+/*
+ * 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/>.
+ */
+
+static int cpu_gdb_read_register(CPUMBState *env, uint8_t *mem_buf, int n)
+{
+ if (n < 32) {
+ GET_REG32(env->regs[n]);
+ } else {
+ GET_REG32(env->sregs[n - 32]);
+ }
+ return 0;
+}
+
+static int cpu_gdb_write_register(CPUMBState *env, uint8_t *mem_buf, int n)
+{
+ MicroBlazeCPU *cpu = mb_env_get_cpu(env);
+ CPUClass *cc = CPU_GET_CLASS(cpu);
+ 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;
+}