72 lines
1.7 KiB
C
72 lines
1.7 KiB
C
/*
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* Copyright (c) 2016 Cadence Design Systems, Inc.
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* SPDX-License-Identifier: Apache-2.0
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*/
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/**
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* @file
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* @brief Xtensa specific kernel interface header
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* This header contains the Xtensa specific kernel interface. It is included
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* by the generic kernel interface header (include/arch/cpu.h)
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*/
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#ifndef ZEPHYR_INCLUDE_ARCH_XTENSA_ARCH_H_
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#define ZEPHYR_INCLUDE_ARCH_XTENSA_ARCH_H_
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#include <irq.h>
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#include <generated_dts_board.h>
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#if !defined(_ASMLANGUAGE) && !defined(__ASSEMBLER__)
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#include <arch/common/sys_io.h>
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#include <arch/common/ffs.h>
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#include <zephyr/types.h>
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#include <sw_isr_table.h>
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#include <arch/xtensa/irq.h>
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#include <xtensa/config/core.h>
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#include <arch/common/addr_types.h>
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#define STACK_ALIGN 16
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/* Xtensa GPRs are often designated by two different names */
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#define sys_define_gpr_with_alias(name1, name2) union { u32_t name1, name2; }
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#include <arch/xtensa/exc.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* internal routine documented in C file, needed by IRQ_CONNECT() macro */
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extern void z_irq_priority_set(u32_t irq, u32_t prio, u32_t flags);
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#define Z_ARCH_IRQ_CONNECT(irq_p, priority_p, isr_p, isr_param_p, flags_p) \
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({ \
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Z_ISR_DECLARE(irq_p, flags_p, isr_p, isr_param_p); \
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irq_p; \
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})
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/* Spurious interrupt handler. Throws an error if called */
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extern void z_irq_spurious(void *unused);
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#define XTENSA_ERR_NORET
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extern u32_t z_timer_cycle_get_32(void);
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static inline u32_t z_arch_k_cycle_get_32(void)
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{
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return z_timer_cycle_get_32();
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}
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static ALWAYS_INLINE void z_arch_nop(void)
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{
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__asm__ volatile("nop");
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}
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#ifdef __cplusplus
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}
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#endif
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#endif /* !defined(_ASMLANGUAGE) && !defined(__ASSEMBLER__) */
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#endif /* ZEPHYR_INCLUDE_ARCH_XTENSA_ARCH_H_ */
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