swi prolog

Http://www.docin.com/p-92139363.html Due to the great success of PROLOG, PROLOG has always been a logic Program The name of the design. However, PROLOG is based on the horn subset of the first-level logic. As a non-typed logic programming language, it lacks sufficient expressiveness. In addition, due to the introduction of non-logical language components, such a

? Thank you!A: It may be caused by poor contact with power supplies or other connectors. 64th Q:Q: How many questions can I ask:1. Can the _ SWI keyword in the underlying interface be used in SDT?2. Why do I remove the Enable interrupt and Off-Cycle Macros in the clock cycle service subroutine in the errata document?3. Should the clock cycle interrupt priority be set to the highest?A: 1. I do not know. Please take a look at the software documentation.

/*************************************** **************************************** **************************** Some definitions related to the ARM7 architecture**************************************** **************************************** **************************/# Define OS _critical_method 2/* select the on/off mode */ // A keyword _ SWI of ADS is used here to declare a function that does not exist. Then, to call this function, insert//

ffff03e0 position. Each item (32bit) corresponds to an abnormal jump address, that is, the abnormal/interrupt vector jump table of wince. The entry address of the service program to be executed after an exception occurs. The details are as follows.VectortableDCD-1; ResetDCD undefexception; undefined instructionDCD swihandler; SVCDCD prefetchabort; prefetch abort If: Def: armv4t: lor: Def: armv4iDCD oemdataaborthandler; Data abortElseDCD dataaborthandler; Data abortEndif DCD-1; unused VectorDC

interrupt latency, the less timely the interrupt response, which is very important for real-time processing. The hardware interrupt thread can only use the combination of assembly language or C language and assembly language, but I usually recommend using assembly language.In the hardware interrupt handler, you can place SWI software interrupt objects or tsk task objects in the execution queue, but they must wait until all hardware interrupt threads

understand it? Paste the code first and then ask Google if you don't understand it. /* autogenerated by gensyscalls.py */#include What is _ nr_nanosleep, intuition, certainly defined in sys/linux-syscalls.h. Open/libc/include/sys/linux-syscalls.h and search _ nr_nanosleep, understand, it defines the value of _ nr_nanosleep (_ nr_syscall_base + 162 ), actually, the system call number is defined. This is connected to the previous article SWI. The abov

-if) # swi m trunk // The interface mode is the relay PortSw1 (config-if) # swi t en d // The encapsulation type is dot1qSw1 (config-if) # exiSw1 (config) # in f1/15Sw1 (config-if) # swi m tSw1 (config-if) # swi t en d // The encapsulation type must be the same as that of the Peer endSw1 (config-if) # exiSw1 (config) #

Recently, a program needs to be disconnected in user mode, but the architecture of ARM 7 determines that the interruption can only be changed in privileged mode, therefore, we want to use the Soft Interrupt of arm to achieve Guanzhong disconnection and open interruption. To use soft interrupt, you must first support hardware commands. The arm command is SWI. The SWI command format is:

creation method. just add the parameter-s.[Root @ shorttop21/] # lvcreate-s-n snapsyslv-L 50 M/dev/vol0/syslvRounding up size to full physical extent 64.00 MiBLogical volume "snapsyslv" created[Root @ shorttop21/] # lvdisplay/dev/vol0/snapsyslv--- Logical volume ---LV Name/dev/vol0/snapsyslvVG Name vol0Lvuuid snoXql-gI1Q-TSsF-F3LN-SyRI-HInY-8cZM3rLV Write Access read/writeLV snapshot status active destination for/dev/vol0/syslvLV Status available# Open 0LV Size 3.00 GiBCurrent LE 96COW-table si

interrupt, and so on. There is also the interrupt priority setting. Here, only two priorities are implemented, only the clockThe interrupt level is higher. The rest is the same, and the interrupt vectors point these interrupt vectors at 0x18 during initialization and close allIf the Board is still connected to a flash device, you also need to set a flash-related operating register.Cache. So far, the chip-related content is initialized.Step 2: interrupt vector table. Arm interrupt is slightly di

snoXql-gI1Q-TSsF-F3LN-SyRI-HInY-8cZM3rLV Write Access read/writeLV snapshot status active destination for/dev/vol0/syslvLV Status available# Open 0LV Size 3.00 GiBCurrent LE 96COW-table size 64.00 MiB (my PE is 32 M and only a multiple of 32 can be created)COW-table LE 2Allocated to snapshot 0.03% (usage: 0.03%)Snapshot chunk size 4.00 KiBSegments 1Allocation inheritRead ahead sectors auto-Currently sets to 256Block device 253: 7---> OK, snapsyslv has been created, 64 M. Check the details of sn

system interruption, including the timer interruption, whether to use FIQ interrupt, external interruption, and the interrupt priority. Here, only two priorities are implemented, and only the clock interruption level is higher, the rest are the same, and the interrupt vectors point these interrupt vectors to 0x18 during initialization, and disable all the interruptions here. If the Board still has a flash device, you also need to set the flash-related operating registers. Fourth, You need to di

Exceptions are some things that can interrupt the normal running process of the CPU, such as external interruptions, undefined commands, attempts to modify read-only data, and execution of SWI commands (software interrupt instruction, software interrupt commands. When these events occur, the CPU suspends the current program, processes the exception event first, and then continues executing the interrupted program. In the operating system, exceptions a

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Settings \ All Users ========================================================== ================================== Considerations when writing Prolog/epilog code Microsoft specific-> Before writing your own PROLOG and epilog code sequences, it is important to understand how the stack frame is laid out. It is also useful to know how to use_ Local_sizePredefined constant. C stack frame Layout Thi

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Related Files in kernel: ARCH/ARM/kernel/CILS. s declares the system call function and sys_call_tableInclude/ASM-arm/unistd. h defines the call number rules for system calls. Vector_swi defined in arch/ARM/kernel/entry-common.S Vector_irq is defined in arch/ARM/kernel/entry-armv.SVector_fiq is defined in arch/ARM/kernel/entry-armv. S. ========================================================== We all know that Linux applications must use system calls to access the kernel to switch from USR mode

ADR pseudocommand instance ; Set the name and attributes of the program Area adrlabel, code, readonly Entry Start ; Jump to the subprogram func for execution BL func ; Call angel_swireason_reportexception ; Adp_stopped_applicationexit ; Arm semihosting SWI Stop MoV r0, #0x18; assign 0x18 to R0 and 0x18 to the macro angel_swireason_reportexception. LDR R1, = 0x20026; 0x20026 is assigned to R1, 0x20026 immediately number corresponds to the macro adp_sto

Article Title: detailed analysis of the ArmLinux Operating System Call process. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. System calling is a service provided by the operating system of the operating system. User Programs reference various services provided by the kernel through various system calls. The execution of system calls puts user programs into

1. Topology Map: 2. Interface configuration: R1 (config) #int f0/0 R1 (config-if) #ip add 10.1.1.11 255.255.255.0 R1 (config-if) #no sh R2 (config) #int f0/0 R2 (config-if) #ip add 10.1.1.12 255.255.255.0 R2 (config-if) #no sh R3#vlan Database R3 (VLAN) #vlan 10 VLAN Ten added: name:vlan0010 R3 (VLAN) #exit APPLY completed. Exiting ..... R3 (config) #int f0/0 R3 (config-if) #switchport mode access R3 (config-if) #switchport Access VLAN 10 R3 (config-if) #int F0/15 R3 (config