1 files changed, 0 insertions, 407 deletions
diff --git a/drivers/staging/tidspbridge/dynload/getsection.c b/drivers/staging/tidspbridge/dynload/getsection.c
deleted file mode 100644
index e0b37714dd65..000000000000
--- a/drivers/staging/tidspbridge/dynload/getsection.c
+++ /dev/null
@@ -1,407 +0,0 @@
-/*
- * getsection.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 <dspbridge/getsection.h>
-#include "header.h"
-
-/*
- * Error strings
- */
-static const char readstrm[] = { "Error reading %s from input stream" };
-static const char seek[] = { "Set file position to %d failed" };
-static const char isiz[] = { "Bad image packet size %d" };
-static const char err_checksum[] = { "Checksum failed on %s" };
-
-static const char err_reloc[] = { "dload_get_section unable to read"
-	    "sections containing relocation entries"
-};
-
-#if BITS_PER_AU > BITS_PER_BYTE
-static const char err_alloc[] = { "Syms->dload_allocate( %d ) failed" };
-static const char stbl[] = { "Bad string table offset " FMT_UI32 };
-#endif
-
-/************************************************************** */
-/********************* SUPPORT FUNCTIONS ********************** */
-/************************************************************** */
-
-#if BITS_PER_AU > BITS_PER_BYTE
-/**************************************************************************
- * Procedure unpack_sec_name
- *
- * Parameters:
- *  dlthis		Handle from dload_module_open for this module
- *	soffset	    Byte offset into the string table
- *  dst         Place to store the expanded string
- *
- * Effect:
- *	Stores a string from the string table into the destination, expanding
- * it in the process.  Returns a pointer just past the end of the stored
- * string on success, or NULL on failure.
- *
- ************************************************************************ */
-static char *unpack_sec_name(struct dload_state *dlthis, u32 soffset, char *dst)
-{
-	u8 tmp, *src;
-
-	if (soffset >= dlthis->dfile_hdr.df_scn_name_size) {
-		dload_error(dlthis, stbl, soffset);
-		return NULL;
-	}
-	src = (u8 *) dlthis->str_head +
-	    (soffset >> (LOG_BITS_PER_AU - LOG_BITS_PER_BYTE));
-	if (soffset & 1)
-		*dst++ = *src++;	/* only 1 character in first word */
-	do {
-		tmp = *src++;
-		*dst = (tmp >> BITS_PER_BYTE)
-		    if (!(*dst++))
-			break;
-	} while ((*dst++ = tmp & BYTE_MASK));
-
-	return dst;
-}
-
-/**************************************************************************
- * Procedure expand_sec_names
- *
- * Parameters:
- *  dlthis		Handle from dload_module_open for this module
- *
- * Effect:
- *    Allocates a buffer, unpacks and copies strings from string table into it.
- * Stores a pointer to the buffer into a state variable.
- ************************************************************************* */
-static void expand_sec_names(struct dload_state *dlthis)
-{
-	char *xstrings, *curr, *next;
-	u32 xsize;
-	u16 sec;
-	struct ldr_section_info *shp;
-	/* assume worst-case size requirement */
-	xsize = dlthis->dfile_hdr.df_max_str_len * dlthis->dfile_hdr.df_no_scns;
-	xstrings = (char *)dlthis->mysym->dload_allocate(dlthis->mysym, xsize);
-	if (xstrings == NULL) {
-		dload_error(dlthis, err_alloc, xsize);
-		return;
-	}
-	dlthis->xstrings = xstrings;
-	/* For each sec, copy and expand its name */
-	curr = xstrings;
-	for (sec = 0; sec < dlthis->dfile_hdr.df_no_scns; sec++) {
-		shp = (struct ldr_section_info *)&dlthis->sect_hdrs[sec];
-		next = unpack_sec_name(dlthis, *(u32 *) &shp->name, curr);
-		if (next == NULL)
-			break;	/* error */
-		shp->name = curr;
-		curr = next;
-	}
-}
-
-#endif
-
-/************************************************************** */
-/********************* EXPORTED FUNCTIONS ********************* */
-/************************************************************** */
-
-/**************************************************************************
- * Procedure dload_module_open
- *
- * Parameters:
- *	module	The input stream that supplies the module image
- *	syms	Host-side malloc/free and error reporting functions.
- *			Other methods are unused.
- *
- * Effect:
- *	Reads header information from a dynamic loader module using the
-    specified
- * stream object, and returns a handle for the module information.  This
- * handle may be used in subsequent query calls to obtain information
- * contained in the module.
- *
- * Returns:
- *	NULL if an error is encountered, otherwise a module handle for use
- * in subsequent operations.
