/*
 * Copyright (c) 2014 Wind River Systems, Inc.
 *
 * SPDX-License-Identifier: Apache-2.0
 */

/**
 * @file
 * @brief ARCv2 auxiliary registers definitions
 *
 *
 * Definitions for auxiliary registers.
 */

#ifndef _ARC_V2_AUX_REGS__H_
#define _ARC_V2_AUX_REGS__H_

#ifdef __cplusplus
extern "C" {
#endif

#define _ARC_V2_LP_START 0x002
#define _ARC_V2_LP_END 0x003
#define _ARC_V2_IDENTITY 0x004
#define _ARC_V2_STATUS32 0x00a
#define _ARC_V2_STATUS32_P0 0x00b
#define _ARC_V2_AUX_IRQ_CTRL 0x00e
#define _ARC_V2_IC_IVIC 0x010
#define _ARC_V2_IC_CTRL 0x011
#define _ARC_V2_IC_LIL 0x013
#define _ARC_V2_IC_IVIL 0x019
#define _ARC_V2_IC_DATA 0x01d
#define _ARC_V2_TMR0_COUNT 0x021
#define _ARC_V2_TMR0_CONTROL 0x022
#define _ARC_V2_TMR0_LIMIT 0x023
#define _ARC_V2_IRQ_VECT_BASE    0x025
#define _ARC_V2_AUX_IRQ_ACT 0x043
#define _ARC_V2_DC_IVDC 0x047
#define _ARC_V2_DC_CTRL 0x048
#define _ARC_V2_DC_LDL 0x049
#define _ARC_V2_DC_IVDL 0x04a
#define _ARC_V2_DC_FLSH 0x04b
#define _ARC_V2_DC_FLDL 0x04c
#define _ARC_V2_EA_BUILD 0x065
#define _ARC_V2_VECBASE_AC_BUILD 0x068
#define _ARC_V2_FP_BUILD 0x06b
#define _ARC_V2_DPFP_BUILD 0x06c
#define _ARC_V2_MPU_BUILD 0x06d
#define _ARC_V2_RF_BUILD 0x06e
#define _ARC_V2_MMU_BUILD 0x06f
#define _ARC_V2_VECBASE_BUILD 0x071
#define _ARC_V2_D_CACHE_BUILD 0x072
#define _ARC_V2_DCCM_BUILD 0x074
#define _ARC_V2_TIMER_BUILD 0x075
#define _ARC_V2_AP_BUILD 0x076
#define _ARC_V2_I_CACHE_BUILD 0x077
#define _ARC_V2_ICCM_BUILD 0x078
#define _ARC_V2_MULTIPLY_BUILD 0x07b
#define _ARC_V2_SWAP_BUILD 0x07c
#define _ARC_V2_NORM_BUILD 0x07d
#define _ARC_V2_MINMAX_BUILD 0x07e
#define _ARC_V2_BARREL_BUILD 0x07f
#define _ARC_V2_ISA_CONFIG 0x0c1
#define _ARC_V2_SEP_BUILD 0x0c7
#define _ARC_V2_IRQ_BUILD 0x0f3
#define _ARC_V2_PCT_BUILD 0x0f5
#define _ARC_V2_CC_BUILD 0x0f6
#define _ARC_V2_TMR1_COUNT 0x100
#define _ARC_V2_TMR1_CONTROL 0x101
#define _ARC_V2_TMR1_LIMIT 0x102
#define _ARC_V2_IRQ_PRIO_PEND 0x200
#define _ARC_V2_AUX_IRQ_HINT 0x201
#define _ARC_V2_IRQ_PRIORITY 0x206
#define _ARC_V2_KSTACK_TOP 0x264
#define _ARC_V2_KSTACK_BASE 0x265
#define _ARC_V2_JLI_BASE 0x290
#define _ARC_V2_LDI_BASE 0x291
#define _ARC_V2_EI_BASE 0x292
#define _ARC_V2_ERET 0x400
#define _ARC_V2_ERSTATUS 0x402
#define _ARC_V2_ECR 0x403
#define _ARC_V2_EFA 0x404
#define _ARC_V2_ICAUSE 0x40a
#define _ARC_V2_IRQ_SELECT 0x40b
#define _ARC_V2_IRQ_ENABLE 0x40c
#define _ARC_V2_IRQ_TRIGGER 0x40d
#define _ARC_V2_IRQ_STATUS 0x40f
#define _ARC_V2_IRQ_PULSE_CANCEL 0x415
#define _ARC_V2_IRQ_PENDING 0x416
#define _ARC_V2_FPU_CTRL 0x300
#define _ARC_V2_FPU_STATUS 0x301
#define _ARC_V2_FPU_DPFP1L 0x302
#define _ARC_V2_FPU_DPFP1H 0x303
#define _ARC_V2_FPU_DPFP2L 0x304
#define _ARC_V2_FPU_DPFP2H 0x305

/* STATUS32/STATUS32_P0 bits */
#define _ARC_V2_STATUS32_H (1 << 0)
#define _ARC_V2_STATUS32_E(x) ((x) << 1)
#define _ARC_V2_STATUS32_AE_BIT 5
#define _ARC_V2_STATUS32_AE (1 << _ARC_V2_STATUS32_AE_BIT)
#define _ARC_V2_STATUS32_DE (1 << 6)
#define _ARC_V2_STATUS32_U (1 << 7)
#define _ARC_V2_STATUS32_V (1 << 8)
#define _ARC_V2_STATUS32_C (1 << 9)
#define _ARC_V2_STATUS32_N (1 << 10)
#define _ARC_V2_STATUS32_Z (1 << 11)
#define _ARC_V2_STATUS32_L (1 << 12)
#define _ARC_V2_STATUS32_DZ (1 << 13)
#define _ARC_V2_STATUS32_SC_BIT 14
#define _ARC_V2_STATUS32_SC (1 << _ARC_V2_STATUS32_SC_BIT)
#define _ARC_V2_STATUS32_ES (1 << 15)
#define _ARC_V2_STATUS32_RB(x) ((x) << 16)
#define _ARC_V2_STATUS32_IE (1 << 31)

/* exception cause register masks */
#define _ARC_V2_ECR_VECTOR(X) ((X & 0xff0000) >> 16)
#define _ARC_V2_ECR_CODE(X) ((X & 0xff00) >> 8)
#define _ARC_V2_ECR_PARAMETER(X) (X & 0xff)

#ifndef _ASMLANGUAGE
#if defined(__GNUC__)

#include <zephyr/types.h>
#define _arc_v2_aux_reg_read(reg) __builtin_arc_lr((volatile u32_t)reg)
#define _arc_v2_aux_reg_write(reg, val) __builtin_arc_sr((unsigned int)val, (volatile u32_t)reg)

#else /* ! __GNUC__ */

#define _arc_v2_aux_reg_read(reg)                                \
	({                                               \
		unsigned int __ret;                      \
		__asm__ __volatile__("       lr %0, [%1]" \
				     : "=r"(__ret)       \
				     : "i"(reg));        \
		__ret;                                   \
	})

#define _arc_v2_aux_reg_write(reg, val)                              \
	({                                                   \
		__asm__ __volatile__("       sr %0, [%1]"    \
				     :                       \
				     : "ir"(val), "i"(reg)); \
	})
#endif /* __GNUC__ */
#endif /* _ASMLANGUAGE */

#ifdef __cplusplus
}
#endif

#endif /* _ARC_V2_AUX_REGS__H_ */