Commit becfc3c8 authored by Grant Likely's avatar Grant Likely

Merge remote-tracking branch 'robh/for-next' into devicetree/next

parents ce32f859 0b34c1a4
File mode changed from 100755 to 100644
......@@ -211,3 +211,4 @@ xillybus Xillybus Ltd.
xlnx Xilinx
zyxel ZyXEL Communications Corp.
zarlink Zarlink Semiconductor
zii Zodiac Inflight Innovations
......@@ -5,6 +5,10 @@
#include <linux/string.h>
#include <asm/byteorder.h>
typedef __be16 fdt16_t;
typedef __be32 fdt32_t;
typedef __be64 fdt64_t;
#define fdt16_to_cpu(x) be16_to_cpu(x)
#define cpu_to_fdt16(x) cpu_to_be16(x)
#define fdt32_to_cpu(x) be32_to_cpu(x)
......
......@@ -9,9 +9,6 @@
# Copyright (C) 2005-2009 Cavium Networks
#
CFLAGS_octeon-platform.o = -I$(src)/../../../scripts/dtc/libfdt
CFLAGS_setup.o = -I$(src)/../../../scripts/dtc/libfdt
obj-y := cpu.o setup.o octeon-platform.o octeon-irq.o csrc-octeon.o
obj-y += dma-octeon.o
obj-y += octeon-memcpy.o
......
......@@ -11,7 +11,7 @@
#ifndef __ASM_PROM_H
#define __ASM_PROM_H
#ifdef CONFIG_OF
#ifdef CONFIG_USE_OF
#include <linux/bug.h>
#include <linux/io.h>
#include <linux/types.h>
......
......@@ -18,6 +18,7 @@
#include <linux/of_fdt.h>
#include <linux/of_platform.h>
#include <asm/bootinfo.h>
#include <asm/page.h>
#include <asm/prom.h>
......
......@@ -15,5 +15,3 @@ obj-y := sead3-lcd.o sead3-display.o sead3-init.o \
obj-y += leds-sead3.o
obj-$(CONFIG_EARLY_PRINTK) += sead3-console.o
CFLAGS_sead3-setup.o = -I$(src)/../../../scripts/dtc/libfdt
......@@ -10,6 +10,10 @@ typedef u32 uint32_t;
typedef u64 uint64_t;
typedef unsigned long uintptr_t;
typedef __be16 fdt16_t;
typedef __be32 fdt32_t;
typedef __be64 fdt64_t;
#define fdt16_to_cpu(x) be16_to_cpu(x)
#define cpu_to_fdt16(x) cpu_to_be16(x)
#define fdt32_to_cpu(x) be32_to_cpu(x)
......
......@@ -21,7 +21,9 @@ int of_setprop(const void *phandle, const char *name, const void *buf,
/* Console functions */
void of_console_init(void);
typedef u16 __be16;
typedef u32 __be32;
typedef u64 __be64;
#ifdef __LITTLE_ENDIAN__
#define cpu_to_be16(x) swab16(x)
......
......@@ -2,7 +2,6 @@
# Makefile for the linux kernel.
#
CFLAGS_prom.o = -I$(src)/../../../scripts/dtc/libfdt
CFLAGS_ptrace.o += -DUTS_MACHINE='"$(UTS_MACHINE)"'
subdir-ccflags-$(CONFIG_PPC_WERROR) := -Werror
......
......@@ -24,8 +24,6 @@ KASAN_SANITIZE := n
lib-y := efi-stub-helper.o
lib-$(CONFIG_EFI_ARMSTUB) += arm-stub.o fdt.o
CFLAGS_fdt.o += -I$(srctree)/scripts/dtc/libfdt/
#
# arm64 puts the stub in the kernel proper, which will unnecessarily retain all
# code indefinitely unless it is annotated as __init/__initdata/__initconst etc.
......
config DTC
bool
config OF
bool
menuconfig OF
bool "Device Tree and Open Firmware support"
help
This option enables the device tree infrastructure.
It is automatically selected by platforms that need it or can
be enabled manually for unittests, overlays or
compile-coverage.
menu "Device Tree and Open Firmware support"
depends on OF
if OF
config OF_UNITTEST
bool "Device Tree runtime unit tests"
depends on OF_IRQ && OF_EARLY_FLATTREE
depends on OF_IRQ
select OF_EARLY_FLATTREE
select OF_RESOLVE
help
This option builds in test cases for the device tree infrastructure
......@@ -97,4 +102,4 @@ config OF_OVERLAY
While this option is selected automatically when needed, you can
enable it manually to improve device tree unit test coverage.
endmenu # OF
endif # OF
......@@ -16,6 +16,3 @@ obj-$(CONFIG_OF_RESOLVE) += resolver.o
obj-$(CONFIG_OF_OVERLAY) += overlay.o
obj-$(CONFIG_OF_UNITTEST) += unittest-data/
CFLAGS_fdt.o = -I$(src)/../../scripts/dtc/libfdt
CFLAGS_fdt_address.o = -I$(src)/../../scripts/dtc/libfdt
......@@ -712,7 +712,7 @@ int __weak pci_register_io_range(phys_addr_t addr, resource_size_t size)
}
/* add the range to the list */
range = kzalloc(sizeof(*range), GFP_KERNEL);
range = kzalloc(sizeof(*range), GFP_ATOMIC);
if (!range) {
err = -ENOMEM;
goto end_register;
......
......@@ -163,6 +163,18 @@ void of_device_unregister(struct platform_device *ofdev)
}
EXPORT_SYMBOL(of_device_unregister);
const void *of_device_get_match_data(const struct device *dev)
{
const struct of_device_id *match;
match = of_match_device(dev->driver->of_match_table, dev);
if (!match)
return NULL;
return match->data;
}
EXPORT_SYMBOL(of_device_get_match_data);
ssize_t of_device_get_modalias(struct device *dev, char *str, ssize_t len)
{
const char *compat;
......
