Daniel Samson
f023f1cfd6
The 11 QEMU-suite fixtures lived mixed into system/services/ with their binaries bundled at /system/tests/<name>. Now the repo path is the boot path, like every real service: test/system/services/<name>. fat-test moves out of the fat server's directory into its own; display-demo stays a boot service. - kernel VFS: setInitialRamdisk derives one read-only initrd mount per top-level tree named by the ramdisk entry paths (/system, /test), registers ancestors generically with self-parented roots, and refuses backend shadowing of any initrd tree - EFI loader: the fallback walk also enumerates \test (optional — a volume without fixtures still boots); manifest and capsule unchanged - path literals: vfs-test self-open + create probe, process-test process_enumerate matches, the args-echo argv[0] expectation; the kvfs case now covers the /test root end to end - docs: DFHS /test rows, tree diagrams, loader prose, and the location convention gain the third home; fixed the input-source link 100/100 QEMU cases pass.
45 lines
1.7 KiB
Zig
45 lines
1.7 KiB
Zig
//! test/system/services/shared-memory-server — the receiving half of the shared-memory test (docs/display-v2.md V2).
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//! It registers under `ServiceId.shared_memory_test`; when `shared-memory-client` calls it carrying a
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//! shared-memory capability, it `shared_memory_map`s that capability and checks the client's pattern
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//! is visible through the mapping — proving the two processes share the same physical pages
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//! (not a copy). On success it prints `shared-memory: shared 4096 bytes ok`, the test's marker.
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const ipc = @import("ipc");
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const service = @import("service");
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const memory = @import("memory");
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const logging = @import("logging");
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const pattern_len = 4096;
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/// The pattern the client writes — must match shared-memory-client.zig.
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fn expected(i: usize) u8 {
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return @truncate(i *% 7 +% 3);
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}
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fn onMessage(message: []const u8, reply: []u8, sender: u32, capability: ?ipc.Handle) usize {
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_ = message;
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_ = reply;
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_ = sender;
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const cap = capability orelse {
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_ = logging.write("shared-memory: shared FAILED (no capability)\n");
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return 0;
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};
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const ptr = memory.sharedMap(cap) orelse {
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_ = logging.write("shared-memory: shared FAILED (map)\n");
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return 0;
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};
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var i: usize = 0;
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while (i < pattern_len) : (i += 1) {
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if (ptr[i] != expected(i)) {
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_ = logging.write("shared-memory: shared FAILED (mismatch)\n");
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return 0;
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}
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}
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_ = logging.write("shared-memory: shared 4096 bytes ok\n");
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return 0; // empty reply — the client only needs the round trip to unblock
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}
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pub fn main() void {
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service.run(64, .{ .service = .shared_memory_test, .on_message = onMessage });
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}
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