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authorLaurent Vivier <laurent@vivier.eu>2018-04-11 20:56:33 +0200
committerLaurent Vivier <laurent@vivier.eu>2018-04-30 09:47:55 +0200
commitcd71c0896454d75e23518bbcec76abdf3cfa0772 (patch)
treedada99c8fdf6a90833d9013883412f422613fc4e
parentcb6ac802efea73605288f5d18e28611cbc97d9d2 (diff)
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linux-user: create a dummy per arch cpu_loop.c
Create a cpu_loop-common.h for future use by these new files and use it in the existing main.c Introduce target_cpu_copy_regs(): declare the function in cpu_loop-common.h and an empty function for each target, to move all the cpu_loop prologues to this function. Signed-off-by: Laurent Vivier <laurent@vivier.eu> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20180411185651.21351-2-laurent@vivier.eu>
-rw-r--r--linux-user/Makefile.objs3
-rw-r--r--linux-user/aarch64/cpu_loop.c26
-rw-r--r--linux-user/alpha/cpu_loop.c26
-rw-r--r--linux-user/arm/cpu_loop.c26
-rw-r--r--linux-user/cpu_loop-common.h37
-rw-r--r--linux-user/cris/cpu_loop.c26
-rw-r--r--linux-user/hppa/cpu_loop.c26
-rw-r--r--linux-user/i386/cpu_loop.c26
-rw-r--r--linux-user/m68k/cpu_loop.c26
-rw-r--r--linux-user/main.c17
-rw-r--r--linux-user/microblaze/cpu_loop.c26
-rw-r--r--linux-user/mips/cpu_loop.c26
-rw-r--r--linux-user/mips64/cpu_loop.c26
-rw-r--r--linux-user/nios2/cpu_loop.c26
-rw-r--r--linux-user/openrisc/cpu_loop.c26
-rw-r--r--linux-user/ppc/cpu_loop.c26
-rw-r--r--linux-user/riscv/cpu_loop.c26
-rw-r--r--linux-user/s390x/cpu_loop.c26
-rw-r--r--linux-user/sh4/cpu_loop.c26
-rw-r--r--linux-user/sparc/cpu_loop.c26
-rw-r--r--linux-user/sparc64/cpu_loop.c26
-rw-r--r--linux-user/tilegx/cpu_loop.c26
-rw-r--r--linux-user/x86_64/cpu_loop.c26
-rw-r--r--linux-user/xtensa/cpu_loop.c26
24 files changed, 588 insertions, 15 deletions
diff --git a/linux-user/Makefile.objs b/linux-user/Makefile.objs
index 811a7f5..59a5c17 100644
--- a/linux-user/Makefile.objs
+++ b/linux-user/Makefile.objs
@@ -1,6 +1,7 @@
obj-y = main.o syscall.o strace.o mmap.o signal.o \
elfload.o linuxload.o uaccess.o uname.o \
- safe-syscall.o $(TARGET_ABI_DIR)/signal.o
+ safe-syscall.o $(TARGET_ABI_DIR)/signal.o \
+ $(TARGET_ABI_DIR)/cpu_loop.o
obj-$(TARGET_HAS_BFLT) += flatload.o
obj-$(TARGET_I386) += vm86.o
diff --git a/linux-user/aarch64/cpu_loop.c b/linux-user/aarch64/cpu_loop.c
new file mode 100644
index 0000000..b7700a5
--- /dev/null
+++ b/linux-user/aarch64/cpu_loop.c
@@ -0,0 +1,26 @@
+/*
+ * qemu user cpu loop
+ *
+ * Copyright (c) 2003-2008 Fabrice Bellard
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "qemu/osdep.h"
+#include "qemu.h"
+#include "cpu_loop-common.h"
+
+void target_cpu_copy_regs(CPUArchState *env, struct target_pt_regs *regs)
+{
+}
diff --git a/linux-user/alpha/cpu_loop.c b/linux-user/alpha/cpu_loop.c
new file mode 100644
index 0000000..b7700a5
--- /dev/null
+++ b/linux-user/alpha/cpu_loop.c
@@ -0,0 +1,26 @@
+/*
+ * qemu user cpu loop
+ *