......@@ -171,7 +171,7 @@ static void *unflatten_dt_alloc(void **mem, unsigned long size,
* @dryrun: If true, do not allocate device nodes but still calculate needed
* memory size
*/
static void * unflatten_dt_node(void *blob,
static void * unflatten_dt_node(const void *blob,
void *mem,
int *poffset,
struct device_node *dad,
......@@ -381,7 +381,7 @@ static void * unflatten_dt_node(void *blob,
* @dt_alloc: An allocator that provides a virtual address to memory
* for the resulting tree
*/
static void __unflatten_device_tree(void *blob,
static void __unflatten_device_tree(const void *blob,
struct device_node **mynodes,
void * (*dt_alloc)(u64 size, u64 align))
{
......@@ -444,7 +444,7 @@ static void *kernel_tree_alloc(u64 size, u64 align)
* pointers of the nodes so the normal device-tree walking functions
* can be used.
*/
void of_fdt_unflatten_tree(unsigned long *blob,
void of_fdt_unflatten_tree(const unsigned long *blob,
struct device_node **mynodes)
{
__unflatten_device_tree(blob, mynodes, &kernel_tree_alloc);
......@@ -1018,6 +1018,11 @@ void * __init __weak early_init_dt_alloc_memory_arch(u64 size, u64 align)
return __va(memblock_alloc(size, align));
}
#else
void __init __weak early_init_dt_add_memory_arch(u64 base, u64 size)
{
WARN_ON(1);
}
int __init __weak early_init_dt_reserve_memory_arch(phys_addr_t base,
phys_addr_t size, bool nomap)
{
......@@ -1025,6 +1030,12 @@ int __init __weak early_init_dt_reserve_memory_arch(phys_addr_t base,
&base, &size, nomap ? " (nomap)" : "");
return -ENOSYS;
}
void * __init __weak early_init_dt_alloc_memory_arch(u64 size, u64 align)
{
WARN_ON(1);
return NULL;
}
#endif
bool __init early_init_dt_verify(void *params)
......
......@@ -333,7 +333,7 @@ static DEFINE_IDR(ov_idr);
* of the overlay in a list. This list can be used to prevent
* illegal overlay removals.
*
* Returns the id of the created overlay, or an negative error number
* Returns the id of the created overlay, or a negative error number
*/
int of_overlay_create(struct device_node *tree)
{
......@@ -481,7 +481,7 @@ static int overlay_removal_is_ok(struct of_overlay *ov)
*
* Removes an overlay if it is permissible.
*
* Returns 0 on success, or an negative error number
* Returns 0 on success, or a negative error number
*/
int of_overlay_destroy(int id)
{
......@@ -528,7 +528,7 @@ EXPORT_SYMBOL_GPL(of_overlay_destroy);
*
* Removes all overlays from the system in the correct order.
*
* Returns 0 on success, or an negative error number
* Returns 0 on success, or a negative error number
*/
int of_overlay_destroy_all(void)
{
......
......@@ -5,6 +5,10 @@
#include <asm/byteorder.h>
typedef __be16 fdt16_t;
typedef __be32 fdt32_t;
typedef __be64 fdt64_t;
#define fdt32_to_cpu(x) be32_to_cpu(x)
#define cpu_to_fdt32(x) cpu_to_be32(x)
#define fdt64_to_cpu(x) be64_to_cpu(x)
......
......@@ -120,6 +120,12 @@ extern struct device_node *of_aliases;
extern struct device_node *of_stdout;
extern raw_spinlock_t devtree_lock;
/* flag descriptions (need to be visible even when !CONFIG_OF) */
#define OF_DYNAMIC 1 /* node and properties were allocated via kmalloc */
#define OF_DETACHED 2 /* node has been detached from the device tree */
#define OF_POPULATED 3 /* device already created for the node */
#define OF_POPULATED_BUS 4 /* of_platform_populate recursed to children of this node */
#ifdef CONFIG_OF
static inline bool is_of_node(struct fwnode_handle *fwnode)
{
......@@ -217,12 +223,6 @@ static inline unsigned long of_read_ulong(const __be32 *cell, int size)
#define of_node_cmp(s1, s2) strcasecmp((s1), (s2))
#endif
/* flag descriptions */
#define OF_DYNAMIC 1 /* node and properties were allocated via kmalloc */
#define OF_DETACHED 2 /* node has been detached from the device tree */
#define OF_POPULATED 3 /* device already created for the node */
#define OF_POPULATED_BUS 4 /* of_platform_populate recursed to children of this node */
#define OF_IS_DYNAMIC(x) test_bit(OF_DYNAMIC, &x->_flags)
#define OF_MARK_DYNAMIC(x) set_bit(OF_DYNAMIC, &x->_flags)
......@@ -422,6 +422,11 @@ static inline struct device_node *of_find_node_opts_by_path(const char *path,
return NULL;
}
static inline struct device_node *of_find_node_by_phandle(phandle handle)
{
return NULL;
}
static inline struct device_node *of_get_parent(const struct device_node *node)
{
return NULL;
......@@ -818,7 +823,7 @@ static inline int of_property_read_string_index(struct device_node *np,
* @propname: name of the property to be searched.
*
* Search for a property in a device node.
* Returns true if the property exist false otherwise.
* Returns true if the property exists false otherwise.
*/
static inline bool of_property_read_bool(const struct device_node *np,
const char *propname)
......
......@@ -33,6 +33,8 @@ extern int of_device_add(struct platform_device *pdev);
extern int of_device_register(struct platform_device *ofdev);
extern void of_device_unregister(struct platform_device *ofdev);
extern const void *of_device_get_match_data(const struct device *dev);
extern ssize_t of_device_get_modalias(struct device *dev,
char *str, ssize_t len);
......@@ -65,6 +67,11 @@ static inline int of_driver_match_device(struct device *dev,
static inline void of_device_uevent(struct device *dev,
struct kobj_uevent_env *env) { }
static inline const void *of_device_get_match_data(const struct device *dev)
{
return NULL;
}
static inline int of_device_get_modalias(struct device *dev,
char *str, ssize_t len)
{
......
