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Date: Wed, 26 Aug 2009 14:25:05 +0800
From: Chen Liqin <liqin.chen@...plusct.com>
To: linux-arch@...r.kernel.org, linux-kernel@...r.kernel.org
Cc: Arnd Bergmann <arnd@...db.de>, torvalds@...ux-foundation.org
Subject: Subject: [PATCH 18/33] score: create head files futex.h ftrace.h
mutex.h ptarce.h
>>From 17cd7f3cb8e56b2343df326897a7a9c70c5dd1a8 Mon Sep 17 00:00:00 2001
From: Chen Liqin <liqin.chen@...plusct.com>
Date: Wed, 26 Aug 2009 10:05:05 +0800
Subject: [PATCH 18/33] score: create head files futex.h ftrace.h mutex.h ptarce.h
Signed-off-by: Chen Liqin <liqin.chen@...plusct.com>
---
arch/score/include/asm/ftrace.h | 4 ++
arch/score/include/asm/futex.h | 6 ++
arch/score/include/asm/mutex.h | 6 ++
arch/score/include/asm/ptrace.h | 97 +++++++++++++++++++++++++++++++++++++++
4 files changed, 113 insertions(+), 0 deletions(-)
create mode 100644 arch/score/include/asm/ftrace.h
create mode 100644 arch/score/include/asm/futex.h
create mode 100644 arch/score/include/asm/mutex.h
create mode 100644 arch/score/include/asm/ptrace.h
diff --git a/arch/score/include/asm/ftrace.h b/arch/score/include/asm/ftrace.h
new file mode 100644
index 0000000..79d6f10
--- /dev/null
+++ b/arch/score/include/asm/ftrace.h
@@ -0,0 +1,4 @@
+#ifndef _ASM_SCORE_FTRACE_H
+#define _ASM_SCORE_FTRACE_H
+
+#endif /* _ASM_SCORE_FTRACE_H */
diff --git a/arch/score/include/asm/futex.h b/arch/score/include/asm/futex.h
new file mode 100644
index 0000000..1dca242
--- /dev/null
+++ b/arch/score/include/asm/futex.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_FUTEX_H
+#define _ASM_SCORE_FUTEX_H
+
+#include <asm-generic/futex.h>
+
+#endif /* _ASM_SCORE_FUTEX_H */
diff --git a/arch/score/include/asm/mutex.h b/arch/score/include/asm/mutex.h
new file mode 100644
index 0000000..10d48fe
--- /dev/null
+++ b/arch/score/include/asm/mutex.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_MUTEX_H
+#define _ASM_SCORE_MUTEX_H
+
+#include <asm-generic/mutex-dec.h>
+
+#endif /* _ASM_SCORE_MUTEX_H */
diff --git a/arch/score/include/asm/ptrace.h b/arch/score/include/asm/ptrace.h
new file mode 100644
index 0000000..d40e691
--- /dev/null
+++ b/arch/score/include/asm/ptrace.h
@@ -0,0 +1,97 @@
+#ifndef _ASM_SCORE_PTRACE_H
+#define _ASM_SCORE_PTRACE_H
+
+#define PTRACE_GETREGS 12
+#define PTRACE_SETREGS 13
+
+#define PC 32
+#define CONDITION 33
+#define ECR 34
+#define EMA 35
+#define CEH 36
+#define CEL 37
+#define COUNTER 38
+#define LDCR 39
+#define STCR 40
+#define PSR 41
+
+#define SINGLESTEP16_INSN 0x7006
+#define SINGLESTEP32_INSN 0x840C8000
+#define BREAKPOINT16_INSN 0x7002 /* work on SPG300 */
+#define BREAKPOINT32_INSN 0x84048000 /* work on SPG300 */
+
+/* Define instruction mask */
+#define INSN32_MASK 0x80008000
+
+#define J32 0x88008000 /* 1_00010_0000000000_1_000000000000000 */
+#define J32M 0xFC008000 /* 1_11111_0000000000_1_000000000000000 */
+
+#define B32 0x90008000 /* 1_00100_0000000000_1_000000000000000 */
+#define B32M 0xFC008000
+#define BL32 0x90008001 /* 1_00100_0000000000_1_000000000000001 */
+#define BL32M B32
+#define BR32 0x80008008 /* 1_00000_0000000000_1_00000000_000100_0 */
+#define BR32M 0xFFE0807E
+#define BRL32 0x80008009 /* 1_00000_0000000000_1_00000000_000100_1 */
+#define BRL32M BR32M
+
+#define B32_SET (J32 | B32 | BL32 | BR32 | BRL32)
+
+#define J16 0x3000 /* 0_011_....... */
+#define J16M 0xF000
+#define B16 0x4000 /* 0_100_....... */
+#define B16M 0xF000
+#define BR16 0x0004 /* 0_000.......0100 */
+#define BR16M 0xF00F
+#define B16_SET (J16 | B16 | BR16)
+
+
+/*
+ * 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.
+ */
+struct pt_regs {
+ unsigned long pad0[6]; /* stack arguments */
+ unsigned long orig_r4;
+ unsigned long orig_r7;
+ long is_syscall;
+
+ unsigned long regs[32];
+
+ unsigned long cel;
+ unsigned long ceh;
+
+ unsigned long sr0; /* cnt */
+ unsigned long sr1; /* lcr */
+ unsigned long sr2; /* scr */
+
+ unsigned long cp0_epc;
+ unsigned long cp0_ema;
+ unsigned long cp0_psr;
+ unsigned long cp0_ecr;
+ unsigned long cp0_condition;
+};
+
+#ifdef __KERNEL__
+
+struct task_struct;
+
+/*
+ * Does the process account for user or for system time?
+ */
+#define user_mode(regs) ((regs->cp0_psr & 8) == 8)
+
+#define instruction_pointer(regs) ((unsigned long)(regs)->cp0_epc)
+#define profile_pc(regs) instruction_pointer(regs)
+
+extern void do_syscall_trace(struct pt_regs *regs, int entryexit);
+extern int read_tsk_long(struct task_struct *, unsigned long, unsigned long *);
+extern int read_tsk_short(struct task_struct *, unsigned long,
+ unsigned short *);
+
+#define arch_has_single_step() (1)
+extern void user_enable_single_step(struct task_struct *);
+extern void user_disable_single_step(struct task_struct *);
+#endif /* __KERNEL__ */
+
+#endif /* _ASM_SCORE_PTRACE_H */
--
1.6.2
--
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