r7 260x

MMU, see ARM architecture and programming.To the head-armv.s find the entry to the program. Section ". Text. init", # alloc, # execinstr. Type stext, # FunctionEntry (stext)MoV R12, R0MoV r0, # f_bit | I _bit | mode_svc @ Make sure SVC ModeMSR cpsr_c, R0 @ and all irqs disabledBL _ lookup_processor_typeTEQ R10, #0 @ invalid processor?Moveq r0, # 'P' @ Yes, error 'P'Beq _ ErrorBL _ lookup_ubunture_typeTEQ R7, #0 @ invalid architecture?Moveq r0, # 'A'

(Liblog). Second, the implementation of the NDK instance:for the development of the NDK under the Windows environment, if the NDK used was a prior version of R7, it was necessary to install Cygwin in order to use the NDK, so the builder needed to be configured for Eclipse was actually performing Cygwin, The ndk-build is then passed as a parameter. At the beginning of NDKr7, Google's Windows version of the NDK provides a ndk-build.cmd script so that i

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1. Topology Map: 2. Basic interface Configuration: R1 (config) #int f0/0 R1 (config-if) #ip add 192.168.12.1 255.255.255.0 R1 (config-if) #no sh R1 (config-if) #int l0 R1 (config-if) #ip add 10.1.1.1 255.255.255.0 R2 (config) #int e0/0 R2 (config-if) #ip add 192.168.12.2 255.255.255.0 R2 (config-if) #no sh R2 (config-if) #int E0/1 R2 (config-if) #ip add 202.100.1.2 255.255.255.0 R2 (config-if) #no sh R3 (config) #int f0/0 R3 (config-if) #ip add 202.100.1.3 255.255.255.0 R3 (conf

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, row number 36-38, here can be seen to create a new stack frame, and the size is 12 bytes, in fact, the function is the last 3 parameters need to save the position, the number of lines 50-51, do is to create space for 36-38 cleanup work.Number of rows 39-41, the argument 5,7,6 to R2,r0 and R1, where the order actually does not matter, because the 3 register as a temporary save, the function of the 42,43,45 line will be saved to the [sp+0],[sp+4],[sp+8] memory location, respectively, The remaini

the ospf interface to 0. Disable R4.R4 (config-if) # ip ospf priority 0 3. Check the neighbor relationship on R2. Both R3 and R4 are DROTHER. R2 # sh ip ospf neighbor Neighbor ID Pri State Dead Time Address Interface3.3.3.3 0 FULL/DROTHER 00:00:34 172.17.1.2 Serial1/24.4.4.4 0 FULL/DROTHER 00:00:33 172.17.1.3 Serial1/2 4. Configure Area 1 R2 (config) # router ospf 10R2 (config-router) # net 10.1.1.2 0.0.0.0 area 1 R1 (config) # router ospf 10R1 (config-router) # router-id 1.1.1.1R1 (config-rout

Build the Android NDK environment the Windows XP environment1 Some Downloads① NDK r7:http://developer.android.com/sdk/ndk/index.html② cygwin:http://www.cygwin.com/(1.7.11-1)③ notepad++:http://notepad-plus-plus.org/download/v5.9.8.html 2 Cygwin installation① Run the downloaded Setup.exe, click Next② Select the installation method. Choose to install online if you have an off-the-shelf offline package, you can choose to install offline③ Selec

Document directory 2. Download and install Android ndk 3. Download and install cygwin 4. Configure ndk Environment Variables 5. Use ndk to compile the program 6. Integrate the C/C ++ development environment in eclipse 7. Configure the C/C ++ Compiler It took almost one day to build this environment ~ It's really not easy! The detailed steps are as follows: 1. Build an android Development Environment Setting up the android development environment is not a key point. I believe many peopl

has 37 32-bit registers, 31 of which are general-purpose registers and 6 are status registers. However, these registers cannot be accessed at the same time, depending on which registers are programmable.The working status and specific running mode of the microprocessor. But at any time, the general register R14 ~ R0, program counter PC, one or two status registers are accessible. 1. Register Organization in arm working stateGeneral registers:General registers include R0 ~ R15 can be divided int

byte in the state. It can be mapped through the calculated S box.Schange:Ldi zh, $01; point the pointer to the first address of the S boxMoV ZL, R2; the data to be searched as the pointer's low addressLdtemp, Z +; obtain the corresponding dataMoV R2, temp; complete data query...RET ② Shiftrow is a byte transposition. It cyclically shifts the rows in the status according to different offsets, and this offset is also selected based on different NB [3].Shiftrow:; this is a subprogram for byte tran