......@@ -37,7 +37,7 @@ extern bool of_fdt_is_big_endian(const void *blob,
unsigned long node);
extern int of_fdt_match(const void *blob, unsigned long node,
const char *const *compat);
extern void of_fdt_unflatten_tree(unsigned long *blob,
extern void of_fdt_unflatten_tree(const unsigned long *blob,
struct device_node **mynodes);
/* TBD: Temporary export of fdt globals - remove when code fully merged */
......
......@@ -53,7 +53,7 @@ struct check {
void *data;
bool warn, error;
enum checkstatus status;
int inprogress;
bool inprogress;
int num_prereqs;
struct check **prereq;
};
......@@ -113,6 +113,7 @@ static inline void check_msg(struct check *c, const char *fmt, ...)
vfprintf(stderr, fmt, ap);
fprintf(stderr, "\n");
}
va_end(ap);
}
#define FAIL(c, ...) \
......@@ -141,9 +142,9 @@ static void check_nodes_props(struct check *c, struct node *dt, struct node *nod
check_nodes_props(c, dt, child);
}
static int run_check(struct check *c, struct node *dt)
static bool run_check(struct check *c, struct node *dt)
{
int error = 0;
bool error = false;
int i;
assert(!c->inprogress);
......@@ -151,11 +152,11 @@ static int run_check(struct check *c, struct node *dt)
if (c->status != UNCHECKED)
goto out;
c->inprogress = 1;
c->inprogress = true;
for (i = 0; i < c->num_prereqs; i++) {
struct check *prq = c->prereq[i];
error |= run_check(prq, dt);
error = error || run_check(prq, dt);
if (prq->status != PASSED) {
c->status = PREREQ;
check_msg(c, "Failed prerequisite '%s'",
......@@ -177,9 +178,9 @@ static int run_check(struct check *c, struct node *dt)
TRACE(c, "\tCompleted, status %d", c->status);
out:
c->inprogress = 0;
c->inprogress = false;
if ((c->status != PASSED) && (c->error))
error = 1;
error = true;
return error;
}
......@@ -624,11 +625,11 @@ static void check_avoid_default_addr_size(struct check *c, struct node *dt,
if (!reg && !ranges)
return;
if ((node->parent->addr_cells == -1))
if (node->parent->addr_cells == -1)
FAIL(c, "Relying on default #address-cells value for %s",
node->fullpath);
if ((node->parent->size_cells == -1))
if (node->parent->size_cells == -1)
FAIL(c, "Relying on default #size-cells value for %s",
node->fullpath);
}
......@@ -706,15 +707,15 @@ static void disable_warning_error(struct check *c, bool warn, bool error)
c->error = c->error && !error;
}
void parse_checks_option(bool warn, bool error, const char *optarg)
void parse_checks_option(bool warn, bool error, const char *arg)
{
int i;
const char *name = optarg;
const char *name = arg;
bool enable = true;
if ((strncmp(optarg, "no-", 3) == 0)
|| (strncmp(optarg, "no_", 3) == 0)) {
name = optarg + 3;
if ((strncmp(arg, "no-", 3) == 0)
|| (strncmp(arg, "no_", 3) == 0)) {
name = arg + 3;
enable = false;
}
......@@ -733,7 +734,7 @@ void parse_checks_option(bool warn, bool error, const char *optarg)
die("Unrecognized check name \"%s\"\n", name);
}
void process_checks(int force, struct boot_info *bi)
void process_checks(bool force, struct boot_info *bi)
{
struct node *dt = bi->dt;
int i;
......
......@@ -74,7 +74,7 @@ struct data data_copy_escape_string(const char *s, int len)
struct data d;
char *q;
d = data_grow_for(empty_data, strlen(s)+1);
d = data_grow_for(empty_data, len + 1);
q = d.val;
while (i < len) {
......@@ -250,20 +250,20 @@ struct data data_add_marker(struct data d, enum markertype type, char *ref)
return data_append_markers(d, m);
}
int data_is_one_string(struct data d)
bool data_is_one_string(struct data d)
{
int i;
int len = d.len;
if (len == 0)
return 0;
return false;
for (i = 0; i < len-1; i++)
if (d.val[i] == '\0')
return 0;
return false;
if (d.val[len-1] != '\0')
return 0;
return false;
return 1;
return true;
}
......@@ -20,7 +20,6 @@
%option noyywrap nounput noinput never-interactive
%x INCLUDE
%x BYTESTRING
%x PROPNODENAME
%s V1
......@@ -40,6 +39,7 @@ LINECOMMENT "//".*\n
#include "dtc-parser.tab.h"
YYLTYPE yylloc;
extern bool treesource_error;
/* CAUTION: this will stop working if we ever use yyless() or yyunput() */
#define YY_USER_ACTION \
......@@ -61,7 +61,8 @@ static int dts_version = 1;
BEGIN(V1); \
static void push_input_file(const char *filename);
static int pop_input_file(void);
static bool pop_input_file(void);
static void lexical_error(const char *fmt, ...);
%}
%%
......@@ -75,11 +76,11 @@ static int pop_input_file(void);
char *line, *tmp, *fn;
/* skip text before line # */
line = yytext;
while (!isdigit(*line))
while (!isdigit((unsigned char)*line))
line++;
/* skip digits in line # */
tmp = line;
while (!isspace(*tmp))
while (!isspace((unsigned char)*tmp))
tmp++;
/* "NULL"-terminate line # */
*tmp = '\0';
......@@ -146,15 +147,42 @@ static int pop_input_file(void);
}
<V1>([0-9]+|0[xX][0-9a-fA-F]+)(U|L|UL|LL|ULL)? {
yylval.literal = xstrdup(yytext);
DPRINT("Literal: '%s'\n", yylval.literal);
char *e;
