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authorTom Rini <trini@konsulko.com>2017-09-23 12:52:44 -0400
committerTom Rini <trini@konsulko.com>2017-09-23 17:33:03 -0400
commitc0e032e0090d6541549b19cc47e06ccd1f302893 (patch)
tree3df07c2a174f118fb478ba05c8efe5ab9cf27577 /scripts/dtc/dtc.h
parent0929863aff433d1e87ad6cd03d72f2909fa25573 (diff)
scripts/dtc: Update to upstream version v1.4.3
Using the update-dtc-source.sh script from Linux v4.14-rc1 import the portions of dtc that we require. We bring in update-dtc-source.sh and scripts/dtc/Makefile from Linux v4.14-rc1. Rework DTC_FLAGS handling to not require a test. Signed-off-by: Tom Rini <trini@konsulko.com>
Diffstat (limited to 'scripts/dtc/dtc.h')
-rw-r--r--scripts/dtc/dtc.h285
1 files changed, 285 insertions, 0 deletions
diff --git a/scripts/dtc/dtc.h b/scripts/dtc/dtc.h
new file mode 100644
index 0000000000..1ac2a1e3a4
--- /dev/null
+++ b/scripts/dtc/dtc.h
@@ -0,0 +1,285 @@
+#ifndef _DTC_H
+#define _DTC_H
+
+/*
+ * (C) Copyright David Gibson <dwg@au1.ibm.com>, IBM Corporation. 2005.
+ *
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ * USA
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <stdbool.h>
+#include <stdarg.h>
+#include <assert.h>
+#include <ctype.h>
+#include <errno.h>
+#include <unistd.h>
+
+#include <libfdt_env.h>
+#include <fdt.h>
+
+#include "util.h"
+
+#ifdef DEBUG
+#define debug(...) printf(__VA_ARGS__)
+#else
+#define debug(...)
+#endif
+
+
+#define DEFAULT_FDT_VERSION 17
+
+/*
+ * Command line options
+ */
+extern int quiet; /* Level of quietness */
+extern int reservenum; /* Number of memory reservation slots */
+extern int minsize; /* Minimum blob size */
+extern int padsize; /* Additional padding to blob */
+extern int alignsize; /* Additional padding to blob accroding to the alignsize */
+extern int phandle_format; /* Use linux,phandle or phandle properties */
+extern int generate_symbols; /* generate symbols for nodes with labels */
+extern int generate_fixups; /* generate fixups */
+extern int auto_label_aliases; /* auto generate labels -> aliases */
+
+#define PHANDLE_LEGACY 0x1
+#define PHANDLE_EPAPR 0x2
+#define PHANDLE_BOTH 0x3
+
+typedef uint32_t cell_t;
+
+
+#define streq(a, b) (strcmp((a), (b)) == 0)
+#define strneq(a, b, n) (strncmp((a), (b), (n)) == 0)
+
+#define ALIGN(x, a) (((x) + (a) - 1) & ~((a) - 1))
+
+/* Data blobs */
+enum markertype {
+ REF_PHANDLE,
+ REF_PATH,
+ LABEL,
+};
+
+struct marker {
+ enum markertype type;
+ int offset;
+ char *ref;
+ struct marker *next;
+};
+
+struct data {
+ int len;
+ char *val;
+ struct marker *markers;
+};
+
+
+#define empty_data ((struct data){ 0 /* all .members = 0 or NULL */ })
+
+#define for_each_marker(m) \
+ for (; (m); (m) = (m)->next)
+#define for_each_marker_of_type(m, t) \
+ for_each_marker(m) \
+ if ((m)->type == (t))
+
+void data_free(struct data d);
+
+struct data data_grow_for(struct data d, int xlen);
+
+struct data data_copy_mem(const char *mem, int len);
+struct data data_copy_escape_string(const char *s, int len);
+struct data data_copy_file(FILE *f, size_t len);
+
+struct data data_append_data(struct data d, const void *p, int len);
+struct data data_insert_at_marker(struct data d, struct marker *m,
+ const void *p, int len);
+struct data data_merge(struct data d1, struct data d2);
+struct data data_append_cell(struct data d, cell_t word);
+struct data data_append_integer(struct data d, uint64_t word, int bits);
+struct data data_append_re(struct data d, const struct fdt_reserve_entry *re);
+struct data data_append_addr(struct data d, uint64_t addr);
+struct data data_append_byte(struct data d, uint8_t byte);
+struct data data_append_zeroes(struct data d, int len);
+struct data data_append_align(struct data d, int align);
+
+struct data data_add_marker(struct data d, enum markertype type, char *ref);
+
+bool data_is_one_string(struct data d);
+
+/* DT constraints */
+
+#define MAX_PROPNAME_LEN 31
+#define MAX_NODENAME_LEN 31
+
+/* Live trees */
+struct label {
+ bool deleted;
+ char *label;
+ struct label *next;
+};
+
+struct property {
+ bool deleted;
+ char *name;
+ struct data val;
+
+ struct property *next;
+
+ struct label *labels;
+};
+
+struct node {
+ bool deleted;
+ char *name;
+ struct property *proplist;
+ struct node *children;
+
+ struct node *parent;
+ struct node *next_sibling;
