1 files changed, 0 insertions, 384 deletions
diff --git a/scripts/dtc/libfdt/fdt_sw.c b/scripts/dtc/libfdt/fdt_sw.c
deleted file mode 100644
index 4c569ee..0000000
--- a/scripts/dtc/libfdt/fdt_sw.c
+++ /dev/null
@@ -1,384 +0,0 @@
-// SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-2-Clause)
-/*
- * libfdt - Flat Device Tree manipulation
- * Copyright (C) 2006 David Gibson, IBM Corporation.
- */
-#include "libfdt_env.h"
-
-#include <fdt.h>
-#include <libfdt.h>
-
-#include "libfdt_internal.h"
-
-static int fdt_sw_probe_(void *fdt)
-{
-	if (!can_assume(VALID_INPUT)) {
-		if (fdt_magic(fdt) == FDT_MAGIC)
-			return -FDT_ERR_BADSTATE;
-		else if (fdt_magic(fdt) != FDT_SW_MAGIC)
-			return -FDT_ERR_BADMAGIC;
-	}
-
-	return 0;
-}
-
-#define FDT_SW_PROBE(fdt) \
-	{ \
-		int err; \
-		if ((err = fdt_sw_probe_(fdt)) != 0) \
-			return err; \
-	}
-
-/* 'memrsv' state:	Initial state after fdt_create()
- *
- * Allowed functions:
- *	fdt_add_reservemap_entry()
- *	fdt_finish_reservemap()		[moves to 'struct' state]
- */
-static int fdt_sw_probe_memrsv_(void *fdt)
-{
-	int err = fdt_sw_probe_(fdt);
-	if (err)
-		return err;
-
-	if (!can_assume(VALID_INPUT) && fdt_off_dt_strings(fdt) != 0)
-		return -FDT_ERR_BADSTATE;
-	return 0;
-}
-
-#define FDT_SW_PROBE_MEMRSV(fdt) \
-	{ \
-		int err; \
-		if ((err = fdt_sw_probe_memrsv_(fdt)) != 0) \
-			return err; \
-	}
-
-/* 'struct' state:	Enter this state after fdt_finish_reservemap()
- *
- * Allowed functions:
- *	fdt_begin_node()
- *	fdt_end_node()
- *	fdt_property*()
- *	fdt_finish()			[moves to 'complete' state]
- */
-static int fdt_sw_probe_struct_(void *fdt)
-{
-	int err = fdt_sw_probe_(fdt);
-	if (err)
-		return err;
-
-	if (!can_assume(VALID_INPUT) &&
-	    fdt_off_dt_strings(fdt) != fdt_totalsize(fdt))
-		return -FDT_ERR_BADSTATE;
-	return 0;
-}
-
-#define FDT_SW_PROBE_STRUCT(fdt) \
-	{ \
-		int err; \
-		if ((err = fdt_sw_probe_struct_(fdt)) != 0) \
-			return err; \
-	}
-
-static inline uint32_t sw_flags(void *fdt)
-{
-	/* assert: (fdt_magic(fdt) == FDT_SW_MAGIC) */
-	return fdt_last_comp_version(fdt);
-}
-
-/* 'complete' state:	Enter this state after fdt_finish()
- *
- * Allowed functions: none
- */
-
-static void *fdt_grab_space_(void *fdt, size_t len)
-{
-	unsigned int offset = fdt_size_dt_struct(fdt);
-	unsigned int spaceleft;
-
-	spaceleft = fdt_totalsize(fdt) - fdt_off_dt_struct(fdt)
-		- fdt_size_dt_strings(fdt);
-
-	if ((offset + len < offset) || (offset + len > spaceleft))
-		return NULL;
-
-	fdt_set_size_dt_struct(fdt, offset + len);
-	return fdt_offset_ptr_w_(fdt, offset);
-}
-
-int fdt_create_with_flags(void *buf, int bufsize, uint32_t flags)
-{
-	const int hdrsize = FDT_ALIGN(sizeof(struct fdt_header),
-				      sizeof(struct fdt_reserve_entry));
-	void *fdt = buf;
-
-	if (bufsize < hdrsize)
-		return -FDT_ERR_NOSPACE;
-
-	if (flags & ~FDT_CREATE_FLAGS_ALL)
-		return -FDT_ERR_BADFLAGS;
-
-	memset(buf, 0, bufsize);
-
-	/*
-	 * magic and last_comp_version keep intermediate state during the fdt
-	 * creation process, which is replaced with the proper FDT format by
-	 * fdt_finish().
-	 *
-	 * flags should be accessed with sw_flags().
