Nexus One processor is used.
2. ndk-r4 brings us a pleasant surpriseLet's just say nothing, just translate the important part of changes.txt (if you are a good English friend, you can ignore it directly ).The original changes.txt in the android-ndk-r4/docs directory:Reuse bug fixes:(1)
Important changes:(1) In the Win32 environment, ndk must be used with cygwin of version 1.7 or later. Currently, ndk may
Tags: arm stack storageAbout multi-register load storage directives 1.LDMIA instruction, Ldmib instruction, ldmdb instruction, LDMDA directive (1) Ldmia instruction, IA means address plus 4 after each transfer (2) Ldmib instruction, address plus four before each transfer (3) Ldmdb instruction, the address before each transmission minus 4, here also pay attention to the program first to R5, or first give R8, here is obviously first give R8 (4) Ldmda instruction, after each transmission ad
, design a piece of code that will re-write a command to a specific address. Then, we can use a loop to implement it because we need to return to the original address and execute it again. The Code is as follows:
#! Cpp _ asm _ volatile (1 "stmfd sp !, {R4-r8, lr} \ n "2" mov r6, #0 \ n "used to count the number of cycles, debug 3" mov r7, #0 \ n "assigns the initial value 4" mov r8, pc \ n "4, and 7 for r7 to obtain the address 5" mov
Purpose:You can learn through the experiment:A. Standard ACLB. Expand ACLLC. debug the experiment topology based on the time ACL:The four routers, the connection and IP configuration, use the loop port to simulate the internal network. Requirements:1. R1 is not allowed to access R4 and its internal network2. Do not allow the 10.1.1.0 network segment to ping or telnet the R4 and its internal network within t
Frame-relay:: Configure Frame-relay SWITCH so that the Frame-relay PVC between R2,R3,R3 is Full-mesh. However, only the PVC shown in the figure can be used.R2,R3,R4 Physical Interface Connection Framme-relay SWITCHBetween R4 and R5, use a PPP link. Please eliminate redundant 32-bit host routingR1,R2,R3 's Ethernet ports are connected to a switchConfigure by IP address shown in the figureEnsure each link can
For PC gamers, game notebooks are an effective alternative to desktops, but relatively expensive, such as the famous Alienware Alien series. However, the recent digital Storm launched a Krypton game, providing a strong configuration and performance, while offering a price of only 2251 U.S. dollars (about 13880 yuan), including 17-inch 1080P screen, core I7–4810MQ processor, 16GB RAM, 256GB SSDD+750GB SATA Hard disk and GeForce GTX 880M graphics card (
CCNP comprehensive experiment-
The top labs are as follows:
650) this. width = 650; "alt =" "border =" 0 "src =" http://img1.51cto.com/attachment/201104/185551130.jpg "/>Lab requirements: 1: R3, R4 for NAT, R3 E0/1 for export, and R4 E0/0 for export. 2: R3, R4, R5, R7, R8 do OSPF, R3, R4, R5, R7 do frame-relay, R7 do
, PC} ^; parameter, IP (R12), LR out StackStacksvc DCD (svcstackspace + svc_stack_legth * 4-4)
; /*************************************** **************************************** **************************; ** Function name: osintctxsw; ** Function Description: entry for stopping AND EXITING; ** Input: R3: Status Register CPSR of the current task (that is, the value of spsr); ** R4-R12: R4-R11 of the curren
Lab requirements:Set up the topology, import the pre-configuration, and troubleshoot the following errors.1. R4 cannot learn the host entries mounted on R5;2. The OSPF neighbor between R6 and R7 cannot start;3. R4 cannot form OSPF neighbors with R2 and R3;4. R7 cannot form an IPsec neighbor with R8 or R9;5. The host on R5 cannot be pinged to the host on R9;6. Ensure that the packets sent from the host on R5
.We look at the data at 0x76809.You can see that the A3 A8 AB FF is stored here. Where did the data come from? Or the old method, the next memory breakpoint.You can see whether the data is flowing from the R3 to the R8 specified address (0x76809). So where did R3 come from? Look up, 0xb3088, Lbu r3.0x0000 (R4), it seems to be read from the R4. Let's take a look at the next breakpoint in the 0xb3088.At the e
Dell has unveiled a new Alienware 15 at the 2015CES Consumer Electronics Show, which has recently been on sale in the east, with a new Alienware 15 design slim, with a carbon fiber technology in the aerospace field, which guarantees rigidity and durability. Equipped with a copper radiator.
Alienware 15 is equipped with the Intel Core i7 4710HQ processor, the mai
Router> en
Router # conf
Starting ing from terminal, memory, or network [terminal]?
Enter configuration commands, one per line. End with CNTL/Z.
Router (config) # host R4
R4 (config) # int lo4
% LINK-5-CHANGED: Interface Loopback4, changed state to up
% LINEPROTO-5-UPDOWN: Line protocol on Interface Loopback4, changed state to up
R4 (config-if) # ip add 192.168.4
target address. After the sub-routine is executed, copy the content of R14 to the PC to return the content from the sub-routine.
...
BL subr; call subr
... ; Return here
Subr
... ; Subroutine body
MoV PC, LR; returned from subr
This method is sufficient for leaf routines (that is, routines that do not call other child routines), but it cannot process nested or recursive calls. Assume that the subr uses BL to call another sub-routine, LR will be rewritten by the return address of the next call,
does not have a bitwise logic operation instruction, ARM adopts bucket shift, there are four kinds of instructions:
LSL Logical left Shift
LSR Logic Right Shift
ASR Arithmetic Right Shift
ROR Loop Right Shift
3. Compare operations
CMP R1,R2; —————— > Execute R1-R2 and set flag according to results
CMN R1,R2; —————— > Execute R1 + R2 and set flag according to resultsTST R1,R2; —————— > Execute R1 R2 and set flag according to results TEQ R1,
in the MPLS domain, from one LSP to two LSP. use router C as the demarcation point. non-link aggregation, a complete FEC path: In the following topology, R4 has a loopback port. 44.1.1.1/32R5 also has a loopback port: During the 55.1.1.1/32 period, R4, R1, R2, R3, R5, all devices have the same understanding of the two routes (with the same mask, to form a prerequisite for completing the FEC link. from
Chapter 12th APO Programming languageThe APO programming language is based on assembly language and object-oriented programming. There are only 7 basic instructions: assignment instruction, copy instruction, BTX (bit x Test 1, or 0 transfer) instruction, check table Jump command switch (RN) {...}, shift and loop instruction s, three operand operation instruction, call and return instruction. All instruction sizes, except 32-bit immediate number assignments are 2 words, others are 32-bit, one wor
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