[haiku-commits] r35650 - haiku/trunk/src/system/kernel/debug
- From: alex@xxxxxxxxxxxx
- To: haiku-commits@xxxxxxxxxxxxx
- Date: Sun, 28 Feb 2010 01:50:01 +0100 (CET)
Author: aldeck
Date: 2010-02-28 01:50:01 +0100 (Sun, 28 Feb 2010)
New Revision: 35650
Changeset: http://dev.haiku-os.org/changeset/35650/haiku
Modified:
haiku/trunk/src/system/kernel/debug/debug.cpp
Log:
* Add a serial_input command to the kernel debugger, allows using serial input
even when on-screen kdebug is enabled. Usefull for remote debugging. Please
review/adjust.
Modified: haiku/trunk/src/system/kernel/debug/debug.cpp
===================================================================
--- haiku/trunk/src/system/kernel/debug/debug.cpp 2010-02-28 00:47:27 UTC
(rev 35649)
+++ haiku/trunk/src/system/kernel/debug/debug.cpp 2010-02-28 00:50:01 UTC
(rev 35650)
@@ -82,6 +82,7 @@
static bool sBlueScreenEnabled = false;
// must always be false on startup
static bool sDebugScreenEnabled = false;
+static bool sSerialInputEnabled = false;
static bool sBlueScreenOutput = true;
static bool sEmergencyKeysEnabled = true;
static spinlock sSpinlock = B_SPINLOCK_INITIALIZER;
@@ -662,6 +663,9 @@
char
kgetc(void)
{
+ if (sSerialInputEnabled)
+ return arch_debug_serial_getchar();
+
// give the kernel debugger modules a chance first
for (uint32 i = 0; i < kMaxDebuggerModules; i++) {
if (sDebuggerModules[i] &&
sDebuggerModules[i]->debugger_getchar) {
@@ -997,6 +1001,16 @@
static int
+cmd_serial_input(int argc, char** argv)
+{
+ sSerialInputEnabled = !sSerialInputEnabled;
+ kprintf("Serial input is turned %s now.\n",
+ sSerialInputEnabled ? "on" : "off");
+ return 0;
+}
+
+
+static int
cmd_switch_cpu(int argc, char** argv)
{
if (argc > 2) {
@@ -1209,6 +1223,9 @@
"[-n]\nDumps the whole syslog buffer, or, if -n is specified,
only "
"the part that hasn't been sent yet.\n", 0);
+ add_debugger_command("serial_input", &cmd_serial_input,
+ "Enable or disable serial input");
+
return B_OK;
err2:
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