Initial import of qemu-2.4.1HEADmaster

1 files changed, 56 insertions, 0 deletions

diff --git a/target-microblaze/gdbstub.c b/target-microblaze/gdbstub.c
new file mode 100644
index 00000000..a70e2ee3
--- /dev/null
+++ b/target-microblaze/gdbstub.c
@@ -0,0 +1,56 @@
+/*
+ * MicroBlaze 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 mb_cpu_gdb_read_register(CPUState *cs, uint8_t *mem_buf, int n)
+{
+    MicroBlazeCPU *cpu = MICROBLAZE_CPU(cs);
+    CPUMBState *env = &cpu->env;
+
+    if (n < 32) {
+        return gdb_get_reg32(mem_buf, env->regs[n]);
+    } else {
+        return gdb_get_reg32(mem_buf, env->sregs[n - 32]);
+    }
+    return 0;
+}
+
+int mb_cpu_gdb_write_register(CPUState *cs, uint8_t *mem_buf, int n)
+{
+    MicroBlazeCPU *cpu = MICROBLAZE_CPU(cs);
+    CPUClass *cc = CPU_GET_CLASS(cs);
+    CPUMBState *env = &cpu->env;
+    uint32_t tmp;
+
+    if (n > cc->gdb_num_core_regs) {
+        return 0;
+    }
+
+    tmp = ldl_p(mem_buf);
+
+    if (n < 32) {
+        env->regs[n] = tmp;
+    } else {
+        env->sregs[n - 32] = tmp;
+    }
+    return 4;
+}