss2 : { *(.sbss2) *(.gnu.linkonce.sb2.*) } >ram + PROVIDE (__SBSS2_END__ = .); + + .sbss2 : { *(.sbss2) } >ram + PROVIDE (__SBSS2_END__ = .); + + /* R/W Data */ + .data ( . ) : + { + . = ALIGN (4); + + data.start = .; + + *(.data) + *(.data1) + *(.data.* .gnu.linkonce.d.*) + PROVIDE (__SDATA_START__ = .); + *(.sdata) + *(.gnu.linkonce.s.*) + data.end = .; + } > ram + + __SBSS_START__ = .; + .bss : + { + bss.start = .; + *(.bss) *(.sbss) *(COMMON) + . = ALIGN(4); + bss.end = .; + } > ram + __SBSS_END__ = .; + + PROVIDE(_bss_start = ADDR(.bss)); + PROVIDE(_bss_size = SIZEOF(.bss)); + PROVIDE(_data_start = ADDR(.data)); + PROVIDE(_data_size = SIZEOF(.data)); + PROVIDE(_text_start = ADDR(.text)); + PROVIDE(_text_size = SIZEOF(.text)); + PROVIDE(_end = data.end); + + .gzipmalloc : { + . = ALIGN (16); + _startmalloc = .; + } >ram + + + /* + * Interrupt stack setup + */ + IntrStack_start = ALIGN(0x10); + . += 0x4000; + intrStack = .; + PROVIDE(intrStackPtr = intrStack); + + + + + _WorkspaceBase = .; + __WorkspaceBase = .; + . += WorkSpaceSize; + + _RamDiskBase = .; + __RamDiskBase = .; + . += RamDiskSize; + _RamDiskEnd = .; + __RamDiskEnd = .; + PROVIDE( _RamDiskSize = _RamDiskEnd - _RamDiskBase ); + + _HeapStart = .; + __HeapStart = .; + . += HeapSize; + _HeapEnd = .; + __HeapEnd = .; + + clear_end = .; + + /* Sections for compressed .text and .data */ + /* after the .datarom section is an int specifying */ + /* the length of the following compressed image */ + /* Executes once then could get overwritten */ + .textrom 0x100000 : + { + *(.textrom) + _endloader = .; + } > ram + + .datarom : + { + _dr_start = .; + *(.datarom) + _dr_end = .; + } > ram + dr_len = _dr_end - _dr_start; + + mpc5200_regs : + { + MBAR = .; + mpc5200 = .; + _mpc5200 = .; + . += (0x6000); + } > mpc5200_regs + + .dpram : + { + dp_ram = .; + _dp_ram = .; + . += (0x400); + } > dpram + + + /* the reset vector is at 0xfff00000 which is */ + /* located at offset 0x400000 from the base */ + /* of flash */ + .bootrom 0xFFE00000 : + { + *(.bootrom) + _endboot = .; + } > flash + + + .line 0 : { *(.line) } + .debug 0 : { *(.debug) } + .debug_sfnames 0 : { *(.debug_sfnames) } + .debug_srcinfo 0 : { *(.debug_srcinfo) } + .debug_pubnames 0 : { *(.debug_pubnames) } + .debug_aranges 0 : { *(.debug_aranges) } + .debug_aregion 0 : { *(.debug_aregion) } + .debug_macinfo 0 : { *(.debug_macinfo) } + .stab 0 : { *(.stab) } + .stabstr 0 : { *(.stabstr) } +} -- cgit v1.2.3