1 /* 2 * HND arm trap handling. 3 * 4 * Portions of this code are copyright (c) 2021 Cypress Semiconductor Corporation 5 * 6 * Copyright (C) 1999-2017, Broadcom Corporation 7 * 8 * Unless you and Broadcom execute a separate written software license 9 * agreement governing use of this software, this software is licensed to you 10 * under the terms of the GNU General Public License version 2 (the "GPL"), 11 * available at http://www.broadcom.com/licenses/GPLv2.php, with the 12 * following added to such license: 13 * 14 * As a special exception, the copyright holders of this software give you 15 * permission to link this software with independent modules, and to copy and 16 * distribute the resulting executable under terms of your choice, provided that 17 * you also meet, for each linked independent module, the terms and conditions of 18 * the license of that module. An independent module is a module which is not 19 * derived from this software. The special exception does not apply to any 20 * modifications of the software. 21 * 22 * Notwithstanding the above, under no circumstances may you combine this 23 * software in any way with any other Broadcom software provided under a license 24 * other than the GPL, without Broadcom's express prior written consent. 25 * 26 * 27 * <<Broadcom-WL-IPTag/Open:>> 28 * 29 * $Id: hnd_armtrap.h 545867 2015-04-01 22:45:19Z $ 30 */ 31 32 #ifndef _hnd_armtrap_h_ 33 #define _hnd_armtrap_h_ 34 35 /* ARM trap handling */ 36 37 /* Trap types defined by ARM (see arminc.h) */ 38 39 /* Trap locations in lo memory */ 40 #define TRAP_STRIDE 4 41 #define FIRST_TRAP TR_RST 42 #define LAST_TRAP (TR_FIQ * TRAP_STRIDE) 43 44 #if defined(__ARM_ARCH_7M__) 45 #define MAX_TRAP_TYPE (TR_ISR + ARMCM3_NUMINTS) 46 #endif /* __ARM_ARCH_7M__ */ 47 48 /* The trap structure is defined here as offsets for assembly */ 49 #define TR_TYPE 0x00 50 #define TR_EPC 0x04 51 #define TR_CPSR 0x08 52 #define TR_SPSR 0x0c 53 #define TR_REGS 0x10 54 #define TR_REG(n) (TR_REGS + (n) * 4) 55 #define TR_SP TR_REG(13) 56 #define TR_LR TR_REG(14) 57 #define TR_PC TR_REG(15) 58 59 #define TRAP_T_SIZE 80 60 #define ASSERT_TRAP_SVC_NUMBER 255 61 62 #ifndef _LANGUAGE_ASSEMBLY 63 64 #include <typedefs.h> 65 66 typedef struct _trap_struct { 67 uint32 type; 68 uint32 epc; 69 uint32 cpsr; 70 uint32 spsr; 71 uint32 r0; /* a1 */ 72 uint32 r1; /* a2 */ 73 uint32 r2; /* a3 */ 74 uint32 r3; /* a4 */ 75 uint32 r4; /* v1 */ 76 uint32 r5; /* v2 */ 77 uint32 r6; /* v3 */ 78 uint32 r7; /* v4 */ 79 uint32 r8; /* v5 */ 80 uint32 r9; /* sb/v6 */ 81 uint32 r10; /* sl/v7 */ 82 uint32 r11; /* fp/v8 */ 83 uint32 r12; /* ip */ 84 uint32 r13; /* sp */ 85 uint32 r14; /* lr */ 86 uint32 pc; /* r15 */ 87 } trap_t; 88 89 #endif /* !_LANGUAGE_ASSEMBLY */ 90 91 #endif /* _hnd_armtrap_h_ */ 92