"Primary boot flags" (APP/LCM)

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Focus:	Maintenance / Operation
Structures:	Abstract / Concrete

Ancestry:

0x000	pkt	CpuReset
0x00C	bf	LCMPRIMARY primary

Definition:

Alignment:	4-byte boundary
APID:	1685/0x695:4
Attribute(s):
C type:	unsigned int
Length:	32 bits (4 bytes)
Offset:	0x00C

Description:

Primary boot flags

Layout: (hide detail; help)

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Size

Item Type and Name

LCMPRIMARY (bf)
|  Padui20 spare0 (0-19)
|  memory column (20-23)
|  Padui3 spare1 (24-26)
|  enable swap (27) ... user (31)

typedef struct _LCM_LCMPRIMARY_Bfl {

    #if ENDIANNESS_IS_BIG

    /* Explicit 20 bit pad in unsigned int */
    unsigned int         spare0:20;

    /* Memory column number */
    unsigned int         column:4;

    /* Explicit 3 bit pad in unsigned int */
    unsigned int         spare1:3;

    /* An enable flag in an unsigned int */
    unsigned int         swap:1;

    /* An enable flag in an unsigned int */
    unsigned int         diag:1;

    /* An enable flag in an unsigned int */
    unsigned int         boot:1;

    /* An enable flag in an unsigned int */
    unsigned int         rtos:1;

    /* An enable flag in an unsigned int */
    unsigned int         user:1;

    #elif ENDIANNESS_IS_LITTLE

    /* An enable flag in an unsigned int */
    unsigned int         user:1;

    /* An enable flag in an unsigned int */
    unsigned int         rtos:1;

    /* An enable flag in an unsigned int */
    unsigned int         boot:1;

    /* An enable flag in an unsigned int */
    unsigned int         diag:1;

    /* An enable flag in an unsigned int */
    unsigned int         swap:1;

    /* Explicit 3 bit pad in unsigned int */
    unsigned int         spare1:3;

    /* Memory column number */
    unsigned int         column:4;

    /* Explicit 20 bit pad in unsigned int */
    unsigned int         spare0:20;

    #else

    #error _FILE_ ENDIANNESS NOT DEFINED

    #endif

} __attribute__((packed)) LCM_LCMPRIMARY_Bfl;

typedef union _LCM_LCMPRIMARY {

    /* underlying unsigned int */
    unsigned int                    ui;

    /* struct mapped bitfield */
    struct _LCM_LCMPRIMARY_Bfl      bf;

} LCM_LCMPRIMARY;