Nice userspace wrappers for ps2kb driver

kernel/kprintf.h

@@ -7,7 +7,9 @@
 
 #define kprintf(fmt, ...) \
   do { \
+    spinlock_acquire(&TERM.spinlock); \
     printf_(fmt, ##__VA_ARGS__); \
+    spinlock_release(&TERM.spinlock); \
   } while(0)
 
 #define ksprintf    sprintf_

kernel/term/term.c

@@ -32,6 +32,7 @@ void term_doinit(void *addr) {
 
 void term_init(void *addr) {
   term_doinit(addr);
+  spinlock_init(&TERM.spinlock);
 }
 
 void term_write_unsafe(const char *s, size_t len) {

kernel/term/term.h

@@ -7,6 +7,7 @@
 
 typedef struct {
   struct flanterm_context *ftctx;
+  SpinLock spinlock;
 } Term;
 
 extern Term TERM;

ulib/Makefile

@@ -10,6 +10,7 @@ SRCFILES := $(call GRABSRC, \
 							string \
 							system \
 							printf \
+							devices \
 						)
 
 CFLAGS += -isystem $(ROOT)/share -isystem $(ROOT)/ulib -isystem $(ROOT)/std/include \

ulib/devices/ps2kb.c

@@ -0,0 +1,8 @@
+#include <stdint.h>
+
+#include <sysdefs/ipcpipe.h>
+#include <system/ipcpipe.h>
+
+int32_t dev_ps2kb_read(int32_t *ch) {
+  return ipcpipe(1, 0, IPCPIPE_READ, (uint8_t *)ch, sizeof(*ch));
+}

ulib/devices/ps2kb.h

@@ -0,0 +1,10 @@
+#ifndef ULIB_DEVICES_PS2KB_H_
+#define ULIB_DEVICES_PS2KB_H_
+
+#include <stdint.h>
+
+#define PS2KB_C(x) ((x) - '@')
+
+int32_t dev_ps2kb_read(int32_t *ch);
+
+#endif // ULIB_DEVICES_PS2KB_H_

user/init/main.c

@@ -7,6 +7,7 @@
 #include <ansiq/all.h>
 #include <sysdefs/ipcpipe.h>
 #include <system/ipcpipe.h>
+#include <devices/ps2kb.h>
 
 void main(void) {
   debugprint(ANSIQ_SCR_CLR_ALL);
@@ -28,10 +29,10 @@ void main(void) {
 
   while(1) {
     int32_t kbchar;
-    int32_t read = ipcpipe(1, 0, IPCPIPE_READ, (uint8_t *)&kbchar, sizeof(kbchar));
+    int32_t read = dev_ps2kb_read(&kbchar);
 
-    if (read > 0 && (kbchar >= 0x20 && kbchar <= 0x7F)) {
+    if (read > 0 && (kbchar >= 0x20 && kbchar <= 0x7F || kbchar == 0xA)) {
-      uprintf("%c", (char)kbchar);
+      uprintf("%c", kbchar & 0xFF);
       ipcpipe(3, 1, IPCPIPE_WRITE, (uint8_t *)&kbchar, 1);
     }
   }