96571a8c40
This is now called z_arch_esf_t, conforming to our naming convention. This needs to remain a typedef due to how our offset generation header mechanism works. Signed-off-by: Andrew Boie <andrew.p.boie@intel.com>
85 lines
2.1 KiB
C
85 lines
2.1 KiB
C
/*
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* Copyright (c) 2016 Jean-Paul Etienne <fractalclone@gmail.com>
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* Copyright (c) 2018 Foundries.io Ltd
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*
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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 RISCV32 public exception handling
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*
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* RISCV32-specific kernel exception handling interface.
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*/
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#ifndef ZEPHYR_INCLUDE_ARCH_RISCV32_EXP_H_
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#define ZEPHYR_INCLUDE_ARCH_RISCV32_EXP_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifndef _ASMLANGUAGE
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#include <zephyr/types.h>
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#include <toolchain.h>
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#ifdef CONFIG_RISCV_SOC_CONTEXT_SAVE
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#include <soc_context.h>
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#endif
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/*
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* The name of the structure which contains soc-specific state, if
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* any, as well as the soc_esf_t typedef below, are part of the RISC-V
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* arch API.
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*
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* The contents of the struct are provided by a SOC-specific
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* definition in soc_context.h.
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*/
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#ifdef CONFIG_RISCV_SOC_CONTEXT_SAVE
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struct soc_esf {
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SOC_ESF_MEMBERS;
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};
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#endif
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struct __esf {
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u32_t ra; /* return address */
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u32_t gp; /* global pointer */
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u32_t tp; /* thread pointer */
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u32_t t0; /* Caller-saved temporary register */
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u32_t t1; /* Caller-saved temporary register */
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u32_t t2; /* Caller-saved temporary register */
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u32_t t3; /* Caller-saved temporary register */
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u32_t t4; /* Caller-saved temporary register */
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u32_t t5; /* Caller-saved temporary register */
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u32_t t6; /* Caller-saved temporary register */
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u32_t a0; /* function argument/return value */
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u32_t a1; /* function argument */
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u32_t a2; /* function argument */
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u32_t a3; /* function argument */
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u32_t a4; /* function argument */
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u32_t a5; /* function argument */
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u32_t a6; /* function argument */
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u32_t a7; /* function argument */
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u32_t mepc; /* machine exception program counter */
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u32_t mstatus; /* machine status register */
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#ifdef CONFIG_RISCV_SOC_CONTEXT_SAVE
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struct soc_esf soc_context;
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#endif
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};
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typedef struct __esf z_arch_esf_t;
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#ifdef CONFIG_RISCV_SOC_CONTEXT_SAVE
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typedef struct soc_esf soc_esf_t;
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#endif
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#endif /* _ASMLANGUAGE */
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#ifdef __cplusplus
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}
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#endif
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#endif /* ZEPHYR_INCLUDE_ARCH_RISCV32_EXP_H_ */
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