From f67c2579af54201fd3522996f18109fe9ceaa31f Mon Sep 17 00:00:00 2001 From: Ian Moffett Date: Tue, 19 Dec 2023 01:00:18 -0500 Subject: kernel/amd64: Re-organize AMD64 files Signed-off-by: Ian Moffett --- sys/arch/amd64/trap.c | 97 --------------------------------------------------- 1 file changed, 97 deletions(-) delete mode 100644 sys/arch/amd64/trap.c (limited to 'sys/arch/amd64/trap.c') diff --git a/sys/arch/amd64/trap.c b/sys/arch/amd64/trap.c deleted file mode 100644 index 642c061..0000000 --- a/sys/arch/amd64/trap.c +++ /dev/null @@ -1,97 +0,0 @@ -/* - * Copyright (c) 2023 Ian Marco Moffett and the Osmora Team. - * 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 Hyra 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 COPYRIGHT HOLDERS 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 COPYRIGHT OWNER 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 -#include -#include -#include -#include - -static const char *trap_type[] = { - [TRAP_BREAKPOINT] = "breakpoint", - [TRAP_ARITH_ERR] = "arithmetic error", - [TRAP_OVERFLOW] = "overflow", - [TRAP_BOUND_RANGE] = "bound range exceeded", - [TRAP_INVLOP] = "invalid opcode", - [TRAP_DOUBLE_FAULT] = "double fault", - [TRAP_INVLTSS] = "invalid TSS", - [TRAP_SEGNP] = "segment not present", - [TRAP_PROTFLT] = "general protection", - [TRAP_PAGEFLT] = "page fault", - [TRAP_NMI] = "non-maskable interrupt" -}; - -static const int TRAP_COUNT = __ARRAY_COUNT(trap_type); -static ftrap_handler_t ftrap_handler = NULL; -static struct spinlock ftrap_handler_lock = { 0 }; - -static void -trap_print(struct trapframe *tf) -{ - const char *mode; - - if (tf->trapno < TRAP_COUNT) { - kprintf("** Fatal %s", trap_type[tf->trapno]); - } else { - kprintf("** Unknown trap %d", tf->trapno); - } - mode = __TEST(tf->trapno, TRAP_USER) ? "user" : "supervisor"; - kprintf(" in %s mode **\n", mode); -} - -/* - * Registers a handler for *fatal* traps. - */ -void -register_ftrap_handler(ftrap_handler_t handler) -{ - spinlock_acquire(&ftrap_handler_lock); - ftrap_handler = handler; - spinlock_release(&ftrap_handler_lock); -} - -/* - * Handles traps. - */ -void -trap_handler(struct trapframe *tf) -{ - trap_print(tf); - - /* - * XXX: Handle NMIs better. For now we just - * panic. - */ - if (tf->trapno == TRAP_NMI) { - kprintf("Possible hardware failure?\n"); - panic("Caught NMI; bailing out\n"); - } - - panic("Caught pre-sched exception @0x%x\n", tf->rip); -} -- cgit v1.2.3