* mep/Makefile.in (SCRIPTS): Update to new config.
* mep/default.ld: New. * mep/gmap_default.ld: Change default endian to little. * mep/sim-crt0.S: Maintain 8-byte stack alignment. * mep/sim-crtn.S: Likewise.
This commit is contained in:
DJ Delorie
parent
90791a1879
commit
6e9c1e8dd5
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@ -1,3 +1,11 @@
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2009-04-21 DJ Delorie <dj@redhat.com>
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* mep/Makefile.in (SCRIPTS): Update to new config.
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* mep/default.ld: New.
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* mep/gmap_default.ld: Change default endian to little.
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* mep/sim-crt0.S: Maintain 8-byte stack alignment.
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* mep/sim-crtn.S: Likewise.
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2009-04-03 Ken Werner <ken.werner@de.ibm.com>
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2009-04-03 Ken Werner <ken.werner@de.ibm.com>
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* spu/Makefile.in: Add new files.
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* spu/Makefile.in: Add new files.
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@ -57,7 +57,7 @@ OBJCOPY = `if [ -f ${objroot}/../binutils/objcopy ] ; \
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then echo ${objroot}/../binutils/objcopy ; \
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then echo ${objroot}/../binutils/objcopy ; \
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else t='$(program_transform_name)'; echo objcopy | sed -e $$t ; fi`
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else t='$(program_transform_name)'; echo objcopy | sed -e $$t ; fi`
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SCRIPTS = min.ld simple.ld fmax.ld
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SCRIPTS = min.ld default.ld
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CRT = crt0.o sdram-crt0.o sim-crt0.o simnovec-crt0.o simsdram-crt0.o crtn.o sim-crtn.o
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CRT = crt0.o sdram-crt0.o sim-crt0.o simnovec-crt0.o simsdram-crt0.o crtn.o sim-crtn.o
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SIM_BSP = libsim.a
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SIM_BSP = libsim.a
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LIBNOSYS = ../libnosys/libnosys.a
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LIBNOSYS = ../libnosys/libnosys.a
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@ -0,0 +1,332 @@
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/******************************************************************************
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begin-header
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DO NOT EDIT. THIS FILE IS MACHINE-GENERATED
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FROM THE TEMPLATE FILE gmap_default.ld.
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ALL EDITS WILL BE ERASED WITH NEXT MeP-Integrator RUN.
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Custom linker script for the MeP Module default.
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end-header
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*******************************************************************************/
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OUTPUT_FORMAT("elf32-mep-little", "elf32-mep",
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"elf32-mep-little")
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OUTPUT_ARCH(mep)
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ENTRY(_reset)
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MEMORY
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{
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/* begin-memory */
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VEC (r) : ORIGIN = 0x00000000, LENGTH = 0x000000b8
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VEC_WARM (w) : ORIGIN = 0x00200000, LENGTH = 0x000000b8
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HWINIT (r) : ORIGIN = 0x000000b8, LENGTH = 0x00000148
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RAM1 (r) : ORIGIN = 0x00000200, LENGTH = 0x001ffe00
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RAM2 (w) : ORIGIN = 0x00800000, LENGTH = 0x00800000
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/*RAM3 (w) : ORIGIN = 0x80000000, LENGTH = 0x00800000 */
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IMEM0 (w) : ORIGIN = 0x002000b8, LENGTH = 0x00003f48
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IMEM1 (w) : ORIGIN = 0x00204000, LENGTH = 0x00004000
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DMEM0 (w) : ORIGIN = 0x00220000, LENGTH = 0x00008000
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DMEM1 (w) : ORIGIN = 0x00228000, LENGTH = 0x00008000
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DMEM2 (w) : ORIGIN = 0x00230000, LENGTH = 0x00008000
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DMEM3 (w) : ORIGIN = 0x00238000, LENGTH = 0x00008000
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/* end-memory */
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}
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SECTIONS
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{
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/* Sections to be placed in the vec area. */
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.vec : { *(.vec) } >VEC /* VEC-section */
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/* Sections to be placed in the HWINIT area. */
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.hwinit : { *(.hwinit) } >HWINIT /* HWINIT-section */
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/* Sections to be placed in the ROM area. */
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.gnu.version : { *(.gnu.version) } >RAM1 /* ROM-section */
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|
.gnu.version_d : { *(.gnu.version_d) } >RAM1 /* ROM-section */
