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authorAlexander Graf <agraf@suse.de>2013-09-03 20:12:18 +0100
committerPeter Maydell <peter.maydell@linaro.org>2013-09-10 19:11:29 +0100
commite2cea499cc2e8da5b2d5753625d2c57685193783 (patch)
treed7a44b5bf0aa1d31d4747c8258da1ba739ba37e4
parent848d72cdd894e3a883118fd0f1ede14ff66bfa21 (diff)
downloadqemu-arm-e2cea499cc2e8da5b2d5753625d2c57685193783.tar.gz
linux-user: Implement cpu_set_tls() and cpu_clone_regs() for AArch64
Signed-off-by: Alexander Graf <agraf@suse.de> Signed-off-by: John Rigby <john.rigby@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 1378235544-22290-19-git-send-email-peter.maydell@linaro.org [PMM: pulled out from another patch; don't use is_a64() here; moved to linux-user from target-arm] Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
-rw-r--r--linux-user/aarch64/target_cpu.h35
1 files changed, 35 insertions, 0 deletions
diff --git a/linux-user/aarch64/target_cpu.h b/linux-user/aarch64/target_cpu.h
new file mode 100644
index 0000000000..6f5539b50f
--- /dev/null
+++ b/linux-user/aarch64/target_cpu.h
@@ -0,0 +1,35 @@
+/*
+ * ARM AArch64 specific CPU ABI and functions for linux-user
+ *
+ * Copyright (c) 2013 Alexander Graf <agraf@suse.de>
+ *
+ * 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/>.
+ */
+#ifndef TARGET_CPU_H
+#define TARGET_CPU_H
+
+static inline void cpu_clone_regs(CPUARMState *env, target_ulong newsp)
+{
+ if (newsp) {
+ env->xregs[31] = newsp;
+ }
+ env->xregs[0] = 0;
+}
+
+static inline void cpu_set_tls(CPUARMState *env, target_ulong newtls)
+{
+ env->sr.tpidr_el0 = newtls;
+}
+
+#endif