DPRINT("Integer Literal: '%s'\n", yytext);
errno = 0;
yylval.integer = strtoull(yytext, &e, 0);
assert(!(*e) || !e[strspn(e, "UL")]);
if (errno == ERANGE)
lexical_error("Integer literal '%s' out of range",
yytext);
else
/* ERANGE is the only strtoull error triggerable
* by strings matching the pattern */
assert(errno == 0);
return DT_LITERAL;
}
<*>{CHAR_LITERAL} {
yytext[yyleng-1] = '\0';
yylval.literal = xstrdup(yytext+1);
DPRINT("Character literal: %s\n", yylval.literal);
struct data d;
DPRINT("Character literal: %s\n", yytext);
d = data_copy_escape_string(yytext+1, yyleng-2);
if (d.len == 1) {
lexical_error("Empty character literal");
yylval.integer = 0;
return DT_CHAR_LITERAL;
}
yylval.integer = (unsigned char)d.val[0];
if (d.len > 2)
lexical_error("Character literal has %d"
" characters instead of 1",
d.len - 1);
return DT_CHAR_LITERAL;
}
......@@ -164,7 +192,7 @@ static int pop_input_file(void);
return DT_REF;
}
<*>"&{/"{PATHCHAR}+\} { /* new-style path reference */
<*>"&{/"{PATHCHAR}*\} { /* new-style path reference */
yytext[yyleng-1] = '\0';
DPRINT("Ref: %s\n", yytext+2);
yylval.labelref = xstrdup(yytext+2);
......@@ -238,13 +266,24 @@ static void push_input_file(const char *filename)
}
static int pop_input_file(void)
static bool pop_input_file(void)
{
if (srcfile_pop() == 0)
return 0;
return false;
yypop_buffer_state();
yyin = current_srcfile->f;
return 1;
return true;
}
static void lexical_error(const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
srcpos_verror(&yylloc, "Lexical error", fmt, ap);
va_end(ap);
treesource_error = true;
}
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/* A Bison parser, made by GNU Bison 2.7.12-4996. */
/* A Bison parser, made by GNU Bison 3.0.2. */
/* Bison interface for Yacc-like parsers in C
Copyright (C) 1984, 1989-1990, 2000-2013 Free Software Foundation, Inc.
Copyright (C) 1984, 1989-1990, 2000-2013 Free Software Foundation, Inc.
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 3 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, see <http://www.gnu.org/licenses/>. */
......@@ -26,13 +26,13 @@
special exception, which will cause the skeleton and the resulting
Bison output files to be licensed under the GNU General Public
License without this special exception.
This special exception was added by the Free Software Foundation in
version 2.2 of Bison. */
#ifndef YY_YY_DTC_PARSER_TAB_H_INCLUDED
# define YY_YY_DTC_PARSER_TAB_H_INCLUDED
/* Enabling traces. */
/* Debug traces. */
#ifndef YYDEBUG
# define YYDEBUG 0
#endif
......@@ -40,48 +40,44 @@
extern int yydebug;
#endif
/* Tokens. */
/* Token type. */
#ifndef YYTOKENTYPE
# define YYTOKENTYPE
/* Put the tokens into the symbol table, so that GDB and other debuggers
know about them. */
enum yytokentype {
DT_V1 = 258,
DT_MEMRESERVE = 259,
DT_LSHIFT = 260,
DT_RSHIFT = 261,
DT_LE = 262,
DT_GE = 263,
DT_EQ = 264,
DT_NE = 265,
DT_AND = 266,
DT_OR = 267,
DT_BITS = 268,
DT_DEL_PROP = 269,
DT_DEL_NODE = 270,
DT_PROPNODENAME = 271,
DT_LITERAL = 272,
DT_CHAR_LITERAL = 273,
DT_BASE = 274,
DT_BYTE = 275,
DT_STRING = 276,
DT_LABEL = 277,
DT_REF = 278,
DT_INCBIN = 279
};
enum yytokentype
{
DT_V1 = 258,
DT_MEMRESERVE = 259,
DT_LSHIFT = 260,
DT_RSHIFT = 261,
DT_LE = 262,
DT_GE = 263,
DT_EQ = 264,
DT_NE = 265,
DT_AND = 266,
DT_OR = 267,
DT_BITS = 268,
DT_DEL_PROP = 269,
DT_DEL_NODE = 270,
DT_PROPNODENAME = 271,
DT_LITERAL = 272,
DT_CHAR_LITERAL = 273,
DT_BYTE = 274,
DT_STRING = 275,
DT_LABEL = 276,
DT_REF = 277,
DT_INCBIN = 278
};
#endif
/* Value type. */
#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED
typedef union YYSTYPE
typedef union YYSTYPE YYSTYPE;
union YYSTYPE
{
/* Line 2053 of yacc.c */
#line 40 "dtc-parser.y"
#line 38 "dtc-parser.y" /* yacc.c:1909 */
char *propnodename;
char *literal;
char *labelref;
unsigned int cbase;
uint8_t byte;
struct data data;
......@@ -97,29 +93,29 @@ typedef union YYSTYPE
struct reserve_info *re;
uint64_t integer;
/* Line 2053 of yacc.c */
#line 103 "dtc-parser.tab.h"
} YYSTYPE;
#line 97 "dtc-parser.tab.h" /* yacc.c:1909 */
};
# define YYSTYPE_IS_TRIVIAL 1
# define yystype YYSTYPE /* obsolescent; will be withdrawn */
# define YYSTYPE_IS_DECLARED 1
#endif
extern YYSTYPE yylval;
#ifdef YYPARSE_PARAM
#if defined __STDC__ || defined __cplusplus
int yyparse (void *YYPARSE_PARAM);
#else
int yyparse ();
/* Location type. */
#if ! defined YYLTYPE && ! defined YYLTYPE_IS_DECLARED
typedef struct YYLTYPE YYLTYPE;
struct YYLTYPE
{
int first_line;
int first_column;
int last_line;
int last_column;
};
# define YYLTYPE_IS_DECLARED 1
# define YYLTYPE_IS_TRIVIAL 1
#endif
#else /* ! YYPARSE_PARAM */
#if defined __STDC__ || defined __cplusplus
extern YYSTYPE yylval;
extern YYLTYPE yylloc;
int yyparse (void);
#else
int yyparse ();
#endif
#endif /* ! YYPARSE_PARAM */
