Changeset b366a6f4 in mainline for uspace/srv

Timestamp:

2011-06-24T15:58:01Z (14 years ago)

Author:

Martin Decky <martin@…>

Branches:

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

Children:

7250d2c

Parents:

ee2fa30a

Message:

automatic kernel console lockout

• kernel automatically relinquishes the access to the kernel console when the uspace maps the respective physical memory area
• kernel output before uspace initialization is currently broken on Ski (no physical memory area), but this is pending further unification
• kernel console devices are now independent (there is no system-wide "silent" variable), thus on multiple devices the kernel console and uspace output might be usable at the same time

File:

• uspace/srv/hid/console/console.c (modified) (3 diffs)

uspace/srv/hid/console/console.c

@@ -357 +357 @@
                 console_serialize_end();
                 
-                if (__SYSCALL0(SYS_DEBUG_ENABLE_CONSOLE)) {
+                if (console_kcon()) {
                         prev_console = active_console;
                         active_console = kernel_console;
@@ -711 +711 @@
                         console_serialize_start();
                         continue;
-                case CONSOLE_KCON_ENABLE:
-                        change_console(kernel_console);
-                        break;
                 }
                 async_answer_3(callid, EOK, arg1, arg2, arg3);
@@ -833 +830 @@
         }
         
-        /* Disable kernel output to the console */
-        __SYSCALL0(SYS_DEBUG_DISABLE_CONSOLE);
-        
         /* Initialize the screen */
         console_serialize_start();