| /* |
| * Copyright (c) 2010-2014 Wind River Systems, Inc. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| /** |
| * @file |
| * @brief Interrupt support for IA-32 arch |
| * |
| * INTERNAL |
| * The _idt_base_address symbol is used to determine the base address of the IDT. |
| * (It is generated by the linker script, and doesn't correspond to an actual |
| * global variable.) |
| */ |
| |
| #include <nanokernel.h> |
| #include <arch/cpu.h> |
| #include <kernel_structs.h> |
| #include <misc/__assert.h> |
| #include <misc/printk.h> |
| #include <irq.h> |
| |
| extern void _SpuriousIntHandler(void *); |
| extern void _SpuriousIntNoErrCodeHandler(void *); |
| |
| /* |
| * These 'dummy' variables are used in nanoArchInit() to force the inclusion of |
| * the spurious interrupt handlers. They *must* be declared in a module other |
| * than the one they are used in to get around garbage collection issues and |
| * warnings issued some compilers that they aren't used. Therefore care must |
| * be taken if they are to be moved. See kernel_structs.h for more information. |
| */ |
| void *_dummy_spurious_interrupt; |
| void *_dummy_exception_vector_stub; |
| |
| /* |
| * Place the addresses of the spurious interrupt handlers into the intList |
| * section. The genIdt tool can then populate any unused vectors with |
| * these routines. |
| */ |
| void *__attribute__((section(".spurIsr"))) MK_ISR_NAME(_SpuriousIntHandler) = |
| &_SpuriousIntHandler; |
| void *__attribute__((section(".spurNoErrIsr"))) |
| MK_ISR_NAME(_SpuriousIntNoErrCodeHandler) = |
| &_SpuriousIntNoErrCodeHandler; |
| |