Changeset 5626277 in mainline for generic/src/ipc/sysipc.c

Timestamp:

2006-04-29T22:12:40Z (19 years ago)

Author:

Ondrej Palkovsky <ondrap@…>

Branches:

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

Children:

51a7dc1

Parents:

407862e

Message:

Added support for IRQ notifiactions.

• seems to work correctly on ia32, amd64
• the mips kbd probably lowers interrupts when the char is read from the port, we will have to find a way how to deal with it.

File:

• generic/src/ipc/sysipc.c (modified) (5 diffs)

generic/src/ipc/sysipc.c

@@ -37 +37 @@
 #include <ipc/sysipc.h>
 #include <ipc/ipcrsc.h>
-
+#include <arch/interrupt.h>
 
 #include <print.h>
@@ -275 +275 @@
         GET_CHECK_PHONE(phone, phoneid, return IPC_CALLRET_FATAL);
 
-        call = ipc_call_alloc();
+        call = ipc_call_alloc(0);
         IPC_SET_METHOD(call->data, method);
         IPC_SET_ARG1(call->data, arg1);
@@ -303 +303 @@
         GET_CHECK_PHONE(phone, phoneid, return IPC_CALLRET_FATAL);
 
-        call = ipc_call_alloc();
+        call = ipc_call_alloc(0);
         copy_from_uspace(&call->data.args, &data->args, sizeof(call->data.args));
         if (!(res=request_preprocess(call)))
@@ -442 +442 @@
                 return 0;
 
+        if (call->flags & IPC_CALL_NOTIF) {
+                ASSERT(! (call->flags & IPC_CALL_STATIC_ALLOC));
+                STRUCT_TO_USPACE(&calldata->args, &call->data.args);
+                ipc_call_free(call);
+                
+                return ((__native)call) | IPC_CALLID_NOTIFICATION;
+        }
+
         if (call->flags & IPC_CALL_ANSWERED) {
                 process_answer(call);
@@ -468 +476 @@
         return (__native)call;
 }
+
+/** Connect irq handler to task */
+__native sys_ipc_register_irq(__native irq)
+{
+        if (irq >= IRQ_COUNT)
+                return -ELIMIT;
+
+        irq_ipc_bind_arch(irq);
+        return ipc_irq_register(&TASK->answerbox, irq);
+}
+
+/* Disconnect irq handler from task */
+__native sys_ipc_unregister_irq(__native irq)
+{
+        if (irq >= IRQ_COUNT)
+                return -ELIMIT;
+
+        ipc_irq_unregister(&TASK->answerbox, irq);
+
+        return 0;
+}