Sorry I did a mistake myself:
The appropriate elfbios.lds SECTIONS part should read as:
>SECTIONS
>{
> /* Text and read-only data */
> .text : {
> _text = .;
> *(.text)
> *(.fixup)
> *(.gnu.warning)
> *(.rodata)
> _etext = .; /* End of text section */
> }
> _sz_text = SIZEOF(.text) ;
>
> .data : { /* Data */
> _data = .;
> *(.data)
> _edata = .; /* End of data section */
> }
> _sz_data = SIZEOF(.data) ;
>
> /* BSS */
> .bss : {
> _bss_start = .;
> *(.bss)
> _end = . ;
> }
> _sz_bss = SIZEOF(.bss)
>}
and the crt0.S associated code should read as:
>/*
> * Copy .data section in RAM
> */
> mov r1, #0x1000
> ldr r2, =SYMBOL_NAME(_data)
> ldr r3, =SYMBOL_NAME(_sz_data)
>1: ldr r0, [r2], #4
> str r0, [r1], #4
> subs r3, r3, #4
> bgt 1b
And we can get rid of the two lines at the entry defining sp:
_entry:
/*
*Choose supervisor mode and disable IRQ & IFQ interrupts
*/
mrs r0, cpsr
bic r0, r0, #0x1f
orr r0, r0, #0xd3
msr cpsr, r0
...
Am I totally wrong here?
--
Fran�ois Desloges
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