From af1a266670d040d2f4083ff309d732d648afba2a Mon Sep 17 00:00:00 2001
From: Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com>
Date: Tue, 10 Oct 2023 14:33:42 +0000
Subject: Add submodule dependency files
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
---
roms/u-boot/arch/mips/include/asm/ptrace.h | 105 +++++++++++++++++++++++++++++
1 file changed, 105 insertions(+)
create mode 100644 roms/u-boot/arch/mips/include/asm/ptrace.h
(limited to 'roms/u-boot/arch/mips/include/asm/ptrace.h')
diff --git a/roms/u-boot/arch/mips/include/asm/ptrace.h b/roms/u-boot/arch/mips/include/asm/ptrace.h
new file mode 100644
index 000000000..cb88d6d4f
--- /dev/null
+++ b/roms/u-boot/arch/mips/include/asm/ptrace.h
@@ -0,0 +1,105 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 1994, 95, 96, 97, 98, 99, 2000 by Ralf Baechle
+ * Copyright (C) 1999, 2000 Silicon Graphics, Inc.
+ */
+#ifndef _ASM_PTRACE_H
+#define _ASM_PTRACE_H
+
+#include <linux/compiler.h>
+#include <linux/types.h>
+#include <asm/isadep.h>
+
+/*
+ * This struct defines the way the registers are stored on the stack during a
+ * system call/exception. As usual the registers k0/k1 aren't being saved.
+ *
+ * If you add a register here, also add it to regoffset_table[] in
+ * arch/mips/kernel/ptrace.c.
+ */
+struct pt_regs {
+#ifdef CONFIG_32BIT
+ /* Pad bytes for argument save space on the stack. */
+ unsigned long pad0[8];
+#endif
+
+ /* Saved main processor registers. */
+ unsigned long regs[32];
+
+ /* Saved special registers. */
+ unsigned long cp0_status;
+ unsigned long hi;
+ unsigned long lo;
+#ifdef CONFIG_CPU_HAS_SMARTMIPS
+ unsigned long acx;
+#endif
+ unsigned long cp0_badvaddr;
+ unsigned long cp0_cause;
+ unsigned long cp0_epc;
+#ifdef CONFIG_CPU_CAVIUM_OCTEON
+ unsigned long long mpl[6]; /* MTM{0-5} */
+ unsigned long long mtp[6]; /* MTP{0-5} */
+#endif
+ unsigned long __last[0];
+} __aligned(8);
+
+static inline unsigned long kernel_stack_pointer(struct pt_regs *regs)
+{
+ return regs->regs[31];
+}
+
+/*
+ * Don't use asm-generic/ptrace.h it defines FP accessors that don't make
+ * sense on MIPS. We rather want an error if they get invoked.
+ */
+
+static inline void instruction_pointer_set(struct pt_regs *regs,
+ unsigned long val)
+{
+ regs->cp0_epc = val;
+}
+
+/* Query offset/name of register from its name/offset */
+extern int regs_query_register_offset(const char *name);
+#define MAX_REG_OFFSET (offsetof(struct pt_regs, __last))
+
+/**
+ * regs_get_register() - get register value from its offset
+ * @regs: pt_regs from which register value is gotten.
+ * @offset: offset number of the register.
+ *
+ * regs_get_register returns the value of a register. The @offset is the
+ * offset of the register in struct pt_regs address which specified by @regs.
+ * If @offset is bigger than MAX_REG_OFFSET, this returns 0.
+ */
+static inline unsigned long regs_get_register(struct pt_regs *regs,
+ unsigned int offset)
+{
+ if (unlikely(offset > MAX_REG_OFFSET))
+ return 0;
+
+ return *(unsigned long *)((unsigned long)regs + offset);
+}
+
+/*
+ * Does the process account for user or for system time?
+ */
+#define user_mode(regs) (((regs)->cp0_status & KU_MASK) == KU_USER)
+
+#define instruction_pointer(regs) ((regs)->cp0_epc)
+#define profile_pc(regs) instruction_pointer(regs)
+
+/* Helpers for working with the user stack pointer */
+
+static inline unsigned long user_stack_pointer(struct pt_regs *regs)
+{
+ return regs->regs[29];
+}
+
+static inline void user_stack_pointer_set(struct pt_regs *regs,
+ unsigned long val)
+{
+ regs->regs[29] = val;
+}
+
+#endif /* _ASM_PTRACE_H */
--
cgit