1 files changed, 564 insertions, 0 deletions
diff --git a/sys/cddl/contrib/opensolaris/uts/common/arch/amd64/atomic.S b/sys/cddl/contrib/opensolaris/uts/common/arch/amd64/atomic.S
new file mode 100644
index 0000000..1fa3c05
--- /dev/null
+++ b/sys/cddl/contrib/opensolaris/uts/common/arch/amd64/atomic.S
@@ -0,0 +1,564 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License, Version 1.0 only
+ * (the "License").  You may not use this file except in compliance
+ * with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+	.ident	"%Z%%M%	%I%	%E% SMI"
+
+	.file	"%M%"
+
+#define _ASM
+#include <sys/asm_linkage.h>
+
+#if defined(_KERNEL)
+	/*
+	 * Legacy kernel interfaces; they will go away (eventually).
+	 */
+	ANSI_PRAGMA_WEAK2(cas8,atomic_cas_8,function)
+	ANSI_PRAGMA_WEAK2(cas32,atomic_cas_32,function)
+	ANSI_PRAGMA_WEAK2(cas64,atomic_cas_64,function)
+	ANSI_PRAGMA_WEAK2(caslong,atomic_cas_ulong,function)
+	ANSI_PRAGMA_WEAK2(casptr,atomic_cas_ptr,function)
+	ANSI_PRAGMA_WEAK2(atomic_and_long,atomic_and_ulong,function)
+	ANSI_PRAGMA_WEAK2(atomic_or_long,atomic_or_ulong,function)
+#endif
+
+	ENTRY(atomic_inc_8)
+	ALTENTRY(atomic_inc_uchar)
+	lock
+	incb	(%rdi)
+	ret
+	SET_SIZE(atomic_inc_uchar)
+	SET_SIZE(atomic_inc_8)
+
+	ENTRY(atomic_inc_16)
+	ALTENTRY(atomic_inc_ushort)
+	lock
+	incw	(%rdi)
+	ret
+	SET_SIZE(atomic_inc_ushort)
+	SET_SIZE(atomic_inc_16)
+
+	ENTRY(atomic_inc_32)
+	ALTENTRY(atomic_inc_uint)
+	lock
+	incl	(%rdi)
+	ret
+	SET_SIZE(atomic_inc_uint)
+	SET_SIZE(atomic_inc_32)
+
+	ENTRY(atomic_inc_64)
+	ALTENTRY(atomic_inc_ulong)
+	lock
+	incq	(%rdi)
+	ret
+	SET_SIZE(atomic_inc_ulong)
+	SET_SIZE(atomic_inc_64)
+
+	ENTRY(atomic_inc_8_nv)
+	ALTENTRY(atomic_inc_uchar_nv)
+	movb	(%rdi), %al
+1:
+	leaq	1(%rax), %rcx
+	lock
+	cmpxchgb %cl, (%rdi)
+	jne	1b
+	movzbl	%cl, %eax
+	ret
+	SET_SIZE(atomic_inc_uchar_nv)
+	SET_SIZE(atomic_inc_8_nv)
+
+	ENTRY(atomic_inc_16_nv)
+	ALTENTRY(atomic_inc_ushort_nv)
+	movw	(%rdi), %ax
+1:
+	leaq	1(%rax), %rcx
+	lock
+	cmpxchgw %cx, (%rdi)
+	jne	1b
+	movzwl	%cx, %eax
+	ret
+	SET_SIZE(atomic_inc_ushort_nv)
+	SET_SIZE(atomic_inc_16_nv)
+
+	ENTRY(atomic_inc_32_nv)
+	ALTENTRY(atomic_inc_uint_nv)
+	movl	(%rdi), %eax
+1:
+	leaq	1(%rax), %rcx
+	lock
+	cmpxchgl %ecx, (%rdi)
+	jne	1b
+	movl	%ecx, %eax
+	ret
+	SET_SIZE(atomic_inc_uint_nv)
+	SET_SIZE(atomic_inc_32_nv)
+
+	ENTRY(atomic_inc_64_nv)
+	ALTENTRY(atomic_inc_ulong_nv)
+	movq	(%rdi), %rax
+1:
+	leaq	1(%rax), %rcx
+	lock
+	cmpxchgq %rcx, (%rdi)
+	jne	1b
+	movq	%rcx, %rax
+	ret
+	SET_SIZE(atomic_inc_ulong_nv)
