Changeset 13dbaa8c in mainline for kernel/generic/src/ipc/ops/debug.c

Timestamp:

2012-08-21T21:37:54Z (12 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

b1e6269

Parents:

1b186ed

Message:

Factor out dealing with call→buffer from process_answer() to
respective IPC_M_CONNECT_ME_TO and IPC_M_DEBUG ops routines.

File:

• kernel/generic/src/ipc/ops/debug.c (modified) (2 diffs)

kernel/generic/src/ipc/ops/debug.c

@@ -36 +36 @@
 #include <ipc/ipc.h>
 #include <udebug/udebug_ipc.h>
+#include <syscall/copy.h>
+#include <abi/errno.h>
 
 static int request_process(call_t *call, answerbox_t *box)
 {
         return -1;
+}
+
+static int answer_process(call_t *answer)
+{
+        if (answer->buffer) {
+                uintptr_t dst = IPC_GET_ARG1(answer->data);
+                size_t size = IPC_GET_ARG2(answer->data);
+                int rc;
+
+                rc = copy_to_uspace((void *) dst, answer->buffer, size);
+                if (rc)
+                        IPC_SET_RETVAL(answer->data, rc);
+        }
+
+        return EOK;
 }
 
@@ -50 +67 @@
         .request_process = request_process,
         .answer_preprocess = null_answer_preprocess,
-        .answer_process = null_answer_process,
+        .answer_process = answer_process,
 };