| [4] | 1 | #ifndef _TYPE_H
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| 2 | #define _TYPE_H
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| 3 |
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| 4 | #ifndef _MINIX_SYS_CONFIG_H
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| 5 | #include <minix/sys_config.h>
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| 6 | #endif
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| 7 |
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| 8 | #ifndef _TYPES_H
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| 9 | #include <sys/types.h>
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| 10 | #endif
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| 11 |
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| 12 | /* Type definitions. */
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| 13 | typedef unsigned int vir_clicks; /* virtual addr/length in clicks */
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| 14 | typedef unsigned long phys_bytes; /* physical addr/length in bytes */
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| 15 | typedef unsigned int phys_clicks; /* physical addr/length in clicks */
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| 16 |
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| 17 | #if (_MINIX_CHIP == _CHIP_INTEL)
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| 18 | typedef unsigned int vir_bytes; /* virtual addresses and lengths in bytes */
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| 19 | #endif
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| 20 |
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| 21 | #if (_MINIX_CHIP == _CHIP_M68000)
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| 22 | typedef unsigned long vir_bytes;/* virtual addresses and lengths in bytes */
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| 23 | #endif
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| 24 |
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| 25 | #if (_MINIX_CHIP == _CHIP_SPARC)
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| 26 | typedef unsigned long vir_bytes;/* virtual addresses and lengths in bytes */
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| 27 | #endif
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| 28 |
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| 29 | /* Memory map for local text, stack, data segments. */
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| 30 | struct mem_map {
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| 31 | vir_clicks mem_vir; /* virtual address */
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| 32 | phys_clicks mem_phys; /* physical address */
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| 33 | vir_clicks mem_len; /* length */
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| 34 | };
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| 35 |
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| 36 | /* Memory map for remote memory areas, e.g., for the RAM disk. */
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| 37 | struct far_mem {
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| 38 | int in_use; /* entry in use, unless zero */
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| 39 | phys_clicks mem_phys; /* physical address */
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| 40 | vir_clicks mem_len; /* length */
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| 41 | };
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| 42 |
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| 43 | /* Structure for virtual copying by means of a vector with requests. */
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| 44 | struct vir_addr {
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| 45 | int proc_nr;
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| 46 | int segment;
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| 47 | vir_bytes offset;
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| 48 | };
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| 49 |
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| 50 | #define phys_cp_req vir_cp_req
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| 51 | struct vir_cp_req {
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| 52 | struct vir_addr src;
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| 53 | struct vir_addr dst;
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| 54 | phys_bytes count;
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| 55 | };
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| 56 |
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| 57 | typedef struct {
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| 58 | vir_bytes iov_addr; /* address of an I/O buffer */
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| 59 | vir_bytes iov_size; /* sizeof an I/O buffer */
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| 60 | } iovec_t;
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| 61 |
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| 62 | /* PM passes the address of a structure of this type to KERNEL when
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| 63 | * sys_sendsig() is invoked as part of the signal catching mechanism.
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| 64 | * The structure contain all the information that KERNEL needs to build
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| 65 | * the signal stack.
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| 66 | */
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| 67 | struct sigmsg {
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| 68 | int sm_signo; /* signal number being caught */
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| 69 | unsigned long sm_mask; /* mask to restore when handler returns */
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| 70 | vir_bytes sm_sighandler; /* address of handler */
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| 71 | vir_bytes sm_sigreturn; /* address of _sigreturn in C library */
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| 72 | vir_bytes sm_stkptr; /* user stack pointer */
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| 73 | };
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| 74 |
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| 75 | /* This is used to obtain system information through SYS_GETINFO. */
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| 76 | struct kinfo {
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| 77 | phys_bytes code_base; /* base of kernel code */
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| 78 | phys_bytes code_size;
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| 79 | phys_bytes data_base; /* base of kernel data */
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| 80 | phys_bytes data_size;
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| 81 | vir_bytes proc_addr; /* virtual address of process table */
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| 82 | phys_bytes kmem_base; /* kernel memory layout (/dev/kmem) */
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| 83 | phys_bytes kmem_size;
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| 84 | phys_bytes bootdev_base; /* boot device from boot image (/dev/boot) */
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| 85 | phys_bytes bootdev_size;
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| 86 | phys_bytes bootdev_mem;
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| 87 | phys_bytes params_base; /* parameters passed by boot monitor */
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| 88 | phys_bytes params_size;
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| 89 | int nr_procs; /* number of user processes */
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| 90 | int nr_tasks; /* number of kernel tasks */
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| 91 | char release[6]; /* kernel release number */
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| 92 | char version[6]; /* kernel version number */
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| 93 | int relocking; /* relocking check (for debugging) */
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| 94 | };
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| 95 |
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| 96 | struct machine {
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| 97 | int pc_at;
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| 98 | int ps_mca;
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| 99 | int processor;
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| 100 | int protected;
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| 101 | int vdu_ega;
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| 102 | int vdu_vga;
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| 103 | };
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| 104 |
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| 105 | #endif /* _TYPE_H */
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