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|
.gnu.version_r : { *(.gnu.version_r) } >RAM1 /* ROM-section */
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|
/* Sections to be placed in the romdata.s area. */
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.srodata :
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{
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__sdabase = . + 0x8000;
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*(.srodata) *(.srodata.*) *(.gnu.linkonce.srd.*)
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} >RAM2 /* DATA-section */
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/* Sections to be placed in the data.s area. */
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|
.sdata :
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{
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*(.sdata)
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*(.sdata.*)
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*(.gnu.linkonce.s.*)
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} >RAM2 /* DATA-section */
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.sbss :
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{
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PROVIDE (__sbss_start = .);
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PROVIDE (___sbss_start = .);
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*(.dynsbss)
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*(.sbss)
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*(.sbss.*)
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*(.gnu.linkonce.sb.*)
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*(.scommon)
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PROVIDE (__sbss_end = .);
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PROVIDE (___sbss_end = .);
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/* Assert maximum size */
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__assert_tiny_size = ASSERT ((. < __sdabase) || ((. - __sdabase) <= 0x8000),
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"tiny section overflow");
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} >RAM2 /* DATA-section */
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/* Sections to be placed in the data.m area. */
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.data :
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{
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__data_start = . ;
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*(.data)
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*(.data.*)
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*(.gnu.linkonce.d.*)
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SORT(CONSTRUCTORS)
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} >RAM2 /* DATA-section */
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.data1 : { *(.data1) } >RAM2 /* DATA-section */
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.eh_frame : { KEEP (*(.eh_frame))} >RAM2 /* DATA-section */
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|
.gcc_except_table : { *(.gcc_except_table) *(.gcc_except_table.*) } >RAM2 /* DATA-section */
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.dynamic : { *(.dynamic) } >RAM2 /* DATA-section */
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|
.ctors :
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{
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/* gcc uses crtbegin.o to find the start of
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the constructors, so we make sure it is
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|
first. Because this is a wildcard, it
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|
doesn't matter if the user does not
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|
actually link against crtbegin.o; the
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linker won't look for a file to match a
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wildcard. The wildcard also means that it
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doesn't matter which directory crtbegin.o
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is in. */
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KEEP (*crtbegin.o(.ctors))
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/* We don't want to include the .ctor section from
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from the crtend.o file until after the sorted ctors.
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The .ctor section from the crtend file contains the
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|
end of ctors marker and it must be last */
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KEEP (*(EXCLUDE_FILE (*crtend.o ) .ctors))
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KEEP (*(SORT(.ctors.*)))
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KEEP (*(.ctors))
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} >RAM2 /* DATA-section */
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.dtors :
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{
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KEEP (*crtbegin.o(.dtors))
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KEEP (*(EXCLUDE_FILE (*crtend.o ) .dtors))
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KEEP (*(SORT(.dtors.*)))
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KEEP (*(.dtors))
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|
} >RAM2 /* DATA-section */
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|
.jcr :
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{
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. = ALIGN(4);
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*(.jcr)
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} >RAM2 /* DATA-section */
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|
.got :
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{
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*(.got.plt) *(.got)
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_edata = .;