#endif /* !YY_YY_DTC_PARSER_TAB_H_INCLUDED */
......@@ -17,31 +17,27 @@
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA
*/
%{
#include <stdio.h>
#include "dtc.h"
#include "srcpos.h"
YYLTYPE yylloc;
extern int yylex(void);
extern void print_error(char const *fmt, ...);
extern void yyerror(char const *s);
#define ERROR(loc, ...) \
do { \
srcpos_error((loc), "Error", __VA_ARGS__); \
treesource_error = true; \
} while (0)
extern struct boot_info *the_boot_info;
extern int treesource_error;
static unsigned long long eval_literal(const char *s, int base, int bits);
static unsigned char eval_char_literal(const char *s);
extern bool treesource_error;
%}
%union {
char *propnodename;
char *literal;
char *labelref;
unsigned int cbase;
uint8_t byte;
struct data data;
......@@ -65,9 +61,8 @@ static unsigned char eval_char_literal(const char *s);
%token DT_DEL_PROP
%token DT_DEL_NODE
%token <propnodename> DT_PROPNODENAME
%token <literal> DT_LITERAL
%token <literal> DT_CHAR_LITERAL
%token <cbase> DT_BASE
%token <integer> DT_LITERAL
%token <integer> DT_CHAR_LITERAL
%token <byte> DT_BYTE
%token <data> DT_STRING
%token <labelref> DT_LABEL
......@@ -145,6 +140,18 @@ devicetree:
{
$$ = merge_nodes($1, $3);
}
| devicetree DT_LABEL DT_REF nodedef
{
struct node *target = get_node_by_ref($1, $3);
add_label(&target->labels, $2);
if (target)
merge_nodes(target, $4);
else
ERROR(&@3, "Label or path %s not found", $3);
$$ = $1;
}
| devicetree DT_REF nodedef
{
struct node *target = get_node_by_ref($1, $2);
......@@ -152,17 +159,18 @@ devicetree:
if (target)
merge_nodes(target, $3);
else
print_error("label or path, '%s', not found", $2);
ERROR(&@2, "Label or path %s not found", $2);
$$ = $1;
}
| devicetree DT_DEL_NODE DT_REF ';'
{
struct node *target = get_node_by_ref($1, $3);
if (!target)
print_error("label or path, '%s', not found", $3);
else
if (target)
delete_node(target);
else
ERROR(&@3, "Label or path %s not found", $3);
$$ = $1;
}
......@@ -230,10 +238,9 @@ propdata:
if ($6 != 0)
if (fseek(f, $6, SEEK_SET) != 0)
print_error("Couldn't seek to offset %llu in \"%s\": %s",
(unsigned long long)$6,
$4.val,
strerror(errno));
die("Couldn't seek to offset %llu in \"%s\": %s",
(unsigned long long)$6, $4.val,
strerror(errno));
d = data_copy_file(f, $8);
......@@ -274,18 +281,19 @@ propdataprefix:
arrayprefix:
DT_BITS DT_LITERAL '<'
{
$$.data = empty_data;
$$.bits = eval_literal($2, 0, 7);
if (($$.bits != 8) &&
($$.bits != 16) &&
($$.bits != 32) &&
($$.bits != 64))
{
print_error("Only 8, 16, 32 and 64-bit elements"
" are currently supported");
$$.bits = 32;
unsigned long long bits;
bits = $2;
if ((bits != 8) && (bits != 16) &&
(bits != 32) && (bits != 64)) {
ERROR(&@2, "Array elements must be"
" 8, 16, 32 or 64-bits");
bits = 32;
}
$$.data = empty_data;
$$.bits = bits;
}
| '<'
{
......@@ -305,9 +313,8 @@ arrayprefix:
* mask), all bits are one.
*/
if (($2 > mask) && (($2 | mask) != -1ULL))
print_error(
"integer value out of range "
"%016lx (%d bits)", $1.bits);
ERROR(&@2, "Value out of range for"
" %d-bit array element", $1.bits);
}
$$.data = data_append_integer($1.data, $2, $1.bits);
......@@ -321,7 +328,7 @@ arrayprefix:
REF_PHANDLE,
$2);
else
print_error("References are only allowed in "
ERROR(&@2, "References are only allowed in "
"arrays with 32-bit elements.");
$$.data = data_append_integer($1.data, val, $1.bits);
......@@ -334,13 +341,7 @@ arrayprefix:
integer_prim:
DT_LITERAL
{
$$ = eval_literal($1, 0, 64);
}
| DT_CHAR_LITERAL
{
$$ = eval_char_literal($1);
}
| '(' integer_expr ')'
{
$$ = $2;
......@@ -447,7 +448,7 @@ subnodes:
}
| subnode propdef
{
print_error("syntax error: properties must precede subnodes");
ERROR(&@2, "Properties must precede subnodes");
YYERROR;
}
;
......@@ -470,63 +471,7 @@ subnode:
%%
void print_error(char const *fmt, ...)
{
va_list va;
va_start(va, fmt);
srcpos_verror(&yylloc, fmt, va);
va_end(va);
treesource_error = 1;
}
void yyerror(char const *s) {
print_error("%s", s);
}
static unsigned long long eval_literal(const char *s, int base, int bits)
{
unsigned long long val;
char *e;
errno = 0;
val = strtoull(s, &e, base);
if (*e) {
size_t uls = strspn(e, "UL");
if (e[uls])
print_error("bad characters in literal");
}
if ((errno == ERANGE)
|| ((bits < 64) && (val >= (1ULL << bits))))
print_error("literal out of range");
else if (errno != 0)
print_error("bad literal");
return val;
}
static unsigned char eval_char_literal(const char *s)
void yyerror(char const *s)
{
int i = 1;
char c = s[0];
if (c == '\0')
{
print_error("empty character literal");
return 0;
}
/*
* If the first character in the character literal is a \ then process
* the remaining characters as an escape encoding. If the first
* character is neither an escape or a terminator it should be the only
* character in the literal and will be returned.
