1 files changed, 94 insertions, 0 deletions
diff --git a/examples/zero_stream/src/main.zig b/examples/zero_stream/src/main.zig
new file mode 100644
index 0000000..7ba9ecf
--- /dev/null
+++ b/examples/zero_stream/src/main.zig
@@ -0,0 +1,94 @@
+// SPDX-FileCopyrightText: 2024 Himbeer <himbeer@disroot.org>
+//
+// SPDX-License-Identifier: AGPL-3.0-or-later
+
+const Result = extern struct {
+    value: usize,
+    status: usize,
+};
+
+export fn _start() void {
+    main();
+}
+
+pub fn main() void {
+    const s1 = "Hello";
+    asm volatile (
+        \\ li a7, 100000
+        \\ ecall
+        :
+        : [s] "{a0}" (s1.ptr),
+          [n] "{a1}" (s1.len),
+        : "a7"
+    );
+
+    const path = "/foo\x00";
+    asm volatile (
+        \\ li a7, 100003
+        \\ li a2, 0
+        \\ ecall
+        :
+        : [path] "{a0}" (path.ptr),
+          [readFn] "{a1}" (&read),
+        : "a7", "a2"
+    );
+
+    const s2 = "Stream resource provided";
+    asm volatile (
+        \\ li a7, 100000
+        \\ ecall
+        :
+        : [s] "{a0}" (s2.ptr),
+          [n] "{a1}" (s2.len),
+        : "a7"
+    );
+
+    const handle = asm volatile (
+        \\ li a7, 100001
+        \\ ecall
+        : [handle] "={a0}" (-> usize),
+        : [path] "{a0}" (path.ptr),
+        : "a7", "a1"
+    );
+
+    const s3 = "Resource opened";
+    asm volatile (
+        \\ li a7, 100000
+        \\ ecall
+        :
+        : [s] "{a0}" (s3.ptr),
+          [n] "{a1}" (s3.len),
+        : "a7"
+    );
+
+    var buf: [8]u8 = undefined;
+    asm volatile (
+        \\ li a7, 100009
+        \\ ecall
+        :
+        : [handle] "{a0}" (handle),
+          [buffer] "{a1}" (&buf),
+          [len] "{a2}" (buf.len),
+    );
+
+    const s4 = "Bytes read";
+    asm volatile (
+        \\ li a7, 100000
+        \\ ecall
+        :
+        : [s] "{a0}" (s4.ptr),
+          [n] "{a1}" (s4.len),
+        : "a7"
+    );
+}
+
+pub fn read(buffer: []u8) Result {
+    for (buffer, 0..) |_, i| {
+        buffer[i] = 0;
+    }
+
+    return .{
+        .value = buffer.len,
+        .status = 0,
+    };
+}