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PROVIDE (edata = .);
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} >RAM2 /* DATA-section */
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|
.based :
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{
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__tpbase = .;
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|
*(.based) *(.based.*) *(.gnu.linkonce.based.*)
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/* Assert maximum size */
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__assert_based_size = ASSERT ((. - __tpbase) <= 0x80,
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"based section overflow");
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} >RAM2 /* DATA-section */
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.bss :
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{
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__bss_start = .;
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|
*(.dynbss)
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*(.bss)
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*(.bss.*)
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*(.gnu.linkonce.b.*)
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*(COMMON)
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|
/* Align here to ensure that the .bss section occupies space up to
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|
_end. Align after .bss to ensure correct alignment even if the
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.bss section disappears because there are no input sections. */
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. = ALIGN(32 / 8);
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_end = .;
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PROVIDE (end = .);
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} >RAM2 /* DATA-section */
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/* Sections to be placed in the code.m area. */
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.init :
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|
{
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|
KEEP (*(.init))
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|
} >RAM2 /* CODE-section */
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|
.plt : { *(.plt) } >RAM2 /* DATA-section */
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.text :
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|
{
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*(.text)
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*(.text.*)
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|
*(.stub)
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|
/* .gnu.warning sections are handled specially by elf32.em. */
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|
*(.gnu.warning)
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|
*(.gnu.linkonce.t.*)
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|
} >RAM2 /* CODE-section */ =0
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|
.vtext ALIGN(8) :
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{
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*(.vtext)
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|
} >RAM2 /* CODE-section */
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|
.fini :
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|
{
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|
KEEP (*(.fini))
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|
PROVIDE (__etext = .);
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|
PROVIDE (_etext = .);
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|
PROVIDE (etext = .);
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} >RAM2 /* CODE-section */ =0
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|
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|
/* Sections to be placed in the romdata.m area. */
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|
.rodata : { *(.rodata) *(.rodata.*) *(.gnu.linkonce.r.*) } >RAM2 /* DATA-section */
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|
.rodata1 : { *(.rodata1) } >RAM2 /* DATA-section */
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|
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|
/* Sections to be placed in the code.l area. */
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|
.ftext : { *(.ftext) *(.ftext.*) *(.gnu.linkonce.ft.*) } >RAM2 /* CODE-section */
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|
.vftext ALIGN(8) :
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{
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|
*(.vftext) *(.vftext.*) *(.gnu.linkonce.vf.*)
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|
} >RAM2 /* CODE-section */
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|
/* Sections to be placed in the romdata.l area. */
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.frodata :
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{
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*(.frodata) *(.frodata.*) *(.gnu.linkonce.frd.*)
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__assert_near_size = ASSERT (. <= 0x1000000, "near section overflow");
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|
} >RAM2 /* DATA-section */
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|
/* Sections to be placed in the data.l area. */
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|
.far : { *(.far) *(.far.*) *(.gnu.linkonce.far.*) } >RAM2 /* DATA-section */
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|
.farbss :
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|
{ PROVIDE (__farbss_start = .);
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|
*(.farbss) *(.farbss.*)
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|
PROVIDE (__farbss_end = .);
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} >RAM2 /* DATA-section */
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|
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/* END-mep-sections */
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|