+	SET_SIZE(atomic_inc_64_nv)
+
+	ENTRY(atomic_dec_8)
+	ALTENTRY(atomic_dec_uchar)
+	lock
+	decb	(%rdi)
+	ret
+	SET_SIZE(atomic_dec_uchar)
+	SET_SIZE(atomic_dec_8)
+
+	ENTRY(atomic_dec_16)
+	ALTENTRY(atomic_dec_ushort)
+	lock
+	decw	(%rdi)
+	ret
+	SET_SIZE(atomic_dec_ushort)
+	SET_SIZE(atomic_dec_16)
+
+	ENTRY(atomic_dec_32)
+	ALTENTRY(atomic_dec_uint)
+	lock
+	decl	(%rdi)
+	ret
+	SET_SIZE(atomic_dec_uint)
+	SET_SIZE(atomic_dec_32)
+
+	ENTRY(atomic_dec_64)
+	ALTENTRY(atomic_dec_ulong)
+	lock
+	decq	(%rdi)
+	ret
+	SET_SIZE(atomic_dec_ulong)
+	SET_SIZE(atomic_dec_64)
+
+	ENTRY(atomic_dec_8_nv)
+	ALTENTRY(atomic_dec_uchar_nv)
+	movb	(%rdi), %al
+1:
+	leaq	-1(%rax), %rcx
+	lock
+	cmpxchgb %cl, (%rdi)
+	jne	1b
+	movzbl	%cl, %eax
+	ret
+	SET_SIZE(atomic_dec_uchar_nv)
+	SET_SIZE(atomic_dec_8_nv)
+
+	ENTRY(atomic_dec_16_nv)
+	ALTENTRY(atomic_dec_ushort_nv)
+	movw	(%rdi), %ax
+1:
+	leaq	-1(%rax), %rcx
+	lock
+	cmpxchgw %cx, (%rdi)
+	jne	1b
+	movzwl	%cx, %eax
+	ret
+	SET_SIZE(atomic_dec_ushort_nv)
+	SET_SIZE(atomic_dec_16_nv)
+
+	ENTRY(atomic_dec_32_nv)
+	ALTENTRY(atomic_dec_uint_nv)
+	movl	(%rdi), %eax
+1:
+	leaq	-1(%rax), %rcx
+	lock
+	cmpxchgl %ecx, (%rdi)
+	jne	1b
+	movl	%ecx, %eax
+	ret
+	SET_SIZE(atomic_dec_uint_nv)
+	SET_SIZE(atomic_dec_32_nv)
+
+	ENTRY(atomic_dec_64_nv)
+	ALTENTRY(atomic_dec_ulong_nv)
+	movq	(%rdi), %rax
+1:
+	leaq	-1(%rax), %rcx
+	lock
+	cmpxchgq %rcx, (%rdi)
+	jne	1b
+	movq	%rcx, %rax
+	ret
+	SET_SIZE(atomic_dec_ulong_nv)
+	SET_SIZE(atomic_dec_64_nv)
+
+	ENTRY(atomic_or_8)
+	ALTENTRY(atomic_or_uchar)
+	lock
+	orb	%sil, (%rdi)
+	ret
+	SET_SIZE(atomic_or_uchar)
+	SET_SIZE(atomic_or_8)
+
+	ENTRY(atomic_or_16)
+	ALTENTRY(atomic_or_ushort)
+	lock
+	orw	%si, (%rdi)
+	ret
+	SET_SIZE(atomic_or_ushort)
+	SET_SIZE(atomic_or_16)
+
+	ENTRY(atomic_or_32)
+	ALTENTRY(atomic_or_uint)
+	lock
+	orl	%esi, (%rdi)
+	ret
+	SET_SIZE(atomic_or_uint)
+	SET_SIZE(atomic_or_32)
+
+	ENTRY(atomic_or_64)
+	ALTENTRY(atomic_or_ulong)
+	lock
+	orq	%rsi, (%rdi)
+	ret
+	SET_SIZE(atomic_or_ulong)
+	SET_SIZE(atomic_or_64)
+
+	ENTRY(atomic_and_8)
+	ALTENTRY(atomic_and_uchar)
+	lock
+	andb	%sil, (%rdi)
+	ret
+	SET_SIZE(atomic_and_uchar)
+	SET_SIZE(atomic_and_8)
+
+	ENTRY(atomic_and_16)
+	ALTENTRY(atomic_and_ushort)
+	lock
+	andw	%si, (%rdi)
+	ret
+	SET_SIZE(atomic_and_ushort)
+	SET_SIZE(atomic_and_16)
+
+	ENTRY(atomic_and_32)
+	ALTENTRY(atomic_and_uint)
+	lock
+	andl	%esi, (%rdi)
+	ret
+	SET_SIZE(atomic_and_uint)
+	SET_SIZE(atomic_and_32)
+
+	ENTRY(atomic_and_64)
+	ALTENTRY(atomic_and_ulong)