*/
if (c == '\\')
c = get_escape_char(s, &i);
if (s[i] != '\0')
print_error("malformed character literal");
return c;
ERROR(&yylloc, "%s", s);
}
......@@ -48,6 +48,8 @@ static void fill_fullpaths(struct node *tree, const char *prefix)
}
/* Usage related data. */
#define FDT_VERSION(version) _FDT_VERSION(version)
#define _FDT_VERSION(version) #version
static const char usage_synopsis[] = "dtc [options] <input file>";
static const char usage_short_opts[] = "qI:O:o:V:d:R:S:p:fb:i:H:sW:E:hv";
static struct option const usage_long_opts[] = {
......@@ -82,9 +84,9 @@ static const char * const usage_opts_help[] = {
"\t\tdts - device tree source text\n"
"\t\tdtb - device tree blob\n"
"\t\tasm - assembler source",
"\n\tBlob version to produce, defaults to %d (for dtb and asm output)", //, DEFAULT_FDT_VERSION);
"\n\tBlob version to produce, defaults to "FDT_VERSION(DEFAULT_FDT_VERSION)" (for dtb and asm output)",
"\n\tOutput dependency file",
"\n\ttMake space for <number> reserve map entries (for dtb and asm output)",
"\n\tMake space for <number> reserve map entries (for dtb and asm output)",
"\n\tMake the blob at least <bytes> long (extra space)",
"\n\tAdd padding to the blob of <bytes> long (extra space)",
"\n\tSet the physical boot cpu",
......@@ -109,7 +111,7 @@ int main(int argc, char *argv[])
const char *outform = "dts";
const char *outname = "-";
const char *depname = NULL;
int force = 0, sort = 0;
bool force = false, sort = false;
const char *arg;
int opt;
FILE *outf = NULL;
......@@ -148,7 +150,7 @@ int main(int argc, char *argv[])
padsize = strtol(optarg, NULL, 0);
break;
case 'f':
force = 1;
force = true;
break;
case 'q':
quiet++;
......@@ -174,7 +176,7 @@ int main(int argc, char *argv[])
break;
case 's':
sort = 1;
sort = true;
break;
case 'W':
......@@ -237,7 +239,7 @@ int main(int argc, char *argv[])
if (streq(outname, "-")) {
outf = stdout;
} else {
outf = fopen(outname, "w");
outf = fopen(outname, "wb");
if (! outf)
die("Couldn't open output file %s: %s\n",
outname, strerror(errno));
......
......@@ -38,9 +38,9 @@
#include "util.h"
#ifdef DEBUG
#define debug(fmt,args...) printf(fmt, ##args)
#define debug(...) printf(__VA_ARGS__)
#else
#define debug(fmt,args...)
#define debug(...)
#endif
......@@ -88,7 +88,7 @@ struct data {
};
#define empty_data ((struct data){ /* all .members = 0 or NULL */ })
#define empty_data ((struct data){ 0 /* all .members = 0 or NULL */ })
#define for_each_marker(m) \
for (; (m); (m) = (m)->next)
......@@ -118,7 +118,7 @@ struct data data_append_align(struct data d, int align);
struct data data_add_marker(struct data d, enum markertype type, char *ref);
int data_is_one_string(struct data d);
bool data_is_one_string(struct data d);
/* DT constraints */
......@@ -127,13 +127,13 @@ int data_is_one_string(struct data d);
/* Live trees */
struct label {
int deleted;
bool deleted;
char *label;
struct label *next;
};
struct property {
int deleted;
bool deleted;
char *name;
struct data val;
......@@ -143,7 +143,7 @@ struct property {
};
struct node {
int deleted;
bool deleted;
char *name;
struct property *proplist;
struct node *children;
......@@ -247,8 +247,8 @@ void sort_tree(struct boot_info *bi);
/* Checks */
void parse_checks_option(bool warn, bool error, const char *optarg);
void process_checks(int force, struct boot_info *bi);
void parse_checks_option(bool warn, bool error, const char *arg);
void process_checks(bool force, struct boot_info *bi);
/* Flattened trees */
......
......@@ -261,7 +261,7 @@ static void flatten_tree(struct node *tree, struct emitter *emit,
{
struct property *prop;
struct node *child;
int seen_name_prop = 0;
bool seen_name_prop = false;
if (tree->deleted)
return;
......@@ -279,7 +279,7 @@ static void flatten_tree(struct node *tree, struct emitter *emit,
int nameoff;
if (streq(prop->name, "name"))
seen_name_prop = 1;
seen_name_prop = true;
nameoff = stringtable_insert(strbuf, prop->name);
......
......@@ -37,26 +37,26 @@ static struct node *read_fstree(const char *dirname)
tree = build_node(NULL, NULL);
while ((de = readdir(d)) != NULL) {
char *tmpnam;
char *tmpname;
if (streq(de->d_name, ".")
|| streq(de->d_name, ".."))
