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authorKyle Evans <kevans@FreeBSD.org>2019-05-24 02:10:16 +0000
committerKyle Evans <kevans@FreeBSD.org>2019-05-24 02:10:16 +0000
commit82706df85234185453be8156e6269787fbfa8aff (patch)
tree9f30867784ff4b059cb38a6ea78716d2e0775165
parentaa7bcf5ec65a3f4d0c68e4a08b736f1face35c60 (diff)
downloadsrc-vendor/libfdt.tar.gz
src-vendor/libfdt.zip
Import libfdt from dtc 1.5.0vendor/libfdt/1.5.0vendor/libfdt
Notes
Notes: svn path=/vendor-sys/libfdt/dist/; revision=348220 svn path=/vendor-sys/libfdt/1.5.0/; revision=348221; tag=vendor/libfdt/1.5.0
-rw-r--r--Makefile.libfdt4
-rw-r--r--fdt_addresses.c16
-rw-r--r--libfdt.h30
3 files changed, 36 insertions, 14 deletions
diff --git a/Makefile.libfdt b/Makefile.libfdt
index 098b3f36e668..3af3656df801 100644
--- a/Makefile.libfdt
+++ b/Makefile.libfdt
@@ -9,3 +9,7 @@ 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 \
fdt_addresses.c fdt_overlay.c
LIBFDT_OBJS = $(LIBFDT_SRCS:%.c=%.o)
+
+libfdt_clean:
+ @$(VECHO) CLEAN "(libfdt)"
+ rm -f $(STD_CLEANFILES:%=$(LIBFDT_dir)/%)
diff --git a/fdt_addresses.c b/fdt_addresses.c
index 49537b578d03..f13a87dfa068 100644
--- a/fdt_addresses.c
+++ b/fdt_addresses.c
@@ -64,7 +64,7 @@ static int fdt_cells(const void *fdt, int nodeoffset, const char *name)
c = fdt_getprop(fdt, nodeoffset, name, &len);
if (!c)
- return 2;
+ return len;
if (len != sizeof(*c))
return -FDT_ERR_BADNCELLS;
@@ -78,10 +78,20 @@ static int fdt_cells(const void *fdt, int nodeoffset, const char *name)
int fdt_address_cells(const void *fdt, int nodeoffset)
{
- return fdt_cells(fdt, nodeoffset, "#address-cells");
+ int val;
+
+ val = fdt_cells(fdt, nodeoffset, "#address-cells");
+ if (val == -FDT_ERR_NOTFOUND)
+ return 2;
+ return val;
}
int fdt_size_cells(const void *fdt, int nodeoffset)
{
- return fdt_cells(fdt, nodeoffset, "#size-cells");
+ int val;
+
+ val = fdt_cells(fdt, nodeoffset, "#size-cells");
+ if (val == -FDT_ERR_NOTFOUND)
+ return 1;
+ return val;
}
diff --git a/libfdt.h b/libfdt.h
index 830b77e4be9b..a470d1df6d2a 100644
--- a/libfdt.h
+++ b/libfdt.h
@@ -163,18 +163,26 @@ uint32_t fdt_next_tag(const void *fdt, int offset, int *nextoffset);
static inline uint32_t fdt32_ld(const fdt32_t *p)
{
- fdt32_t v;
+ const uint8_t *bp = (const uint8_t *)p;
- memcpy(&v, p, sizeof(v));
- return fdt32_to_cpu(v);
+ return ((uint32_t)bp[0] << 24)
+ | ((uint32_t)bp[1] << 16)
+ | ((uint32_t)bp[2] << 8)
+ | bp[3];
}
static inline uint64_t fdt64_ld(const fdt64_t *p)
{
- fdt64_t v;
-
- memcpy(&v, p, sizeof(v));
- return fdt64_to_cpu(v);
+ const uint8_t *bp = (const uint8_t *)p;
+
+ return ((uint64_t)bp[0] << 56)
+ | ((uint64_t)bp[1] << 48)
+ | ((uint64_t)bp[2] << 40)
+ | ((uint64_t)bp[3] << 32)
+ | ((uint64_t)bp[4] << 24)
+ | ((uint64_t)bp[5] << 16)
+ | ((uint64_t)bp[6] << 8)
+ | bp[7];
}
/**********************************************************************/
@@ -219,7 +227,7 @@ int fdt_next_subnode(const void *fdt, int offset);
* ...
* }
*
- * if ((node < 0) && (node != -FDT_ERR_NOT_FOUND)) {
+ * if ((node < 0) && (node != -FDT_ERR_NOTFOUND)) {
* Error handling
* }
*
@@ -558,7 +566,7 @@ int fdt_next_property_offset(const void *fdt, int offset);
* ...
* }
*
- * if ((property < 0) && (property != -FDT_ERR_NOT_FOUND)) {
+ * if ((property < 0) && (property != -FDT_ERR_NOTFOUND)) {
* Error handling
* }
*
@@ -661,7 +669,7 @@ static inline struct fdt_property *fdt_get_property_w(void *fdt, int nodeoffset,
/**
* fdt_getprop_by_offset - retrieve the value of a property at a given offset
* @fdt: pointer to the device tree blob
- * @ffset: offset of the property to read
+ * @offset: offset of the property to read
* @namep: pointer to a string variable (will be overwritten) or NULL
* @lenp: pointer to an integer variable (will be overwritten) or NULL
*
@@ -1145,7 +1153,7 @@ int fdt_address_cells(const void *fdt, int nodeoffset);
*
* returns:
* 0 <= n < FDT_MAX_NCELLS, on success
- * 2, if the node has no #size-cells property
+ * 1, if the node has no #size-cells property
* -FDT_ERR_BADNCELLS, if the node has a badly formatted or invalid
* #size-cells property
* -FDT_ERR_BADMAGIC,