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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_RISCV_ENTRY_COMMON_H
#define _ASM_RISCV_ENTRY_COMMON_H
#include <asm/stacktrace.h>
#include <asm/thread_info.h>
#include <asm/vector.h>
static inline void arch_exit_to_user_mode_prepare(struct pt_regs *regs,
unsigned long ti_work)
{
if (ti_work & _TIF_RISCV_V_DEFER_RESTORE) {
clear_thread_flag(TIF_RISCV_V_DEFER_RESTORE);
/*
* We are already called with irq disabled, so go without
* keeping track of riscv_v_flags.
*/
riscv_v_vstate_restore(¤t->thread.vstate, regs);
}
}
#define arch_exit_to_user_mode_prepare arch_exit_to_user_mode_prepare
void handle_page_fault(struct pt_regs *regs);
void handle_break(struct pt_regs *regs);
#ifdef CONFIG_RISCV_MISALIGNED
int handle_misaligned_load(struct pt_regs *regs);
int handle_misaligned_store(struct pt_regs *regs);
#else
static inline int handle_misaligned_load(struct pt_regs *regs)
{
return -1;
}
static inline int handle_misaligned_store(struct pt_regs *regs)
{
return -1;
}
#endif
#endif /* _ASM_RISCV_ENTRY_COMMON_H */