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[src/trunk]: src/sys/arch/evbmips Add support for the QEMU MIPS "mipssim" sim...
details: https://anonhg.NetBSD.org/src/rev/5aa2be4f7f39
branches: trunk
changeset: 958988:5aa2be4f7f39
user: simonb <simonb%NetBSD.org@localhost>
date: Wed Jan 27 05:24:16 2021 +0000
description:
Add support for the QEMU MIPS "mipssim" simulator.
TODO- mipsnet network driver (root on md(4) only for now).
diffstat:
sys/arch/evbmips/conf/MIPSSIM | 128 +++++++++++
sys/arch/evbmips/conf/MIPSSIM64 | 13 +
sys/arch/evbmips/conf/files.mipssim | 31 ++
sys/arch/evbmips/conf/std.mipssim | 15 +
sys/arch/evbmips/mipssim/autoconf.c | 70 ++++++
sys/arch/evbmips/mipssim/autoconf.h | 45 ++++
sys/arch/evbmips/mipssim/com_mainbus.c | 97 ++++++++
sys/arch/evbmips/mipssim/if_mipsnetreg.h | 54 ++++
sys/arch/evbmips/mipssim/machdep.c | 331 ++++++++++++++++++++++++++++++
sys/arch/evbmips/mipssim/mainbus.c | 101 +++++++++
sys/arch/evbmips/mipssim/mipssim_bus_io.c | 56 +++++
sys/arch/evbmips/mipssim/mipssim_intr.c | 164 ++++++++++++++
sys/arch/evbmips/mipssim/mipssimreg.h | 49 ++++
sys/arch/evbmips/mipssim/mipssimvar.h | 47 ++++
14 files changed, 1201 insertions(+), 0 deletions(-)
diffs (truncated from 1257 to 300 lines):
diff -r e3908de22db5 -r 5aa2be4f7f39 sys/arch/evbmips/conf/MIPSSIM
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/arch/evbmips/conf/MIPSSIM Wed Jan 27 05:24:16 2021 +0000
@@ -0,0 +1,128 @@
+# $NetBSD: MIPSSIM,v 1.1 2021/01/27 05:24:16 simonb Exp $
+#
+# Kernel config for the QEMU MIPS "mipssim" simulator
+
+include "arch/evbmips/conf/std.mipssim"
+
+#ident "GENERIC-$Revision: 1.1 $"
+
+maxusers 32
+
+options MIPS32
+options MIPS32R2
+options NOFPU # No FPU
+options FPEMUL # emulate FPU insn
+options HZ=512 # for profiling
+
+#options LOCKDEBUG
+options SOSEND_COUNTERS
+options INET_CSUM_COUNTERS
+options TCP_CSUM_COUNTERS
+options UDP_CSUM_COUNTERS
+options TCP_OUTPUT_COUNTERS
+
+#options NTP # network time protocol
+
+# Debugging options
+options DIAGNOSTIC # extra kernel sanity checking
+options DEBUG # extra kernel debugging support
+options DDB # kernel dynamic debugger
+options DDB_HISTORY_SIZE=100 # enable history editing in DDB
+makeoptions DEBUG="-g" # compile full symbol table
+makeoptions COPY_SYMTAB=1 # size for embedded symbol table
+
+pseudo-device md # memory disk device
+options MEMORY_DISK_HOOKS
+options MEMORY_DISK_IS_ROOT # Force root on ram-disk
+options MEMORY_DISK_ROOT_SIZE=32768 # size of memory disk, in blocks
+
+# Compatibility options
+include "conf/compat_netbsd50.config"
+#options EXEC_ECOFF # exec ECOFF binaries
+#options COMPAT_ULTRIX # binary compatibility with Ultrix
+
+# File systems
+file-system FFS # Berkeley Fast Filesystem
+#file-system MFS # memory-based filesystem
+#file-system EXT2FS # second extended file system (linux)
+file-system NFS # Sun NFS-compatible filesystem client
+#file-system KERNFS # kernel data-structure filesystem
+#file-system NULLFS # NULL layered filesystem
+#file-system OVERLAY # overlay file system
+#file-system FDESC # user file descriptor filesystem
+#file-system UMAPFS # uid/gid remapping filesystem
+#file-system LFS # Log-based filesystem (still experimental)
+#file-system PROCFS # /proc
+#file-system CD9660 # ISO 9660 + Rock Ridge file system
+#file-system UNION # union file system
+#file-system MSDOSFS # MS-DOS FAT filesystem(s).
