Initial import of qemu-2.4.1HEADmaster

1 files changed, 75 insertions, 0 deletions

diff --git a/target-m68k/gdbstub.c b/target-m68k/gdbstub.c
new file mode 100644
index 00000000..ae8179c0
--- /dev/null
+++ b/target-m68k/gdbstub.c
@@ -0,0 +1,75 @@
+/*
+ * m68k gdb server stub
+ *
+ * Copyright (c) 2003-2005 Fabrice Bellard
+ * Copyright (c) 2013 SUSE LINUX Products GmbH
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>.
+ */
+#include "config.h"
+#include "qemu-common.h"
+#include "exec/gdbstub.h"
+
+int m68k_cpu_gdb_read_register(CPUState *cs, uint8_t *mem_buf, int n)
+{
+    M68kCPU *cpu = M68K_CPU(cs);
+    CPUM68KState *env = &cpu->env;
+
+    if (n < 8) {
+        /* D0-D7 */
+        return gdb_get_reg32(mem_buf, env->dregs[n]);
+    } else if (n < 16) {
+        /* A0-A7 */
+        return gdb_get_reg32(mem_buf, env->aregs[n - 8]);
+    } else {
+        switch (n) {
+        case 16:
+            return gdb_get_reg32(mem_buf, env->sr);
+        case 17:
+            return gdb_get_reg32(mem_buf, env->pc);
+        }
+    }
+    /* FP registers not included here because they vary between
+       ColdFire and m68k.  Use XML bits for these.  */
+    return 0;
+}
+
+int m68k_cpu_gdb_write_register(CPUState *cs, uint8_t *mem_buf, int n)
+{
+    M68kCPU *cpu = M68K_CPU(cs);
+    CPUM68KState *env = &cpu->env;
+    uint32_t tmp;
+
+    tmp = ldl_p(mem_buf);
+
+    if (n < 8) {
+        /* D0-D7 */
+        env->dregs[n] = tmp;
+    } else if (n < 16) {
+        /* A0-A7 */
+        env->aregs[n - 8] = tmp;
+    } else {
+        switch (n) {
+        case 16:
+            env->sr = tmp;
+            break;
+        case 17:
+            env->pc = tmp;
+            break;
+        default:
+            return 0;
+        }
+    }
+    return 4;
+}