[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [avr-gcc-list] Accessing C sram locations in inline asm
|
From: |
Theodore A. Roth |
|
Subject: |
Re: [avr-gcc-list] Accessing C sram locations in inline asm |
|
Date: |
Fri, 6 Sep 2002 13:21:01 -0700 (PDT) |
On Fri, 6 Sep 2002, Grant Stockly wrote:
:) I tried. asm volatile("lds r24, %1" :: "label" (sram_byte) ); failed no
:) matter what I tried. (Subtracting the memory start offset, etc.
How about this:
asm volatile("lds r24, %0" :: "r" (sram_byte) );
sram_byte should end up in a register. Perform a disassemble with
`avr-objdump -D -S' and examine the generated asm. It's usually very
educational as to what the compiler is doing.
Ted Roth
avr-gcc-list at http://avr1.org