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/* SPDX-License-Identifier: GPL-3.0-or-later */
/* Copyright 2021 - 2022, Kim Kuparinen < kimi.h.kuparinen@gmail.com > */
#ifndef APOS_ARCH_PROC_H
#define APOS_ARCH_PROC_H
/**
* @file proc.h
* Arch-specific process related stuff.
*/
#if defined(riscv64)
#include "../../arch/riscv64/include/proc.h"
#elif defined(riscv32)
#include "../../arch/riscv32/include/proc.h"
#endif
/**
* Set address to jump to when returning to userspace.
*
* @param r Address to jump to.
* @return \ref OK.
*/
stat_t set_return(vm_t r);
/**
* Attach IPC data to load into argument registers when returning to userspace.
*
* @param t Thread that will run after return.
* @param pid Process ID.
* @param tid Thread ID.
* @return \ref OK.
*/
stat_t set_ipc(struct tcb *t, id_t pid, id_t tid);
/** \todo Should these be in arch/tcb.h or something? */
/** \todo Should these be void? */
/**
* Attach thread stack and thread local storage when returning to userspace.
*
* Their info should already be stored in \c t, and this function just
* actualizes the information.
*
* @param t Thread that will run after return.
* @return \ref OK.
*/
stat_t set_thread(struct tcb *t);
/**
* Run \c init program.
*
* @param t Thread that \c init is attached to.
* @param fdt Pointer to FDT that is passed to \c init.
* @return \ref ERR_ADDR, as it shouldn't return-
*/
stat_t run_init(struct tcb *t, void *fdt);
#endif /* APOS_ARCH_PROC_H */
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