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This commit is contained in:
Dave Murphy 2006-07-08 22:40:22 +00:00
parent 047a080d28
commit 6a7c20fbba
2 changed files with 33 additions and 55 deletions
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76
dkarm-eabi/crtls/gba_cart.ld
View File

@ -113,20 +113,6 @@ SECTIONS
__exidx_start = .;
.ARM.exidx : { *(.ARM.exidx* .gnu.linkonce.armexidx.*) } >rom
__exidx_end = .;
/* Ensure the __preinit_array_start label is properly aligned. We
could instead move the label definition inside the section, but
the linker would then create the section even if it turns out to
be empty, which isn't pretty. */
. = ALIGN(32 / 8);
PROVIDE (__preinit_array_start = .);
.preinit_array : { KEEP (*(.preinit_array)) } >rom = 0xff
PROVIDE (__preinit_array_end = .);
PROVIDE (__init_array_start = .);
.init_array : { KEEP (*(.init_array)) } >rom = 0xff
PROVIDE (__init_array_end = .);
PROVIDE (__fini_array_start = .);
.fini_array : { KEEP (*(.fini_array)) } >rom = 0xff
PROVIDE (__fini_array_end = .);
.ctors :
{
@ -152,7 +138,6 @@ SECTIONS
. = ALIGN(4); /* REQUIRED. LD is flaky without it. */
} >rom = 0
.jcr : { KEEP (*(.jcr)) } >rom
.eh_frame :
{
@ -202,10 +187,31 @@ SECTIONS
*(.gnu.linkonce.d*)
CONSTRUCTORS
. = ALIGN(4);
__data_end = ABSOLUTE(.);
} >iwram = 0xff
__iwram_overlay_lma = __data_lma + SIZEOF(.data);
__preinit_lma = __data_lma + SIZEOF(.data);
PROVIDE (__preinit_array_start = .);
.preinit_array : AT (__preinit_lma) { KEEP (*(.preinit_array)) } >iwram
PROVIDE (__preinit_array_end = .);
__init_lma = __preinit_lma + SIZEOF(.preinit_array);
PROVIDE (__init_array_start = .);
.init_array : AT (__init_lma) { KEEP (*(.init_array)) } >iwram
PROVIDE (__init_array_end = .);
PROVIDE (__fini_array_start = .);
__fini_lma = __init_lma + SIZEOF(.init_array);
.fini_array : AT (__fini_lma) { KEEP (*(.fini_array)) } >iwram
PROVIDE (__fini_array_end = .);
__jcr_lma = __fini_lma + SIZEOF(.fini_array);
.jcr : AT (__jcr_lma) { KEEP (*(.jcr)) } >iwram
__data_end = ABSOLUTE(.);
__iwram_overlay_lma = __jcr_lma + SIZEOF(.jcr);
__iwram_overlay_start = . ;
@ -223,19 +229,19 @@ SECTIONS
.iwram9 { *(.iwram9) . = ALIGN(4);}
}>iwram = 0xff
__ewram_lma = LOADADDR(.iwram0) + SIZEOF(.iwram0)+SIZEOF(.iwram1)+SIZEOF(.iwram2)+SIZEOF(.iwram3)+SIZEOF(.iwram4)+SIZEOF(.iwram5)+SIZEOF(.iwram6)+SIZEOF(.iwram7)+SIZEOF(.iwram8)+SIZEOF(.iwram9);
__ewram_lma = __load_stop_iwram9;
__iwram_overlay_end = . ;
__iheap_start = . ;
__ewram_start = 0x2000000;
__ewram_start = ORIGIN(ewram);
.ewram __ewram_start : AT (__ewram_lma)
{
*(.ewram)
. = ALIGN(4); /* REQUIRED. LD is flaky without it. */
}>ewram = 0xff
__ewram_overlay_lma = __ewram_lma + SIZEOF(.ewram);
__pad_lma = __ewram_lma + SIZEOF(.ewram);
.sbss ALIGN(4):
{
@ -247,24 +253,9 @@ SECTIONS
__ewram_end = __sbss_end ;
__ewram_overlay_start = . ;
OVERLAY ALIGN(4): NOCROSSREFS AT (__ewram_overlay_lma)
{
.ewram0 { *(.ewram0) . = ALIGN(4);}
.ewram1 { *(.ewram1) . = ALIGN(4);}
.ewram2 { *(.ewram2) . = ALIGN(4);}
.ewram3 { *(.ewram3) . = ALIGN(4);}
.ewram4 { *(.ewram4) . = ALIGN(4);}
.ewram5 { *(.ewram5) . = ALIGN(4);}
.ewram6 { *(.ewram6) . = ALIGN(4);}
.ewram7 { *(.ewram7) . = ALIGN(4);}
.ewram8 { *(.ewram8) . = ALIGN(4);}
.ewram9 { *(.ewram9) . = ALIGN(4);}
}>ewram = 0xff
__ewram_overlay_end = __load_stop_ewram9 ;
__pad_lma = __load_stop_ewram9;
__eheap_start = __sbss_end;
__end__ = __sbss_end;
end = __sbss_end;
/* EZF Advance strips trailing 0xff bytes, add a pad section so nothing important is removed */
.pad ALIGN(4) : AT (__pad_lma)
@ -274,12 +265,6 @@ SECTIONS
. = ALIGN(4); /* REQUIRED. LD is flaky without it. */
} = 0xff
__eheap_start = __load_stop_ewram9 ;
_end = __load_stop_ewram9;
__end__ = __load_stop_ewram9 ; /* v1.3 */
end = __load_stop_ewram9;
PROVIDE (end = end); /* v1.3 */
/* Stabs debugging sections. */
.stab 0 : { *(.stab) }
@ -316,4 +301,7 @@ SECTIONS
.debug_varnames 0 : { *(.debug_varnames) }
.stack 0x80000 : { _stack = .; *(.stack) }
/* These must appear regardless of . */
.note.gnu.arm.ident 0 : { KEEP (*(.note.gnu.arm.ident)) }
.ARM.attributes 0 : { KEEP (*(.ARM.attributes)) }
/DISCARD/ : { *(.note.GNU-stack) }
}

12
dkarm-eabi/crtls/gba_crt0.s
View File

@ -83,7 +83,7 @@ start_vector:
ldr r3, =__end__ @ last ewram address
sub r3, r2 @ r3= actual binary size
mov r6, r2 @ r6= 0x02000000
lsl r1, r2, #2 @ r1= 0x08000000
lsl r1, r2, #2 @ r1= 0x08000000
bl CopyMem
@ -154,16 +154,6 @@ CIW0Skip:
bl CopyMemChk
@---------------------------------------------------------------------------------
@ Copy external work ram overlay 0 (ewram0 section) from LMA to VMA (ROM to RAM)
@---------------------------------------------------------------------------------
ldr r2, =__load_stop_ewram0
ldr r1, =__load_start_ewram0
sub r3, r2, r1 @ Is there any data to copy?
beq CEW0Skip @ no
ldr r2, =__ewram_overlay_start
bl CopyMem
@---------------------------------------------------------------------------------
CEW0Skip:
@---------------------------------------------------------------------------------
@ set heap end