1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * HND arm trap handling. 4 * 5 * Copyright (C) 1999-2019, Broadcom. 6 * 7 * Unless you and Broadcom execute a separate written software license 8 * agreement governing use of this software, this software is licensed to you 9 * under the terms of the GNU General Public License version 2 (the "GPL"), 10 * available at http://www.broadcom.com/licenses/GPLv2.php, with the 11 * following added to such license: 12 * 13 * As a special exception, the copyright holders of this software give you 14 * permission to link this software with independent modules, and to copy and 15 * distribute the resulting executable under terms of your choice, provided that 16 * you also meet, for each linked independent module, the terms and conditions of 17 * the license of that module. An independent module is a module which is not 18 * derived from this software. The special exception does not apply to any 19 * modifications of the software. 20 * 21 * Notwithstanding the above, under no circumstances may you combine this 22 * software in any way with any other Broadcom software provided under a license 23 * other than the GPL, without Broadcom's express prior written consent. 24 * 25 * 26 * <<Broadcom-WL-IPTag/Open:>> 27 * 28 * $Id: hnd_armtrap.h 545867 2015-04-01 22:45:19Z $ 29 */ 30 31 #ifndef _hnd_armtrap_h_ 32 #define _hnd_armtrap_h_ 33 34 /* ARM trap handling */ 35 36 /* Trap types defined by ARM (see arminc.h) */ 37 38 /* Trap locations in lo memory */ 39 #define TRAP_STRIDE 4 40 #define FIRST_TRAP TR_RST 41 #define LAST_TRAP (TR_FIQ * TRAP_STRIDE) 42 43 #if defined(__ARM_ARCH_7M__) 44 #define MAX_TRAP_TYPE (TR_ISR + ARMCM3_NUMINTS) 45 #endif /* __ARM_ARCH_7M__ */ 46 47 /* The trap structure is defined here as offsets for assembly */ 48 #define TR_TYPE 0x00 49 #define TR_EPC 0x04 50 #define TR_CPSR 0x08 51 #define TR_SPSR 0x0c 52 #define TR_REGS 0x10 53 #define TR_REG(n) (TR_REGS + (n) * 4) 54 #define TR_SP TR_REG(13) 55 #define TR_LR TR_REG(14) 56 #define TR_PC TR_REG(15) 57 58 #define TRAP_T_SIZE 80 59 #define ASSERT_TRAP_SVC_NUMBER 255 60 61 #ifndef _LANGUAGE_ASSEMBLY 62 63 #include <typedefs.h> 64 65 typedef struct _trap_struct { 66 uint32 type; 67 uint32 epc; 68 uint32 cpsr; 69 uint32 spsr; 70 uint32 r0; /* a1 */ 71 uint32 r1; /* a2 */ 72 uint32 r2; /* a3 */ 73 uint32 r3; /* a4 */ 74 uint32 r4; /* v1 */ 75 uint32 r5; /* v2 */ 76 uint32 r6; /* v3 */ 77 uint32 r7; /* v4 */ 78 uint32 r8; /* v5 */ 79 uint32 r9; /* sb/v6 */ 80 uint32 r10; /* sl/v7 */ 81 uint32 r11; /* fp/v8 */ 82 uint32 r12; /* ip */ 83 uint32 r13; /* sp */ 84 uint32 r14; /* lr */ 85 uint32 pc; /* r15 */ 86 } trap_t; 87 88 #endif /* !_LANGUAGE_ASSEMBLY */ 89 90 #endif /* _hnd_armtrap_h_ */ 91