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/*
* Copyright (c) 2014-2016 Wind River Systems, Inc.
*
* SPDX-License-Identifier: Apache-2.0
*/
/**
* @file
* @brief Private kernel definitions
*
* This file contains private kernel structures definitions and various
* other definitions for the ARCv2 processor architecture.
*
* This file is also included by assembly language files which must #define
* _ASMLANGUAGE before including this header file. Note that kernel
* assembly source files obtains structure offset values via "absolute
* symbols" in the offsets.o module.
*/
#ifndef ZEPHYR_ARCH_ARC_INCLUDE_KERNEL_ARCH_DATA_H_
#define ZEPHYR_ARCH_ARC_INCLUDE_KERNEL_ARCH_DATA_H_
#include <zephyr/toolchain.h>
#include <zephyr/linker/sections.h>
#include <zephyr/arch/cpu.h>
#include <vector_table.h>
#ifndef _ASMLANGUAGE
#include <zephyr/kernel.h>
#include <zephyr/types.h>
#include <zephyr/sys/util.h>
#include <zephyr/sys/dlist.h>
#ifdef __cplusplus
extern "C" {
#endif
#ifdef CONFIG_ARC_HAS_SECURE
struct _irq_stack_frame {
#ifdef CONFIG_ARC_HAS_ZOL
uintptr_t lp_end;
uintptr_t lp_start;
uintptr_t lp_count;
#endif /* CONFIG_ARC_HAS_ZOL */
#ifdef CONFIG_CODE_DENSITY
/*
* Currently unsupported. This is where those registers are
* automatically pushed on the stack by the CPU when taking a regular
* IRQ.
*/
uintptr_t ei_base;
uintptr_t ldi_base;
uintptr_t jli_base;
#endif
uintptr_t r0;
uintptr_t r1;
uintptr_t r2;
uintptr_t r3;
uintptr_t r4;
uintptr_t r5;
uintptr_t r6;
uintptr_t r7;
uintptr_t r8;
uintptr_t r9;
uintptr_t r10;
uintptr_t r11;
uintptr_t r12;
uintptr_t r13;
uintptr_t blink;
uintptr_t pc;
uintptr_t sec_stat;
uintptr_t status32;
};
#else
struct _irq_stack_frame {
uintptr_t r0;
uintptr_t r1;
uintptr_t r2;
uintptr_t r3;
uintptr_t r4;
uintptr_t r5;
uintptr_t r6;
uintptr_t r7;
uintptr_t r8;
uintptr_t r9;
uintptr_t r10;
uintptr_t r11;
uintptr_t r12;
uintptr_t r13;
uintptr_t blink;
#ifdef CONFIG_ARC_HAS_ZOL
uintptr_t lp_end;
uintptr_t lp_start;
uintptr_t lp_count;
#endif /* CONFIG_ARC_HAS_ZOL */
#ifdef CONFIG_CODE_DENSITY
/*
* Currently unsupported. This is where those registers are
* automatically pushed on the stack by the CPU when taking a regular
* IRQ.
*/
uintptr_t ei_base;
uintptr_t ldi_base;
uintptr_t jli_base;
#endif
uintptr_t pc;
uintptr_t status32;
};
#endif
typedef struct _irq_stack_frame _isf_t;
/* callee-saved registers pushed on the stack, not in k_thread */
struct _callee_saved_stack {
uintptr_t r13;
uintptr_t r14;
uintptr_t r15;
uintptr_t r16;
uintptr_t r17;
uintptr_t r18;
uintptr_t r19;
uintptr_t r20;
uintptr_t r21;
uintptr_t r22;
uintptr_t r23;
uintptr_t r24;
uintptr_t r25;
uintptr_t r26;
uintptr_t fp; /* r27 */
#ifdef CONFIG_USERSPACE
#ifdef CONFIG_ARC_HAS_SECURE
uintptr_t user_sp;
uintptr_t kernel_sp;
#else
uintptr_t user_sp;
#endif
#endif
/* r28 is the stack pointer and saved separately */
/* r29 is ILINK and does not need to be saved */
uintptr_t r30;
#ifdef CONFIG_ARC_HAS_ACCL_REGS
uintptr_t r58;
#ifndef CONFIG_64BIT
uintptr_t r59;
#endif /* !CONFIG_64BIT */
#endif
#ifdef CONFIG_FPU_SHARING
uintptr_t fpu_status;
uintptr_t fpu_ctrl;
#ifdef CONFIG_FP_FPU_DA
uintptr_t dpfp2h;
uintptr_t dpfp2l;
uintptr_t dpfp1h;
uintptr_t dpfp1l;
#endif
#endif
#ifdef CONFIG_DSP_SHARING
#ifdef CONFIG_ARC_DSP_BFLY_SHARING
uintptr_t dsp_fft_ctrl;
uintptr_t dsp_bfly0;
#endif
uintptr_t acc0_ghi;
uintptr_t acc0_glo;
uintptr_t dsp_ctrl;
#endif
#ifdef CONFIG_ARC_AGU_SHARING
uintptr_t agu_ap0;
uintptr_t agu_ap1;
uintptr_t agu_ap2;
uintptr_t agu_ap3;
uintptr_t agu_os0;
uintptr_t agu_os1;
uintptr_t agu_mod0;
uintptr_t agu_mod1;
uintptr_t agu_mod2;
uintptr_t agu_mod3;
#ifdef CONFIG_ARC_AGU_MEDIUM
uintptr_t agu_ap4;
uintptr_t agu_ap5;
uintptr_t agu_ap6;
uintptr_t agu_ap7;
uintptr_t agu_os2;
uintptr_t agu_os3;
uintptr_t agu_mod4;
uintptr_t agu_mod5;
uintptr_t agu_mod6;
uintptr_t agu_mod7;
uintptr_t agu_mod8;
uintptr_t agu_mod9;
uintptr_t agu_mod10;
uintptr_t agu_mod11;
#endif
#ifdef CONFIG_ARC_AGU_LARGE
uintptr_t agu_ap8;
uintptr_t agu_ap9;
uintptr_t agu_ap10;
uintptr_t agu_ap11;
uintptr_t agu_os4;
uintptr_t agu_os5;
uintptr_t agu_os6;
uintptr_t agu_os7;
uintptr_t agu_mod12;
uintptr_t agu_mod13;
uintptr_t agu_mod14;
uintptr_t agu_mod15;
uintptr_t agu_mod16;
uintptr_t agu_mod17;
uintptr_t agu_mod18;
uintptr_t agu_mod19;
uintptr_t agu_mod20;
uintptr_t agu_mod21;
uintptr_t agu_mod22;
uintptr_t agu_mod23;
#endif
#endif
/*
* No need to save r31 (blink), it's either already pushed as the pc or
* blink on an irq stack frame.
*/
};
typedef struct _callee_saved_stack _callee_saved_stack_t;
#ifdef __cplusplus
}
#endif
#endif /* _ASMLANGUAGE */
#endif /* ZEPHYR_ARCH_ARC_INCLUDE_KERNEL_ARCH_DATA_H_ */