+#file-system CODA # Coda File System; also needs vcoda (below)
+file-system PTYFS # /dev/pts/N support
+
+# File system options
+#options NFSSERVER # Sun NFS-compatible filesystem server
+#options QUOTA # legacy UFS quotas
+#options QUOTA2 # new, in-filesystem UFS quotas
+#options DISKLABEL_EI # disklabel Endian Independent support
+#options FFS_EI # FFS Endian Independent support
+#options WAPBL # File system journaling support
+#options EXT2FS_SYSTEM_FLAGS # makes ext2fs file flags (append and
+ # immutable) behave as system flags.
+
+# Alternate buffer queue strategies for better responsiveness under high
+# disk I/O load.
+#options BUFQ_READPRIO
+#options BUFQ_PRIOCSCAN
+
+# Networking options
+#options GATEWAY # IP packet forwarding
+options INET # Internet protocols
+#options INET6 # IPV6
+#options IPSEC # IP security
+#options IPSEC_DEBUG # debug for IP security
+#options MROUTING # packet forwarding of multicast packets
+#options NETATALK # AppleTalk (over Ethernet) protocol
+#options PIM # Protocol Independent Multicast
+#options PPP_BSDCOMP # BSD-Compress compression support for PPP
+#options PPP_DEFLATE # Deflate compression support for PPP
+#options PPP_FILTER # Active filter support for PPP (requires bpf)
+
+# JIT compiler for bpfilter
+#options SLJIT
+#options BPFJIT
+
+# These options enable verbose messages for several subsystems.
+# Warning, these may compile large string tables into the kernel!
+#options MIIVERBOSE # verbose PHY autoconfig messages
+
+options NFS_BOOT_DHCP
+
+config netbsd root on ? type ?
+
+mainbus0 at root
+cpu* at mainbus?
+com* at mainbus?
+# mipsnet* at mainbus?
+# options MIPSSIM_ETH_MACADDR="ba:bb:1e:01:23:45"
+
+# Network pseudo-devices
+pseudo-device bpfilter # Berkeley packet filter
+#pseudo-device carp # Common Address Redundancy Protocol
+pseudo-device loop # network loopback
+#pseudo-device ppp # Point-to-Point Protocol
+#pseudo-device sl # Serial Line IP
+#pseudo-device tun # network tunneling over tty
+#pseudo-device gre # generic L3 over IP tunnel
+#pseudo-device ipip # RFC 2003 IP Encapsulation
+#pseudo-device gif # RFC1933 tunnel
+#pseudo-device faith # IPv[46] tcp relay translation
+# Miscellaneous pseudo-devices
+pseudo-device pty # pseudo-terminals
+#pseudo-device sequencer # MIDI sequencer
+
+# A pseudo device needed for Coda # also needs CODA (above)
+#pseudo-device vcoda # coda minicache <-> venus comm.
