1 files changed, 164 insertions, 0 deletions
diff --git a/drivers/staging/tidspbridge/dynload/tramp_table_c6000.c b/drivers/staging/tidspbridge/dynload/tramp_table_c6000.c
new file mode 100644
index 000000000000..09cc64f213c0
--- /dev/null
+++ b/drivers/staging/tidspbridge/dynload/tramp_table_c6000.c
@@ -0,0 +1,164 @@
+/*
+ * tramp_table_c6000.c
+ *
+ * DSP-BIOS Bridge driver support functions for TI OMAP processors.
+ *
+ * Copyright (C) 2005-2006 Texas Instruments, Inc.
+ *
+ * This package is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ */
+
+#include "dload_internal.h"
+
+/*  These are defined in coff.h, but may not be available on all platforms
+	so we'll go ahead and define them here. */
+#ifndef R_C60LO16
+#define R_C60LO16	  0x54	/* C60: MVK Low Half Register */
+#define R_C60HI16	  0x55	/* C60: MVKH/MVKLH High Half Register */
+#endif
+
+#define C6X_TRAMP_WORD_COUNT			8
+#define C6X_TRAMP_MAX_RELOS			 8
+
+/*  THIS HASH FUNCTION MUST MATCH THE ONE reloc_table_c6000.c */
+#define HASH_FUNC(zz) (((((zz) + 1) * 1845UL) >> 11) & 63)
+
+/*  THIS MUST MATCH reloc_record_t FOR A SYMBOL BASED RELO */
+struct c6000_relo_record {
+	s32 vaddr;
+	s32 symndx;
+#ifndef _BIG_ENDIAN
+	u16 disp;
+	u16 type;
+#else
+	u16 type;
+	u16 disp;
+#endif
+};
+
+struct c6000_gen_code {
+	struct tramp_gen_code_hdr hdr;
+	u32 tramp_instrs[C6X_TRAMP_WORD_COUNT];
+	struct c6000_relo_record relos[C6X_TRAMP_MAX_RELOS];
+};
+
+/*  Hash mapping for relos that can cause trampolines. */
+static const u16 tramp_map[] = {
+	65535,
+	65535,
+	65535,
+	65535,
+	65535,
+	65535,
+	65535,
+	65535,
+	65535,
+	65535,
+	0,
+	65535,
+	65535,
+	65535,
+	65535,
+	65535,
+	65535,
+	65535,
+	65535,
+	65535,
+	65535,
+	65535,
+	65535,
+	65535,
+	65535,
+	65535,
+	65535,
+	65535,
+	65535,
+	65535,
+	65535,
+	65535,
+	65535,
+	65535,
+	65535,
+	65535,
+	65535,
+	65535,
+	65535,
+	65535,
+	65535,
+	65535,
+	65535,
+	65535,
+	65535,
+	65535,
+	65535,
+	65535,
+	65535,
+	65535,
+	65535,
+	65535,
+	65535,
+	65535,
+	65535,
+	65535,
+	65535,
+	65535,
+	65535,
+	65535,
+	65535,
+	65535,
+	65535,
+	65535
+};
+
+static const struct c6000_gen_code tramp_gen_info[] = {
+	/*  Tramp caused by R_C60PCR21 */
+	{
+	 /*  Header - 8 instructions, 2 relos */
+	 {
+	  sizeof(u32) * C6X_TRAMP_WORD_COUNT,
+	  2,
+	  FIELD_OFFSET(struct c6000_gen_code, relos)
+	  },
+
+	 /*  Trampoline instructions */
+	 {
+	  0x053C54F7,		/*       STW.D2T2  B10, *sp--[2] */
+	  0x0500002A,		/*  || MVK.S2   <blank>, B10 */
+	  0x0500006A,		/*       MVKH.S2   <blank>, B10 */
+	  0x00280362,		/*       B.S2     B10 */
+	  0x053C52E6,		/*       LDW.D2T2  *++sp[2], B10 */
+	  0x00006000,		/*       NOP       4 */
+	  0x00000000,		/*       NOP */
+	  0x00000000		/*       NOP */
+	  },
+
+	 /*  Relocations */
+	 {
+	  {4, 0, 0, R_C60LO16},
+	  {8, 0, 0, R_C60HI16},
+	  {0, 0, 0, 0x0000},
+	  {0, 0, 0, 0x0000},
+	  {0, 0, 0, 0x0000},
+	  {0, 0, 0, 0x0000},
+	  {0, 0, 0, 0x0000},
+	  {0, 0, 0, 0x0000}
+	  }
+	 }
+};
+
+/*  TARGET SPECIFIC FUNCTIONS THAT MUST BE DEFINED */
+static u32 tramp_size_get(void)
+{
+	return sizeof(u32) * C6X_TRAMP_WORD_COUNT;
+}
+
+static u32 tramp_img_pkt_size_get(void)
+{
+	return sizeof(struct c6000_gen_code);
+}