m1n1.fw.asc.oslog: Implement properly

Signed-off-by: Hector Martin <[email protected]>

Author: marcan

proxyclient/m1n1/fw/asc/oslog.py

@@ -5,26 +5,36 @@
 ## OSLog endpoint
 
 class OSLogMessage(Register64):
-    TYPE        = 63, 56
+    TYPE = 63, 56
 
-class OSLog_Init(OSLogMessage):
-    TYPE        = 63, 56, Constant(1)
-    UNK         = 51, 0
-
-class OSLog_Ack(OSLogMessage):
-    TYPE        = 63, 56, Constant(3)
+class OSLog_GetBuf(OSLogMessage):
+    TYPE = 63, 56, Constant(1)
+    SIZE = 55, 48
+    DVA = 47, 0
 
 class ASCOSLogEndpoint(ASCBaseEndpoint):
     BASE_MESSAGE = OSLogMessage
-    SHORT = "oslog"
+    SHORT = "iorep"
 
     def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)
-        self.started = False
+        self.iobuffer = None
+        self.iobuffer_dva = None
+
+    @msg_handler(1, OSLog_GetBuf)
+    def GetBuf(self, msg):
+        if self.iobuffer:
+            self.log("WARNING: trying to reset iobuffer!")
+
+
+        if msg.DVA != 0:
+            self.bufsize = 0x1000 * msg.SIZE
+            self.iobuffer = self.iobuffer_dva = msg.DVA << 12
+            self.log(f"buf prealloc {self.iobuffer:#x} / {self.iobuffer_dva:#x}")
+        else:
+            self.bufsize = align(0x1000 * msg.SIZE, 0x4000)
+            self.iobuffer, self.iobuffer_dva = self.asc.ioalloc(self.bufsize)
+            self.log(f"buf {self.iobuffer:#x} / {self.iobuffer_dva:#x}")
+            self.send(OSLog_GetBuf(DVA=self.iobuffer_dva >> 12, SIZE=self.bufsize // 0x1000))
 
-    @msg_handler(1, OSLog_Init)
-    def Init(self, msg):
-        self.log(f"oslog init: {msg.UNK:#x}")
-        self.send(OSLog_Ack())
-        self.started = True
         return True