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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 /arch/s390/include
parentf616d6760716f702b3aa459fd20c8d8cce693abd (diff)
downloadlinux-648ae35c54b147c3b25d212f2936bb1cb91ea7d0.tar.bz2
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>
Diffstat (limited to 'arch/s390/include')
-rw-r--r--arch/s390/include/asm/dis.h42
1 files changed, 42 insertions, 0 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__ */