/*- * Copyright (c) 2003 Peter Wemm. * Copyright (c) 1990 The Regents of the University of California. * Copyright (c) 2008-2018 The DragonFly Project. * 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. * * from: @(#)frame.h 5.2 (Berkeley) 1/18/91 * $FreeBSD: src/sys/amd64/include/frame.h,v 1.26 2003/11/08 04:39:22 peter Exp $ */ #ifndef _CPU_FRAME_H_ #define _CPU_FRAME_H_ /* JG? */ #include <sys/types.h> /* * System stack frames. */ /* * Exception/Trap Stack Frame * * The ordering of this is specifically so that we can take first 6 * the syscall arguments directly from the beginning of the frame. */ struct trapframe { /* note: tf_rdi matches mc_rdi in mcontext */ register_t tf_rdi; register_t tf_rsi; register_t tf_rdx; register_t tf_rcx; register_t tf_r8; register_t tf_r9; register_t tf_rax; register_t tf_rbx; register_t tf_rbp; register_t tf_r10; register_t tf_r11; register_t tf_r12; register_t tf_r13; register_t tf_r14; register_t tf_r15; register_t tf_xflags; register_t tf_trapno; register_t tf_addr; register_t tf_flags; /* below portion defined in hardware */ register_t tf_err; register_t tf_rip; register_t tf_cs; register_t tf_rflags; #define tf_sp tf_rsp register_t tf_rsp; register_t tf_ss; } __packed; /* Interrupt stack frame */ struct intrframe { register_t if_vec; /* vec */ /* fs XXX */ /* es XXX */ /* ds XXX */ register_t if_rdi; register_t if_rsi; register_t if_rdx; register_t if_rcx; register_t if_r8; register_t if_r9; register_t if_rax; register_t if_rbx; register_t if_rbp; register_t if_r10; register_t if_r11; register_t if_r12; register_t if_r13; register_t if_r14; register_t if_r15; register_t if_xflags; /* compat with trap frame - xflags */ register_t :64; /* compat with trap frame - trapno */ register_t :64; /* compat with trap frame - addr */ register_t :64; /* compat with trap frame - flags */ register_t :64; /* compat with trap frame - err */ /* below portion defined in hardware */ register_t if_rip; register_t if_cs; register_t if_rflags; register_t if_rsp; register_t if_ss; } __packed; /* * The trampframe is placed at the top of the trampoline page and * contains all the information needed to trampoline into and out * of the isolated user pmap. */ struct trampframe { register_t tr_cr2; register_t tr_rax; register_t tr_rcx; register_t tr_rdx; register_t tr_err; register_t tr_rip; register_t tr_cs; register_t tr_rflags; register_t tr_rsp; register_t tr_ss; /* * Top of hw stack in TSS is &tr_pcb_rsp (first push is tr_ss). * Make sure this is at least 16-byte aligned, so be sure the * fields below are in multiples of 16 bytes. */ register_t tr_pcb_rsp; /* hw frame tramp top of stack */ register_t tr_pcb_flags; /* copy of pcb control flags */ register_t tr_pcb_cr3_iso; /* copy of isolated pml4e */ register_t tr_pcb_cr3; /* copy of primary pml4e */ uint32_t tr_pcb_spec_ctrl[2];/* SPEC_CTRL + ficticious flags */ register_t tr_pcb_gs_kernel; /* (used by nmi, dbg) */ register_t tr_pcb_gs_saved; /* (used by nmi) */ register_t tr_pcb_cr3_saved; /* (used by nmi) */ } __packed; int kdb_trap(int, int, struct trapframe *); #endif /* _CPU_FRAME_H_ */
