From 3fb29066679e048cf3d3e59784af66b6823eaeeb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Herv=C3=A9=20Poussineau?= <hpoussin@reactos.org>
Date: Sun, 10 Jul 2022 13:41:18 +0200
Subject: [PATCH] [KDROSDBG] Return success in init and send functions, timeout
 in receive function

Also handle MANIPULATE messages by returning success.

The driver will handle some messages in a few commits.

CORE-10749
---
 drivers/base/kdrosdbg/CMakeLists.txt |  4 ++++
 drivers/base/kdrosdbg/kdrosdbg.c     | 22 ++++++++++++++++------
 2 files changed, 20 insertions(+), 6 deletions(-)

diff --git a/drivers/base/kdrosdbg/CMakeLists.txt b/drivers/base/kdrosdbg/CMakeLists.txt
index 845aabba9a5..03e07bf5f86 100644
--- a/drivers/base/kdrosdbg/CMakeLists.txt
+++ b/drivers/base/kdrosdbg/CMakeLists.txt
@@ -6,6 +6,10 @@ list(APPEND SOURCE
     kdrosdbg.rc
     ${CMAKE_CURRENT_BINARY_DIR}/kdcom.def)
 
+if(KDBG)
+    add_definitions(-DKDBG)
+endif()
+
 add_library(kdcom MODULE ${SOURCE})
 set_module_type(kdcom kerneldll ENTRYPOINT 0)
 add_importlibs(kdcom ntoskrnl hal)
diff --git a/drivers/base/kdrosdbg/kdrosdbg.c b/drivers/base/kdrosdbg/kdrosdbg.c
index e8cccf93cc1..e1068751484 100644
--- a/drivers/base/kdrosdbg/kdrosdbg.c
+++ b/drivers/base/kdrosdbg/kdrosdbg.c
@@ -30,7 +30,7 @@ NTAPI
 KdDebuggerInitialize0(
     IN PLOADER_PARAMETER_BLOCK LoaderBlock OPTIONAL)
 {
-    return STATUS_NOT_IMPLEMENTED;
+    return STATUS_SUCCESS;
 }
 
 /*
@@ -41,7 +41,7 @@ NTAPI
 KdDebuggerInitialize1(
     IN PLOADER_PARAMETER_BLOCK LoaderBlock OPTIONAL)
 {
-    return STATUS_NOT_IMPLEMENTED;
+    return STATUS_SUCCESS;
 }
 
 NTSTATUS
@@ -93,8 +93,6 @@ KdSendPacket(
     IN PSTRING MessageData,
     IN OUT PKD_CONTEXT Context)
 {
-    UNIMPLEMENTED;
-    return;
 }
 
 /*
@@ -109,8 +107,20 @@ KdReceivePacket(
     OUT PULONG DataLength,
     IN OUT PKD_CONTEXT Context)
 {
-    UNIMPLEMENTED;
-    return 0;
+#ifndef KDBG
+    if (PacketType == PACKET_TYPE_KD_STATE_MANIPULATE)
+    {
+        /* Let's say that everything went fine every time. */
+        PDBGKD_MANIPULATE_STATE64 ManipulateState = (PDBGKD_MANIPULATE_STATE64)MessageHeader->Buffer;
+        RtlZeroMemory(MessageHeader->Buffer, MessageHeader->MaximumLength);
+        ManipulateState->ApiNumber = DbgKdContinueApi;
+        ManipulateState->u.Continue.ContinueStatus = STATUS_SUCCESS;
+        MessageHeader->Length = sizeof(*ManipulateState);
+        return KdPacketReceived;
+    }
+#endif
+
+    return KdPacketTimedOut;
 }
 
 /* EOF */