feat: e100e Ethernet driver, ramdisk reorganization, shell rewrite, web server/client, and more
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-4
@@ -12,13 +12,13 @@
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.SH DESCRIPTION
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ZenithOS provides a simple read-only Virtual File System (VFS)
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backed by the boot ramdisk. Files are accessed via paths in the
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format "<drive>:/<name>", where drive 0 is the ramdisk.
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format "<drive>:/<path>", where drive 0 is the ramdisk.
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.SS open
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Opens a file and returns a non-negative handle on success, or a
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negative value on error (file not found, no free handles).
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int h = zenith::open("0:/shell.elf");
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int h = zenith::open("0:/os/hello.elf");
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.SS read
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Reads up to 'size' bytes starting at 'offset' into 'buf'.
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@@ -42,15 +42,17 @@
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.SS readdir
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Lists entries in a directory. Up to 'max' entry names (max 64)
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are written to the 'names' array. The kernel allocates a user-
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accessible page for the string data automatically.
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accessible page for the string data automatically. Directory
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entries are returned with a trailing slash.
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const char* entries[64];
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int count = zenith::readdir("0:/", entries, 64);
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// entries: "os/", "games/", "man/", "www/", "home/"
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.SH READING PATTERN
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The standard pattern for reading a file:
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int h = zenith::open("0:/myfile.txt");
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int h = zenith::open("0:/man/intro.1");
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uint64_t size = zenith::getsize(h);
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uint8_t buf[512];
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uint64_t off = 0;
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