RISC-V Linux User Emulation

Implementation of linux user emulation for RISC-V.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Sagar Karandikar <sagark@eecs.berkeley.edu>
Signed-off-by: Michael Clark <mjc@sifive.com>

1 files changed, 18 insertions, 0 deletions

diff --git a/linux-user/riscv/target_cpu.h b/linux-user/riscv/target_cpu.h
new file mode 100644
index 0000000000..c5549b1120
--- /dev/null
+++ b/linux-user/riscv/target_cpu.h
@@ -0,0 +1,18 @@
+#ifndef TARGET_CPU_H
+#define TARGET_CPU_H
+
+static inline void cpu_clone_regs(CPURISCVState *env, target_ulong newsp)
+{
+    if (newsp) {
+        env->gpr[xSP] = newsp;
+    }
+
+    env->gpr[xA0] = 0;
+}
+
+static inline void cpu_set_tls(CPURISCVState *env, target_ulong newtls)
+{
+    env->gpr[xTP] = newtls;
+}
+
+#endif