1 files changed, 58 insertions, 0 deletions
diff --git a/target/arm/common-semi-target.c b/target/arm/common-semi-target.c
new file mode 100644
index 0000000..2b77ce9
--- /dev/null
+++ b/target/arm/common-semi-target.c
@@ -0,0 +1,58 @@
+/*
+ * Target-specific parts of semihosting/arm-compat-semi.c.
+ *
+ * Copyright (c) 2005, 2007 CodeSourcery.
+ * Copyright (c) 2019, 2022 Linaro
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#include "qemu/osdep.h"
+#include "cpu.h"
+#include "semihosting/common-semi.h"
+#include "target/arm/cpu-qom.h"
+
+uint64_t common_semi_arg(CPUState *cs, int argno)
+{
+    ARMCPU *cpu = ARM_CPU(cs);
+    CPUARMState *env = &cpu->env;
+    if (is_a64(env)) {
+        return env->xregs[argno];
+    } else {
+        return env->regs[argno];
+    }
+}
+
+void common_semi_set_ret(CPUState *cs, uint64_t ret)
+{
+    ARMCPU *cpu = ARM_CPU(cs);
+    CPUARMState *env = &cpu->env;
+    if (is_a64(env)) {
+        env->xregs[0] = ret;
+    } else {
+        env->regs[0] = ret;
+    }
+}
+
+bool common_semi_sys_exit_is_extended(CPUState *cs)
+{
+    return is_a64(cpu_env(cs));
+}
+
+bool is_64bit_semihosting(CPUArchState *env)
+{
+    return is_a64(env);
+}
+
+uint64_t common_semi_stack_bottom(CPUState *cs)
+{
+    ARMCPU *cpu = ARM_CPU(cs);
+    CPUARMState *env = &cpu->env;
+    return is_a64(env) ? env->xregs[31] : env->regs[13];
+}
+
+bool common_semi_has_synccache(CPUArchState *env)
+{
+    /* Ok for A64, invalid for A32/T32 */
+    return is_a64(env);
+}