Add support for the QEMU virt SoC. This is a SoC built depending on the
command line arguments passed in. It will then generate a dtb on the fly, as such no dts will be added as it may be incorrect. Relnotes: yes
This commit is contained in:
Andrew Turner
parent
405ada37fb
commit
42f0d1fa49
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=281439
95
sys/arm/conf/VIRT
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95
sys/arm/conf/VIRT
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@ -0,0 +1,95 @@
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#
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# VIRT -- Custom configuration for the qemu virt platform
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#
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# For more information on this file, please read the config(5) manual page,
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# and/or the handbook section on Kernel Configuration Files:
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#
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# http://www.FreeBSD.org/doc/en_US.ISO8859-1/books/handbook/kernelconfig-config.html
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#
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# The handbook is also available locally in /usr/share/doc/handbook
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# if you've installed the doc distribution, otherwise always see the
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# FreeBSD World Wide Web server (http://www.FreeBSD.org/) for the
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# latest information.
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#
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# An exhaustive list of options and more detailed explanations of the
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# device lines is also present in the ../../conf/NOTES and NOTES files.
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# If you are in doubt as to the purpose or necessity of a line, check first
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# in NOTES.
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#
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# $FreeBSD$
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ident VIRT
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include "../qemu/std.virt"
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options HZ=100
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options SCHED_4BSD # 4BSD scheduler
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options PREEMPTION # Enable kernel thread preemption
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options INET # InterNETworking
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options INET6 # IPv6 communications protocols
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options SCTP # Stream Control Transmission Protocol
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options FFS # Berkeley Fast Filesystem
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options SOFTUPDATES # Enable FFS soft updates support
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options UFS_ACL # Support for access control lists
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options UFS_DIRHASH # Improve performance on big directories
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options UFS_GJOURNAL # Enable gjournal-based UFS journaling
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options QUOTA # Enable disk quotas for UFS
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options NFSCL # Network Filesystem Client
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options NFSLOCKD # Network Lock Manager
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options NFS_ROOT # NFS usable as /, requires NFSCL
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options MSDOSFS # MSDOS Filesystem
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options CD9660 # ISO 9660 Filesystem
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options PROCFS # Process filesystem (requires PSEUDOFS)
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options PSEUDOFS # Pseudo-filesystem framework
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options TMPFS # Efficient memory filesystem
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options GEOM_PART_GPT # GUID Partition Tables
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options GEOM_PART_BSD # BSD partition scheme
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options GEOM_PART_MBR # MBR partition scheme
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options GEOM_LABEL # Provides labelization
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options COMPAT_43 # Compatible with BSD 4.3 [KEEP THIS!]
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options SCSI_DELAY=5000 # Delay (in ms) before probing SCSI
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options KTRACE # ktrace(1) support
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options SYSVSHM # SYSV-style shared memory
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options SYSVMSG # SYSV-style message queues
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options SYSVSEM # SYSV-style semaphores
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options _KPOSIX_PRIORITY_SCHEDULING # POSIX P1003_1B real-time extensions
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options KBD_INSTALL_CDEV # install a CDEV entry in /dev
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options PLATFORM
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options FREEBSD_BOOT_LOADER # Process metadata passed from loader(8)
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options VFP # Enable floating point hardware support
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# Debugging for use in -current
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makeoptions DEBUG=-g # Build kernel with gdb(1) debug symbols
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options BREAK_TO_DEBUGGER
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options ALT_BREAK_TO_DEBUGGER
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#options VERBOSE_SYSINIT # Enable verbose sysinit messages
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options KDB # Enable kernel debugger support
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# For minimum debugger support (stable branch) use:
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#options KDB_TRACE # Print a stack trace for a panic
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# For full debugger support use this instead:
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options DDB # Enable the kernel debugger
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options INVARIANTS # Enable calls of extra sanity checking
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options INVARIANT_SUPPORT # Extra sanity checks of internal structures, required by INVARIANTS
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#options WITNESS # Enable checks to detect deadlocks and cycles
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#options WITNESS_SKIPSPIN # Don't run witness on spinlocks for speed
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#options DIAGNOSTIC
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device bpf
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device loop
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device ether
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device uart
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device pty
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device snp
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device pl011
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device virtio
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device virtio_mmio
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device virtio_blk
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device vtnet
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device md
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device random # Entropy device
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# Flattened Device Tree
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options FDT # Configure using FDT/DTB data
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16
sys/arm/qemu/files.qemu
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16
sys/arm/qemu/files.qemu
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@ -0,0 +1,16 @@
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# $FreeBSD$
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#
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# Standard ARM support.
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#
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arm/arm/bus_space_base.c standard
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arm/arm/bus_space_generic.c standard
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kern/kern_clocksource.c standard
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#
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# Standard qemu virt devices and support.
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#
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arm/arm/gic.c standard
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arm/arm/generic_timer.c standard
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arm/qemu/virt_common.c standard
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arm/qemu/virt_machdep.c standard
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15
sys/arm/qemu/std.virt
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15
sys/arm/qemu/std.virt
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# $FreeBSD$
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machine arm armv6
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cpu CPU_CORTEXA
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makeoptions CONF_CFLAGS="-march=armv7a"
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makeoptions ARM_LITTLE_ENDIAN
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options ARM_L2_PIPT
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options KERNVIRTADDR = 0xc0000000
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makeoptions KERNVIRTADDR = 0xc0000000
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options IPI_IRQ_START=0
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options IPI_IRQ_END=15
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files "../qemu/files.qemu"
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45
sys/arm/qemu/virt_common.c
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45
sys/arm/qemu/virt_common.c
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/*-
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* Copyright (c) 2015 Andrew Turner
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <dev/fdt/fdt_common.h>
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#include <machine/intr.h>
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struct fdt_fixup_entry fdt_fixup_table[] = {
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{ NULL, NULL }
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};
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fdt_pic_decode_t fdt_pic_table[] = {
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&gic_decode_fdt,
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NULL
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};
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92
sys/arm/qemu/virt_machdep.c
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92
sys/arm/qemu/virt_machdep.c
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/*-
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* Copyright (c) 2015 Andrew Turner
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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#include "opt_platform.h"
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#define _ARM32_BUS_DMA_PRIVATE
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <vm/vm.h>
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#include <machine/bus.h>
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#include <machine/devmap.h>
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#include <machine/platform.h>
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#include <machine/platformvar.h>
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#include "platform_if.h"
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struct arm32_dma_range *
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bus_dma_get_range(void)
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{
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return (NULL);
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}
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int
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bus_dma_get_range_nb(void)
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{
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return (0);
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}
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void
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cpu_reset(void)
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{
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while (1);
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}
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static vm_offset_t
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virt_lastaddr(platform_t plat)
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{
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return (arm_devmap_lastaddr());
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}
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/*
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* Set up static device mappings.
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*/
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static int
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virt_devmap_init(platform_t plat)
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{
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arm_devmap_add_entry(0x09000000, 0x100000); /* Uart */
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return (0);
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}
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static platform_method_t virt_methods[] = {
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PLATFORMMETHOD(platform_devmap_init, virt_devmap_init),
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PLATFORMMETHOD(platform_lastaddr, virt_lastaddr),
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PLATFORMMETHOD_END,
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};
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FDT_PLATFORM_DEF(virt, "virt", 0, "linux,dummy-virt");
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