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Re: [avr-gcc-list] Compiling Oberon-2 for AVR
From: |
Joerg Wunsch |
Subject: |
Re: [avr-gcc-list] Compiling Oberon-2 for AVR |
Date: |
Fri, 13 Jul 2001 11:07:04 +0200 (MET DST) |
Stewart Greenhill <address@hidden> wrote:
> Are there any limitations on initialisation of static structures in
> ROM? Providing the progmem attributes are correct, can I treat it
> like a regular initialisation (ie. initialise a pointer in progmem
> with the address of a structure in progmem)?
Unfortunably not. The progmem handling is (currently) very low-level,
you have to copy from program memory address space manually. The only
help for it is a bit of macro support (that basically translates
directly into the respective lpm assembler statements).
--
J"org Wunsch Unix support engineer
address@hidden http://www.interface-systems.de/~j