1 files changed, 73 insertions, 0 deletions

diff --git a/arch/powerpc/include/asm/ppc-opcode.h b/arch/powerpc/include/asm/ppc-opcode.h
new file mode 100644
index 000000000000..f4a4db8d5555
--- /dev/null
+++ b/arch/powerpc/include/asm/ppc-opcode.h
@@ -0,0 +1,73 @@
+/*
+ * Copyright 2009 Freescale Semicondutor, Inc.
+ *
+ * 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; either version
+ * 2 of the License, or (at your option) any later version.
+ *
+ * provides masks and opcode images for use by code generation, emulation
+ * and for instructions that older assemblers might not know about
+ */
+#ifndef _ASM_POWERPC_PPC_OPCODE_H
+#define _ASM_POWERPC_PPC_OPCODE_H
+
+#include <linux/stringify.h>
+#include <asm/asm-compat.h>
+
+/* sorted alphabetically */
+#define PPC_INST_DCBA                   0x7c0005ec
+#define PPC_INST_DCBA_MASK              0xfc0007fe
+#define PPC_INST_DCBAL                  0x7c2005ec
+#define PPC_INST_DCBZL                  0x7c2007ec
+#define PPC_INST_ISEL                   0x7c00001e
+#define PPC_INST_ISEL_MASK              0xfc00003e
+#define PPC_INST_LSWI                   0x7c0004aa
+#define PPC_INST_LSWX                   0x7c00042a
+#define PPC_INST_LWSYNC                 0x7c2004ac
+#define PPC_INST_MCRXR                  0x7c000400
+#define PPC_INST_MCRXR_MASK             0xfc0007fe
+#define PPC_INST_MFSPR_PVR              0x7c1f42a6
+#define PPC_INST_MFSPR_PVR_MASK         0xfc1fffff
+#define PPC_INST_MSGSND                 0x7c00019c
+#define PPC_INST_NOP                    0x60000000
+#define PPC_INST_POPCNTB                0x7c0000f4
+#define PPC_INST_POPCNTB_MASK           0xfc0007fe
+#define PPC_INST_RFCI                   0x4c000066
+#define PPC_INST_RFDI                   0x4c00004e
+#define PPC_INST_RFMCI                  0x4c00004c
+
+#define PPC_INST_STRING                 0x7c00042a
+#define PPC_INST_STRING_MASK            0xfc0007fe
+#define PPC_INST_STRING_GEN_MASK        0xfc00067e
+
+#define PPC_INST_STSWI                  0x7c0005aa
+#define PPC_INST_STSWX                  0x7c00052a
+#define PPC_INST_TLBILX                 0x7c000626
+#define PPC_INST_WAIT                   0x7c00007c
+
+/* macros to insert fields into opcodes */
+#define __PPC_RA(a)     ((a & 0x1f) << 16)
+#define __PPC_RB(b)     ((b & 0x1f) << 11)
+#define __PPC_T_TLB(t)  ((t & 0x3) << 21)
+#define __PPC_WC(w)     ((w & 0x3) << 21)
+
+/* Deal with instructions that older assemblers aren't aware of */
+#define PPC_DCBAL(a, b)         stringify_in_c(.long PPC_INST_DCBAL | \
+                                        __PPC_RA(a) | __PPC_RB(b))
+#define PPC_DCBZL(a, b)         stringify_in_c(.long PPC_INST_DCBZL | \
+                                        __PPC_RA(a) | __PPC_RB(b))
+#define PPC_MSGSND(b)           stringify_in_c(.long PPC_INST_MSGSND | \
+                                        __PPC_RB(b))
+#define PPC_RFCI                stringify_in_c(.long PPC_INST_RFCI)
+#define PPC_RFDI                stringify_in_c(.long PPC_INST_RFDI)
+#define PPC_RFMCI               stringify_in_c(.long PPC_INST_RFMCI)
+#define PPC_TLBILX(t, a, b)     stringify_in_c(.long PPC_INST_TLBILX | \
+                                        __PPC_T_TLB(t) | __PPC_RA(a) | __PPC_RB(b))
+#define PPC_TLBILX_ALL(a, b)    PPC_TLBILX(0, a, b)
+#define PPC_TLBILX_PID(a, b)    PPC_TLBILX(1, a, b)
+#define PPC_TLBILX_VA(a, b)     PPC_TLBILX(3, a, b)
+#define PPC_WAIT(w)             stringify_in_c(.long PPC_INST_WAIT | \
+                                        __PPC_WC(w))
+
+#endif /* _ASM_POWERPC_PPC_OPCODE_H */