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Altera_Forum's avatar
Altera_Forum
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21 years ago

Changing location of .entry section

Hi, i'm working on a bootloader for a system with a Cyclone 1C6, Nios II/s,256kb SRAM and an Atmel serial dataflash (2 megabits). The bootloader will load the main application from the data...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
21 years ago

Actually I have found a solution but it involves changing the auto generated linker script; so you have to use the auto generated script as basis for a custom linker script, as these script look quite intimidating http://forum.niosforum.com/work2/style_emoticons/<#EMO_DIR#>/smile.gif . If you look at generated.x in the system library, there is this sections block: 

SECTIONS
{
    .entry :
    {
        KEEP (*(.entry))
    } > reset
    .exceptions :
    {
        . = ALIGN(0x20);
        *(.irq)
        KEEP (*(.exceptions));
    } > sram
 .
 .
 .
}

All I had to do was to change the > reset into > sram, and everything ended up where I wanted it. Of course, I copied the generated.x to another file, so that it won&#39;t be overwritten at the next change of the system.