+	lock
+	andq	%rsi, (%rdi)
+	ret
+	SET_SIZE(atomic_and_ulong)
+	SET_SIZE(atomic_and_64)
+
+	ENTRY(atomic_add_8_nv)
+	ALTENTRY(atomic_add_char_nv)
+	movb	(%rdi), %al
+1:
+	movb	%sil, %cl
+	addb	%al, %cl
+	lock
+	cmpxchgb %cl, (%rdi)
+	jne	1b
+	movzbl	%cl, %eax
+	ret
+	SET_SIZE(atomic_add_char_nv)
+	SET_SIZE(atomic_add_8_nv)
+
+	ENTRY(atomic_add_16_nv)
+	ALTENTRY(atomic_add_short_nv)
+	movw	(%rdi), %ax
+1:
+	movw	%si, %cx
+	addw	%ax, %cx
+	lock
+	cmpxchgw %cx, (%rdi)
+	jne	1b
+	movzwl	%cx, %eax
+	ret
+	SET_SIZE(atomic_add_short_nv)
+	SET_SIZE(atomic_add_16_nv)
+
+	ENTRY(atomic_add_32_nv)
+	ALTENTRY(atomic_add_int_nv)
+	movl	(%rdi), %eax
+1:
+	movl	%esi, %ecx
+	addl	%eax, %ecx
+	lock
+	cmpxchgl %ecx, (%rdi)
+	jne	1b
+	movl	%ecx, %eax
+	ret
+	SET_SIZE(atomic_add_int_nv)
+	SET_SIZE(atomic_add_32_nv)
+
+	ENTRY(atomic_add_64_nv)
+	ALTENTRY(atomic_add_ptr_nv)
+	ALTENTRY(atomic_add_long_nv)
+	movq	(%rdi), %rax
+1:
+	movq	%rsi, %rcx
+	addq	%rax, %rcx
+	lock
+	cmpxchgq %rcx, (%rdi)
+	jne	1b
+	movq	%rcx, %rax
+	ret
+	SET_SIZE(atomic_add_long_nv)
+	SET_SIZE(atomic_add_ptr_nv)
+	SET_SIZE(atomic_add_64_nv)
+
+	ENTRY(atomic_and_8_nv)
+	ALTENTRY(atomic_and_uchar_nv)
+	movb	(%rdi), %al
+1:
+	movb	%sil, %cl
+	andb	%al, %cl
+	lock
+	cmpxchgb %cl, (%rdi)
+	jne	1b
+	movzbl	%cl, %eax
+	ret
+	SET_SIZE(atomic_and_uchar_nv)
+	SET_SIZE(atomic_and_8_nv)
+
+	ENTRY(atomic_and_16_nv)
+	ALTENTRY(atomic_and_ushort_nv)
+	movw	(%rdi), %ax
+1:
+	movw	%si, %cx
+	andw	%ax, %cx
+	lock
+	cmpxchgw %cx, (%rdi)
+	jne	1b
+	movzwl	%cx, %eax
+	ret
+	SET_SIZE(atomic_and_ushort_nv)
+	SET_SIZE(atomic_and_16_nv)
+
+	ENTRY(atomic_and_32_nv)
+	ALTENTRY(atomic_and_uint_nv)
+	movl	(%rdi), %eax
+1:
+	movl	%esi, %ecx
+	andl	%eax, %ecx
+	lock
+	cmpxchgl %ecx, (%rdi)
+	jne	1b
+	movl	%ecx, %eax
+	ret
+	SET_SIZE(atomic_and_uint_nv)
+	SET_SIZE(atomic_and_32_nv)
+
+	ENTRY(atomic_and_64_nv)
+	ALTENTRY(atomic_and_ulong_nv)
+	movq	(%rdi), %rax
+1:
+	movq	%rsi, %rcx
+	andq	%rax, %rcx
+	lock
+	cmpxchgq %rcx, (%rdi)
+	jne	1b
+	movq	%rcx, %rax
+	ret
+	SET_SIZE(atomic_and_ulong_nv)
+	SET_SIZE(atomic_and_64_nv)
+
+	ENTRY(atomic_or_8_nv)
+	ALTENTRY(atomic_or_uchar_nv)
+	movb	(%rdi), %al
+1:
+	movb	%sil, %cl
+	orb	%al, %cl
+	lock
+	cmpxchgb %cl, (%rdi)
+	jne	1b
+	movzbl	%cl, %eax
+	ret
+	SET_SIZE(atomic_and_uchar_nv)
+	SET_SIZE(atomic_and_8_nv)
+
+	ENTRY(atomic_or_16_nv)
+	ALTENTRY(atomic_or_ushort_nv)
+	movw	(%rdi), %ax
+1:
+	movw	%si, %cx
+	orw	%ax, %cx
+	lock
+	cmpxchgw %cx, (%rdi)
+	jne	1b
+	movzwl	%cx, %eax
+	ret
+	SET_SIZE(atomic_or_ushort_nv)