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.vec_warm :
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{
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|
/* vec_warm is a place for the startup code to write the interrupt
|
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|
vectors. Allow 0xb8 bytes of space aligned on a 4 byte boundary. */
|
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|
. = ALIGN(4);
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|
vec_warm = .;
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|
. += 0xb8;
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|
} >VEC_WARM
|
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|
|
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/* begin-stack-table */
|
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|
__stack50 = (__stack - (0 * (__stack_size / 1)) + 15) / 16 * 16;
|
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|
|
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|
.rostacktab :
|
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|
{
|
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|
/* Emit a table describing the location of the different stacks. */
|
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|
. = ALIGN(4);
|
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|
__stack_table = .;
|
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|
LONG (__stack50);
|
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|
LONG (__stack50);
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|
LONG (__stack50);
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LONG (__stack50);
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LONG (__stack50);
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LONG (__stack50);
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LONG (__stack50);
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LONG (__stack50);
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LONG (__stack50);
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LONG (__stack50);
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LONG (__stack50);
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LONG (__stack50);
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LONG (__stack50);
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LONG (__stack50);
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LONG (__stack50);
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LONG (__stack50);
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LONG (__stack50);
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LONG (__stack50);
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|
LONG (__stack50);
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|
LONG (__stack50);
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LONG (__stack50);
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LONG (__stack50);
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LONG (__stack50);
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LONG (__stack50);
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LONG (__stack50);
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LONG (__stack50);
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LONG (__stack50);
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LONG (__stack50);
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LONG (__stack50);
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LONG (__stack50);
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LONG (__stack50);
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LONG (__stack50);
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LONG (__stack50);
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LONG (__stack50);
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LONG (__stack50);
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LONG (__stack50);
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LONG (__stack50);
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LONG (__stack50);
|
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LONG (__stack50);
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LONG (__stack50);
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LONG (__stack50);
|
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LONG (__stack50);
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LONG (__stack50);
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LONG (__stack50);
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LONG (__stack50);
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LONG (__stack50);
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LONG (__stack50);
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LONG (__stack50);
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LONG (__stack50);
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|
LONG (__stack50);
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|
LONG (__stack50);
|
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|
__stack_end = .;
|
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|
} >RAM2
|
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/* end-stack-table */
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|
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|
/* begin-heap */
|
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|
/* End of DATA is 0x00800000 + 0x00800000. That's where the heap will end. */
|
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|
__heap_end = 0x00800000 + 0x00800000 - 1;
|
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|
/* end-heap */
|
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|
|
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|
/* Default stack size is 1M. That's where the heap will start if there's
|
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|
room. If there's not enough room, allocate half of the remaining space
|
||||||
|
for stack and half for heap. Align the heap on a 16 byte boundary. */
|
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|
__stack_size = (__stack_end + 0x100000 <= __heap_end + 1
|
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|
