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