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Factor out the context specific functions into their own file.

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These will be reused by my BCT display tool.

Change-Id: I88d595412ec439a96231b81253eb04ed4bfd377d

BUG=chromium-os:10502
TEST=run cbootimage on test config.

Review URL: http://codereview.chromium.org/6469010
This commit is contained in:
Anton Staaf
2011-02-17 09:22:32 -08:00
parent fd81bb6a70
commit 73664ab25e
4 changed files with 116 additions and 58 deletions
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1
GNUmakefile
View File

@@ -6,6 +6,7 @@ C_FILES += parse.c
C_FILES += set.c
C_FILES += crypto.c
C_FILES += aes_ref.c
C_FILES += context.c
OBJS := $(patsubst %.c,%.o,$(notdir $(C_FILES)))

59
cbootimage.c
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@@ -30,6 +30,7 @@
#include "data_layout.h"
#include "parse.h"
#include "set.h"
#include "context.h"
/*
* Global data
@@ -43,64 +44,6 @@ static int help_only = 0; // Only print help & exit
*/
int main(int argc, char *argv[]);
static int
query_alloc(build_image_context *context,
nvbct_lib_id size_id,
u_int8_t **dst)
{
u_int32_t size;
/* Note: 3rd argument not used in this particular query. */
if (context->bctlib.get_value(size_id,
&size, context->bct) != 0)
return -ENODATA;
*dst = malloc(size);
if (*dst == NULL)
return -ENOMEM;
memset(*dst, 0, size);
return 0;
}
static void
cleanup_context(build_image_context *context)
{
destroy_block_list(context->memory);
destroy_addon_list(context->addon_tbl.addon_item_list);
free(context->bct);
}
static int
init_context(build_image_context *context)
{
int e = 0;
/* Set defaults */
context->memory = new_block_list();
context->journal_blk = 1; /* Default to 1st block */
/* Allocate space for the bct.
* Note that this is different from the old code which pointed directly
* into a memory image.
*/
e = query_alloc(context, nvbct_lib_id_bct_size, &(context->bct));
if (e != 0)
goto fail;
context_set_value(context, token_page_size, 2048);
context_set_value(context, token_redundancy, 1);
context_set_value(context, token_version, 1);
return 0;
fail:
cleanup_context(context);
return e;
}
int
write_image_file(build_image_context *context)
{

83
context.c Normal file
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@@ -0,0 +1,83 @@
/**
* Copyright (c) 2011 NVIDIA Corporation. All rights reserved.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* 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 "cbootimage.h"
#include "data_layout.h"
#include "set.h"
static int
query_alloc(build_image_context *context,
nvbct_lib_id size_id,
u_int8_t **dst)
{
u_int32_t size;
/* Note: 3rd argument not used in this particular query. */
if (context->bctlib.get_value(size_id,
&size, context->bct) != 0)
return -ENODATA;
*dst = malloc(size);
if (*dst == NULL)
return -ENOMEM;
memset(*dst, 0, size);
return 0;
}
void
cleanup_context(build_image_context *context)
{
destroy_block_list(context->memory);
destroy_addon_list(context->addon_tbl.addon_item_list);
free(context->bct);
}
int
init_context(build_image_context *context)
{
int e = 0;
/* Set defaults */
context->memory = new_block_list();
context->journal_blk = 1; /* Default to 1st block */
/* Allocate space for the bct.
* Note that this is different from the old code which pointed directly
* into a memory image.
*/
e = query_alloc(context, nvbct_lib_id_bct_size, &(context->bct));
if (e != 0)
goto fail;
context_set_value(context, token_page_size, 2048);
context_set_value(context, token_redundancy, 1);
context_set_value(context, token_version, 1);
return 0;
fail:
cleanup_context(context);
return e;
}

31
context.h Normal file
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@@ -0,0 +1,31 @@
/**
* Copyright (c) 2011 NVIDIA Corporation. All rights reserved.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* 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
*/
#ifndef INCLUDED_CONTEXT_H
#define INCLUDED_CONTEXT_H
#include "cbootimage.h"
int init_context(build_image_context *context);
void cleanup_context(build_image_context *context);
#endif /* #ifndef INCLUDED_CONTEXT_H */