Add qemu 2.4.0

[kvmfornfv.git] / qemu / target-arm / gdbstub64.c

diff --git a/qemu/target-arm/gdbstub64.c b/qemu/target-arm/gdbstub64.c
new file mode 100644 (file)
index 0000000..8f3b8d1
--- /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;
+}