From a12e50e5a7dae52ed8bd5a24cc6576371e20985b Mon Sep 17 00:00:00 2001
From: Kimplul <kimi.h.kuparinen@gmail.com>
Date: Mon, 27 Dec 2021 20:40:44 +0200
Subject: Started work on syscalls

---
 common/uapi/ipc.c | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 common/uapi/ipc.c

(limited to 'common/uapi/ipc.c')

diff --git a/common/uapi/ipc.c b/common/uapi/ipc.c
new file mode 100644
index 0000000..5abbaeb
--- /dev/null
+++ b/common/uapi/ipc.c
@@ -0,0 +1,28 @@
+#include <apos/uapi.h>
+#include <apos/tcb.h>
+
+vm_t sys_ipc_server(vm_t callback, vm_t u0, vm_t u1, vm_t u2)
+{
+	UNUSED(u0); UNUSED(u1); UNUSED(u2);
+	struct tcb *r = cur_tcb();
+	if(r->callback) /* server can't be reinitialized */
+		return 1;
+
+	r->callback = callback;
+	return 0;
+}
+
+vm_t sys_ipc_req(vm_t pid, vm_t d0, vm_t d1, vm_t d2)
+{
+	struct tcb *t = get_tcb(pid);
+	/* something like jump_to_callback(t, d0, d1, d2) */
+	return 0;
+}
+
+vm_t sys_ipc_resp(vm_t pid, vm_t ret, vm_t u0, vm_t u1)
+{
+	UNUSED(u0); UNUSED(u1);
+	struct tcb *r = get_tcb(pid);
+	/* something like return_from_callback(t, r) */
+	return 0; /* oh yeah probably unreachable? */
+}
-- 
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