target/nios2: Remove the deprecated Nios II target

The Nios II target is deprecated since v8.2 in commit 9997771bc1
("target/nios2: Deprecate the Nios II architecture").

Remove:
- Buildsys / CI infra
- User emulation
- System emulation (10m50-ghrd & nios2-generic-nommu machines)
- Tests

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Acked-by: Marek Vasut <marex@denx.de>
Message-Id: <20240327144806.11319-3-philmd@linaro.org>
This commit is contained in:
Philippe Mathieu-Daudé 2024-03-27 12:10:58 +01:00
parent 92360d6e62
commit 6c3014858c
85 changed files with 31 additions and 8949 deletions

View file

@ -1426,14 +1426,6 @@ class BootLinuxConsole(LinuxKernelTest):
tar_hash = '20334cdaf386108c530ff0badaecc955693027dd'
self.do_test_advcal_2018('20', tar_hash, 'vmlinux')
def test_nios2_10m50(self):
"""
:avocado: tags=arch:nios2
:avocado: tags=machine:10m50-ghrd
"""
tar_hash = 'e4251141726c412ac0407c5a6bceefbbff018918'
self.do_test_advcal_2018('14', tar_hash, 'vmlinux.elf')
def test_ppc64_e500(self):
"""
:avocado: tags=arch:ppc64

View file

@ -382,17 +382,6 @@ class ReplayKernelNormal(ReplayKernelBase):
file_path = self.fetch_asset(tar_url, asset_hash=tar_hash)
self.do_test_advcal_2018(file_path, 'vmlinux')
def test_nios2_10m50(self):
"""
:avocado: tags=arch:nios2
:avocado: tags=machine:10m50-ghrd
"""
tar_hash = 'e4251141726c412ac0407c5a6bceefbbff018918'
tar_url = ('https://qemu-advcal.gitlab.io'
'/qac-best-of-multiarch/download/day14.tar.xz')
file_path = self.fetch_asset(tar_url, asset_hash=tar_hash)
self.do_test_advcal_2018(file_path, 'vmlinux.elf')
def test_ppc_g3beige(self):
"""
:avocado: tags=arch:ppc

View file

@ -114,13 +114,8 @@ docker-image-debian-microblaze-cross: $(DOCKER_FILES_DIR)/debian-toolchain.docke
$(DOCKER_FILES_DIR)/debian-microblaze-cross.d/build-toolchain.sh
$(call debian-toolchain, $@)
docker-image-debian-nios2-cross: $(DOCKER_FILES_DIR)/debian-toolchain.docker \
$(DOCKER_FILES_DIR)/debian-nios2-cross.d/build-toolchain.sh
$(call debian-toolchain, $@)
# These images may be good enough for building tests but not for test builds
DOCKER_PARTIAL_IMAGES += debian-microblaze-cross
DOCKER_PARTIAL_IMAGES += debian-nios2-cross
DOCKER_PARTIAL_IMAGES += debian-xtensa-cross
DOCKER_PARTIAL_IMAGES += fedora-cris-cross

