Added uart.mitm.

stratosphere/ams_mitm/source/uart_mitm/uart_shim.c

@@ -0,0 +1,77 @@
+/*
+ * Copyright (c) 2018-2020 Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <string.h>
+#include <switch.h>
+#include "uart_shim.h"
+
+/* Command forwarders. */
+Result uartCreatePortSessionFwd(Service* s, UartPortSession* out) {
+    return serviceDispatch(s, 6,
+        .out_num_objects = 1,
+        .out_objects = &out->s,
+    );
+}
+
+// [7.0.0+]
+static Result _uartPortSessionOpenPortFwd(UartPortSession* s, bool *out, u32 port, u32 baud_rate, UartFlowControlMode flow_control_mode, u32 device_variation, bool is_invert_tx, bool is_invert_rx, bool is_invert_rts, bool is_invert_cts, Handle send_handle, Handle receive_handle, u64 send_buffer_length, u64 receive_buffer_length, u32 cmd_id) {
+    const struct {
+        u8 is_invert_tx;
+        u8 is_invert_rx;
+        u8 is_invert_rts;
+        u8 is_invert_cts;
+        u32 port;
+        u32 baud_rate;
+        u32 flow_control_mode;
+        u32 device_variation;
+        u32 pad;
+        u64 send_buffer_length;
+        u64 receive_buffer_length;
+    } in = { is_invert_tx!=0, is_invert_rx!=0, is_invert_rts!=0, is_invert_cts!=0, port, baud_rate, flow_control_mode, device_variation, 0, send_buffer_length, receive_buffer_length };
+
+    u8 tmp=0;
+    Result rc = serviceDispatchInOut(&s->s, cmd_id, in, tmp,
+        .in_num_handles = 2,
+        .in_handles = { send_handle, receive_handle },
+    );
+    if (R_SUCCEEDED(rc) && out) *out = tmp & 1;
+    return rc;
+}
+
+Result uartPortSessionOpenPortFwd(UartPortSession* s, bool *out, u32 port, u32 baud_rate, UartFlowControlMode flow_control_mode, u32 device_variation, bool is_invert_tx, bool is_invert_rx, bool is_invert_rts, bool is_invert_cts, Handle send_handle, Handle receive_handle, u64 send_buffer_length, u64 receive_buffer_length) {
+    return _uartPortSessionOpenPortFwd(s, out, port, baud_rate, flow_control_mode, device_variation, is_invert_tx, is_invert_rx, is_invert_rts, is_invert_cts, send_handle, receive_handle, send_buffer_length, receive_buffer_length, 0);
+}
+
+Result uartPortSessionOpenPortForDevFwd(UartPortSession* s, bool *out, u32 port, u32 baud_rate, UartFlowControlMode flow_control_mode, u32 device_variation, bool is_invert_tx, bool is_invert_rx, bool is_invert_rts, bool is_invert_cts, Handle send_handle, Handle receive_handle, u64 send_buffer_length, u64 receive_buffer_length) {
+    return _uartPortSessionOpenPortFwd(s, out, port, baud_rate, flow_control_mode, device_variation, is_invert_tx, is_invert_rx, is_invert_rts, is_invert_cts, send_handle, receive_handle, send_buffer_length, receive_buffer_length, 1);
+}
+
+Result uartPortSessionBindPortEventFwd(UartPortSession* s, UartPortEventType port_event_type, s64 threshold, bool *out, Handle *handle_out) {
+    const struct {
+        u32 port_event_type;
+        u32 pad;
+        u64 threshold;
+    } in = { port_event_type, 0, threshold };
+
+    u8 tmp=0;
+    Result rc = serviceDispatchInOut(&s->s, 6, in, tmp,
+        .out_handle_attrs = { SfOutHandleAttr_HipcCopy },
+        .out_handles = handle_out,
+    );
+    if (R_SUCCEEDED(rc) && out) *out = tmp & 1;
+    return rc;
+}
+