+
+ char *fullpath;
+ int basenamelen;
+
+ cell_t phandle;
+ int addr_cells, size_cells;
+
+ struct label *labels;
+};
+
+#define for_each_label_withdel(l0, l) \
+ for ((l) = (l0); (l); (l) = (l)->next)
+
+#define for_each_label(l0, l) \
+ for_each_label_withdel(l0, l) \
+ if (!(l)->deleted)
+
+#define for_each_property_withdel(n, p) \
+ for ((p) = (n)->proplist; (p); (p) = (p)->next)
+
+#define for_each_property(n, p) \
+ for_each_property_withdel(n, p) \
+ if (!(p)->deleted)
+
+#define for_each_child_withdel(n, c) \
+ for ((c) = (n)->children; (c); (c) = (c)->next_sibling)
+
+#define for_each_child(n, c) \
+ for_each_child_withdel(n, c) \
+ if (!(c)->deleted)
+
+void add_label(struct label **labels, char *label);
+void delete_labels(struct label **labels);
+
+struct property *build_property(char *name, struct data val);
+struct property *build_property_delete(char *name);
+struct property *chain_property(struct property *first, struct property *list);
+struct property *reverse_properties(struct property *first);
+
+struct node *build_node(struct property *proplist, struct node *children);
+struct node *build_node_delete(void);
+struct node *name_node(struct node *node, char *name);
+struct node *chain_node(struct node *first, struct node *list);
+struct node *merge_nodes(struct node *old_node, struct node *new_node);
+
+void add_property(struct node *node, struct property *prop);
+void delete_property_by_name(struct node *node, char *name);
+void delete_property(struct property *prop);
+void add_child(struct node *parent, struct node *child);
+void delete_node_by_name(struct node *parent, char *name);
+void delete_node(struct node *node);
+void append_to_property(struct node *node,
+ char *name, const void *data, int len);
+
+const char *get_unitname(struct node *node);
+struct property *get_property(struct node *node, const char *propname);
+cell_t propval_cell(struct property *prop);
+struct property *get_property_by_label(struct node *tree, const char *label,
+ struct node **node);
+struct marker *get_marker_label(struct node *tree, const char *label,
+ struct node **node, struct property **prop);
+struct node *get_subnode(struct node *node, const char *nodename);
+struct node *get_node_by_path(struct node *tree, const char *path);
+struct node *get_node_by_label(struct node *tree, const char *label);
+struct node *get_node_by_phandle(struct node *tree, cell_t phandle);
+struct node *get_node_by_ref(struct node *tree, const char *ref);
+cell_t get_node_phandle(struct node *root, struct node *node);
+
+uint32_t guess_boot_cpuid(struct node *tree);
+
+/* Boot info (tree plus memreserve information */
+
+struct reserve_info {
+ struct fdt_reserve_entry re;
+
+ struct reserve_info *next;
+
+ struct label *labels;
+};
+
+struct reserve_info *build_reserve_entry(uint64_t start, uint64_t len);
+struct reserve_info *chain_reserve_entry(struct reserve_info *first,
+ struct reserve_info *list);
+struct reserve_info *add_reserve_entry(struct reserve_info *list,
+ struct reserve_info *new);
+
+
+struct dt_info {
+ unsigned int dtsflags;
+ struct reserve_info *reservelist;
+ uint32_t boot_cpuid_phys;
+ struct node *dt; /* the device tree */
+ const char *outname; /* filename being written to, "-" for stdout */
+};
+
+/* DTS version flags definitions */
+#define DTSF_V1 0x0001 /* /dts-v1/ */
+#define DTSF_PLUGIN 0x0002 /* /plugin/ */
+
+struct dt_info *build_dt_info(unsigned int dtsflags,
+ struct reserve_info *reservelist,
+ struct node *tree, uint32_t boot_cpuid_phys);
+void sort_tree(struct dt_info *dti);
+void generate_label_tree(struct dt_info *dti, char *name, bool allocph);
+void generate_fixups_tree(struct dt_info *dti, char *name);
+void generate_local_fixups_tree(struct dt_info *dti, char *name);
+
+/* Checks */
+
+void parse_checks_option(bool warn, bool error, const char *arg);
+void process_checks(bool force, struct dt_info *dti);
+
+/* Flattened trees */
+
+void dt_to_blob(FILE *f, struct dt_info *dti, int version);
+void dt_to_asm(FILE *f, struct dt_info *dti, int version);
+
+struct dt_info *dt_from_blob(const char *fname);
+
+/* Tree source */
+
+void dt_to_source(FILE *f, struct dt_info *dti);
+struct dt_info *dt_from_source(const char *f);
+
+/* FS trees */
+
+struct dt_info *dt_from_fs(const char *dirname);
+
+#endif /* _DTC_H */