continue;
tmpnam = join_path(dirname, de->d_name);
tmpname = join_path(dirname, de->d_name);
if (lstat(tmpnam, &st) < 0)
die("stat(%s): %s\n", tmpnam, strerror(errno));
if (lstat(tmpname, &st) < 0)
die("stat(%s): %s\n", tmpname, strerror(errno));
if (S_ISREG(st.st_mode)) {
struct property *prop;
FILE *pfile;
pfile = fopen(tmpnam, "r");
pfile = fopen(tmpname, "rb");
if (! pfile) {
fprintf(stderr,
"WARNING: Cannot open %s: %s\n",
tmpnam, strerror(errno));
tmpname, strerror(errno));
} else {
prop = build_property(xstrdup(de->d_name),
data_copy_file(pfile,
......@@ -67,12 +67,12 @@ static struct node *read_fstree(const char *dirname)
} else if (S_ISDIR(st.st_mode)) {
struct node *newchild;
newchild = read_fstree(tmpnam);
newchild = read_fstree(tmpname);
newchild = name_node(newchild, xstrdup(de->d_name));
add_child(tree, newchild);
}
free(tmpnam);
free(tmpname);
}
closedir(d);
......@@ -88,3 +88,4 @@ struct boot_info *dt_from_fs(const char *dirname)
return build_boot_info(NULL, tree, guess_boot_cpuid(tree));
}
......@@ -6,5 +6,6 @@
LIBFDT_soname = libfdt.$(SHAREDLIB_EXT).1
LIBFDT_INCLUDES = fdt.h libfdt.h libfdt_env.h
LIBFDT_VERSION = version.lds
LIBFDT_SRCS = fdt.c fdt_ro.c fdt_wip.c fdt_sw.c fdt_rw.c fdt_strerror.c fdt_empty_tree.c
LIBFDT_SRCS = fdt.c fdt_ro.c fdt_wip.c fdt_sw.c fdt_rw.c fdt_strerror.c fdt_empty_tree.c \
fdt_addresses.c
LIBFDT_OBJS = $(LIBFDT_SRCS:%.c=%.o)
......@@ -92,7 +92,7 @@ const void *fdt_offset_ptr(const void *fdt, int offset, unsigned int len)
uint32_t fdt_next_tag(const void *fdt, int startoffset, int *nextoffset)
{
const uint32_t *tagp, *lenp;
const fdt32_t *tagp, *lenp;
uint32_t tag;
int offset = startoffset;
const char *p;
......@@ -198,6 +198,34 @@ int fdt_next_node(const void *fdt, int offset, int *depth)
return offset;
}
int fdt_first_subnode(const void *fdt, int offset)
{
int depth = 0;
offset = fdt_next_node(fdt, offset, &depth);
if (offset < 0 || depth != 1)
return -FDT_ERR_NOTFOUND;
return offset;
}
int fdt_next_subnode(const void *fdt, int offset)
{
int depth = 1;
/*
* With respect to the parent, the depth of the next subnode will be
* the same as the last.
*/
do {
offset = fdt_next_node(fdt, offset, &depth);
if (offset < 0 || depth < 1)
return -FDT_ERR_NOTFOUND;
} while (depth > 1);
return offset;
}
const char *_fdt_find_string(const char *strtab, int tabsize, const char *s)
{
int len = strlen(s) + 1;
......
#ifndef _FDT_H
#define _FDT_H
/*
* libfdt - Flat Device Tree manipulation
* Copyright (C) 2006 David Gibson, IBM Corporation.
* Copyright 2012 Kim Phillips, Freescale Semiconductor.
*
* libfdt is dual licensed: you can use it either under the terms of
* the GPL, or the BSD license, at your option.
*
* a) This library 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 library 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 library; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
* MA 02110-1301 USA
*
* Alternatively,
*
* b) Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* 1. Redistributions of source code must retain the above
* copyright notice, this list of conditions and the following
* disclaimer.
* 2. Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef __ASSEMBLY__
struct fdt_header {
uint32_t magic; /* magic word FDT_MAGIC */
uint32_t totalsize; /* total size of DT block */
uint32_t off_dt_struct; /* offset to structure */
uint32_t off_dt_strings; /* offset to strings */
uint32_t off_mem_rsvmap; /* offset to memory reserve map */
uint32_t version; /* format version */
uint32_t last_comp_version; /* last compatible version */
fdt32_t magic; /* magic word FDT_MAGIC */
fdt32_t totalsize; /* total size of DT block */
fdt32_t off_dt_struct; /* offset to structure */
fdt32_t off_dt_strings; /* offset to strings */
fdt32_t off_mem_rsvmap; /* offset to memory reserve map */
fdt32_t version; /* format version */
fdt32_t last_comp_version; /* last compatible version */
/* version 2 fields below */
uint32_t boot_cpuid_phys; /* Which physical CPU id we're
fdt32_t boot_cpuid_phys; /* Which physical CPU id we're
booting on */
/* version 3 fields below */
uint32_t size_dt_strings; /* size of the strings block */
fdt32_t size_dt_strings; /* size of the strings block */
/* version 17 fields below */
uint32_t size_dt_struct; /* size of the structure block */
fdt32_t size_dt_struct; /* size of the structure block */
};
struct fdt_reserve_entry {
uint64_t address;
uint64_t size;
fdt64_t address;
fdt64_t size;
};
struct fdt_node_header {
uint32_t tag;
fdt32_t tag;
char name[0];
};
struct fdt_property {
uint32_t tag;
uint32_t len;
uint32_t nameoff;
fdt32_t tag;
fdt32_t len;
fdt32_t nameoff;
char data[0];
};
#endif /* !__ASSEMBLY */
#define FDT_MAGIC 0xd00dfeed /* 4: version, 4: total size */
#define FDT_TAGSIZE sizeof(uint32_t)
#define FDT_TAGSIZE sizeof(fdt32_t)
#define FDT_BEGIN_NODE 0x1 /* Start node: full name */
#define FDT_END_NODE 0x2 /* End node */
......@@ -51,10 +102,10 @@ struct fdt_property {
