-list@nongnu.org; Anatoly Sokolov
Subject: RE: [avr-gcc-list] WinAvr 20081205 and Xmega AVR
> -Original Message-
> From:
> avr-gcc-list-bounces+eweddington=cso.atmel@nongnu.org
> [mailto:avr-gcc-list-bounces+eweddington=cso.atmel@nongnu.
> org] On Behalf Of
g
> Subject: [avr-gcc-list] WinAvr 20081205 and Xmega AVR
>
> So what should really happen is:
>
>
>
> return ( AS2
> (out,__SP_L__,%B1) CR_TAB
>
> + AS2
> (out,__SP_H_
I just got email from Atmel verifying that the two instruction sequence for
updating SP is correct.
-Original Message-
From: Anatoly Sokolov [mailto:ae...@post.ru]
Sent: Wednesday, February 04, 2009 11:27 AM
To: larry barello; avr-gcc-list@nongnu.org
Subject: Re: [avr-gcc-list] WinAvr
Hi.
In fact, the XMEGA A manual, page9, section 3.8 states that
NOTHING is needed other than writing the SPL first (writing SPL disables
interrupts for four cycles).
Wow Thanks for catch it! I wanted to see it in the new core and upset
when not found.
In ATxmega A MANUAL revision A th
The Xmega support involves a convoluted mechanism to update the SP after a
var-arg procedure call.
return (AS2 (mov,__tmp_reg__,r24) CR_TAB
+ AS2 (ldi,r24,0xD8)
CR_TAB
+
