Add psci for arm64. This is currently used when rebooting and powering off
in qemu. Sponsored by: The FreeBSD Foundation
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parent
2d790e26e5
commit
7d9cff3d23
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=281497
@ -84,6 +84,7 @@ device tun # Packet tunnel.
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device md # Memory "disks"
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device gif # IPv6 and IPv4 tunneling
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device firmware # firmware assist module
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device psci # Support for ARM PSCI
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# The `bpf' device enables the Berkeley Packet Filter.
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# Be aware of the administrative consequences of enabling this!
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@ -34,6 +34,8 @@ arm64/arm64/vfp.c standard
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arm64/arm64/vm_machdep.c standard
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dev/fdt/fdt_arm64.c optional fdt
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dev/ofw/ofw_cpu.c optional fdt
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dev/psci/psci.c optional psci
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dev/psci/psci_arm64.S optional psci
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dev/uart/uart_cpu_fdt.c optional uart fdt
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dev/uart/uart_dev_pl011.c optional uart pl011
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kern/kern_clocksource.c standard
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49
sys/dev/psci/psci_arm64.S
Normal file
49
sys/dev/psci/psci_arm64.S
Normal file
@ -0,0 +1,49 @@
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/*-
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* Copyright (c) 2013, 2014 Robin Randhawa
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* Copyright (c) 2015 The FreeBSD Foundation
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* All rights reserved.
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*
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* This software was developed by Andrew Turner under
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* sponsorship from the FreeBSD Foundation.
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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 <machine/asm.h>
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__FBSDID("$FreeBSD$");
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/*
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* uint64_t psci_hvc_despatch(uint64_t psci_fnid, uint64_t, uint64_t, uint64_t)
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*/
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ENTRY(psci_hvc_despatch)
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hvc #0
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ret
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END(psci_hvc_despatch)
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/*
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* uint64_t psci_smc_despatch(uint64_t psci_fnid, uint64_t, uint64_t, uint64_t)
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*/
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ENTRY(psci_smc_despatch)
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smc #0
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ret
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END(psci_hvc_despatch)
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