summaryrefslogtreecommitdiffstats
path: root/qemu/target-arm/gdbstub64.c
diff options
context:
space:
mode:
authorYang Zhang <yang.z.zhang@intel.com>2015-08-28 09:58:54 +0800
committerYang Zhang <yang.z.zhang@intel.com>2015-09-01 12:44:00 +0800
commite44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch)
tree66b09f592c55df2878107a468a91d21506104d3f /qemu/target-arm/gdbstub64.c
parent9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff)
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5 Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/target-arm/gdbstub64.c')
-rw-r--r--qemu/target-arm/gdbstub64.c71
1 files changed, 71 insertions, 0 deletions
diff --git a/qemu/target-arm/gdbstub64.c b/qemu/target-arm/gdbstub64.c
new file mode 100644
index 000000000..8f3b8d177
--- /dev/null
+++ b/qemu/target-arm/gdbstub64.c
@@ -0,0 +1,71 @@
+/*
+ * ARM gdb server stub: AArch64 specific functions.
+ *
+ * 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 aarch64_cpu_gdb_read_register(CPUState *cs, uint8_t *mem_buf, int n)
+{
+ ARMCPU *cpu = ARM_CPU(cs);
+ CPUARMState *env = &cpu->env;
+
+ if (n < 31) {
+ /* Core integer register. */
+ return gdb_get_reg64(mem_buf, env->xregs[n]);
+ }
+ switch (n) {
+ case 31:
+ return gdb_get_reg64(mem_buf, env->xregs[31]);
+ case 32:
+ return gdb_get_reg64(mem_buf, env->pc);
+ case 33:
+ return gdb_get_reg32(mem_buf, pstate_read(env));
+ }
+ /* Unknown register. */
+ return 0;
+}
+
+int aarch64_cpu_gdb_write_register(CPUState *cs, uint8_t *mem_buf, int n)
+{
+ ARMCPU *cpu = ARM_CPU(cs);
+ CPUARMState *env = &cpu->env;
+ uint64_t tmp;
+
+ tmp = ldq_p(mem_buf);
+
+ if (n < 31) {
+ /* Core integer register. */
+ env->xregs[n] = tmp;
+ return 8;
+ }
+ switch (n) {
+ case 31:
+ env->xregs[31] = tmp;
+ return 8;
+ case 32:
+ env->pc = tmp;
+ return 8;
+ case 33:
+ /* CPSR */
+ pstate_write(env, tmp);
+ return 4;
+ }
+ /* Unknown register. */
+ return 0;
+}