修改内核路径

hc

2024-05-14 bedbef8ad3e75a304af6361af235302bcc61d06b

 kernel/scripts/dtc/dtc.h
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@@ -1,24 +1,9 @@
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+/* SPDX-License-Identifier: GPL-2.0-or-later */
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 #ifndef DTC_H
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 #define DTC_H
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 /*
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  * (C) Copyright David Gibson <dwg@au1.ibm.com>, IBM Corporation.  2005.
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- *
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- *
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- * This program is free software; you can redistribute it and/or
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- * modify it under the terms of the GNU General Public License as
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- * published by the Free Software Foundation; either version 2 of the
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- * License, or (at your option) any later version.
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- *
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- *  This program is distributed in the hope that it will be useful,
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- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
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- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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- *  General Public License for more details.
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- *
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- *  You should have received a copy of the GNU General Public License
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- *  along with this program; if not, write to the Free Software
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- *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
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- *                                                                   USA
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  */
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 #include <stdio.h>
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@@ -58,6 +43,7 @@
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 extern int generate_symbols;	/* generate symbols for nodes with labels */
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 extern int generate_fixups;	/* generate fixups */
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 extern int auto_label_aliases;	/* auto generate labels -> aliases */
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+extern int annotate;		/* annotate .dts with input source location */
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 #define PHANDLE_LEGACY	0x1
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 #define PHANDLE_EPAPR	0x2
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@@ -65,6 +51,37 @@
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51
 
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 typedef uint32_t cell_t;
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+static inline uint16_t dtb_ld16(const void *p)
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+{
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+	const uint8_t *bp = (const uint8_t *)p;
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+
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+	return ((uint16_t)bp[0] << 8)
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+		| bp[1];
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+}
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+
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+static inline uint32_t dtb_ld32(const void *p)
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+{
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+	const uint8_t *bp = (const uint8_t *)p;
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+
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+	return ((uint32_t)bp[0] << 24)
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+		| ((uint32_t)bp[1] << 16)
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+		| ((uint32_t)bp[2] << 8)
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+		| bp[3];
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+}
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+
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+static inline uint64_t dtb_ld64(const void *p)
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+{
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+	const uint8_t *bp = (const uint8_t *)p;
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+
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+	return ((uint64_t)bp[0] << 56)
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+		| ((uint64_t)bp[1] << 48)
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+		| ((uint64_t)bp[2] << 40)
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+		| ((uint64_t)bp[3] << 32)
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+		| ((uint64_t)bp[4] << 24)
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+		| ((uint64_t)bp[5] << 16)
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+		| ((uint64_t)bp[6] << 8)
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+		| bp[7];
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+}
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 #define streq(a, b)	(strcmp((a), (b)) == 0)
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 #define strstarts(s, prefix)	(strncmp((s), (prefix), strlen(prefix)) == 0)
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@@ -74,10 +91,17 @@
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 /* Data blobs */
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 enum markertype {
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+	TYPE_NONE,
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 	REF_PHANDLE,
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 	REF_PATH,
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 	LABEL,
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+	TYPE_UINT8,
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+	TYPE_UINT16,
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+	TYPE_UINT32,
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+	TYPE_UINT64,
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+	TYPE_STRING,
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 };
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+extern const char *markername(enum markertype markertype);
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 struct  marker {
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 	enum markertype type;
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@@ -100,6 +124,8 @@
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 #define for_each_marker_of_type(m, t) \
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 	for_each_marker(m) \
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 		if ((m)->type == (t))
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+
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+size_t type_marker_length(struct marker *m);
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 void data_free(struct data d);
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@@ -149,6 +175,7 @@
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 	struct property *next;
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 	struct label *labels;
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+	struct srcpos *srcpos;
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 };
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 struct node {
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@@ -168,6 +195,7 @@
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 	struct label *labels;
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 	const struct bus_type *bus;
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+	struct srcpos *srcpos;
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 	bool omit_if_unused, is_referenced;
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 };
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@@ -196,13 +224,15 @@
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 void add_label(struct label **labels, char *label);
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 void delete_labels(struct label **labels);
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-struct property *build_property(char *name, struct data val);
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+struct property *build_property(char *name, struct data val,
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+				struct srcpos *srcpos);
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 struct property *build_property_delete(char *name);
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 struct property *chain_property(struct property *first, struct property *list);
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 struct property *reverse_properties(struct property *first);
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-struct node *build_node(struct property *proplist, struct node *children);
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-struct node *build_node_delete(void);
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+struct node *build_node(struct property *proplist, struct node *children,
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+			struct srcpos *srcpos);
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+struct node *build_node_delete(struct srcpos *srcpos);
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 struct node *name_node(struct node *node, char *name);
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 struct node *omit_node_if_unused(struct node *node);
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 struct node *reference_node(struct node *node);
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@@ -217,7 +247,8 @@
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 void delete_node_by_name(struct node *parent, char *name);
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 void delete_node(struct node *node);
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 void append_to_property(struct node *node,
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-			char *name, const void *data, int len);
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+			char *name, const void *data, int len,
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+			enum markertype type);
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 const char *get_unitname(struct node *node);
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 struct property *get_property(struct node *node, const char *propname);
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@@ -290,6 +321,10 @@
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 void dt_to_source(FILE *f, struct dt_info *dti);
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 struct dt_info *dt_from_source(const char *f);
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+/* YAML source */
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+
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+void dt_to_yaml(FILE *f, struct dt_info *dti);
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+
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 /* FS trees */
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 struct dt_info *dt_from_fs(const char *dirname);