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| Getting Started with eCos This note is intended as an aide in getting started developing applications for eCos. Unlike most operating systems, the kernel automatically configures itself with just the facilities required for a specific application. The total size of the system can be quite small as a result. To build a sample program, go to: www.mlbassoc.com/examples/build_hello.html Use "moab" for the target in the sample program. The eCos repository will be /opt/mlb/ecos/packages on your system. After working through the example, you’ll have an executable called "hello" in your working directory. Copy that to the /tftpbootdirectory. Then, you can just load the file using TFTP and Go from the RedBoot prompt. Do not try to specify an address for the load, the file must be loaded where it was linked, and that information is embedded in the file. RedBoot> l hello Using default protocol (TFTP) Entry point: 0x00080000, address range: 0x00080000-0x0008a39c RedBoot> g Bus: 0, PCI Device: 1, PCI Func: 0 Vendor Id: 0x100B, Device Id: 0x0020, Command: 0x0007, IRQ: 1 BAR[0] 0x00800001 / probed size 0x00000000 / CPU addr 0xe8800000 BAR[1] 0xfffff000 / probed size 0x00000000 / CPU addr 0x9ffff000 Bus: 0, PCI Device: 2, PCI Func: 0 Vendor Id: 0x1033, Device Id: 0x0035, Command: 0x0006, IRQ: 1 BAR[0] 0xfffff000 / probed size 0x00000000 / CPU addr 0x9ffff000 Bus: 0, PCI Device: 2, PCI Func: 1 Vendor Id: 0x1033, Device Id: 0x0035, Command: 0x0006, IRQ: 2 BAR[0] 0xfffff000 / probed size 0x00000000 / CPU addr 0x9ffff000 Bus: 0, PCI Device: 2, PCI Func: 2 Vendor Id: 0x1033, Device Id: 0x00E0, Command: 0x0006, IRQ: 3 BAR[0] 0xffffff00 / probed size 0x00000000 / CPU addr 0x9fffff00 Hello world! No provision was made in this program for returning to RedBoot, so the program will hang after execution. |
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| All referenced prices are United States Dollars. Copyright © 1997-2005 Test & Measurement Systems Inc. Other products and companies referred to herein are trademarks or registered trademarks of their respective companies or mark holders. Specifications are subject to change without notice. Test & Measurement Systems Inc. Tel: + 970-669-6553 |
| December 16, 2005 |