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	Add an option to open files in read-only mode in mmap_fdt so that fit_check_sign can be used to inspect files on read-only filesystems. For example, this is useful when a key is shipped in a read-only rootfs or squashfs. Signed-off-by: Luca Boccassi <luca.boccassi@microsoft.com>
		
			
				
	
	
		
			43 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			43 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* SPDX-License-Identifier: GPL-2.0+ */
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| /*
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|  * (C) Copyright 2014
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|  */
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| 
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| #ifndef _FIT_COMMON_H_
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| #define _FIT_COMMON_H_
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| 
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| #include "imagetool.h"
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| #include "mkimage.h"
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| #include <image.h>
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| 
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| /**
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|  * Verify the format of FIT header pointed to by ptr
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|  *
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|  * @ptr: image header to be verified
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|  * @image_size: size of while image
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|  * @params: mkimage parameters
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|  * @return 0 if OK, -1 on error
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|  */
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| int fit_verify_header(unsigned char *ptr, int image_size,
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| 			struct image_tool_params *params);
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| 
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| int fit_check_image_types(uint8_t type);
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| 
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| /**
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|  * Map an FDT into memory, optionally increasing its size
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|  *
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|  * @cmdname:	Tool name (for displaying with error messages)
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|  * @fname:	Filename containing FDT
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|  * @size_inc:	Amount to increase size by (0 = leave it alone)
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|  * @blobp:	Returns pointer to FDT blob
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|  * @sbuf:	File status information is stored here
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|  * @delete_on_error:	true to delete the file if we get an error
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|  * @read_only:	true to open in read-only mode
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|  * @return 0 if OK, -1 on error.
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|  */
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| int mmap_fdt(const char *cmdname, const char *fname, size_t size_inc,
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| 	     void **blobp, struct stat *sbuf, bool delete_on_error,
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| 	     bool read_only);
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| 
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| #endif /* _FIT_COMMON_H_ */
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