? 0x100000
|
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|
: ((__heap_end + 1 - __stack_end) / 2));
|
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|
__heap = (__stack_end + __stack_size + 15) / 16 * 16;
|
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|
|
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|
/* Leave 16 bytes between the stack and the heap. */
|
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|
__stack = __heap - 0x10;
|
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|
|
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|
/* Stabs debugging sections. */
|
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|
.stab 0 : { *(.stab) }
|
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|
.stabstr 0 : { *(.stabstr) }
|
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|
.stab.excl 0 : { *(.stab.excl) }
|
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|
.stab.exclstr 0 : { *(.stab.exclstr) }
|
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|
.stab.index 0 : { *(.stab.index) }
|
||||||
|
.stab.indexstr 0 : { *(.stab.indexstr) }
|
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|
.comment 0 : { *(.comment) }
|
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|
/* DWARF debug sections.
|
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|
Symbols in the DWARF debugging sections are relative to the beginning
|
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|
of the section so we begin them at 0. */
|
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|
/* DWARF 1 */
|
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|
.debug 0 : { *(.debug) }
|
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|
.line 0 : { *(.line) }
|
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|
/* GNU DWARF 1 extensions */
|
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|
.debug_srcinfo 0 : { *(.debug_srcinfo) }
|
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|
.debug_sfnames 0 : { *(.debug_sfnames) }
|
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|
/* DWARF 1.1 and DWARF 2 */
|
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|
.debug_aranges 0 : { *(.debug_aranges) }
|
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|
.debug_pubnames 0 : { *(.debug_pubnames) }
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/* DWARF 2 */
|
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|
.debug_info 0 : { *(.debug_info) *(.gnu.linkonce.wi.*) }
|
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|
.debug_abbrev 0 : { *(.debug_abbrev) }
|
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.debug_line 0 : { *(.debug_line) }
|
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.debug_frame 0 : { *(.debug_frame) }
|
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|
.debug_str 0 : { *(.debug_str) }
|
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.debug_loc 0 : { *(.debug_loc) }
|
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.debug_macinfo 0 : { *(.debug_macinfo) }
|
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.debug_ranges 0 : { *(.debug_ranges) }
|
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|
/* SGI/MIPS DWARF 2 extensions */
|
||||||
|
.debug_weaknames 0 : { *(.debug_weaknames) }
|
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|
.debug_funcnames 0 : { *(.debug_funcnames) }
|
||||||
|
.debug_typenames 0 : { *(.debug_typenames) }
|
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.debug_varnames 0 : { *(.debug_varnames) }
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||||||
|
/* These must appear regardless of . */
|
||||||
|
}
|
||||||
|
|
@ -24,8 +24,8 @@ begin-header
|
||||||
end-header
|
end-header
|
||||||
*******************************************************************************/
|
*******************************************************************************/
|
||||||
|
|
||||||
OUTPUT_FORMAT("elf32-mep", "elf32-mep",
|
OUTPUT_FORMAT("elf32-mep-little", "elf32-mep",
|
||||||
"elf32-mep")
|
"elf32-mep-little")
|
||||||
OUTPUT_ARCH(mep)
|
OUTPUT_ARCH(mep)
|
||||||
ENTRY(_reset)
|
ENTRY(_reset)
|
||||||
|
|
||||||
|
|
|
||||||
|
|
@ -113,6 +113,17 @@ _start:
|
||||||
movh $sp, %uhi(__stack_table)
|
movh $sp, %uhi(__stack_table)
|
||||||
or3 $sp, $sp, %lo(__stack_table)
|
or3 $sp, $sp, %lo(__stack_table)
|
||||||
|
|
||||||
|
# initialize sp, gp, tp
|
||||||
|
# get CPU ID
|
||||||
|
ldc $0, $id
|
||||||
|
srl $0, 16
|
||||||
|
|
||||||
|
# load ID-specific stack pointer
|
||||||
|
sl2ad3 $0, $0, $sp # $0 = ($0 << 2) + $sp
|
||||||
|
lw $sp,($0) # $sp = *($0)
|
||||||
|
mov $0,0xfff8
|
||||||
|
and $sp, $0
|
||||||
|
|
||||||
#ifndef NOVEC
|
#ifndef NOVEC
|
||||||
# copy exception vector table
|
# copy exception vector table
|
||||||
|
|
||||||
|
|
@ -294,14 +305,6 @@ _start:
|
||||||
.Lend_dc:
|
.Lend_dc:
|
||||||
# NOVEC
|
# NOVEC
|
||||||
#endif
|
#endif
|
||||||
# initialize sp, gp, tp
|
|
||||||
# get CPU ID
|
|
||||||
ldc $0, $id
|
|
||||||
srl $0, 16
|
|
||||||
|
|
||||||
# load ID-specific stack pointer
|
|
||||||
sl2ad3 $0, $0, $sp # $0 = ($0 << 2) + $sp
|
|
||||||
lw $sp,($0) # $sp = *($0)
|
|
||||||
mov $0, 0
|
mov $0, 0
|
||||||
|
|
||||||
movh $gp, %uhi(__sdabase)
|
movh $gp, %uhi(__sdabase)
|
||||||
|
|
@ -385,13 +388,13 @@ _exit_in_progress: .word 0
|
||||||
|
|
||||||
.section .init
|
.section .init
|
||||||
__invoke_init_section:
|
__invoke_init_section:
|
||||||
add $sp, -4
|
add $sp, -8
|
||||||
ldc $0, $lp
|
ldc $0, $lp
|
||||||
sw $0, ($sp)
|
sw $0, ($sp)
|
||||||
|
|
||||||
.section .fini
|
.section .fini
|
||||||
__invoke_fini_section:
|
__invoke_fini_section:
|
||||||
add $sp, -4
|
add $sp, -8
|
||||||
ldc $0, $lp
|
ldc $0, $lp
|
||||||
sw $0, ($sp)
|
sw $0, ($sp)
|
||||||
|
|
||||||
|
|
|
||||||
|
|
@ -13,11 +13,11 @@
|
||||||
.section .init
|
.section .init
|
||||||
lw $1, ($sp)
|
lw $1, ($sp)
|
||||||
stc $1, $lp
|
stc $1, $lp
|
||||||
add $sp, 4
|
add $sp, 8
|
||||||
ret
|
ret
|
||||||
|
|
||||||
.section .fini
|
.section .fini
|
||||||
lw $1, ($sp)
|
lw $1, ($sp)
|
||||||
stc $1, $lp
|
stc $1, $lp
|
||||||
add $sp, 4
|
add $sp, 8
|
||||||
ret
|
ret
|
||||||
|
|
|
||||||
Loading…
Reference in New Issue