[PATCH] avr32 architecture
This adds support for the Atmel AVR32 architecture as well as the AT32AP7000
CPU and the AT32STK1000 development board.
AVR32 is a new high-performance 32-bit RISC microprocessor core, designed for
cost-sensitive embedded applications, with particular emphasis on low power
consumption and high code density. The AVR32 architecture is not binary
compatible with earlier 8-bit AVR architectures.
The AVR32 architecture, including the instruction set, is described by the
AVR32 Architecture Manual, available from
http://www.atmel.com/dyn/resources/prod_documents/doc32000.pdf
The Atmel AT32AP7000 is the first CPU implementing the AVR32 architecture. It
features a 7-stage pipeline, 16KB instruction and data caches and a full
Memory Management Unit. It also comes with a large set of integrated
peripherals, many of which are shared with the AT91 ARM-based controllers from
Atmel.
Full data sheet is available from
http://www.atmel.com/dyn/resources/prod_documents/doc32003.pdf
while the CPU core implementation including caches and MMU is documented by
the AVR32 AP Technical Reference, available from
http://www.atmel.com/dyn/resources/prod_documents/doc32001.pdf
Information about the AT32STK1000 development board can be found at
http://www.atmel.com/dyn/products/tools_card.asp?tool_id=3918
including a BSP CD image with an earlier version of this patch, development
tools (binaries and source/patches) and a root filesystem image suitable for
booting from SD card.
Alternatively, there's a preliminary "getting started" guide available at
http://avr32linux.org/twiki/bin/view/Main/GettingStarted which provides links
to the sources and patches you will need in order to set up a cross-compiling
environment for avr32-linux.
This patch, as well as the other patches included with the BSP and the
toolchain patches, is actively supported by Atmel Corporation.
[dmccr@us.ibm.com: Fix more pxx_page macro locations]
[bunk@stusta.de: fix `make defconfig']
Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Dave McCracken <dmccr@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-09-26 00:32:13 -06:00
|
|
|
/*
|
|
|
|
* Copyright (C) 2005-2006 Atmel Corporation
|
|
|
|
*
|
|
|
|
* This program is free software; you can redistribute it and/or modify
|
|
|
|
* it under the terms of the GNU General Public License version 2 as
|
|
|
|
* published by the Free Software Foundation.
|
|
|
|
*/
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Stubs for syscalls that require access to pt_regs or that take more
|
|
|
|
* than five parameters.
|
|
|
|
*/
|
|
|
|
|
|
|
|
#define ARG6 r3
|
|
|
|
|
|
|
|
.text
|
|
|
|
.global __sys_rt_sigsuspend
|
|
|
|
.type __sys_rt_sigsuspend,@function
|
|
|
|
__sys_rt_sigsuspend:
|
|
|
|
mov r10, sp
|
|
|
|
rjmp sys_rt_sigsuspend
|
|
|
|
|
|
|
|
.global __sys_sigaltstack
|
|
|
|
.type __sys_sigaltstack,@function
|
|
|
|
__sys_sigaltstack:
|
|
|
|
mov r10, sp
|
|
|
|
rjmp sys_sigaltstack
|
|
|
|
|
|
|
|
.global __sys_rt_sigreturn
|
|
|
|
.type __sys_rt_sigreturn,@function
|
|
|
|
__sys_rt_sigreturn:
|
|
|
|
mov r12, sp
|
|
|
|
rjmp sys_rt_sigreturn
|
|
|
|
|
|
|
|
.global __sys_fork
|
|
|
|
.type __sys_fork,@function
|
|
|
|
__sys_fork:
|
|
|
|
mov r12, sp
|
|
|
|
rjmp sys_fork
|
|
|
|
|
|
|
|
.global __sys_clone
|
|
|
|
.type __sys_clone,@function
|
|
|
|
__sys_clone:
|
|
|
|
mov r8, sp
|
|
|
|
rjmp sys_clone
|
|
|
|
|
|
|
|
.global __sys_vfork
|
|
|
|
.type __sys_vfork,@function
|
|
|
|
__sys_vfork:
|
|
|
|
mov r12, sp
|
|
|
|
rjmp sys_vfork
|
|
|
|
|
|
|
|
.global __sys_execve
|
|
|
|
.type __sys_execve,@function
|
|
|
|
__sys_execve:
|
|
|
|
mov r9, sp
|
|
|
|
rjmp sys_execve
|
|
|
|
|
|
|
|
.global __sys_mmap2
|
|
|
|
.type __sys_mmap2,@function
|
|
|
|
__sys_mmap2:
|
|
|
|
pushm lr
|
|
|
|
st.w --sp, ARG6
|
|
|
|
rcall sys_mmap2
|
|
|
|
sub sp, -4
|
|
|
|
popm pc
|
|
|
|
|
|
|
|
.global __sys_sendto
|
|
|
|
.type __sys_sendto,@function
|
|
|
|
__sys_sendto:
|
|
|
|
pushm lr
|
|
|
|
st.w --sp, ARG6
|
|
|
|
rcall sys_sendto
|
|
|
|
sub sp, -4
|
|
|
|
popm pc
|
|
|
|
|
|
|
|
.global __sys_recvfrom
|
|
|
|
.type __sys_recvfrom,@function
|
|
|
|
__sys_recvfrom:
|
|
|
|
pushm lr
|
|
|
|
st.w --sp, ARG6
|
|
|
|
rcall sys_recvfrom
|
|
|
|
sub sp, -4
|
|
|
|
popm pc
|
|
|
|
|
|
|
|
.global __sys_pselect6
|
|
|
|
.type __sys_pselect6,@function
|
|
|
|
__sys_pselect6:
|
|
|
|
pushm lr
|
|
|
|
st.w --sp, ARG6
|
|
|
|
rcall sys_pselect6
|
|
|
|
sub sp, -4
|
|
|
|
popm pc
|
|
|
|
|
|
|
|
.global __sys_splice
|
|
|
|
.type __sys_splice,@function
|
|
|
|
__sys_splice:
|
|
|
|
pushm lr
|
|
|
|
st.w --sp, ARG6
|
|
|
|
rcall sys_splice
|
|
|
|
sub sp, -4
|
|
|
|
popm pc
|
2006-11-06 06:02:44 -07:00
|
|
|
|
|
|
|
.global __sys_epoll_pwait
|
|
|
|
.type __sys_epoll_pwait,@function
|
|
|
|
__sys_epoll_pwait:
|
|
|
|
pushm lr
|
|
|
|
st.w --sp, ARG6
|
|
|
|
rcall sys_epoll_pwait
|
|
|
|
sub sp, -4
|
|
|
|
popm pc
|