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/ptrace.h | 52 ++++++++++++++++++++--------------------------------
1 files changed, 20 insertions(+), 32 deletions(-)
diff --git a/kernel/arch/riscv/include/asm/ptrace.h b/kernel/arch/riscv/include/asm/ptrace.h
index 2c5df94..ee49f80 100644
--- a/kernel/arch/riscv/include/asm/ptrace.h
+++ b/kernel/arch/riscv/include/asm/ptrace.h
@@ -1,14 +1,6 @@
+/* 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_PTRACE_H
@@ -20,7 +12,7 @@
#ifndef __ASSEMBLY__
struct pt_regs {
- unsigned long sepc;
+ unsigned long epc;
unsigned long ra;
unsigned long sp;
unsigned long gp;
@@ -52,12 +44,12 @@
unsigned long t4;
unsigned long t5;
unsigned long t6;
- /* Supervisor CSRs */
- unsigned long sstatus;
- unsigned long sbadaddr;
- unsigned long scause;
- /* a0 value before the syscall */
- unsigned long orig_a0;
+ /* Supervisor/Machine CSRs */
+ unsigned long status;
+ unsigned long badaddr;
+ unsigned long cause;
+ /* a0 value before the syscall */
+ unsigned long orig_a0;
};
#ifdef CONFIG_64BIT
@@ -66,51 +58,47 @@
#define REG_FMT "%08lx"
#endif
-#define user_mode(regs) (((regs)->sstatus & SR_SPP) == 0)
+#define user_mode(regs) (((regs)->status & SR_PP) == 0)
/* Helpers for working with the instruction pointer */
-#define GET_IP(regs) ((regs)->sepc)
-#define SET_IP(regs, val) (GET_IP(regs) = (val))
-
static inline unsigned long instruction_pointer(struct pt_regs *regs)
{
- return GET_IP(regs);
+ return regs->epc;
}
static inline void instruction_pointer_set(struct pt_regs *regs,
unsigned long val)
{
- SET_IP(regs, val);
+ regs->epc = val;
}
#define profile_pc(regs) instruction_pointer(regs)
/* Helpers for working with the user stack pointer */
-#define GET_USP(regs) ((regs)->sp)
-#define SET_USP(regs, val) (GET_USP(regs) = (val))
-
static inline unsigned long user_stack_pointer(struct pt_regs *regs)
{
- return GET_USP(regs);
+ return regs->sp;
}
static inline void user_stack_pointer_set(struct pt_regs *regs,
unsigned long val)
{
- SET_USP(regs, val);
+ regs->sp = val;
}
/* Helpers for working with the frame pointer */
-#define GET_FP(regs) ((regs)->s0)
-#define SET_FP(regs, val) (GET_FP(regs) = (val))
-
static inline unsigned long frame_pointer(struct pt_regs *regs)
{
- return GET_FP(regs);
+ return regs->s0;
}
static inline void frame_pointer_set(struct pt_regs *regs,
unsigned long val)
{
- SET_FP(regs, val);
+ regs->s0 = val;
+}
+
+static inline unsigned long regs_return_value(struct pt_regs *regs)
+{
+ return regs->a0;
}
#endif /* __ASSEMBLY__ */
--
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