1 /*
2  * Copyright (c) 2014 Wind River Systems, Inc.
3  *
4  * SPDX-License-Identifier: Apache-2.0
5  */
6 
7 /**
8  * @file
9  * @brief ARCv2 auxiliary registers definitions
10  *
11  *
12  * Definitions for auxiliary registers.
13  */
14 
15 #ifndef ZEPHYR_INCLUDE_ARCH_ARC_V2_AUX_REGS_H_
16 #define ZEPHYR_INCLUDE_ARCH_ARC_V2_AUX_REGS_H_
17 
18 #define _ARC_V2_LP_START 0x002
19 #define _ARC_V2_LP_END 0x003
20 #define _ARC_V2_IDENTITY 0x004
21 #define _ARC_V2_SEC_STAT 0x09
22 #define _ARC_V2_STATUS32 0x00a
23 #define _ARC_V2_STATUS32_P0 0x00b
24 #define _ARC_V2_USER_SP	0x00d
25 #define _ARC_V2_AUX_IRQ_CTRL 0x00e
26 #define _ARC_V2_IC_IVIC 0x010
27 #define _ARC_V2_IC_CTRL 0x011
28 #define _ARC_V2_IC_LIL 0x013
29 #define _ARC_V2_IC_IVIL 0x019
30 #define _ARC_V2_IC_DATA 0x01d
31 #define _ARC_V2_TMR0_COUNT 0x021
32 #define _ARC_V2_TMR0_CONTROL 0x022
33 #define _ARC_V2_TMR0_LIMIT 0x023
34 #define _ARC_V2_IRQ_VECT_BASE    0x025
35 #define _ARC_V2_IRQ_VECT_BASE_S 0x26
36 #define _ARC_V2_KERNEL_SP 0x38
37 #define _ARC_V2_SEC_U_SP 0x39
38 #define _ARC_V2_SEC_K_SP 0x3a
39 #define _ARC_V2_AUX_IRQ_ACT 0x043
40 #define _ARC_V2_DC_IVDC 0x047
41 #define _ARC_V2_DC_CTRL 0x048
42 #define _ARC_V2_DC_LDL 0x049
43 #define _ARC_V2_DC_IVDL 0x04a
44 #define _ARC_V2_DC_FLSH 0x04b
45 #define _ARC_V2_DC_FLDL 0x04c
46 #define _ARC_V2_EA_BUILD 0x065
47 #define _ARC_V2_VECBASE_AC_BUILD 0x068
48 #define _ARC_V2_FP_BUILD 0x06b
49 #define _ARC_V2_DPFP_BUILD 0x06c
50 #define _ARC_V2_MPU_BUILD 0x06d
51 #define _ARC_V2_RF_BUILD 0x06e
52 #define _ARC_V2_MMU_BUILD 0x06f
53 #define _ARC_V2_VECBASE_BUILD 0x071
54 #define _ARC_V2_D_CACHE_BUILD 0x072
55 #define _ARC_V2_DCCM_BUILD 0x074
56 #define _ARC_V2_TIMER_BUILD 0x075
57 #define _ARC_V2_AP_BUILD 0x076
58 #define _ARC_V2_I_CACHE_BUILD 0x077
59 #define _ARC_V2_ICCM_BUILD 0x078
60 #define _ARC_V2_MULTIPLY_BUILD 0x07b
61 #define _ARC_V2_SWAP_BUILD 0x07c
62 #define _ARC_V2_NORM_BUILD 0x07d
63 #define _ARC_V2_MINMAX_BUILD 0x07e
64 #define _ARC_V2_BARREL_BUILD 0x07f
65 #define _ARC_V2_ISA_CONFIG 0x0c1
66 #define _ARC_V2_SEP_BUILD 0x0c7
67 #define _ARC_V2_IRQ_BUILD 0x0f3
68 #define _ARC_V2_PCT_BUILD 0x0f5
69 #define _ARC_V2_CC_BUILD 0x0f6
70 #define _ARC_V2_TMR1_COUNT 0x100
71 #define _ARC_V2_TMR1_CONTROL 0x101
72 #define _ARC_V2_TMR1_LIMIT 0x102
73 #define _ARC_V2_S_TMR0_COUNT 0x106
74 #define _ARC_V2_S_TMR0_CONTROL 0x107
75 #define _ARC_V2_S_TMR0_LIMIT 0x108