-	 */
-	fdt_set_magic(fdt, FDT_SW_MAGIC);
-	fdt_set_version(fdt, FDT_LAST_SUPPORTED_VERSION);
-	fdt_set_last_comp_version(fdt, flags);
-
-	fdt_set_totalsize(fdt,  bufsize);
-
-	fdt_set_off_mem_rsvmap(fdt, hdrsize);
-	fdt_set_off_dt_struct(fdt, fdt_off_mem_rsvmap(fdt));
-	fdt_set_off_dt_strings(fdt, 0);
-
-	return 0;
-}
-
-int fdt_create(void *buf, int bufsize)
-{
-	return fdt_create_with_flags(buf, bufsize, 0);
-}
-
-int fdt_resize(void *fdt, void *buf, int bufsize)
-{
-	size_t headsize, tailsize;
-	char *oldtail, *newtail;
-
-	FDT_SW_PROBE(fdt);
-
-	if (bufsize < 0)
-		return -FDT_ERR_NOSPACE;
-
-	headsize = fdt_off_dt_struct(fdt) + fdt_size_dt_struct(fdt);
-	tailsize = fdt_size_dt_strings(fdt);
-
-	if (!can_assume(VALID_DTB) &&
-	    headsize + tailsize > fdt_totalsize(fdt))
-		return -FDT_ERR_INTERNAL;
-
-	if ((headsize + tailsize) > (unsigned)bufsize)
-		return -FDT_ERR_NOSPACE;
-
-	oldtail = (char *)fdt + fdt_totalsize(fdt) - tailsize;
-	newtail = (char *)buf + bufsize - tailsize;
-
-	/* Two cases to avoid clobbering data if the old and new
-	 * buffers partially overlap */
-	if (buf <= fdt) {
-		memmove(buf, fdt, headsize);
-		memmove(newtail, oldtail, tailsize);
-	} else {
-		memmove(newtail, oldtail, tailsize);
-		memmove(buf, fdt, headsize);
-	}
-
-	fdt_set_totalsize(buf, bufsize);
-	if (fdt_off_dt_strings(buf))
-		fdt_set_off_dt_strings(buf, bufsize);
-
-	return 0;
-}
-
-int fdt_add_reservemap_entry(void *fdt, uint64_t addr, uint64_t size)
-{
-	struct fdt_reserve_entry *re;
-	int offset;
-
-	FDT_SW_PROBE_MEMRSV(fdt);
-
-	offset = fdt_off_dt_struct(fdt);
-	if ((offset + sizeof(*re)) > fdt_totalsize(fdt))
-		return -FDT_ERR_NOSPACE;
-
-	re = (struct fdt_reserve_entry *)((char *)fdt + offset);
-	re->address = cpu_to_fdt64(addr);
-	re->size = cpu_to_fdt64(size);
-
-	fdt_set_off_dt_struct(fdt, offset + sizeof(*re));
-
-	return 0;
-}
-
-int fdt_finish_reservemap(void *fdt)
-{
-	int err = fdt_add_reservemap_entry(fdt, 0, 0);
-
-	if (err)
-		return err;
-
-	fdt_set_off_dt_strings(fdt, fdt_totalsize(fdt));
-	return 0;
-}
-
-int fdt_begin_node(void *fdt, const char *name)
-{
-	struct fdt_node_header *nh;
-	int namelen;
-
-	FDT_SW_PROBE_STRUCT(fdt);
-
-	namelen = strlen(name) + 1;
-	nh = fdt_grab_space_(fdt, sizeof(*nh) + FDT_TAGALIGN(namelen));
-	if (! nh)
-		return -FDT_ERR_NOSPACE;
-
-	nh->tag = cpu_to_fdt32(FDT_BEGIN_NODE);
-	memcpy(nh->name, name, namelen);
-	return 0;
-}
-
-int fdt_end_node(void *fdt)
-{
-	fdt32_t *en;
-
-	FDT_SW_PROBE_STRUCT(fdt);
-
-	en = fdt_grab_space_(fdt, FDT_TAGSIZE);
-	if (! en)
-		return -FDT_ERR_NOSPACE;
-
-	*en = cpu_to_fdt32(FDT_END_NODE);
-	return 0;
-}
-
-static int fdt_add_string_(void *fdt, const char *s)
-{
-	char *strtab = (char *)fdt + fdt_totalsize(fdt);
-	unsigned int strtabsize = fdt_size_dt_strings(fdt);
-	unsigned int len = strlen(s) + 1;
-	unsigned int struct_top, offset;
-
-	offset = strtabsize + len;
-	struct_top = fdt_off_dt_struct(fdt) + fdt_size_dt_struct(fdt);
-	if (fdt_totalsize(fdt) - offset < struct_top)
-		return 0; /* no more room :( */
-
-	memcpy(strtab - offset, s, len);