View file

@ -1,87 +0,0 @@
#!/bin/bash
set -e
TARGET=nios2-linux-gnu
LINUX_ARCH=nios2
J=$(expr $(nproc) / 2)
TOOLCHAIN_INSTALL=/usr/local
TOOLCHAIN_BIN=${TOOLCHAIN_INSTALL}/bin
CROSS_SYSROOT=${TOOLCHAIN_INSTALL}/$TARGET/sys-root
export PATH=${TOOLCHAIN_BIN}:$PATH
#
# Grab all of the source for the toolchain bootstrap.
#
wget https://ftp.gnu.org/gnu/binutils/binutils-2.37.tar.xz
wget https://ftp.gnu.org/gnu/gcc/gcc-11.2.0/gcc-11.2.0.tar.xz
wget https://ftp.gnu.org/gnu/glibc/glibc-2.34.tar.xz
wget https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.10.70.tar.xz
tar axf binutils-2.37.tar.xz
tar axf gcc-11.2.0.tar.xz
tar axf glibc-2.34.tar.xz
tar axf linux-5.10.70.tar.xz
mv binutils-2.37 src-binu
mv gcc-11.2.0 src-gcc
mv glibc-2.34 src-glibc
mv linux-5.10.70 src-linux
mkdir -p bld-hdr bld-binu bld-gcc bld-glibc
mkdir -p ${CROSS_SYSROOT}/usr/include
#
# Install kernel and glibc headers
#
cd src-linux
make headers_install ARCH=${LINUX_ARCH} INSTALL_HDR_PATH=${CROSS_SYSROOT}/usr
cd ..
cd bld-hdr
../src-glibc/configure --prefix=/usr --host=${TARGET}
make install-headers DESTDIR=${CROSS_SYSROOT}
touch ${CROSS_SYSROOT}/usr/include/gnu/stubs.h
cd ..
#
# Build binutils
#
cd bld-binu
../src-binu/configure --disable-werror \
--prefix=${TOOLCHAIN_INSTALL} --with-sysroot --target=${TARGET}
make -j${J}
make install
cd ..
#
# Build gcc, without shared libraries, because we do not yet
# have a shared libc against which to link.
#
cd bld-gcc
../src-gcc/configure --disable-werror --disable-shared \
--prefix=${TOOLCHAIN_INSTALL} --with-sysroot --target=${TARGET} \
--enable-languages=c --disable-libssp --disable-libsanitizer \
--disable-libatomic --disable-libgomp --disable-libquadmath
make -j${J}
make install
cd ..
#
# Build glibc
# There are a few random things that use c++ but we didn't build that
# cross-compiler. We can get away without them. Disable CXX so that
# glibc doesn't try to use the host c++ compiler.
#
cd bld-glibc
CXX=false ../src-glibc/configure --prefix=/usr --host=${TARGET}
make -j${j}
make install DESTDIR=${CROSS_SYSROOT}
cd ..

View file

@ -38,7 +38,6 @@ static struct arch2cpu cpus_map[] = {
{ "mipsel", "I7200" },
{ "mips64", "20Kc" },
{ "mips64el", "I6500" },
{ "nios2", "FIXME" },
{ "or1k", "or1200" },
{ "ppc", "604" },
{ "ppc64", "power8e_v2.1" },

View file

@ -1,70 +0,0 @@
/*
* Link script for the Nios2 10m50-ghrd board.
*
* Copyright Linaro Ltd 2022
* SPDX-License-Identifier: GPL-2.0-or-later
*/
MEMORY
{
tpf (rx) : ORIGIN = 0xc0000000, LENGTH = 1K
ram (rwx) : ORIGIN = 0xc8000000, LENGTH = 128M
}
PHDRS
{
RAM PT_LOAD;
}
ENTRY(_start)
EXTERN(_start)
EXTERN(_interrupt)
EXTERN(_fast_tlb_miss)
SECTIONS
{
/* Begin at the (hardcoded) _interrupt entry point. */
.text 0xc8000120 : {
*(.text.intr)
*(.text .text.* .gnu.linkonce.t.*)
} >ram :RAM
.rodata : ALIGN(4) {
*(.rodata .rodata.* .gnu.linkonce.r.*)
} > ram :RAM
.eh_frame_hdr : ALIGN (4) {
KEEP (*(.eh_frame_hdr))
*(.eh_frame_entry .eh_frame_entry.*)
} >ram :RAM
.eh_frame : ALIGN (4) {
KEEP (*(.eh_frame)) *(.eh_frame.*)
} >ram :RAM
.data : ALIGN(4) {
*(.shdata)
*(.data .data.* .gnu.linkonce.d.*)
} >ram :RAM
HIDDEN (_gp = ALIGN(16) + 0x7ff0);
PROVIDE_HIDDEN (gp = _gp);
.got : ALIGN(4) {
*(.got.plt) *(.igot.plt) *(.got) *(.igot)
} >ram :RAM
.sdata : ALIGN(4) {
*(.sdata .sdata.* .gnu.linkonce.s.*)
} >ram :RAM
.bss : ALIGN(4) {
__bss_start = ABSOLUTE(.);
*(.sbss .sbss.* .gnu.linkonce.sb.*)
*(.scommon)
*(.bss .bss.* .gnu.linkonce.b.*)
*(COMMON)
. = ALIGN(4);
__bss_end = ABSOLUTE(.);
} >ram :RAM
__stack = ORIGIN(ram) + LENGTH(ram);
}