+	SET_SIZE(atomic_or_16_nv)
+
+	ENTRY(atomic_or_32_nv)
+	ALTENTRY(atomic_or_uint_nv)
+	movl	(%rdi), %eax
+1:
+	movl	%esi, %ecx
+	orl	%eax, %ecx
+	lock
+	cmpxchgl %ecx, (%rdi)
+	jne	1b
+	movl	%ecx, %eax
+	ret
+	SET_SIZE(atomic_or_uint_nv)
+	SET_SIZE(atomic_or_32_nv)
+
+	ENTRY(atomic_or_64_nv)
+	ALTENTRY(atomic_or_ulong_nv)
+	movq	(%rdi), %rax
+1:
+	movq	%rsi, %rcx
+	orq	%rax, %rcx
+	lock
+	cmpxchgq %rcx, (%rdi)
+	jne	1b
+	movq	%rcx, %rax
+	ret
+	SET_SIZE(atomic_or_ulong_nv)
+	SET_SIZE(atomic_or_64_nv)
+
+	ENTRY(atomic_cas_8)
+	ALTENTRY(atomic_cas_uchar)
+	movzbl	%sil, %eax
+	lock
+	cmpxchgb %dl, (%rdi)
+	ret
+	SET_SIZE(atomic_cas_uchar)
+	SET_SIZE(atomic_cas_8)
+
+	ENTRY(atomic_cas_16)
+	ALTENTRY(atomic_cas_ushort)
+	movzwl	%si, %eax
+	lock
+	cmpxchgw %dx, (%rdi)
+	ret
+	SET_SIZE(atomic_cas_ushort)
+	SET_SIZE(atomic_cas_16)
+
+	ENTRY(atomic_cas_32)
+	ALTENTRY(atomic_cas_uint)
+	movl	%esi, %eax
+	lock
+	cmpxchgl %edx, (%rdi)
+	ret
+	SET_SIZE(atomic_cas_uint)
+	SET_SIZE(atomic_cas_32)
+
+	ENTRY(atomic_cas_64)
+	ALTENTRY(atomic_cas_ulong)
+	ALTENTRY(atomic_cas_ptr)
+	movq	%rsi, %rax
+	lock
+	cmpxchgq %rdx, (%rdi)
+	ret
+	SET_SIZE(atomic_cas_ptr)
+	SET_SIZE(atomic_cas_ulong)
+	SET_SIZE(atomic_cas_64)
+
+	ENTRY(atomic_swap_8)
+	ALTENTRY(atomic_swap_uchar)
+	movzbl	%sil, %eax
+	lock
+	xchgb %al, (%rdi)
+	ret
+	SET_SIZE(atomic_swap_uchar)
+	SET_SIZE(atomic_swap_8)
+
+	ENTRY(atomic_swap_16)
+	ALTENTRY(atomic_swap_ushort)
+	movzwl	%si, %eax
+	lock
+	xchgw %ax, (%rdi)
+	ret
+	SET_SIZE(atomic_swap_ushort)
+	SET_SIZE(atomic_swap_16)
+
+	ENTRY(atomic_swap_32)
+	ALTENTRY(atomic_swap_uint)
+	movl	%esi, %eax
+	lock
+	xchgl %eax, (%rdi)
+	ret
+	SET_SIZE(atomic_swap_uint)
+	SET_SIZE(atomic_swap_32)
+
+	ENTRY(atomic_swap_64)
+	ALTENTRY(atomic_swap_ulong)
+	ALTENTRY(atomic_swap_ptr)
+	movq	%rsi, %rax
+	lock
+	xchgq %rax, (%rdi)
+	ret
+	SET_SIZE(atomic_swap_ptr)
+	SET_SIZE(atomic_swap_ulong)
+	SET_SIZE(atomic_swap_64)
+
+	ENTRY(atomic_set_long_excl)
+	xorl	%eax, %eax
+	lock
+	btsq	%rsi, (%rdi)
+	jnc	1f
+	decl	%eax
+1:
+	ret
+	SET_SIZE(atomic_set_long_excl)
+
+	ENTRY(atomic_clear_long_excl)
+	xorl	%eax, %eax
+	lock
+	btrq	%rsi, (%rdi)
+	jc	1f
+	decl	%eax
+1:
+	ret
+	SET_SIZE(atomic_clear_long_excl)
+
+	ENTRY(membar_enter)
+	ALTENTRY(membar_exit)
+	mfence
+	ret
+	SET_SIZE(membar_exit)
+	SET_SIZE(membar_enter)
+
+	ENTRY(membar_producer)
+	sfence
+	ret
+	SET_SIZE(membar_producer)
+
+	ENTRY(membar_consumer)
+	lfence
+	ret
+	SET_SIZE(membar_consumer)
+
+#ifdef __ELF__
+.section .note.GNU-stack,"",%progbits
+#endif