diff options
Diffstat (limited to 'sys/i386/linux/linux.h')
| -rw-r--r-- | sys/i386/linux/linux.h | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/sys/i386/linux/linux.h b/sys/i386/linux/linux.h index 08a76f320e86..4bbf3039f535 100644 --- a/sys/i386/linux/linux.h +++ b/sys/i386/linux/linux.h @@ -32,6 +32,10 @@ #define _I386_LINUX_LINUX_H_ #include <sys/signal.h> /* for sigval union */ +#include <sys/param.h> +#include <sys/lock.h> +#include <sys/mutex.h> +#include <sys/sx.h> #include <i386/linux/linux_syscall.h> @@ -706,4 +710,99 @@ struct l_pollfd { l_short revents; }; +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) + #endif /* !_I386_LINUX_LINUX_H_ */ |