Changeset 623 for trunk/kernel/mm/vseg.h


Ignore:
Timestamp:
Mar 6, 2019, 4:37:15 PM (5 years ago)
Author:
alain
Message:

Introduce three new types of vsegs (KCODE,KDATA,KDEV)
to map the kernel vsegs in the process VSL and GPT.
This now used by both the TSAR and the I86 architectures.

File:
1 edited

Legend:

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  • trunk/kernel/mm/vseg.h

    r611 r623  
    44 * Authors   Ghassan Almaless (2008,2009,2010,2011, 2012)
    55 *           Mohamed Lamine Karaoui (2015)
    6  *           Alain Greiner (2016)
     6 *           Alain Greiner (2016,2017,2018,2019)
    77 *
    88 * Copyright (c) UPMC Sorbonne Universites
    … …  
    3535
    3636/*******************************************************************************************
    37  * This enum defines the vseg types for an user process.
     37 * This enum defines the vseg types.
     38 * Note : the KDATA and KDEV types are not used by the TSAR HAL, because the accesses
     39 *        to kernel data or kernel devices are done through the DATA extension address
     40 *        register, but these types are probably required by the I86 HAL [AG].
    3841 ******************************************************************************************/
    3942
    4043typedef enum
    4144{
    42     VSEG_TYPE_CODE   = 0,          /*! executable user code   / private / localized       */
    43     VSEG_TYPE_DATA   = 1,          /*! initialized user data  / public  / distributed     */
    44     VSEG_TYPE_STACK  = 2,          /*! execution user stack   / private / localized       */
    45     VSEG_TYPE_ANON   = 3,          /*! anonymous mmap         / public  / localized       */
    46     VSEG_TYPE_FILE   = 4,          /*! file mmap              / public  / localized       */
    47     VSEG_TYPE_REMOTE = 5,          /*! remote mmap            / public  / localized       */
     45    VSEG_TYPE_CODE   = 0,          /*! executable user code     / private / localized     */
     46    VSEG_TYPE_DATA   = 1,          /*! initialized user data    / public  / distributed   */
     47    VSEG_TYPE_STACK  = 2,          /*! execution user stack     / private / localized     */
     48    VSEG_TYPE_ANON   = 3,          /*! anonymous mmap           / public  / localized     */
     49    VSEG_TYPE_FILE   = 4,          /*! file mmap                / public  / localized     */
     50    VSEG_TYPE_REMOTE = 5,          /*! remote mmap              / public  / localized     */
     51
     52    VSEG_TYPE_KCODE  = 6,          /*! executable kernel code   / private / localized     */
     53    VSEG_TYPE_KDATA  = 7,          /*! initialized kernel data  / private / localized     */
     54    VSEG_TYPE_KDEV   = 8,          /*! kernel peripheral device / public  / localized     */
    4855}
    4956vseg_type_t;
    … …  
    6067#define VSEG_PRIVATE  0x0010       /*! should not be accessed from another cluster        */
    6168#define VSEG_DISTRIB  0x0020       /*! physically distributed on all clusters             */
    62 #define VSEG_IDENT    0x0040       /*! identity mapping                                   */
    6369
    6470/*******************************************************************************************
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