- ************************************************************************* */
-void *dload_module_open(struct dynamic_loader_stream *module,
-				    struct dynamic_loader_sym *syms)
-{
-	struct dload_state *dlthis;	/* internal state for this call */
-	unsigned *dp, sz;
-	u32 sec_start;
-#if BITS_PER_AU <= BITS_PER_BYTE
-	u16 sec;
-#endif
-
-	/* Check that mandatory arguments are present */
-	if (!module || !syms) {
-		if (syms != NULL)
-			dload_syms_error(syms, "Required parameter is NULL");
-
-		return NULL;
-	}
-
-	dlthis = (struct dload_state *)
-	    syms->dload_allocate(syms, sizeof(struct dload_state));
-	if (!dlthis) {
-		/* not enough storage */
-		dload_syms_error(syms, "Can't allocate module info");
-		return NULL;
-	}
-
-	/* clear our internal state */
-	dp = (unsigned *)dlthis;
-	for (sz = sizeof(struct dload_state) / sizeof(unsigned);
-	     sz > 0; sz -= 1)
-		*dp++ = 0;
-
-	dlthis->strm = module;
-	dlthis->mysym = syms;
-
-	/* read in the doff image and store in our state variable */
-	dload_headers(dlthis);
-
-	if (!dlthis->dload_errcount)
-		dload_strings(dlthis, true);
-
-	/* skip ahead past the unread portion of the string table */
-	sec_start = sizeof(struct doff_filehdr_t) +
-	    sizeof(struct doff_verify_rec_t) +
-	    BYTE_TO_HOST(DOFF_ALIGN(dlthis->dfile_hdr.df_strtab_size));
-
-	if (dlthis->strm->set_file_posn(dlthis->strm, sec_start) != 0) {
-		dload_error(dlthis, seek, sec_start);
-		return NULL;
-	}
-
-	if (!dlthis->dload_errcount)
-		dload_sections(dlthis);
-
-	if (dlthis->dload_errcount) {
-		dload_module_close(dlthis);	/* errors, blow off our state */
-		dlthis = NULL;
-		return NULL;
-	}
-#if BITS_PER_AU > BITS_PER_BYTE
-	/* Expand all section names from the string table into the */
-	/* state variable, and convert section names from a relative */
-	/* string table offset to a pointers to the expanded string. */
-	expand_sec_names(dlthis);
-#else
-	/* Convert section names from a relative string table offset */
-	/* to a pointer into the string table. */
-	for (sec = 0; sec < dlthis->dfile_hdr.df_no_scns; sec++) {
-		struct ldr_section_info *shp =
-		    (struct ldr_section_info *)&dlthis->sect_hdrs[sec];
-		shp->name = dlthis->str_head + *(u32 *) &shp->name;
-	}
-#endif
-
-	return dlthis;
-}
-
-/***************************************************************************
- * Procedure dload_get_section_info
- *
- * Parameters:
- *  minfo		Handle from dload_module_open for this module
- *	section_name	Pointer to the string name of the section desired
- *	section_info	Address of a section info structure pointer to be
- *			initialized
- *
- * Effect:
- *	Finds the specified section in the module information, and initializes
- * the provided struct ldr_section_info pointer.
- *
- * Returns:
- *	true for success, false for section not found
- ************************************************************************* */
-int dload_get_section_info(void *minfo, const char *section_name,
-			   const struct ldr_section_info **const section_info)
-{
-	struct dload_state *dlthis;
-	struct ldr_section_info *shp;
-	u16 sec;
-
-	dlthis = (struct dload_state *)minfo;
-	if (!dlthis)
-		return false;
-
-	for (sec = 0; sec < dlthis->dfile_hdr.df_no_scns; sec++) {
-		shp = (struct ldr_section_info *)&dlthis->sect_hdrs[sec];
-		if (strcmp(section_name, shp->name) == 0) {
-			*section_info = shp;
-			return true;
-		}
-	}
-
-	return false;
-}
-
-#define IPH_SIZE (sizeof(struct image_packet_t) - sizeof(u32))
-
-/**************************************************************************
- * Procedure dload_get_section
- *
- * Parameters:
- *  minfo		Handle from dload_module_open for this module
- *	section_info	Pointer to a section info structure for the desired
- *			section
- *	section_data	Buffer to contain the section initialized data
- *
- * Effect:
- *	Copies the initialized data for the specified section into the
- * supplied buffer.