View file

@ -1,32 +0,0 @@
#
# Nios2 system tests
#
# Copyright Linaro Ltd 2022
# SPDX-License-Identifier: GPL-2.0-or-later
#
NIOS2_SYSTEM_SRC = $(SRC_PATH)/tests/tcg/nios2
VPATH += $(NIOS2_SYSTEM_SRC)
# These objects provide the basic boot code and helper functions for all tests
CRT_OBJS = boot.o intr.o $(MINILIB_OBJS)
LINK_SCRIPT = $(NIOS2_SYSTEM_SRC)/10m50-ghrd.ld
CFLAGS += -nostdlib -g -O0 $(MINILIB_INC)
LDFLAGS += -Wl,-T$(LINK_SCRIPT) -static -nostdlib $(CRT_OBJS) -lgcc
%.o: %.S
$(call quiet-command, $(CC) $(CFLAGS) $(EXTRA_CFLAGS) -x assembler-with-cpp -c $< -o $@, AS, $@)
%.o: %.c
$(call quiet-command, $(CC) $(CFLAGS) $(EXTRA_CFLAGS) -c $< -o $@, CC, $@)
# Build and link the tests
%: %.o $(LINK_SCRIPT) $(CRT_OBJS)
$(call quiet-command, $(CC) $(CFLAGS) $(EXTRA_CFLAGS) $< -o $@ $(LDFLAGS), LD, $@)
QEMU_OPTS = -M 10m50-ghrd,vic=on -semihosting-config enable=on,target=native,chardev=output -kernel
memory: CFLAGS+=-DCHECK_UNALIGNED=0
TESTS += $(MULTIARCH_TESTS)
TESTS += test-shadow-1

View file

@ -1,11 +0,0 @@
# nios2 specific test tweaks
# Currently nios2 signal handling is broken
run-signals: signals
$(call skip-test, $<, "BROKEN")
run-plugin-signals-with-%:
$(call skip-test, $<, "BROKEN")
run-linux-test: linux-test
$(call skip-test, $<, "BROKEN")
run-plugin-linux-test-with-%:
$(call skip-test, $<, "BROKEN")

View file

@ -1,218 +0,0 @@
/*
* Minimal Nios2 system boot code.
*
* Copyright Linaro Ltd 2022
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "semicall.h"
.text
.set noat
_start:
/* Linker script defines stack at end of ram. */
movia sp, __stack
/* Install trampoline to _fast_tlb_miss at hardcoded vector. */
movia r4, 0xc0000100
movia r5, _ftm_tramp
movi r6, .L__ftm_end - _ftm_tramp
call memcpy
/* Zero the bss to satisfy C. */
movia r4, __bss_start
movia r6, __bss_end
sub r6, r6, r4
movi r5, 0
call memset
/* Test! */
call main
/* Exit with main's return value. */
movi r4, HOSTED_EXIT
mov r5, r2
semihosting_call
.globl _start
.type _start, @function
.size _start, . - _start
_ftm_tramp:
movia et, _fast_tlb_miss
jmp et
.L__ftm_end:
.type _ftm_tramp, @function
.size _ftm_tramp, . - _ftm_tramp
#define dst r4
#define src r5
#define len r6
memcpy:
/* Store return value right away, per API */
mov r2, dst
/* Check for both dst and src aligned. */
or at, dst, src
andi at, at, 3
bne at, zero, .L_mc_test1
/* Copy blocks of 8. */
movi at, 8
bltu len, at, .L_mc_test4
.L_mc_loop8:
ldw r8, 0(src)
ldw r9, 4(src)
addi src, src, 8
addi dst, dst, 8
subi len, len, 8
stw r8, -8(dst)
stw r9, -4(dst)
bgeu len, at, .L_mc_loop8
/* Copy final aligned block of 4. */
.L_mc_test4:
movi at, 4
bltu len, at, .L_mc_test1
ldw r8, 0(src)
addi src, src, 4
addi dst, dst, 4
subi len, len, 4
stw r8, -4(dst)
/* Copy single bytes to finish. */
.L_mc_test1:
beq len, zero, .L_mc_done
.L_mc_loop1:
ldb r8, 0(src)
addi src, src, 1
addi dst, dst, 1
subi len, len, 1
stb r8, -1(dst)
bne len, zero, .L_mc_loop1
.L_mc_done:
ret
#undef dst
#undef src
#undef len
.global memcpy
.type memcpy, @function
.size memcpy, . - memcpy
#define dst r4
#define val r5
#define len r6
memset:
/* Store return value right away, per API */
mov r2, dst
/* Check for small blocks; fall back to bytewise. */
movi r3, 8
bltu len, r3, .L_ms_test1
/* Replicate the byte across the word. */
andi val, val, 0xff
slli at, val, 8
or val, val, at
slli at, val, 16
or val, val, at
/* Check for destination alignment; realign if needed. */
andi at, dst, 3
bne at, zero, .L_ms_align
/* Set blocks of 8. */
.L_ms_loop8:
stw val, 0(dst)
stw val, 4(dst)
addi dst, dst, 8
subi len, len, 8
bgeu len, r3, .L_ms_loop8
/* Set final aligned block of 4. */
.L_ms_test4:
movi at, 4
bltu len, at, .L_ms_test1
stw r8, 0(dst)
addi dst, dst, 4
subi len, len, 4
stw r8, -4(dst)
/* Set single bytes to finish. */
.L_ms_test1:
beq len, zero, .L_ms_done
.L_ms_loop1:
stb r8, 0(dst)
addi dst, dst, 1
subi len, len, 1
bne len, zero, .L_ms_loop1
.L_ms_done:
ret
/* Realign for a large block, len >= 8. */
.L_ms_align:
andi at, dst, 1
beq at, zero, 2f
stb val, 0(dst)
addi dst, dst, 1
subi len, len, 1
2: andi at, dst, 2
beq at, zero, 4f
sth val, 0(dst)
addi dst, dst, 2
subi len, len, 2
4: bgeu len, r3, .L_ms_loop8
br .L_ms_test4
#undef dst
#undef val
#undef len
.global memset
.type memset, @function
.size memset, . - memset
/*
* void __sys_outc(char c);
*/
__sys_outc:
subi sp, sp, 16
stb r4, 0(sp) /* buffer[0] = c */
movi at, 1
stw at, 4(sp) /* STDOUT_FILENO */
stw sp, 8(sp) /* buffer */
stw at, 12(sp) /* len */
movi r4, HOSTED_WRITE
addi r5, sp, 4
semihosting_call
addi sp, sp, 16
ret
.global __sys_outc
.type __sys_outc, @function
.size __sys_outc, . - __sys_outc

