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authorPeter Maydell <peter.maydell@linaro.org>2016-12-21 21:11:47 +0000
committerPeter Maydell <peter.maydell@linaro.org>2016-12-21 21:11:48 +0000
commitd1e8e8ecc3d2a1a72504912d671f1cbbac1b06e5 (patch)
tree2b450d96b01455df8ed908bf8f26ddc388a03380 /target/m68k/gdbstub.c
parent82ecffa8c050bf5bbc13329e9b65eac1caa5b55c (diff)
parentfcf5ef2ab52c621a4617ebbef36bf43b4003f4c0 (diff)
downloadfocaccia-qemu-d1e8e8ecc3d2a1a72504912d671f1cbbac1b06e5.tar.gz
focaccia-qemu-d1e8e8ecc3d2a1a72504912d671f1cbbac1b06e5.zip
Merge remote-tracking branch 'remotes/huth/tags/target-dirs-20161220' into staging
Move target-xxx folders to target/ directory

# gpg: Signature made Tue 20 Dec 2016 21:00:39 GMT
# gpg:                using RSA key 0x2ED9D774FE702DB5
# gpg: Good signature from "Thomas Huth <th.huth@gmx.de>"
# gpg:                 aka "Thomas Huth <thuth@redhat.com>"
# gpg:                 aka "Thomas Huth <huth@tuxfamily.org>"
# Primary key fingerprint: 27B8 8847 EEE0 2501 18F3  EAB9 2ED9 D774 FE70 2DB5

* remotes/huth/tags/target-dirs-20161220:
  Move target-* CPU file into a target/ folder

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'target/m68k/gdbstub.c')
-rw-r--r--target/m68k/gdbstub.c76
1 files changed, 76 insertions, 0 deletions
diff --git a/target/m68k/gdbstub.c b/target/m68k/gdbstub.c
new file mode 100644
index 0000000000..c7f44c9bb3
--- /dev/null
+++ b/target/m68k/gdbstub.c
@@ -0,0 +1,76 @@
+/*
+ * 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 "qemu/osdep.h"
+#include "qemu-common.h"
+#include "cpu.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;
+}