root / lab4 / .minix-src / include / minix / param.h @ 14
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1 | 13 | up20180614 | |
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2 | #ifndef _MINIX_PARAM_H
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3 | #define _MINIX_PARAM_H 1 |
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4 | |||
5 | #include <minix/com.h> |
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6 | #include <minix/const.h> |
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7 | |||
8 | /* Number of processes contained in the system image. */
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9 | #define NR_BOOT_PROCS (NR_TASKS + LAST_SPECIAL_PROC_NR + 1) |
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10 | |||
11 | #ifdef _MINIX_SYSTEM
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12 | /* This is used to obtain system information through SYS_GETINFO. */
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13 | #define MAXMEMMAP 40 |
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14 | typedef struct kinfo { |
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15 | /* Straight multiboot-provided info */
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16 | multiboot_info_t mbi; |
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17 | multiboot_module_t module_list[MULTIBOOT_MAX_MODS]; |
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18 | multiboot_memory_map_t memmap[MAXMEMMAP]; /* free mem list */
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19 | phys_bytes mem_high_phys; |
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20 | int mmap_size;
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21 | |||
22 | /* Multiboot-derived */
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23 | int mods_with_kernel; /* no. of mods incl kernel */ |
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24 | int kern_mod; /* which one is kernel */ |
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25 | |||
26 | /* Minix stuff, started at bootstrap phase */
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27 | int freepde_start; /* lowest pde unused kernel pde */ |
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28 | char param_buf[MULTIBOOT_PARAM_BUF_SIZE];
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29 | |||
30 | /* Minix stuff */
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31 | struct kmessages *kmessages;
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32 | int do_serial_debug; /* system serial output */ |
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33 | int serial_debug_baud; /* serial baud rate */ |
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34 | int minix_panicing; /* are we panicing? */ |
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35 | vir_bytes user_sp; /* where does kernel want stack set */
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36 | vir_bytes user_end; /* upper proc limit */
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37 | vir_bytes vir_kern_start; /* kernel addrspace starts */
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38 | vir_bytes bootstrap_start, bootstrap_len; |
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39 | struct boot_image boot_procs[NR_BOOT_PROCS];
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40 | int nr_procs; /* number of user processes */ |
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41 | int nr_tasks; /* number of kernel tasks */ |
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42 | char release[6]; /* kernel release number */ |
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43 | char version[6]; /* kernel version number */ |
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44 | int vm_allocated_bytes; /* allocated by kernel to load vm */ |
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45 | int kernel_allocated_bytes; /* used by kernel */ |
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46 | int kernel_allocated_bytes_dynamic; /* used by kernel (runtime) */ |
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47 | } kinfo_t; |
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48 | #endif /* _MINIX_SYSTEM */ |
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49 | |||
50 | #endif |