Intel(R) IQ80315 I/O Processor DMA and XOR Library APIs and ...

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Intel ® GW80314 I/O Processor DMA and XOR LibraryLibrary and Test Bench File Organization and Compilation7.0 Library and Test Bench File Organizationand CompilationTestbench runs with Redhat* monitor. When another OS is used, modifications may be majordepending on the system architecture (i.e., Linux*).7.1 Folder and File OrganizationFolders:7.1.1 / Files:7.1.2 /Lib Files:• / .....................Directory to initiate build.• /Lib................The 80314 DMA/XOR Library.• /Bench..........Test bench illustrating an implementation of Library.• b.bat— Call this from DOS prompt to build bench_314.elf• run314.bat— initiates GNUPro GUI interface• lib_headers.h:— all #include files for Library.• 80200.h:— 80200 macros per Intel ® XScale Microarchitecture Programmer’s Reference Manual.• DMAXOR80314.h:— 80314 DMA: memory map, macros and global variables for append and reclaim.• dmaxor_desc_mgr.h, dmaxor_desc_mgr.c:— Functions, data structures and macros to malloc memory for data and descriptorprocessing and sets cache policy for memory map of both descriptors and data.• i80315.h, MPIC.h, MPIC.c, interrupt_chain.h, interrupt_chain.c:— Interrupt controller/interrupt handler setup.• xscale.h, xscale.c:— Setup memory map with Intel ® XScale microarchitecture xcb Data Cache policy, setglobal coalescing, global data cache clean.• Makefile:— Creates: *.o files used in /Bench.26 APIs and Testbench White Paper
Intel ® GW80314 I/O Processor DMA and XOR LibraryLibrary and Test Bench File Organization and Compilation7.1.3 /Bench Files:• bench.h, bench.c:— Provides menu to call test cases and present output as stdio.• lib_demo_cases.c:— Demonstration of DMA/XOR Library.• crc32.h, crc32.c:— Used by lib_demo_cases() to validate in software crc calculated by DMA engine.• headers.h:— Combine all #include references.• makefile:— Creates output bench_314.elf from object files.7.2 Instruction to Build and Run• Unzip into directory.• Setup GNUPro Toolset in directory path.• Open DOS window and go to directory above /Lib and /Bench.• Type b at command prompt to call b.bat file:— b.bat file erases existing .o and .elf files, build required .o files and bench_314.elf.• To run call run314 to call run314.bat file.• When debugger comes up:— Select: File>Target setting, enter baud rate 115200, COM port, target>Ok.— Open console window.— Select: Run>Download > Continue.— Click mouse in Console window.— Enter menu option > .APIs and Testbench White Paper 27
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