View file

@ -1,31 +0,0 @@
/*
* Minimal Nios2 system boot code -- exit on interrupt.
*
* Copyright Linaro Ltd 2022
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "semicall.h"
.section .text.intr, "ax"
.global _interrupt
.type _interrupt, @function
_interrupt:
rdctl r5, exception /* extract exception.CAUSE */
srli r5, r5, 2
movi r4, HOSTED_EXIT
semihosting_call
.size _interrupt, . - _interrupt
.text
.global _fast_tlb_miss
.type _fast_tlb_miss, @function
_fast_tlb_miss:
movi r5, 32
movi r4, HOSTED_EXIT
semihosting_call
.size _fast_tlb_miss, . - _fast_tlb_miss

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@ -1,28 +0,0 @@
/*
* Nios2 semihosting interface.
*
* Copyright Linaro Ltd 2022
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#ifndef SEMICALL_H
#define SEMICALL_H
#define HOSTED_EXIT 0
#define HOSTED_INIT_SIM 1
#define HOSTED_OPEN 2
#define HOSTED_CLOSE 3
#define HOSTED_READ 4
#define HOSTED_WRITE 5
#define HOSTED_LSEEK 6
#define HOSTED_RENAME 7
#define HOSTED_UNLINK 8
#define HOSTED_STAT 9
#define HOSTED_FSTAT 10
#define HOSTED_GETTIMEOFDAY 11
#define HOSTED_ISATTY 12
#define HOSTED_SYSTEM 13
#define semihosting_call break 1
#endif /* SEMICALL_H */

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@ -1,40 +0,0 @@
/*
* Regression test for TCG indirect global lowering.
*
* Copyright Linaro Ltd 2022
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "semicall.h"
.text
.set noat
.align 2
.globl main
.type main, @function
main:
/* Initialize r0 in shadow register set 1. */
movhi at, 1 /* PRS=1, CRS=0, RSIE=0, PIE=0 */
wrctl status, at
wrprs zero, zero
/* Change current register set to 1. */
movi at, 1 << 10 /* PRS=0, CRS=1, RSIE=0, PIE=0 */
wrctl estatus, at
movia ea, 1f
eret
/* Load address for callr, then end TB. */
1: movia at, 3f
br 2f
/* Test case! TCG abort on indirect lowering across brcond. */
2: callr at
/* exit(0) */
3: movi r4, HOSTED_EXIT
movi r5, 0
semihosting_call
.size main, . - main