127 lines
5.5 KiB
Diff
127 lines
5.5 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Leif Lindholm <leif.lindholm@linaro.org>
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Date: Mon, 11 Jun 2018 17:24:58 +0100
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Subject: [PATCH] fdt: Move prop_entry_size to fdt.h
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To be able to resuse the prop_entry_size macro, move it to
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<grub/fdt.h> and rename it grub_fdt_prop_entry_size.
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Signed-off-by: Leif Lindholm <leif.lindholm@linaro.org>
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Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
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---
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grub-core/lib/fdt.c | 25 ++++++++++---------------
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include/grub/fdt.h | 5 +++++
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2 files changed, 15 insertions(+), 15 deletions(-)
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diff --git a/grub-core/lib/fdt.c b/grub-core/lib/fdt.c
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index 2705f2629b9..0d371c5633e 100644
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--- a/grub-core/lib/fdt.c
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+++ b/grub-core/lib/fdt.c
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@@ -41,11 +41,6 @@ GRUB_MOD_LICENSE ("GPLv3+");
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(2 * sizeof(grub_uint32_t) \
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+ ALIGN_UP (grub_strlen (name) + 1, sizeof(grub_uint32_t)))
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-/* Size needed by a property entry: 1 token (FDT_PROPERTY), plus len and nameoff
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- fields, plus the property value, plus padding if needed. */
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-#define prop_entry_size(prop_len) \
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- (3 * sizeof(grub_uint32_t) + ALIGN_UP(prop_len, sizeof(grub_uint32_t)))
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-
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#define SKIP_NODE_NAME(name, token, end) \
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name = (char *) ((token) + 1); \
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while (name < (char *) end) \
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@@ -86,7 +81,7 @@ static grub_uint32_t *get_next_node (const void *fdt, char *node_name)
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case FDT_PROP:
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/* Skip property token and following data (len, nameoff and property
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value). */
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- token += prop_entry_size(grub_be_to_cpu32(*(token + 1)))
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+ token += grub_fdt_prop_entry_size(grub_be_to_cpu32(*(token + 1)))
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/ sizeof(*token);
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break;
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case FDT_NOP:
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@@ -150,7 +145,7 @@ static int add_subnode (void *fdt, int parentoffset, const char *name)
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{
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case FDT_PROP:
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/* Skip len, nameoff and property value. */
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- token += prop_entry_size(grub_be_to_cpu32(*(token + 1)))
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+ token += grub_fdt_prop_entry_size(grub_be_to_cpu32(*(token + 1)))
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/ sizeof(*token);
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break;
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case FDT_BEGIN_NODE:
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@@ -249,12 +244,12 @@ static grub_uint32_t *find_prop (const void *fdt, unsigned int nodeoffset,
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&& !grub_strcmp (name, (char *) fdt +
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grub_fdt_get_off_dt_strings (fdt) + nameoff))
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{
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- if (prop + prop_entry_size(grub_be_to_cpu32(*(prop + 1)))
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+ if (prop + grub_fdt_prop_entry_size(grub_be_to_cpu32(*(prop + 1)))
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/ sizeof (*prop) >= end)
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return NULL;
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return prop;
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}
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- prop += prop_entry_size(grub_be_to_cpu32(*(prop + 1))) / sizeof (*prop);
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+ prop += grub_fdt_prop_entry_size(grub_be_to_cpu32(*(prop + 1))) / sizeof (*prop);
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}
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else if (grub_be_to_cpu32(*prop) == FDT_NOP)
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prop++;
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@@ -319,7 +314,7 @@ advance_token (const void *fdt, const grub_uint32_t *token, const grub_uint32_t
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value). */
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if (token >= end - 1)
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return 0;
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- token += prop_entry_size(grub_be_to_cpu32(*(token + 1)))
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+ token += grub_fdt_prop_entry_size(grub_be_to_cpu32(*(token + 1)))
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/ sizeof(*token);
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break;
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case FDT_NOP:
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@@ -467,12 +462,12 @@ int grub_fdt_set_prop (void *fdt, unsigned int nodeoffset, const char *name,
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unsigned int needed_space = 0;
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if (!prop)
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- needed_space = prop_entry_size(len);
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+ needed_space = grub_fdt_prop_entry_size(len);
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if (!prop_name_present)
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needed_space += grub_strlen (name) + 1;
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if (needed_space > get_free_space (fdt))
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return -1;
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- if (rearrange_blocks (fdt, !prop ? prop_entry_size(len) : 0) < 0)
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+ if (rearrange_blocks (fdt, !prop ? grub_fdt_prop_entry_size(len) : 0) < 0)
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return -1;
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}
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if (!prop_name_present) {
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@@ -489,10 +484,10 @@ int grub_fdt_set_prop (void *fdt, unsigned int nodeoffset, const char *name,
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+ sizeof(grub_uint32_t));
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prop = (void *) (node_name + ALIGN_UP(grub_strlen(node_name) + 1, 4));
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- grub_memmove (prop + prop_entry_size(len) / sizeof(*prop), prop,
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+ grub_memmove (prop + grub_fdt_prop_entry_size(len) / sizeof(*prop), prop,
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struct_end(fdt) - (grub_addr_t) prop);
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grub_fdt_set_size_dt_struct (fdt, grub_fdt_get_size_dt_struct (fdt)
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- + prop_entry_size(len));
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+ + grub_fdt_prop_entry_size(len));
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*prop = grub_cpu_to_be32_compile_time (FDT_PROP);
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*(prop + 2) = grub_cpu_to_be32 (nameoff);
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}
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@@ -500,7 +495,7 @@ int grub_fdt_set_prop (void *fdt, unsigned int nodeoffset, const char *name,
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/* Insert padding bytes at the end of the value; if they are not needed, they
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will be overwritten by the following memcpy. */
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- *(prop + prop_entry_size(len) / sizeof(grub_uint32_t) - 1) = 0;
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+ *(prop + grub_fdt_prop_entry_size(len) / sizeof(grub_uint32_t) - 1) = 0;
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grub_memcpy (prop + 3, val, len);
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return 0;
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diff --git a/include/grub/fdt.h b/include/grub/fdt.h
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index 75525fa317c..158b1bc4b3a 100644
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--- a/include/grub/fdt.h
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+++ b/include/grub/fdt.h
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@@ -50,6 +50,11 @@ struct grub_fdt_empty_tree {
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#define GRUB_FDT_EMPTY_TREE_SZ sizeof (struct grub_fdt_empty_tree)
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+/* Size needed by a property entry: 1 token (FDT_PROPERTY), plus len and nameoff
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+ fields, plus the property value, plus padding if needed. */
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+#define grub_fdt_prop_entry_size(prop_len) \
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+ (3 * sizeof(grub_uint32_t) + ALIGN_UP(prop_len, sizeof(grub_uint32_t)))
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+
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#define grub_fdt_get_header(fdt, field) \
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grub_be_to_cpu32(((const grub_fdt_header_t *)(fdt))->field)
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#define grub_fdt_set_header(fdt, field, value) \
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