source: umon/main/cpu/arm/arm.h @ a7b6f00

/**************************************************************************
 *
 * Copyright (c) 2013 Alcatel-Lucent
 *
 * Alcatel Lucent licenses this file to You under the Apache License,
 * Version 2.0 (the "License"); you may not use this file except in
 * compliance with the License.  A copy of the License is contained the
 * file LICENSE at the top level of this repository.
 * You may also 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.
 *
 **************************************************************************
 *
 * arm.h
 *
 * PSR Bits
 *
 * Original author:     Ed Sutter (ed.sutter@alcatel-lucent.com)
 *
 */
#define PSR_THUMB_STATE         0x00000020
#define PSR_IMASK_IRQ           0x00000080
#define PSR_IMASK_FRQ           0x00000040
#define PSR_CONDITION_NEGATIVE  0x80000000
#define PSR_CONDITION_ZERO      0x40000000
#define PSR_CONDITION_CARRY     0x20000000
#define PSR_CONDITION_OVERFLOW  0x10000000
#define PSR_MODE_MASK           0x0000001f

/* Mode bits within PSR:
 */
#define ABORT_MODE          0x00000017
#define FASTINTRQST_MODE    0x00000011
#define INTRQST_MODE        0x00000012
#define SUPERVISOR_MODE     0x00000013
#define SYSTEM_MODE         0x0000001f
#define UNDEFINED_MODE      0x0000001b
#define USER_MODE           0x00000010

/* Exception types:
 */
#define EXCTYPE_UNDEF       1
#define EXCTYPE_ABORTP      2
#define EXCTYPE_ABORTD      3
#define EXCTYPE_IRQ         4
#define EXCTYPE_FIRQ        5
#define EXCTYPE_SWI         6
#define EXCTYPE_NOTASSGN    7

/* Link register adjustments for each exception:
 * These adjustments are used by the exception handler to establish the
 * address at which the exception occurred.
 */
#define LRADJ_UNDEF         4
#define LRADJ_ABORTP        4
#define LRADJ_ABORTD        8
#define LRADJ_IRQ           4
#define LRADJ_FIRQ          4
#define LRADJ_SWI           4

/* Vector numbers used by assign_handler and the mon_assignhandler()
 * API function...
 */
#define VEC_RST              0
#define VEC_UND              1
#define VEC_SWI              2
#define VEC_ABP              3
#define VEC_ABD              4
#define VEC_IRQ              5
#define VEC_RESERVED         6
#define VEC_FIQ              7