Description These format definitions are used to match the pixel format of the traditional PC's image frame buffer. Each pixel occupies 8, 16, 24, or 32 bits. This is the packed-pixel format, which means that each pixel is in the memory. When one of these formats is used, the driver should report the color space to v4l2_colorspace_srgb. Table2-1. Packed RGB image formats IdentifierCode Byte 07654/3210 Byte 1 Byte 2 Byte 3 V4l2_pix_fmt_rgb332'Rgb1' B1 B0 G2

of 0x1c00 bytes of Flash space. In addition, the ram of the program starts from 0x40000040 and the length is 0x3fa0 bytes. In this way, the 64-byte RAM is reserved for interrupt vector ing and the 32-byte RAM is reserved for IAP programming. 3.3.4 re- ing of Interrupt Vectors The start address of bootloader is 0x00000400, And the interrupt vector is also stored from this address. However, when an arm exception occurs by default, the Operation will jump to the 64-byte interrupt vector area at 0x

Reference Http://www.cocos2d-x.org/projects/cocos2d-x/wiki/How_to_build_and_run_HelloWorld Script Generation ProjectHttp://www.cocos2d-x.org/projects/cocos2d-x/wiki/Chapter_1_-_How_to_Create_a_New_cocos2d-x_project_on_multi-platforms Set _ cygbin = c: \ cygwin \ binThe path of cygwin Bin Set _ androidtools = D: \ anroid \ Android-SDK-Windows \ toolsThe path of Android SDK tools Set _ ndkroot = D :\anroid \ android-ndk-r5bThe root of ndk Installation directory:C: \ android-ndk-r7C: \ cocos2

| the starting address of the RO segment in the running domain. | image $ Ro $ limit | it is the end address of the RO segment in the running domain, and so on.We can specify it in linker output. In simple mode, RO base corresponds to | image $ Ro $ base |, RW base corresponds to | image $ RW $ base |,Because RW is connected to Zi, | image $ Zi $ base | equal to | image $ RW $ limit |. Other values are automatically calculated by the compiler.Below is the handling part of the 2410 startup code.

Reset_Handler BL Undefined_Handler BL SWI_Handler BL Prefetch_Handler BL Abort_Handler NOP BL IRQ_Handler BL FIQ_Handler Use the LDR command Vector_Init_Block Ldr pc, Reset_Addr Ldr pc, undefined_addr Ldr pc, swi_addr Ldr pc, prefetch_addr Ldr pc, abort_addr NOP Ldr pc, irq_addr Ldr pc, fiq_addr Reset_addr DCD start_boot Undefined_addr DCD undefined_handler Swi_addr DCD swi_handler Prefetch_addr DCD prefetch_handler Abort_addr DCD abort_handler NOP Irq_addr DCD irq_handler FIQ_Addr DCD FIQ_Ha

the load_addr and text_start values.In fact, these two values are the zreladdr and ztextaddr assigned by the other two variables.In kernel/ARCH/ARM/boot/makefile, we can find the values of these two variables.Ifeq ($ (config_arch_s3c2410), Y)Ztextaddr = 0x30008000Zreladdr = 0x30008000EndifSoLoad_addr = 0x30008000Text_start = 0x30008000Let's take a look at vmlinux. LDS.Entry (_ start)Sections{. = 0x30008000;_ Load_addr = .; . = 0;_ Text = .;Obviously, load_addr is assigned 0x30008000.Let's see h

addresses. If you leave the/WP pin unmoved or grounded, flash will not be able to write protection, and all the primary storage pages can be read and written. Reset (/reset) b041 uses a low-level reset, that is, when the/reset pin has a low-level ( Interface with microprocessor The b041 peripheral circuit is very simple and can be easily connected to the microcontroller. So, Si, sck,/cs,/WP are connected to the general I/O of the microprocessor respectively. Software Design The following descri