76 #define _ARC_V2_S_TMR1_COUNT 0x109
77 #define _ARC_V2_S_TMR1_CONTROL 0x10a
78 #define _ARC_V2_S_TMR1_LIMIT 0x10b
79 #define _ARC_V2_IRQ_PRIO_PEND 0x200
80 #define _ARC_V2_AUX_IRQ_HINT 0x201
81 #define _ARC_V2_IRQ_PRIORITY 0x206
82 #define _ARC_V2_USTACK_TOP 0x260
83 #define _ARC_V2_USTACK_BASE 0x261
84 #define _ARC_V2_S_USTACK_TOP 0x262
85 #define _ARC_V2_S_USTACK_BASE 0x263
86 #define _ARC_V2_KSTACK_TOP 0x264
87 #define _ARC_V2_KSTACK_BASE 0x265
88 #define _ARC_V2_S_KSTACK_TOP 0x266
89 #define _ARC_V2_S_KSTACK_BASE 0x267
90 #define _ARC_V2_NSC_TABLE_TOP 0x268
91 #define _ARC_V2_NSC_TABLE_BASE 0x269
92 #define _ARC_V2_JLI_BASE 0x290
93 #define _ARC_V2_LDI_BASE 0x291
94 #define _ARC_V2_EI_BASE 0x292
95 #define _ARC_V2_ERET 0x400
96 #define _ARC_V2_ERSTATUS 0x402
97 #define _ARC_V2_ECR 0x403
98 #define _ARC_V2_EFA 0x404
99 #define _ARC_V2_ERSEC_STAT 0x406
100 #define _ARC_V2_ICAUSE 0x40a
101 #define _ARC_V2_IRQ_SELECT 0x40b
102 #define _ARC_V2_IRQ_ENABLE 0x40c
103 #define _ARC_V2_IRQ_TRIGGER 0x40d
104 #define _ARC_V2_IRQ_STATUS 0x40f
105 #define _ARC_V2_IRQ_PULSE_CANCEL 0x415
106 #define _ARC_V2_IRQ_PENDING 0x416
107 #define _ARC_V2_FPU_CTRL 0x300
108 #define _ARC_V2_FPU_STATUS 0x301
109 #define _ARC_V2_FPU_DPFP1L 0x302
110 #define _ARC_V2_FPU_DPFP1H 0x303
111 #define _ARC_V2_FPU_DPFP2L 0x304
112 #define _ARC_V2_FPU_DPFP2H 0x305
113 #define _ARC_V2_MPU_EN 0x409
114 #define _ARC_V2_MPU_RDB0 0x422
115 #define _ARC_V2_MPU_RDP0 0x423
116 #define _ARC_V2_MPU_INDEX 0x448
117 #define _ARC_V2_MPU_RSTART 0x449
118 #define _ARC_V2_MPU_REND 0x44A
119 #define _ARC_V2_MPU_RPER 0x44B
120 #define _ARC_V2_MPU_PROBE 0x44C
121 
122 /* STATUS32/STATUS32_P0 bits */
123 #define _ARC_V2_STATUS32_H (1 << 0)
124 #define Z_ARC_V2_STATUS32_E(x) ((x) << 1)
125 #define _ARC_V2_STATUS32_AE_BIT 5
126 #define _ARC_V2_STATUS32_AE (1 << _ARC_V2_STATUS32_AE_BIT)
127 #define _ARC_V2_STATUS32_DE (1 << 6)
128 #define _ARC_V2_STATUS32_U_BIT 7
129 #define _ARC_V2_STATUS32_U (1 << _ARC_V2_STATUS32_U_BIT)
130 #define _ARC_V2_STATUS32_V (1 << 8)
131 #define _ARC_V2_STATUS32_C (1 << 9)
132 #define _ARC_V2_STATUS32_N (1 << 10)
133 #define _ARC_V2_STATUS32_Z (1 << 11)
134 #define _ARC_V2_STATUS32_L (1 << 12)
135 #define _ARC_V2_STATUS32_DZ_BIT 13
136 #define _ARC_V2_STATUS32_DZ (1 << _ARC_V2_STATUS32_DZ_BIT)
137 #define _ARC_V2_STATUS32_SC_BIT 14
138 #define _ARC_V2_STATUS32_SC (1 << _ARC_V2_STATUS32_SC_BIT)
