diff options
Diffstat (limited to 'usr/src/uts/i86xpv/ml/ia32.il')
| -rw-r--r-- | usr/src/uts/i86xpv/ml/ia32.il | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/usr/src/uts/i86xpv/ml/ia32.il b/usr/src/uts/i86xpv/ml/ia32.il new file mode 100644 index 0000000000..64e7515b3e --- /dev/null +++ b/usr/src/uts/i86xpv/ml/ia32.il @@ -0,0 +1,103 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (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 2007 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +#pragma ident "%Z%%M% %I% %E% SMI" + +/ +/ Inline functions for the x86 kernel running on the hypervisor +/ + + .inline __hypercall0, 4 + movl (%esp), %eax + int $0x82 + .end + + .inline __hypercall1, 8 + pushl %ebx + movl 4(%esp), %eax + movl 8(%esp), %ebx + int $0x82 + popl %ebx + .end + + .inline __hypercall2, 12 + pushl %ebx + movl 4(%esp), %eax + movl 8(%esp), %ebx + movl 12(%esp), %ecx + int $0x82 + popl %ebx + .end + + .inline __hypercall3, 16 + pushl %ebx + movl 4(%esp), %eax + movl 8(%esp), %ebx + movl 12(%esp), %ecx + movl 16(%esp), %edx + int $0x82 + popl %ebx + .end + + .inline __hypercall4, 20 + pushl %ebx + pushl %esi + movl 8(%esp), %eax + movl 12(%esp), %ebx + movl 16(%esp), %ecx + movl 20(%esp), %edx + movl 24(%esp), %esi + int $0x82 + popl %esi + popl %ebx + .end + + .inline __hypercall5, 24 + pushl %ebx + pushl %esi + pushl %edi + movl 12(%esp), %eax + movl 16(%esp), %ebx + movl 20(%esp), %ecx + movl 24(%esp), %edx + movl 28(%esp), %esi + movl 32(%esp), %edi + int $0x82 + popl %edi + popl %esi + popl %ebx + .end + +/* + * Read the -real- TSC. + * This is difficult to virtualize on the hypervisor given there is + * no way to prevent preemption; thus this inline function + * should only be used in the middle of the paravirtualized + * implementation of tsc_read. + */ + .inline __rdtsc_insn, 0 + rdtsc + .end |