#define FDT_NOP 0x4 /* nop */
#define FDT_END 0x9
#define FDT_V1_SIZE (7*sizeof(uint32_t))
#define FDT_V2_SIZE (FDT_V1_SIZE + sizeof(uint32_t))
#define FDT_V3_SIZE (FDT_V2_SIZE + sizeof(uint32_t))
#define FDT_V1_SIZE (7*sizeof(fdt32_t))
#define FDT_V2_SIZE (FDT_V1_SIZE + sizeof(fdt32_t))
#define FDT_V3_SIZE (FDT_V2_SIZE + sizeof(fdt32_t))
#define FDT_V16_SIZE FDT_V3_SIZE
#define FDT_V17_SIZE (FDT_V16_SIZE + sizeof(uint32_t))
#define FDT_V17_SIZE (FDT_V16_SIZE + sizeof(fdt32_t))
#endif /* _FDT_H */
......@@ -81,3 +81,4 @@ int fdt_create_empty_tree(void *buf, int bufsize)
return fdt_open_into(buf, buf, bufsize);
}
......@@ -154,9 +154,9 @@ int fdt_subnode_offset(const void *fdt, int parentoffset,
return fdt_subnode_offset_namelen(fdt, parentoffset, name, strlen(name));
}
int fdt_path_offset(const void *fdt, const char *path)
int fdt_path_offset_namelen(const void *fdt, const char *path, int namelen)
{
const char *end = path + strlen(path);
const char *end = path + namelen;
const char *p = path;
int offset = 0;
......@@ -164,7 +164,7 @@ int fdt_path_offset(const void *fdt, const char *path)
/* see if we have an alias */
if (*path != '/') {
const char *q = strchr(path, '/');
const char *q = memchr(path, '/', end - p);
if (!q)
q = end;
......@@ -177,14 +177,15 @@ int fdt_path_offset(const void *fdt, const char *path)
p = q;
}
while (*p) {
while (p < end) {
const char *q;
while (*p == '/')
while (*p == '/') {
p++;
if (! *p)
return offset;
q = strchr(p, '/');
if (p == end)
return offset;
}
q = memchr(p, '/', end - p);
if (! q)
q = end;
......@@ -198,6 +199,11 @@ int fdt_path_offset(const void *fdt, const char *path)
return offset;
}
int fdt_path_offset(const void *fdt, const char *path)
{
return fdt_path_offset_namelen(fdt, path, strlen(path));
}
const char *fdt_get_name(const void *fdt, int nodeoffset, int *len)
{
const struct fdt_node_header *nh = _fdt_offset_ptr(fdt, nodeoffset);
......@@ -322,7 +328,7 @@ const void *fdt_getprop(const void *fdt, int nodeoffset,
uint32_t fdt_get_phandle(const void *fdt, int nodeoffset)
{
const uint32_t *php;
const fdt32_t *php;
int len;
/* FIXME: This is a bit sub-optimal, since we potentially scan
......@@ -515,8 +521,7 @@ int fdt_node_offset_by_phandle(const void *fdt, uint32_t phandle)
return offset; /* error from fdt_next_node() */
}
static int _fdt_stringlist_contains(const char *strlist, int listlen,
const char *str)
int fdt_stringlist_contains(const char *strlist, int listlen, const char *str)
{
int len = strlen(str);
const char *p;
......@@ -542,7 +547,7 @@ int fdt_node_check_compatible(const void *fdt, int nodeoffset,
prop = fdt_getprop(fdt, nodeoffset, "compatible", &len);
if (!prop)
return len;
if (_fdt_stringlist_contains(prop, len, compatible))
if (fdt_stringlist_contains(prop, len, compatible))
return 0;
else
return 1;
......
......@@ -84,9 +84,9 @@ static int _fdt_rw_check_header(void *fdt)
#define FDT_RW_CHECK_HEADER(fdt) \
{ \
int err; \
if ((err = _fdt_rw_check_header(fdt)) != 0) \
return err; \
int __err; \
if ((__err = _fdt_rw_check_header(fdt)) != 0) \
return __err; \
}
static inline int _fdt_data_size(void *fdt)
......@@ -339,7 +339,7 @@ int fdt_add_subnode_namelen(void *fdt, int parentoffset,
int nodelen;
int err;
uint32_t tag;
uint32_t *endtag;
fdt32_t *endtag;
FDT_RW_CHECK_HEADER(fdt);
......@@ -366,7 +366,7 @@ int fdt_add_subnode_namelen(void *fdt, int parentoffset,
nh->tag = cpu_to_fdt32(FDT_BEGIN_NODE);
memset(nh->name, 0, FDT_TAGALIGN(namelen+1));
memcpy(nh->name, name, namelen);
endtag = (uint32_t *)((char *)nh + nodelen - FDT_TAGSIZE);
endtag = (fdt32_t *)((char *)nh + nodelen - FDT_TAGSIZE);
*endtag = cpu_to_fdt32(FDT_END_NODE);
return offset;
......
......@@ -107,6 +107,38 @@ int fdt_create(void *buf, int bufsize)
return 0;
}
int fdt_resize(void *fdt, void *buf, int bufsize)
{
size_t headsize, tailsize;
char *oldtail, *newtail;
FDT_SW_CHECK_HEADER(fdt);
headsize = fdt_off_dt_struct(fdt);
tailsize = fdt_size_dt_strings(fdt);
if ((headsize + tailsize) > 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_off_dt_strings(buf, bufsize);
fdt_set_totalsize(buf, bufsize);
return 0;
}
int fdt_add_reservemap_entry(void *fdt, uint64_t addr, uint64_t size)
{
struct fdt_reserve_entry *re;
......@@ -153,7 +185,7 @@ int fdt_begin_node(void *fdt, const char *name)
int fdt_end_node(void *fdt)
{
uint32_t *en;
fdt32_t *en;
FDT_SW_CHECK_HEADER(fdt);
......@@ -213,7 +245,7 @@ int fdt_property(void *fdt, const char *name, const void *val, int len)
int fdt_finish(void *fdt)
{
char *p = (char *)fdt;
uint32_t *end;
fdt32_t *end;
int oldstroffset, newstroffset;
uint32_t tag;
int offset, nextoffset;
......
......@@ -74,7 +74,7 @@ int fdt_setprop_inplace(void *fdt, int nodeoffset, const char *name,
static void _fdt_nop_region(void *start, int len)
{
uint32_t *p;
fdt32_t *p;
for (p = start; (char *)p < ((char *)start + len); p++)
*p = cpu_to_fdt32(FDT_NOP);
......
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