test

syscalls/dispatch.c

@@ -0,0 +1,25 @@
+#include <zinnia/compiler.h>
+#include <zinnia/errno.h>
+#include <zinnia/print.h>
+#include <zinnia/sched.h>
+#include <zinnia/syscall.h>
+#include <zinnia/types.h>
+#include <zinnia/utils.h>
+
+static const syscall_fn_t dispatch_table[] = {
+#undef __ZINNIA_UAPI_SYSCALL_NUMBERS_H // We want to include the header again
+#define __SYSCALL_DEFINE(idx, name) [idx] = syscall_##name,
+#include <uapi/syscall_numbers.h>
+#undef __SYSCALL_DEFINE
+};
+
+void syscall_dispatch(struct arch_context* ctx) {
+    const size_t num = ctx->ARCH_CTX_NUM;
+
+    if (num >= ARRAY_SIZE(dispatch_table)) {
+        ctx->ARCH_CTX_RET0 = ENOSYS;
+        return;
+    }
+
+    dispatch_table[num](ctx);
+}