| /* sw_isr_table.S - ISR table for static ISR declarations for ARC */ |
| |
| /* |
| * Copyright (c) 2015 Intel Corporation |
| * |
| * 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. |
| */ |
| |
| #define _ASMLANGUAGE |
| |
| #include <toolchain.h> |
| #include <sections.h> |
| #include <arch/cpu.h> |
| |
| /* |
| * enable preprocessor features, such |
| * as %expr - evaluate the expression and use it as a string |
| */ |
| .altmacro |
| |
| /* |
| * Define an ISR table entry |
| * Define symbol as weak and give the section .gnu.linkonce |
| * prefix. This allows linker overload the symbol and the |
| * whole section by the one defined by a device driver |
| */ |
| .macro _isr_table_entry_declare index |
| WDATA(_isr_irq\index) |
| .section .gnu.linkonce.isr_irq\index |
| _isr_irq\index: .word 0xABAD1DEA, _irq_spurious |
| .endm |
| |
| /* |
| * Declare the ISR table |
| */ |
| .macro _isr_table_declare from, to |
| counter = \from |
| .rept (\to - \from) |
| _isr_table_entry_declare %counter |
| counter = counter + 1 |
| .endr |
| .endm |
| |
| GTEXT(_irq_spurious) |
| GDATA(_sw_isr_table) |
| |
| .section .isr_irq16 |
| .align |
| _sw_isr_table: |
| |
| /*In ARC architecture, IRQ 0-15 are reserved for the system and are not |
| assignable by the user, for that reason the isr table linker section |
| start at IRQ 16*/ |
| _isr_table_declare 16 CONFIG_NUM_IRQS |