+pseudo-device clockctl # user control of clock subsystem
+pseudo-device ksyms # /dev/ksyms
+
+include "dev/veriexec.config"
diff -r e3908de22db5 -r 5aa2be4f7f39 sys/arch/evbmips/conf/MIPSSIM64
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/arch/evbmips/conf/MIPSSIM64 Wed Jan 27 05:24:16 2021 +0000
@@ -0,0 +1,13 @@
+# $NetBSD: MIPSSIM64,v 1.1 2021/01/27 05:24:16 simonb Exp $
+#
+include "arch/evbmips/conf/MIPSSIM"
+
+makeoptions LP64="yes"
+
+no options MIPS32
+no options MIPS32R2
+
+options MIPS64
+options MIPS64R2
+options EXEC_ELF64
+options COMPAT_NETBSD32
diff -r e3908de22db5 -r 5aa2be4f7f39 sys/arch/evbmips/conf/files.mipssim
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/arch/evbmips/conf/files.mipssim Wed Jan 27 05:24:16 2021 +0000
@@ -0,0 +1,31 @@
+# $NetBSD: files.mipssim,v 1.1 2021/01/27 05:24:16 simonb Exp $
+
+file arch/evbmips/mipssim/autoconf.c
+file arch/evbmips/mipssim/machdep.c
+file arch/evbmips/mipssim/mipssim_intr.c
+file arch/evbmips/mipssim/mipssim_bus_io.c
+
+file arch/evbmips/evbmips/interrupt.c
+
+file arch/mips/mips/mips3_clock.c
+file arch/mips/mips/mips3_clockintr.c
+
+# System bus
+device mainbus {}
+attach mainbus at root
+file arch/evbmips/mipssim/mainbus.c mainbus
+
+device cpu
+attach cpu at mainbus
+file arch/evbmips/evbmips/cpu.c cpu
+
+attach com at mainbus with com_mainbus
+file arch/evbmips/mipssim/com_mainbus.c com_mainbus
+
+device mipsnet: ether, ifnet, arp, mii
+attach mipsnet at mainbus
+file arch/evbmips/mipssim/if_mipsnet.c mipsnet
+defparam opt_mipsnet.h MIPSSIM_ETH_MACADDR
+
+# Memory Disk
+file dev/md_root.c memory_disk_hooks
diff -r e3908de22db5 -r 5aa2be4f7f39 sys/arch/evbmips/conf/std.mipssim
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/arch/evbmips/conf/std.mipssim Wed Jan 27 05:24:16 2021 +0000
@@ -0,0 +1,15 @@
+# $NetBSD: std.mipssim,v 1.1 2021/01/27 05:24:16 simonb Exp $
+
+machine evbmips mips
+include "conf/std" # MI standard options
+
+options MIPS3_ENABLE_CLOCK_INTR
+options EVBMIPS_CLOCKSUBR
+
+options EXEC_ELF32 # exec ELF32 binaries
+options EXEC_SCRIPT # exec #! scripts
+
+makeoptions DEFTEXTADDR="0x80010000"
+makeoptions BOARDTYPE="mipssim"
+
+include "arch/evbmips/conf/files.mipssim"
diff -r e3908de22db5 -r 5aa2be4f7f39 sys/arch/evbmips/mipssim/autoconf.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/arch/evbmips/mipssim/autoconf.c Wed Jan 27 05:24:16 2021 +0000
@@ -0,0 +1,70 @@
+/* $NetBSD: autoconf.c,v 1.1 2021/01/27 05:24:16 simonb Exp $ */
+
+/*-
+ * Copyright (c) 2001,2021 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Jason R. Thorpe and Simon Burge.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+__KERNEL_RCSID(0, "$NetBSD: autoconf.c,v 1.1 2021/01/27 05:24:16 simonb Exp $");
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/conf.h>
+#include <sys/device.h>
+#include <sys/bus.h>
+
+/*
+ * Configure all devices on system
+ */
+void
+cpu_configure(void)
+{
+
+ intr_init();
+
+ /* Kick off autoconfiguration. */
+ (void)splhigh();
+ if (config_rootfound("mainbus", NULL) == NULL)
+ panic("no mainbus found");
+
+ spl0();
+}
+
+void
+cpu_rootconf(void)
+{
+
+ rootconf();
+}
+
+void
+device_register(device_t dev, void *aux)
+{
+
+ /* nothing to do here */
+}
diff -r e3908de22db5 -r 5aa2be4f7f39 sys/arch/evbmips/mipssim/autoconf.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/arch/evbmips/mipssim/autoconf.h Wed Jan 27 05:24:16 2021 +0000
@@ -0,0 +1,45 @@
+/* $NetBSD: autoconf.h,v 1.1 2021/01/27 05:24:16 simonb Exp $ */
+
+/*
+ * Copyright 2002 Wasabi Systems, Inc.
+ * All rights reserved.
+ *
+ * Written by Simon Burge for Wasabi Systems, Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed for the NetBSD Project by
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