Changeset 9940ce0 in mainline for uspace/drv/char/ski-con/ski-con.c

Timestamp:

2017-11-26T01:03:40Z (6 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

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

Children:

5f4c41b2

Parents:

96258fc

Message:

Move sending side of Ski driver out of output server.

File:

• uspace/drv/char/ski-con/ski-con.c (modified) (4 diffs)

uspace/drv/char/ski-con/ski-con.c

@@ -43 +43 @@
 
 #define SKI_GETCHAR             21
+#define SKI_PUTCHAR             31
 
 #define POLL_INTERVAL           10000
@@ -57 +58 @@
         .write = ski_con_write
 };
+
+static void ski_con_putchar(ski_con_t *con, char ch); /* XXX */
 
 /** Add ski console device. */
@@ -88 +91 @@
                 goto error;
         }
+
+        ddf_fun_add_to_category(fun, "console");
 
         bound = true;
@@ -177 +182 @@
 }
 
+
+/** Display character on ski debug console
+ *
+ * Use SSC (Simulator System Call) to
+ * display character on debug console.
+ *
+ * @param c Character to be printed.
+ *
+ */
 static void ski_con_putchar(ski_con_t *con, char ch)
 {
-        
+#ifdef UARCH_ia64
+        asm volatile (
+                "mov r15 = %0\n"
+                "mov r32 = %1\n"   /* r32 is in0 */
+                "break 0x80000\n"  /* modifies r8 */
+                :
+                : "i" (SKI_PUTCHAR), "r" (ch)
+                : "r15", "in0", "r8"
+        );
+#else
+        (void) ch;
+#endif
+        if (ch == '\n')
+                ski_con_putchar(con, '\r');
 }