Maemo patchset 20101501+0m5

[h-e-n] / drivers / dsp / bridge / dynload / reloc_table.h

diff --git a/drivers/dsp/bridge/dynload/reloc_table.h b/drivers/dsp/bridge/dynload/reloc_table.h
new file mode 100644 (file)
index 0000000..6326146
--- /dev/null
+++ b/drivers/dsp/bridge/dynload/reloc_table.h
@@ -0,0 +1,102 @@
+/*
+ * reloc_table.h
+ *
+ * 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.
+ */
+
+
+
+#ifndef __RELOC_TABLE_H__
+#define __RELOC_TABLE_H__
+/*
+ * Table of relocation operator properties
+ */
+#include <linux/types.h>
+
+/* How does this relocation operation access the program image? */
+#define ROP_N  0               /* does not access image */
+#define ROP_R  1               /* read from image */
+#define ROP_W  2               /* write to image */
+#define ROP_RW 3               /* read from and write to image */
+
+/* For program image access, what are the overflow rules for the bit field? */
+/* Beware! Procedure repack depends on this encoding */
+#define ROP_ANY        0               /* no overflow ever, just truncate the value */
+#define ROP_SGN        1               /* signed field */
+#define ROP_UNS        2               /* unsigned field */
+#define ROP_MAX 3        /* allow maximum range of either signed or unsigned */
+
+/* How does the relocation operation use the symbol reference */
+#define ROP_IGN        0               /* no symbol is referenced */
+#define ROP_LIT 0              /* use rp->r_uval literal field */
+#define ROP_SYM        1               /* symbol value is used in relocation */
+#define ROP_SYMD 2             /* delta value vs last link is used */
+
+/* How does the reloc op use the stack? */
+#define RSTK_N 0               /* Does not use */
+#define RSTK_POP 1             /* Does a POP */
+#define RSTK_UOP 2             /* Unary op, stack position unaffected */
+#define RSTK_PSH 3             /* Does a push */
+
+/*
+ * Computational actions performed by the dynamic loader
+ */
+enum Dload_Actions {
+       RACT_VAL,    /* don't alter the current val (from stack or mem fetch) */
+       RACT_ASGN,   /* set value to reference amount (from symbol reference) */
+       RACT_ADD,               /* add reference to value */
+       RACT_PCR,               /* add reference minus PC delta to value */
+       RACT_ADDISP,            /* add reference plus r_disp */
+       RACT_ASGPC,     /* set value to section address plus reference */
+
+       RACT_PLUS,              /* stack + */
+       RACT_SUB,               /* stack - */
+       RACT_NEG,               /* stack unary - */
+
+       RACT_MPY,               /* stack * */
+       RACT_DIV,               /* stack / */
+       RACT_MOD,               /* stack % */
+
+       RACT_SR,                /* stack unsigned >> */
+       RACT_ASR,               /* stack signed >> */
+       RACT_SL,                /* stack << */
+       RACT_AND,               /* stack & */
+       RACT_OR,                /* stack | */
+       RACT_XOR,               /* stack ^ */
+       RACT_NOT,               /* stack ~ */
+       RACT_C6SECT,            /* for C60 R_SECT op */
+       RACT_C6BASE,            /* for C60 R_BASE op */
+       RACT_C6DSPL,            /* for C60 scaled 15-bit displacement */
+       RACT_PCR23T             /* for ARM Thumb long branch */
+};
+
+/*
+ * macros used to extract values
+ */
+#define RFV_POSN(aaa) ((aaa) & 0xF)
+#define RFV_WIDTH(aaa) (((aaa) >> 4) & 0x3F)
+#define RFV_ACTION(aaa) ((aaa) >> 10)
+
+#define RFV_SIGN(iii) (((iii) >> 2) & 0x3)
+#define RFV_SYM(iii) (((iii) >> 4) & 0x3)
+#define RFV_STK(iii) (((iii) >> 6) & 0x3)
+#define RFV_ACCS(iii) ((iii) & 0x3)
+
+#if (TMS32060)
+#define RFV_SCALE(iii) ((iii) >> 11)
+#define RFV_BIGOFF(iii) (((iii) >> 8) & 0x7)
+#else
+#define RFV_BIGOFF(iii) ((iii) >> 8)
+#endif
+
+#endif                         /* __RELOC_TABLE_H__ */