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-rw-r--r--qemu/linux-user/sparc/target_cpu.h44
1 files changed, 44 insertions, 0 deletions
diff --git a/qemu/linux-user/sparc/target_cpu.h b/qemu/linux-user/sparc/target_cpu.h
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+++ b/qemu/linux-user/sparc/target_cpu.h
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+/*
+ * SPARC specific CPU ABI and functions for linux-user
+ *
+ * Copyright (C) 2003 Thomas M. Ogrisegg <tom@fnord.at>
+ * Copyright (C) 2003-2005 Fabrice Bellard
+ *
+ * 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(CPUSPARCState *env, target_ulong newsp)
+{
+ if (newsp) {
+ env->regwptr[22] = newsp;
+ }
+ /* syscall return for clone child: 0, and clear CF since
+ * this counts as a success return value.
+ */
+ env->regwptr[0] = 0;
+#if defined(TARGET_SPARC64) && !defined(TARGET_ABI32)
+ env->xcc &= ~PSR_CARRY;
+#else
+ env->psr &= ~PSR_CARRY;
+#endif
+}
+
+static inline void cpu_set_tls(CPUSPARCState *env, target_ulong newtls)
+{
+ env->gregs[7] = newtls;
+}
+
+#endif