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-rw-r--r--qemu/linux-user/i386/target_cpu.h48
1 files changed, 48 insertions, 0 deletions
diff --git a/qemu/linux-user/i386/target_cpu.h b/qemu/linux-user/i386/target_cpu.h
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index 000000000..58f86454d
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+++ b/qemu/linux-user/i386/target_cpu.h
@@ -0,0 +1,48 @@
+/*
+ * i386 specific CPU ABI and functions for linux-user
+ *
+ * Copyright (c) 2003 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(CPUX86State *env, target_ulong newsp)
+{
+ if (newsp) {
+ env->regs[R_ESP] = newsp;
+ }
+ env->regs[R_EAX] = 0;
+}
+
+#if defined(TARGET_ABI32)
+abi_long do_set_thread_area(CPUX86State *env, abi_ulong ptr);
+
+static inline void cpu_set_tls(CPUX86State *env, target_ulong newtls)
+{
+ do_set_thread_area(env, newtls);
+ cpu_x86_load_seg(env, R_GS, env->segs[R_GS].selector);
+}
+#else
+abi_long do_arch_prctl(CPUX86State *env, int code, abi_ulong addr);
+
+static inline void cpu_set_tls(CPUX86State *env, target_ulong newtls)
+{
+ do_arch_prctl(env, TARGET_ARCH_SET_FS, newtls);
+}
+#endif /* defined(TARGET_ABI32) */
+
+#endif /* !defined(TARGET_CPU_H) */