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Makefile.inc
(213 B)
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amd64_tramp.S
(2.24 KB)
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elf64_freebsd.c
(6.1 KB)
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exc.S
(3.93 KB)
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ldscript.amd64
(1.58 KB)
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start.S
(2.18 KB)
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trap.c
(12.08 KB)
Editing: amd64_tramp.S
/*- * Copyright (c) 2013 The FreeBSD Foundation * All rights reserved. * * This software was developed by Benno Rice 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. * * $FreeBSD$ */ #include <machine/asmacros.h> .text .globl amd64_tramp /* * void amd64_tramp(uint64_t stack, void *copy_finish, uint64_t kernend, * uint64_t modulep, uint64_t pagetable, uint64_t entry) */ amd64_tramp: cli /* Make sure we don't get interrupted. */ movq %rdi,%rsp /* Switch to our temporary stack. */ movq %rdx,%r12 /* Stash the kernel values for later. */ movq %rcx,%r13 movq %r8,%r14 movq %r9,%r15 callq *%rsi /* Call copy_finish so we're all ready to go. */ pushq %r12 /* Push kernend. */ salq $32,%r13 /* Shift modulep and push it. */ pushq %r13 pushq %r15 /* Push the entry address. */ movq %r14,%cr3 /* Switch page tables. */ ret /* "Return" to kernel entry. */ ALIGN_TEXT amd64_tramp_end: .data .globl amd64_tramp_size amd64_tramp_size: .long amd64_tramp_end-amd64_tramp
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