aboutsummaryrefslogtreecommitdiff
path: root/lib/libsys/powerpc64
diff options
context:
space:
mode:
Diffstat (limited to 'lib/libsys/powerpc64')
-rw-r--r--lib/libsys/powerpc64/Makefile.sys4
-rw-r--r--lib/libsys/powerpc64/SYS.h73
-rw-r--r--lib/libsys/powerpc64/__vdso_gettc.c62
-rw-r--r--lib/libsys/powerpc64/cerror.S59
4 files changed, 198 insertions, 0 deletions
diff --git a/lib/libsys/powerpc64/Makefile.sys b/lib/libsys/powerpc64/Makefile.sys
new file mode 100644
index 000000000000..9979d5179f51
--- /dev/null
+++ b/lib/libsys/powerpc64/Makefile.sys
@@ -0,0 +1,4 @@
+SRCS+= __vdso_gettc.c \
+ sched_getcpu_gen.c
+
+MDASM+= cerror.S
diff --git a/lib/libsys/powerpc64/SYS.h b/lib/libsys/powerpc64/SYS.h
new file mode 100644
index 000000000000..ceb85bb4e361
--- /dev/null
+++ b/lib/libsys/powerpc64/SYS.h
@@ -0,0 +1,73 @@
+/*-
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ * Copyright (c) 2002 Benno Rice. All rights reserved.
+ * Copyright (c) 2002 David E. O'Brien. 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 author nor the names of any contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * 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 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.
+ *
+ * $NetBSD: SYS.h,v 1.8 2002/01/14 00:55:56 thorpej Exp $
+ */
+
+#include <sys/syscall.h>
+#include <machine/asm.h>
+
+#define _SYSCALL(name) \
+ .text; \
+ .align 2; \
+ li 0,(SYS_##name); \
+ sc
+
+#ifndef _SYSCALL_BODY
+#define _SYSCALL_BODY(name) \
+ _SYSCALL(name); \
+ bnslr; \
+ mflr %r0; \
+ std %r0,16(%r1); \
+ stdu %r1,-48(%r1); \
+ bl CNAME(HIDENAME(cerror)); \
+ nop; \
+ addi %r1,%r1,48; \
+ ld %r0,16(%r1); \
+ mtlr %r0; \
+ blr
+#endif
+
+#define PSEUDO(name) \
+ .text; \
+ .align 2; \
+ENTRY(__sys_##name); \
+ WEAK_REFERENCE(__sys_##name, _##name); \
+ _SYSCALL_BODY(name); \
+END(__sys_##name)
+
+#define RSYSCALL(name) \
+ .text; \
+ .align 2; \
+ENTRY(__sys_##name); \
+ WEAK_REFERENCE(__sys_##name, name); \
+ WEAK_REFERENCE(__sys_##name, _##name); \
+ _SYSCALL_BODY(name); \
+END(__sys_##name)
diff --git a/lib/libsys/powerpc64/__vdso_gettc.c b/lib/libsys/powerpc64/__vdso_gettc.c
new file mode 100644
index 000000000000..c1de60a5b956
--- /dev/null
+++ b/lib/libsys/powerpc64/__vdso_gettc.c
@@ -0,0 +1,62 @@
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Copyright (c) 2020 Brandon Bergren <bdragon@FreeBSD.org>
+ *
+ * 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 <errno.h>
+
+#include "libc_private.h"
+
+#pragma weak __vdso_gettc
+int
+__vdso_gettc(const struct vdso_timehands *th, u_int *tc)
+{
+ u_quad_t tb;
+
+ if (__predict_false(th->th_algo != VDSO_TH_ALGO_PPC_TB))
+ return (ENOSYS);
+
+ __asm __volatile ("mftb %0" : "=r"(tb));
+ *tc = tb;
+ 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/powerpc64/cerror.S b/lib/libsys/powerpc64/cerror.S
new file mode 100644
index 000000000000..2be58cf8a84b
--- /dev/null
+++ b/lib/libsys/powerpc64/cerror.S
@@ -0,0 +1,59 @@
+/*-
+ * Copyright (c) 2002 Peter Grehan.
+ * 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.
+ *
+ * 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.
+ */
+/* $NetBSD: cerror.S,v 1.5 2000/01/27 14:58:48 kleink Exp $ */
+
+#include <machine/asm.h>
+#include "SYS.h"
+
+ .globl HIDENAME(cerror)
+ .globl CNAME(__error)
+
+ /*
+ * The __error() function is thread aware. For non-threaded
+ * programs and the initial thread in threaded programs,
+ * it returns a pointer to the global errno variable.
+ */
+ENTRY_NOPROF(HIDENAME(cerror))
+ mflr %r0
+ std %r0,16(%r1) /* save lr */
+ stdu %r1,-64(%r1) /* allocate new stack frame */
+ std %r31,48(%r1)
+
+ mr %r31,%r3 /* stash errval in callee-saved register */
+ bl CNAME(__error)
+ nop
+ stw %r31,0(%r3) /* store errval into &errno */
+
+ ld %r31,48(%r1)
+ ld %r1,0(%r1)
+ ld %r0,16(%r1)
+ mtlr %r0
+ li %r3,-1
+ li %r4,-1
+ blr
+END(HIDENAME(cerror))
+
+ .section .note.GNU-stack,"",%progbits