Changeset fb48a0e in mainline for kernel/generic/include/lib/rd.h


Ignore:
Timestamp:
2011-11-30T13:36:49Z (12 years ago)
Author:
Martin Decky <martin@…>
Branches:
lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export
Children:
317a463, c48f6ab
Parents:
83285fd
Message:

simplify RAM disk creation and usage
get rid of the useless HORD header

File:
1 edited

Legend:

Unmodified
Added
Removed

  • kernel/generic/include/lib/rd.h

    r83285fd rfb48a0e  
    3838#include <typedefs.h>
    3939
    40 /**
    41  * RAM disk version
    42  */
    43 #define RD_VERSION      1
    44 
    45 /**
    46  * RAM disk magic number
    47  */
    48 #define RD_MAGIC_SIZE   4
    49 #define RD_MAG0                 'H'
    50 #define RD_MAG1                 'O'
    51 #define RD_MAG2                 'R'
    52 #define RD_MAG3                 'D'
    53 
    54 /**
    55  * RAM disk data encoding types
    56  */
    57 #define RD_DATA_NONE    0
    58 #define RD_DATA_LSB             1               /* Least significant byte first (little endian) */
    59 #define RD_DATA_MSB             2               /* Most signigicant byte first (big endian) */
    60 
    61 /**
    62  * RAM disk error return codes
    63  */
    64 #define RE_OK                   0       /* No error */
    65 #define RE_INVALID              1       /* Invalid RAM disk image */
    66 #define RE_UNSUPPORTED          2       /* Non-supported image (e.g. wrong version) */
    67 
    68 /** RAM disk header */
    69 struct rd_header {
    70         uint8_t magic[RD_MAGIC_SIZE];
    71         uint8_t version;
    72         uint8_t data_type;
    73         uint32_t header_size;
    74         uint64_t data_size;
    75 } __attribute__ ((packed));
    76 
    77 typedef struct rd_header rd_header_t;
    78 
    79 extern int init_rd(rd_header_t *addr, size_t size);
     40extern void init_rd(void *, size_t);
    8041
    8142#endif
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