- refactored libsys

- added critical section
- added interrupt global enable/disable
- added console::getInstanveByName



git-svn-id: http://moon:8086/svn/mips@76 a8ebac50-d88d-4704-bea3-6648445a41b3

src/libsys/mips_ps2.c

@@ -396,17 +396,6 @@ static char __findkey(char scancode, int mode)
 #define ARROW_LEFT      (SPECIALKEY|EXTENDED|0x6b)
 #define ARROW_RIGHT     (SPECIALKEY|EXTENDED|0x74)
 
-static uint32_t readchar(ps2_if_t *pIF)
-{
-	if (!pIF)
-		return -1;
-
-	while (!(SYS_PS2_BIT_RX_AVAIL & *pIF->pCTRL));
-
-	return (*pIF->pDATA & 0xFF);
-
-}
-
 uint32_t con_readchar(ps2_if_t *pIF)
 {
 	uint8_t c;
@@ -417,7 +406,8 @@ uint32_t con_readchar(ps2_if_t *pIF)
 	int char_valid = 0;
 	uint8_t key;
 
-	key = readchar(pIF);
+	while (!(SYS_PS2_BIT_RX_AVAIL & *pIF->pCTRL));
+	key = *pIF->pDATA & 0xFF;
 
 	switch (key)
 	{