139 #define _ARC_V2_STATUS32_ES (1 << 15)
140 #define _ARC_V2_STATUS32_RB(x) ((x) << 16)
141 #define _ARC_V2_STATUS32_AD_BIT 19
142 #define _ARC_V2_STATUS32_AD (1 << _ARC_V2_STATUS32_AD_BIT)
143 #define _ARC_V2_STATUS32_US_BIT 20
144 #define _ARC_V2_STATUS32_US (1 << _ARC_V2_STATUS32_US_BIT)
145 #define _ARC_V2_STATUS32_S_BIT 21
146 #define _ARC_V2_STATUS32_S (1 << _ARC_V2_STATUS32_US_BIT)
147 #define _ARC_V2_STATUS32_IE (1 << 31)
148 
149 /* SEC_STAT bits */
150 #define _ARC_V2_SEC_STAT_SSC_BIT 0
151 #define _ARC_V2_SEC_STAT_SSC (1 << _ARC_V2_SEC_STAT_SSC_BIT)
152 #define _ARC_V2_SEC_STAT_NSRT_BIT 1
153 #define _ARC_V2_SEC_STAT_NSRT (1 << _ARC_V2_SEC_STAT_NSRT_BIT)
154 #define _ARC_V2_SEC_STAT_NSRU_BIT 2
155 #define _ARC_V2_SEC_STAT_NSRU (1 << _ARC_V2_SEC_STAT_NSRU_BIT)
156 #define _ARC_V2_SEC_STAT_IRM_BIT 3
157 #define _ARC_V2_SEC_STAT_IRM (1 << _ARC_V2_SEC_STAT_IRM_BIT)
158 #define _ARC_V2_SEC_STAT_SUE_BIT 4
159 #define _ARC_V2_SEC_STAT_SUE (1 << _ARC_V2_SEC_STAT_SUE_BIT)
160 #define _ARC_V2_SEC_STAT_NIC_BIT 5
161 #define _ARC_V2_SEC_STAT_NIC (1 << _ARC_V2_SEC_STAT_NIC_BIT)
162 
163 /* interrupt related bits */
164 #define _ARC_V2_IRQ_PRIORITY_SECURE 0x100
165 
166 /* exception cause register masks */
167 #define Z_ARC_V2_ECR_VECTOR(X) ((X & 0xff0000) >> 16)
168 #define Z_ARC_V2_ECR_CODE(X) ((X & 0xff00) >> 8)
169 #define Z_ARC_V2_ECR_PARAMETER(X) (X & 0xff)
170 
171 #ifndef _ASMLANGUAGE
172 
173 #include <zephyr/types.h>
174 #if defined(__CCAC__)
175 
176 #define z_arc_v2_aux_reg_read(reg) _lr((volatile uint32_t)reg)
177 #define z_arc_v2_aux_reg_write(reg, val) \
178 	_sr((unsigned int)val, (volatile uint32_t)reg)
179 
180 #else /* ! __CCAC__ */
181 
182 #define z_arc_v2_aux_reg_read(reg) __builtin_arc_lr((volatile uint32_t)reg)
183 #define z_arc_v2_aux_reg_write(reg, val) \
184 	__builtin_arc_sr((unsigned int)val, (volatile uint32_t)reg)
185 
186 #endif /* __CCAC__ */
187 #endif /* _ASMLANGUAGE */
188 
189 #define z_arc_v2_core_id() \
190 	({                                               \
191 		unsigned int __ret;                      \
192 		__asm__ __volatile__("lr %0, [%1]\n" \
193 				     "xbfu %0, %0, 0xe8\n" \
194 				     : "=r"(__ret)       \
195 				     : "i"(_ARC_V2_IDENTITY));        \
196 		__ret;                                   \
197 	})
198 
199 #endif /* ZEPHYR_INCLUDE_ARCH_ARC_V2_AUX_REGS_H_ */
200