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< * $FreeBSD: head/sys/i386/linux/linux.h 156843 2006-03-18 18:24:38Z netchild $
---
> * $FreeBSD: head/sys/i386/linux/linux.h 161310 2006-08-15 12:54:30Z netchild $
34a35,38
> #include <sys/param.h>
> #include <sys/lock.h>
> #include <sys/mutex.h>
> #include <sys/sx.h>
708a713,807
> struct l_user_desc {
> l_uint entry_number;
> l_uint base_addr;
> l_uint limit;
> l_uint seg_32bit:1;
> l_uint contents:2;
> l_uint read_exec_only:1;
> l_uint limit_in_pages:1;
> l_uint seg_not_present:1;
> l_uint useable:1;
> };
>
> struct l_desc_struct {
> unsigned long a,b;
> };
>
>
> #define LINUX_LOWERWORD 0x0000ffff
>
> /* macros which does the same thing as those in linux include/asm-um/ldt-i386.h
> * these convert linux user-space descriptor to machine one
> */
> #define LDT_entry_a(info) \
> ((((info)->base_addr & LINUX_LOWERWORD) << 16) | ((info)->limit & LINUX_LOWERWORD))
>
> #define ENTRY_B_READ_EXEC_ONLY 9
> #define ENTRY_B_CONTENTS 10
> #define ENTRY_B_SEG_NOT_PRESENT 15
> #define ENTRY_B_BASE_ADDR 16
> #define ENTRY_B_USEABLE 20
> #define ENTRY_B_SEG32BIT 22
> #define ENTRY_B_LIMIT 23
>
> #define LDT_entry_b(info) \
> (((info)->base_addr & 0xff000000) | \
> ((info)->limit & 0xf0000) | \
> ((info)->contents << ENTRY_B_CONTENTS) | \
> (((info)->seg_not_present == 0) << ENTRY_B_SEG_NOT_PRESENT) | \
> (((info)->base_addr & 0x00ff0000) >> ENTRY_B_BASE_ADDR) | \
> (((info)->read_exec_only == 0) << ENTRY_B_READ_EXEC_ONLY) | \
> ((info)->seg_32bit << ENTRY_B_SEG32BIT) | \
> ((info)->useable << ENTRY_B_USEABLE) | \
> ((info)->limit_in_pages << ENTRY_B_LIMIT) | 0x7000)
>
> #define LDT_empty(info) (\
> (info)->base_addr == 0 && \
> (info)->limit == 0 && \
> (info)->contents == 0 && \
> (info)->seg_not_present == 1 && \
> (info)->read_exec_only == 1 && \
> (info)->seg_32bit == 0 && \
> (info)->limit_in_pages == 0 && \
> (info)->useable == 0 )
>
> /* macros for converting segments, they do the same as those in arch/i386/kernel/process.c */
> #define GET_BASE(desc) ( \
> (((desc)->a >> 16) & LINUX_LOWERWORD) | \
> (((desc)->b << 16) & 0x00ff0000) | \
> ( (desc)->b & 0xff000000) )
>
> #define GET_LIMIT(desc) ( \
> ((desc)->a & LINUX_LOWERWORD) | \
> ((desc)->b & 0xf0000) )
>
> #define GET_32BIT(desc) (((desc)->b >> ENTRY_B_SEG32BIT) & 1)
> #define GET_CONTENTS(desc) (((desc)->b >> ENTRY_B_CONTENTS) & 3)
> #define GET_WRITABLE(desc) (((desc)->b >> ENTRY_B_READ_EXEC_ONLY) & 1)
> #define GET_LIMIT_PAGES(desc) (((desc)->b >> ENTRY_B_LIMIT) & 1)
> #define GET_PRESENT(desc) (((desc)->b >> ENTRY_B_SEG_NOT_PRESENT) & 1)
> #define GET_USEABLE(desc) (((desc)->b >> ENTRY_B_USEABLE) & 1)
>
> #define LINUX_CLOCK_REALTIME 0
> #define LINUX_CLOCK_MONOTONIC 1
> #define LINUX_CLOCK_PROCESS_CPUTIME_ID 2
> #define LINUX_CLOCK_THREAD_CPUTIME_ID 3
> #define LINUX_CLOCK_REALTIME_HR 4
> #define LINUX_CLOCK_MONOTONIC_HR 5
>
> typedef int l_timer_t;
> typedef int l_mqd_t;
>
> #define CLONE_VM 0x100
> #define CLONE_FS 0x200
> #define CLONE_FILES 0x400
> #define CLONE_SIGHAND 0x800
> #define CLONE_PID 0x1000 /* this flag does not exist in linux anymore */
> #define CLONE_PARENT 0x00008000
> #define CLONE_THREAD 0x10000
> #define CLONE_SETTLS 0x80000
> #define CLONE_CHILD_CLEARTID 0x00200000
> #define CLONE_CHILD_SETTID 0x01000000
> #define CLONE_PARENT_SETTID 0x00100000
>
> #define THREADING_FLAGS (CLONE_VM | CLONE_FS | CLONE_FILES | CLONE_SIGHAND)
>