From 9999e48639b3cecb08ffb37358bcba3b48161b29 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 08:50:17 +0000
Subject: [PATCH] add ax88772_rst
---
kernel/arch/riscv/include/asm/processor.h | 33 ++++++---------------------------
1 files changed, 6 insertions(+), 27 deletions(-)
diff --git a/kernel/arch/riscv/include/asm/processor.h b/kernel/arch/riscv/include/asm/processor.h
index c23578a..bdddcd5 100644
--- a/kernel/arch/riscv/include/asm/processor.h
+++ b/kernel/arch/riscv/include/asm/processor.h
@@ -1,20 +1,14 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2012 Regents of the University of California
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation, version 2.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
*/
#ifndef _ASM_RISCV_PROCESSOR_H
#define _ASM_RISCV_PROCESSOR_H
#include <linux/const.h>
+
+#include <vdso/processor.h>
#include <asm/ptrace.h>
@@ -33,12 +27,6 @@
struct task_struct;
struct pt_regs;
-/*
- * Default implementation of macro that returns current
- * instruction pointer ("program counter").
- */
-#define current_text_addr() ({ __label__ _l; _l: &&_l; })
-
/* CPU-specific state of a task */
struct thread_struct {
/* Callee-saved registers */
@@ -56,7 +44,7 @@
((struct pt_regs *)(task_stack_page(tsk) + THREAD_SIZE \
- ALIGN(sizeof(struct pt_regs), STACK_ALIGN)))
-#define KSTK_EIP(tsk) (task_pt_regs(tsk)->sepc)
+#define KSTK_EIP(tsk) (task_pt_regs(tsk)->epc)
#define KSTK_ESP(tsk) (task_pt_regs(tsk)->sp)
@@ -72,23 +60,14 @@
extern unsigned long get_wchan(struct task_struct *p);
-static inline void cpu_relax(void)
-{
-#ifdef __riscv_muldiv
- int dummy;
- /* In lieu of a halt instruction, induce a long-latency stall. */
- __asm__ __volatile__ ("div %0, %0, zero" : "=r" (dummy));
-#endif
- barrier();
-}
-
static inline void wait_for_interrupt(void)
{
__asm__ __volatile__ ("wfi");
}
struct device_node;
-extern int riscv_of_processor_hart(struct device_node *node);
+int riscv_of_processor_hartid(struct device_node *node);
+int riscv_of_parent_hartid(struct device_node *node);
extern void riscv_fill_hwcap(void);
--
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