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Implement the Linux/arm64 VDSO gettimeofday and clock_gettime

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These are used by Centos 7 and will be needed for the
emulators/linux_base-c7 port.

Sponsored by:	DARPA, AFRL
This commit is contained in:
Andrew Turner 2020-02-08 13:35:56 +00:00
parent 73f20bb3a9
commit eb43a03acb
1 changed files with 7 additions and 2 deletions
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9
sys/arm64/linux/linux_locore.asm
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@ -2,6 +2,7 @@
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Copyright (C) 2018 Turing Robotic Industries Inc.
* Copyright (C) 2020 Andrew Turner <andrew@FreeBSD.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
@ -33,6 +34,8 @@
#include <machine/asm.h>
#include <arm64/linux/linux_syscall.h>
.data
.globl linux_platform
@ -46,11 +49,13 @@ ENTRY(__kernel_rt_sigreturn)
ret
ENTRY(__kernel_gettimeofday)
brk #0 /* LINUXTODO: implement __kernel_gettimeofday */
ldr x8, =LINUX_SYS_gettimeofday
svc #0
ret
ENTRY(__kernel_clock_gettime)
brk #0 /* LINUXTODO: implement __kernel_clock_gettime */
ldr x8, =LINUX_SYS_linux_clock_gettime
svc #0
ret
ENTRY(__kernel_clock_getres)