Changeset a8c48241 in mainline for arch/ia64/src/ski

Timestamp:

2005-11-27T21:37:50Z (20 years ago)

Author:

Jakub Vana <jakub.vana@…>

Branches:

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

Children:

4a28943

Parents:

f4338d2

Message:

Keyboard support for ski (ia64 emulator)

File:

• arch/ia64/src/ski/ski.c (modified) (1 diff)

arch/ia64/src/ski/ski.c

@@ -65 +65 @@
         if (ch == '\n') ski_putchar('\r');
 }
+
+
+/** Display character on debug console
+ *
+ * Use SSC (Simulator System Call) to
+ * get character from debug console.
+ */
+__s32 ski_getchar(void)
+{
+        __u64 ch;
+        
+        __asm__ (
+                "mov r15=%0\n"
+                "break 0x80000;;\n"     /* modifies r8 */
+                "mov %1=r8;;\n"         
+
+                :
+                : "i" (SKI_GETCHAR), "r" (ch)
+                : "r15",  "r8"
+        );
+
+        return (__s32)ch;
+}