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authorSuzuki K. Poulose <suzuki@in.ibm.com>2013-08-29 14:35:48 +0530
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2013-10-24 17:16:48 +0200
commit648ae35c54b147c3b25d212f2936bb1cb91ea7d0 (patch)
tree32b1571120c4b0984968e924225375f2a248cdb1
parentf616d6760716f702b3aa459fd20c8d8cce693abd (diff)
downloadlwn-648ae35c54b147c3b25d212f2936bb1cb91ea7d0.tar.gz
lwn-648ae35c54b147c3b25d212f2936bb1cb91ea7d0.zip
s390/dis: move common definitions to a header file
The patch moves some of the definitions to a header file. No functional changes involved. I have retained the Copyright Statement from the original file. Signed-off-by: Suzuki K Poulose <suzuki@in.ibm.com> [Heiko Carstens: rename s390-dis.h to dis.h] Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
-rw-r--r--arch/s390/include/asm/dis.h42
-rw-r--r--arch/s390/kernel/dis.c29
2 files changed, 43 insertions, 28 deletions
diff --git a/arch/s390/include/asm/dis.h b/arch/s390/include/asm/dis.h
new file mode 100644
index 000000000000..6f73119ef27e
--- /dev/null
+++ b/arch/s390/include/asm/dis.h
@@ -0,0 +1,42 @@
+/*
+ * Disassemble s390 instructions.
+ *
+ * Copyright IBM Corp. 2007
+ * Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com),
+ */
+
+#ifndef __ASM_S390_DIS_H__
+#define __ASM_S390_DIS_H__
+
+/* Type of operand */
+#define OPERAND_GPR 0x1 /* Operand printed as %rx */
+#define OPERAND_FPR 0x2 /* Operand printed as %fx */
+#define OPERAND_AR 0x4 /* Operand printed as %ax */
+#define OPERAND_CR 0x8 /* Operand printed as %cx */
+#define OPERAND_DISP 0x10 /* Operand printed as displacement */
+#define OPERAND_BASE 0x20 /* Operand printed as base register */
+#define OPERAND_INDEX 0x40 /* Operand printed as index register */
+#define OPERAND_PCREL 0x80 /* Operand printed as pc-relative symbol */
+#define OPERAND_SIGNED 0x100 /* Operand printed as signed value */
+#define OPERAND_LENGTH 0x200 /* Operand printed as length (+1) */
+
+
+struct s390_operand {
+ int bits; /* The number of bits in the operand. */
+ int shift; /* The number of bits to shift. */
+ int flags; /* One bit syntax flags. */
+};
+
+struct s390_insn {
+ const char name[5];
+ unsigned char opfrag;
+ unsigned char format;
+};
+
+
+static inline int insn_length(unsigned char code)
+{
+ return ((((int) code + 64) >> 7) + 1) << 1;
+}
+
+#endif /* __ASM_S390_DIS_H__ */
diff --git a/arch/s390/kernel/dis.c b/arch/s390/kernel/dis.c
index 5fb278eb5e46..ce554f3ec445 100644
--- a/arch/s390/kernel/dis.c
+++ b/arch/s390/kernel/dis.c
@@ -23,6 +23,7 @@
#include <linux/kdebug.h>
#include <asm/uaccess.h>
+#include <asm/dis.h>
#include <asm/io.h>
#include <linux/atomic.h>
#include <asm/mathemu.h>
@@ -37,17 +38,6 @@
#define ONELONG "%016lx: "
#endif /* CONFIG_64BIT */
-#define OPERAND_GPR 0x1 /* Operand printed as %rx */
-#define OPERAND_FPR 0x2 /* Operand printed as %fx */
-#define OPERAND_AR 0x4 /* Operand printed as %ax */
-#define OPERAND_CR 0x8 /* Operand printed as %cx */
-#define OPERAND_DISP 0x10 /* Operand printed as displacement */
-#define OPERAND_BASE 0x20 /* Operand printed as base register */
-#define OPERAND_INDEX 0x40 /* Operand printed as index register */
-#define OPERAND_PCREL 0x80 /* Operand printed as pc-relative symbol */
-#define OPERAND_SIGNED 0x100 /* Operand printed as signed value */
-#define OPERAND_LENGTH 0x200 /* Operand printed as length (+1) */
-
enum {
UNUSED, /* Indicates the end of the operand list */
R_8, /* GPR starting at position 8 */
@@ -155,18 +145,6 @@ enum {
INSTR_S_00, INSTR_S_RD,
};
-struct s390_operand {
- int bits; /* The number of bits in the operand. */
- int shift; /* The number of bits to shift. */
- int flags; /* One bit syntax flags. */
-};
-
-struct s390_insn {
- const char name[5];
- unsigned char opfrag;
- unsigned char format;
-};
-
static const struct s390_operand operands[] =
{
[UNUSED] = { 0, 0, 0 },
@@ -1608,11 +1586,6 @@ static unsigned int extract_operand(unsigned char *code,
return val;
}
-static inline int insn_length(unsigned char code)
-{
- return ((((int) code + 64) >> 7) + 1) << 1;
-}
-
static struct s390_insn *find_insn(unsigned char *code)
{
unsigned char opfrag = code[1];