- *
- * Returns:
- *	true for success, false for section not found
- ************************************************************************* */
-int dload_get_section(void *minfo,
-		      const struct ldr_section_info *section_info,
-		      void *section_data)
-{
-	struct dload_state *dlthis;
-	u32 pos;
-	struct doff_scnhdr_t *sptr = NULL;
-	s32 nip;
-	struct image_packet_t ipacket;
-	s32 ipsize;
-	u32 checks;
-	s8 *dest = (s8 *) section_data;
-
-	dlthis = (struct dload_state *)minfo;
-	if (!dlthis)
-		return false;
-	sptr = (struct doff_scnhdr_t *)section_info;
-	if (sptr == NULL)
-		return false;
-
-	/* skip ahead to the start of the first packet */
-	pos = BYTE_TO_HOST(DOFF_ALIGN((u32) sptr->ds_first_pkt_offset));
-	if (dlthis->strm->set_file_posn(dlthis->strm, pos) != 0) {
-		dload_error(dlthis, seek, pos);
-		return false;
-	}
-
-	nip = sptr->ds_nipacks;
-	while ((nip -= 1) >= 0) {	/* for each packet */
-		/* get the fixed header bits */
-		if (dlthis->strm->read_buffer(dlthis->strm, &ipacket,
-					      IPH_SIZE) != IPH_SIZE) {
-			dload_error(dlthis, readstrm, "image packet");
-			return false;
-		}
-		/* reorder the header if need be */
-		if (dlthis->reorder_map)
-			dload_reorder(&ipacket, IPH_SIZE, dlthis->reorder_map);
-
-		/* Now read the packet image bits. Note: round the size up to
-		 * the next multiple of 4 bytes; this is what checksum
-		 * routines want. */
-		ipsize = BYTE_TO_HOST(DOFF_ALIGN(ipacket.packet_size));
-		if (ipsize > BYTE_TO_HOST(IMAGE_PACKET_SIZE)) {
-			dload_error(dlthis, isiz, ipsize);
-			return false;
-		}
-		if (dlthis->strm->read_buffer
-		    (dlthis->strm, dest, ipsize) != ipsize) {
-			dload_error(dlthis, readstrm, "image packet");
-			return false;
-		}
-		/* reorder the bytes if need be */
-#if !defined(_BIG_ENDIAN) || (TARGET_AU_BITS > 16)
-		if (dlthis->reorder_map)
-			dload_reorder(dest, ipsize, dlthis->reorder_map);
-
-		checks = dload_checksum(dest, ipsize);
-#else
-		if (dlthis->dfile_hdr.df_byte_reshuffle !=
-		    TARGET_ORDER(REORDER_MAP(BYTE_RESHUFFLE_VALUE))) {
-			/* put image bytes in big-endian order, not PC order */
-			dload_reorder(dest, ipsize,
-				      TARGET_ORDER(dlthis->
-						dfile_hdr.df_byte_reshuffle));
-		}
-#if TARGET_AU_BITS > 8
-		checks = dload_reverse_checksum16(dest, ipsize);
-#else
-		checks = dload_reverse_checksum(dest, ipsize);
-#endif
-#endif
-		checks += dload_checksum(&ipacket, IPH_SIZE);
-
-		/* NYI: unable to handle relocation entries here.  Reloc
-		 * entries referring to fields that span the packet boundaries
-		 * may result in packets of sizes that are not multiple of
-		 * 4 bytes. Our checksum implementation works on 32-bit words
-		 * only. */
-		if (ipacket.num_relocs != 0) {
-			dload_error(dlthis, err_reloc, ipsize);
-			return false;
-		}
-
-		if (~checks) {
-			dload_error(dlthis, err_checksum, "image packet");
-			return false;
-		}
-
-		/*Advance destination ptr by the size of the just-read packet */
-		dest += ipsize;
-	}
-
-	return true;
-}
-
-/***************************************************************************
- * Procedure dload_module_close
- *
- * Parameters:
- *  minfo		Handle from dload_module_open for this module
- *
- * Effect:
- *	Releases any storage associated with the module handle.  On return,
- * the module handle is invalid.
- *
- * Returns:
- *	Zero for success. On error, the number of errors detected is returned.
- * Individual errors are reported using syms->error_report(), where syms was
- * an argument to dload_module_open
- ************************************************************************* */
-void dload_module_close(void *minfo)
-{
-	struct dload_state *dlthis;
-
-	dlthis = (struct dload_state *)minfo;
-	if (!dlthis)
-		return;
-
-	if (dlthis->str_head)
-		dlthis->mysym->dload_deallocate(dlthis->mysym,
-						dlthis->str_head);
-
-	if (dlthis->sect_hdrs)
-		dlthis->mysym->dload_deallocate(dlthis->mysym,
-						dlthis->sect_hdrs);
-
-#if BITS_PER_AU > BITS_PER_BYTE
-	if (dlthis->xstrings)
-		dlthis->mysym->dload_deallocate(dlthis->mysym,
-						dlthis->xstrings);
-
-#endif
-
-	dlthis->mysym->dload_deallocate(dlthis->mysym, dlthis);
-}