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by bewo001
720 days ago
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The fun really starts if you have a CPU using big endian and a bus using little endian.. Back in the late 1990s, we moved from Motorola 68k / sbus to Power/PCI. To make the transition easy, we kept using big endian for the CPU. However, all available networking chips only supported PCI / little endian at this point. For DMA descriptor addresses and chip registers, one had to remember to use little endian. |
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