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-rw-r--r--lib/libsys/arm/Makefile.sys6
-rw-r--r--lib/libsys/arm/SYS.h70
-rw-r--r--lib/libsys/arm/Symbol.sys.map3
-rw-r--r--lib/libsys/arm/__vdso_gettc.c81
-rw-r--r--lib/libsys/arm/cerror.S48
-rw-r--r--lib/libsys/arm/vfork.S58
6 files changed, 266 insertions, 0 deletions
diff --git a/lib/libsys/arm/Makefile.sys b/lib/libsys/arm/Makefile.sys
new file mode 100644
index 000000000000..27d78978a2f4
--- /dev/null
+++ b/lib/libsys/arm/Makefile.sys
@@ -0,0 +1,6 @@
+SRCS+= __vdso_gettc.c \
+ sched_getcpu_gen.c
+
+MDASM= \
+ cerror.S \
+ vfork.S
diff --git a/lib/libsys/arm/SYS.h b/lib/libsys/arm/SYS.h
new file mode 100644
index 000000000000..187851c67543
--- /dev/null
+++ b/lib/libsys/arm/SYS.h
@@ -0,0 +1,70 @@
+/* $NetBSD: SYS.h,v 1.8 2003/08/07 16:42:02 agc Exp $ */
+
+/*-
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ * Copyright (c) 1990 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * William Jolitz.
+ *
+ * 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. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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 <machine/asm.h>
+#include <sys/syscall.h>
+
+#define _SYSCALL(x) \
+ mov ip, r7; \
+ ldr r7, =SYS_ ## x; \
+ swi 0; \
+ mov r7, ip
+
+#define CERROR _C_LABEL(cerror)
+
+#ifndef _SYSCALL_BODY
+#define _SYSCALL_BODY(x) \
+ _SYSCALL(x); \
+ it cs; \
+ bcs PIC_SYM(CERROR, PLT); \
+ RET
+#endif
+
+#define PSEUDO(x) \
+ ENTRY(__CONCAT(__sys_, x)); \
+ .weak _C_LABEL(__CONCAT(_,x)); \
+ .set _C_LABEL(__CONCAT(_,x)),_C_LABEL(__CONCAT(__sys_,x)); \
+ _SYSCALL_BODY(x)
+
+#define RSYSCALL(x) \
+ ENTRY(__CONCAT(__sys_, x)); \
+ .weak _C_LABEL(x); \
+ .set _C_LABEL(x), _C_LABEL(__CONCAT(__sys_,x)); \
+ .weak _C_LABEL(__CONCAT(_,x)); \
+ .set _C_LABEL(__CONCAT(_,x)),_C_LABEL(__CONCAT(__sys_,x)); \
+ _SYSCALL_BODY(x); \
+
+ .globl CERROR
diff --git a/lib/libsys/arm/Symbol.sys.map b/lib/libsys/arm/Symbol.sys.map
new file mode 100644
index 000000000000..a9445ae7ba23
--- /dev/null
+++ b/lib/libsys/arm/Symbol.sys.map
@@ -0,0 +1,3 @@
+FBSDprivate_1.0 {
+ _vfork;
+};
diff --git a/lib/libsys/arm/__vdso_gettc.c b/lib/libsys/arm/__vdso_gettc.c
new file mode 100644
index 000000000000..cb4bdec1e8ef
--- /dev/null
+++ b/lib/libsys/arm/__vdso_gettc.c
@@ -0,0 +1,81 @@
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Copyright (c) 2015 The FreeBSD Foundation
+ *
+ * This software was developed by Konstantin Belousov
+ * under sponsorship from the FreeBSD Foundation.
