| 1 |
9 |
jlechner |
/* Exception handling code for SCARTS.
|
| 2 |
|
|
* Copyright (C) 2010, 2011 Embedded Computing Systems Group,
|
| 3 |
|
|
* Department of Computer Engineering, Vienna University of Technology.
|
| 4 |
|
|
* Contributed by Wolfgang Puffitsch <hausesn@gmx.at>
|
| 5 |
|
|
* Martin Walter <mwalter@opencores.org>
|
| 6 |
|
|
*
|
| 7 |
|
|
* The authors hereby grant permission to use, copy, modify, distribute,
|
| 8 |
|
|
* and license this software and its documentation for any purpose, provided
|
| 9 |
|
|
* that existing copyright notices are retained in all copies and that this
|
| 10 |
|
|
* notice is included verbatim in any distributions. No written agreement,
|
| 11 |
|
|
* license, or royalty fee is required for any of the authorized uses.
|
| 12 |
|
|
* Modifications to this software may be copyrighted by their authors
|
| 13 |
|
|
* and need not follow the licensing terms described here, provided that
|
| 14 |
|
|
* the new terms are clearly indicated on the first page of each file where
|
| 15 |
|
|
* they apply.
|
| 16 |
|
|
*/
|
| 17 |
|
|
|
| 18 |
|
|
#ifndef __SCARTS_INTERRUPTS_H__
|
| 19 |
|
|
#define __SCARTS_INTERRUPTS_H__
|
| 20 |
|
|
|
| 21 |
|
|
#include <stdint.h>
|
| 22 |
|
|
#include "modules.h"
|
| 23 |
|
|
|
| 24 |
|
|
/* Set sleep mode. */
|
| 25 |
|
|
#define SLEEP_MODE() (PROC_CTRL_CONFIG_C |= (1 << (PROC_CTRL_CONFIG_C_SLEEP)))
|
| 26 |
|
|
#define sleep_mode SLEEP_MODE
|
| 27 |
|
|
|
| 28 |
|
|
/* Set the Global Interrupt Flag. */
|
| 29 |
|
|
#define SEI() (PROC_CTRL_CONFIG_C |= (1 << (PROC_CTRL_CONFIG_C_GIE)))
|
| 30 |
|
|
#define sei SEI
|
| 31 |
|
|
|
| 32 |
|
|
/* Clear the Global Interrupt Flag. */
|
| 33 |
|
|
#define CLI() (PROC_CTRL_CONFIG_C &= ~(1 << (PROC_CTRL_CONFIG_C_GIE)))
|
| 34 |
|
|
#define cli CLI
|
| 35 |
|
|
|
| 36 |
|
|
/* Register function FUNC as SW trap NUM (0..15). */
|
| 37 |
|
|
#define REGISTER_TRAP(FUNC, NUM) asm ("stvec %0, %1" : : "r" (&FUNC), "i" (NUM))
|
| 38 |
|
|
#define register_trap REGISTER_TRAP
|
| 39 |
|
|
|
| 40 |
|
|
/* Register function FUNC as HW interrupt NUM (0..15). */
|
| 41 |
|
|
#define REGISTER_INTERRUPT(FUNC, NUM) asm ("stvec %0, %1" : : "r" (&FUNC), "i" ((NUM)-16))
|
| 42 |
|
|
#define register_interrupt REGISTER_INTERRUPT
|
| 43 |
|
|
|
| 44 |
|
|
/* Mask / unmask a single interrupt. */
|
| 45 |
|
|
#define MASKI(NUM) (PROC_CTRL_INTMASK |= (1 << (NUM)))
|
| 46 |
|
|
#define maski MASKI
|
| 47 |
|
|
|
| 48 |
|
|
#define UMASKI(NUM) (PROC_CTRL_INTMASK &= ~(1 << (NUM)))
|
| 49 |
|
|
#define umaski UMASKI
|
| 50 |
|
|
|
| 51 |
|
|
/* Mask / unmask multiple interrupts at once. */
|
| 52 |
|
|
#define MASKIL(NUMS) (PROC_CTRL_INTMASK |= (NUMS))
|
| 53 |
|
|
#define maskil MASKIL
|
| 54 |
|
|
|
| 55 |
|
|
#define UMASKIL(NUMS) (PROC_CTRL_INTMASK &= ~(NUMS))
|
| 56 |
|
|
#define umaskil UMASKIL
|
| 57 |
|
|
|
| 58 |
|
|
/* Protocol / unprotocol a single interrupt. */
|
| 59 |
|
|
#define PROTI(NUM) (PROC_CTRL_INTPROT = (1 << (NUM)))
|
| 60 |
|
|
#define proti PROTI
|
| 61 |
|
|
|
| 62 |
|
|
#define UPROTI(NUM) (PROC_CTRL_INTPROT = (1 << (NUM)))
|
| 63 |
|
|
#define uproti UPROTI
|
| 64 |
|
|
|
| 65 |
|
|
/* Protocol / unprotocol multiple interrupts at once (set corresponding bits in NUMS). */
|
| 66 |
|
|
#define PROTL(NUMS) (PROC_CTRL_INTPROT = (uint16_t)(NUMS))
|
| 67 |
|
|
#define protl PROTL
|
| 68 |
|
|
|
| 69 |
|
|
#define UPROTL(NUMS) (PROC_CTRL_INTPROT = (uint16_t)(NUMS))
|
| 70 |
|
|
#define uprotl UPROTL
|
| 71 |
|
|
|
| 72 |
|
|
#endif
|
| 73 |
|
|
|