-	fdt_set_size_dt_strings(fdt, strtabsize + len);
-	return -offset;
-}
-
-/* Must only be used to roll back in case of error */
-static void fdt_del_last_string_(void *fdt, const char *s)
-{
-	int strtabsize = fdt_size_dt_strings(fdt);
-	int len = strlen(s) + 1;
-
-	fdt_set_size_dt_strings(fdt, strtabsize - len);
-}
-
-static int fdt_find_add_string_(void *fdt, const char *s, int *allocated)
-{
-	char *strtab = (char *)fdt + fdt_totalsize(fdt);
-	int strtabsize = fdt_size_dt_strings(fdt);
-	const char *p;
-
-	*allocated = 0;
-
-	p = fdt_find_string_(strtab - strtabsize, strtabsize, s);
-	if (p)
-		return p - strtab;
-
-	*allocated = 1;
-
-	return fdt_add_string_(fdt, s);
-}
-
-int fdt_property_placeholder(void *fdt, const char *name, int len, void **valp)
-{
-	struct fdt_property *prop;
-	int nameoff;
-	int allocated;
-
-	FDT_SW_PROBE_STRUCT(fdt);
-
-	/* String de-duplication can be slow, _NO_NAME_DEDUP skips it */
-	if (sw_flags(fdt) & FDT_CREATE_FLAG_NO_NAME_DEDUP) {
-		allocated = 1;
-		nameoff = fdt_add_string_(fdt, name);
-	} else {
-		nameoff = fdt_find_add_string_(fdt, name, &allocated);
-	}
-	if (nameoff == 0)
-		return -FDT_ERR_NOSPACE;
-
-	prop = fdt_grab_space_(fdt, sizeof(*prop) + FDT_TAGALIGN(len));
-	if (! prop) {
-		if (allocated)
-			fdt_del_last_string_(fdt, name);
-		return -FDT_ERR_NOSPACE;
-	}
-
-	prop->tag = cpu_to_fdt32(FDT_PROP);
-	prop->nameoff = cpu_to_fdt32(nameoff);
-	prop->len = cpu_to_fdt32(len);
-	*valp = prop->data;
-	return 0;
-}
-
-int fdt_property(void *fdt, const char *name, const void *val, int len)
-{
-	void *ptr;
-	int ret;
-
-	ret = fdt_property_placeholder(fdt, name, len, &ptr);
-	if (ret)
-		return ret;
-	memcpy(ptr, val, len);
-	return 0;
-}
-
-int fdt_finish(void *fdt)
-{
-	char *p = (char *)fdt;
-	fdt32_t *end;
-	int oldstroffset, newstroffset;
-	uint32_t tag;
-	int offset, nextoffset;
-
-	FDT_SW_PROBE_STRUCT(fdt);
-
-	/* Add terminator */
-	end = fdt_grab_space_(fdt, sizeof(*end));
-	if (! end)
-		return -FDT_ERR_NOSPACE;
-	*end = cpu_to_fdt32(FDT_END);
-
-	/* Relocate the string table */
-	oldstroffset = fdt_totalsize(fdt) - fdt_size_dt_strings(fdt);
-	newstroffset = fdt_off_dt_struct(fdt) + fdt_size_dt_struct(fdt);
-	memmove(p + newstroffset, p + oldstroffset, fdt_size_dt_strings(fdt));
-	fdt_set_off_dt_strings(fdt, newstroffset);
-
-	/* Walk the structure, correcting string offsets */
-	offset = 0;
-	while ((tag = fdt_next_tag(fdt, offset, &nextoffset)) != FDT_END) {
-		if (tag == FDT_PROP) {
-			struct fdt_property *prop =
-				fdt_offset_ptr_w_(fdt, offset);
-			int nameoff;
-
-			nameoff = fdt32_to_cpu(prop->nameoff);
-			nameoff += fdt_size_dt_strings(fdt);
-			prop->nameoff = cpu_to_fdt32(nameoff);
-		}
-		offset = nextoffset;
-	}
-	if (nextoffset < 0)
-		return nextoffset;
-
-	/* Finally, adjust the header */
-	fdt_set_totalsize(fdt, newstroffset + fdt_size_dt_strings(fdt));
-
-	/* And fix up fields that were keeping intermediate state. */
-	fdt_set_last_comp_version(fdt, FDT_LAST_COMPATIBLE_VERSION);
-	fdt_set_magic(fdt, FDT_MAGIC);
-
-	return 0;
-}