+ *
+ * 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 AUTHOR 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 AUTHOR 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/types.h>
+#include <sys/elf.h>
+#include <sys/time.h>
+#include <sys/vdso.h>
+#include <machine/cpufunc.h>
+#include <machine/acle-compat.h>
+#include <errno.h>
+#include "libc_private.h"
+
+static inline uint64_t
+cp15_cntvct_get(void)
+{
+ uint64_t reg;
+
+ __asm __volatile("mrrc\tp15, 1, %Q0, %R0, c14" : "=r" (reg));
+ return (reg);
+}
+
+static inline uint64_t
+cp15_cntpct_get(void)
+{
+ uint64_t reg;
+
+ __asm __volatile("mrrc\tp15, 0, %Q0, %R0, c14" : "=r" (reg));
+ return (reg);
+}
+
+#pragma weak __vdso_gettc
+int
+__vdso_gettc(const struct vdso_timehands *th, u_int *tc)
+{
+
+ if (th->th_algo != VDSO_TH_ALGO_ARM_GENTIM)
+ return (ENOSYS);
+ /*
+ * Userspace gettimeofday() is only enabled on ARMv7 CPUs, but
+ * libc is compiled for ARMv6. Due to clang issues, .arch
+ * armv7-a directive does not work.
+ */
+ __asm __volatile(".word\t0xf57ff06f" : : : "memory"); /* isb */
+ *tc = th->th_physical == 0 ? cp15_cntvct_get() : cp15_cntpct_get();
+ return (0);
+}
+
+#pragma weak __vdso_gettimekeep
+int
+__vdso_gettimekeep(struct vdso_timekeep **tk)
+{
+
+ return (_elf_aux_info(AT_TIMEKEEP, tk, sizeof(*tk)));
+}
diff --git a/lib/libsys/arm/cerror.S b/lib/libsys/arm/cerror.S
new file mode 100644
index 000000000000..7a9947fe7df3
--- /dev/null
+++ b/lib/libsys/arm/cerror.S
@@ -0,0 +1,48 @@
+/* $NetBSD: cerror.S,v 1.5 2003/08/07 16:42:04 agc Exp $ */
+
+/*-
+ * Copyright (c) 1990 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * 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. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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 <machine/asm.h>
+#include "SYS.h"
+
+.globl _C_LABEL(__error)
+.type _C_LABEL(__error),%function
+
+ASENTRY(CERROR)
+ stmfd sp!, {r4, lr}
+ mov r4, r0
+ bl PIC_SYM(_C_LABEL(__error), PLT)
+ str r4, [r0]
+ mvn r0, #0x00000000
+ mvn r1, #0x00000000
+ ldmfd sp!, {r4, pc}
+END(CERROR)
+
+ .section .note.GNU-stack,"",%progbits
diff --git a/lib/libsys/arm/vfork.S b/lib/libsys/arm/vfork.S
new file mode 100644
index 000000000000..ef9a426c6de5
--- /dev/null
+++ b/lib/libsys/arm/vfork.S
@@ -0,0 +1,58 @@
+/* $NetBSD: Ovfork.S,v 1.6 2003/08/07 16:42:03 agc Exp $ */
+
+/*-
+ * Copyright (c) 1990 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * 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. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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 <machine/asm.h>
+#include "SYS.h"
+
+/*
+ * pid = vfork();
+ *
+ * On return from the SWI:
+ * r1 == 0 in parent process, r1 == 1 in child process.
+ * r0 == pid of child in parent, r0 == pid of parent in child.
+ */
+ .text
+ .align 0
+
+ENTRY(__sys_vfork)
+ .weak _C_LABEL(vfork);
+ .set _C_LABEL(vfork), _C_LABEL(__sys_vfork);
+ .weak _C_LABEL(_vfork);
+ .set _C_LABEL(_vfork), _C_LABEL(__sys_vfork);
+ mov r2, r14
+ _SYSCALL(vfork)
+ bcs PIC_SYM(CERROR, PLT)
+ sub r1, r1, #1 /* r1 == 0xffffffff if parent, 0 if child */
+ and r0, r0, r1 /* r0 == 0 if child, else unchanged */
+ mov r15, r2
+END(__sys_vfork)
+
+ .section .note.GNU-stack,"",%progbits
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