+ * Copyright (c) 2003-2008 Fabrice Bellard
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "qemu/osdep.h"
+#include "qemu.h"
+#include "cpu_loop-common.h"
+
+void target_cpu_copy_regs(CPUArchState *env, struct target_pt_regs *regs)
+{
+}
diff --git a/linux-user/arm/cpu_loop.c b/linux-user/arm/cpu_loop.c
new file mode 100644
index 0000000..b7700a5
--- /dev/null
+++ b/linux-user/arm/cpu_loop.c
@@ -0,0 +1,26 @@
+/*
+ * qemu user cpu loop
+ *
+ * Copyright (c) 2003-2008 Fabrice Bellard
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "qemu/osdep.h"
+#include "qemu.h"
+#include "cpu_loop-common.h"
+
+void target_cpu_copy_regs(CPUArchState *env, struct target_pt_regs *regs)
+{
+}
diff --git a/linux-user/cpu_loop-common.h b/linux-user/cpu_loop-common.h
new file mode 100644
index 0000000..ffe3fe9
--- /dev/null
+++ b/linux-user/cpu_loop-common.h
@@ -0,0 +1,37 @@
+/*
+ * qemu user cpu loop
+ *
+ * Copyright (c) 2003-2008 Fabrice Bellard
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef CPU_LOOP_COMMON_H
+#define CPU_LOOP_COMMON_H
+
+#include "exec/log.h"
+
+#define EXCP_DUMP(env, fmt, ...) \
+do { \
+ CPUState *cs = ENV_GET_CPU(env); \
+ fprintf(stderr, fmt , ## __VA_ARGS__); \
+ cpu_dump_state(cs, stderr, fprintf, 0); \
+ if (qemu_log_separate()) { \
+ qemu_log(fmt, ## __VA_ARGS__); \
+ log_cpu_state(cs, 0); \
+ } \
+} while (0)
+
+void target_cpu_copy_regs(CPUArchState *env, struct target_pt_regs *regs);
+#endif
diff --git a/linux-user/cris/cpu_loop.c b/linux-user/cris/cpu_loop.c
new file mode 100644
index 0000000..b7700a5
--- /dev/null
+++ b/linux-user/cris/cpu_loop.c
@@ -0,0 +1,26 @@
+/*
+ * qemu user cpu loop
+ *
+ * Copyright (c) 2003-2008 Fabrice Bellard
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "qemu/osdep.h"
+#include "qemu.h"
+#include "cpu_loop-common.h"
+
+void target_cpu_copy_regs(CPUArchState *env, struct target_pt_regs *regs)
+{
+}
diff --git a/linux-user/hppa/cpu_loop.c b/linux-user/hppa/cpu_loop.c
new file mode 100644
index 0000000..b7700a5
--- /dev/null
+++ b/linux-user/hppa/cpu_loop.c
@@ -0,0 +1,26 @@
+/*
+ * qemu user cpu loop
+ *
+ * Copyright (c) 2003-2008 Fabrice Bellard
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "qemu/osdep.h"
+#include "qemu.h"
+#include "cpu_loop-common.h"
+
+void target_cpu_copy_regs(CPUArchState *env, struct target_pt_regs *regs)
+{
+}
diff --git a/linux-user/i386/cpu_loop.c b/linux-user/i386/cpu_loop.c
new file mode 100644
index 0000000..b7700a5
--- /dev/null
+++ b/linux-user/i386/cpu_loop.c
@@ -0,0 +1,26 @@
+/*
+ * qemu user cpu loop
+ *
+ * Copyright (c) 2003-2008 Fabrice Bellard
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "qemu/osdep.h"
+#include "qemu.h"
+#include "cpu_loop-common.h"
+
+void target_cpu_copy_regs(CPUArchState *env, struct target_pt_regs *regs)
+{
+}
diff --git a/linux-user/m68k/cpu_loop.c b/linux-user/m68k/cpu_loop.c
new file mode 100644
index 0000000..b7700a5
--- /dev/null
+++ b/linux-user/m68k/cpu_loop.c
@@ -0,0 +1,26 @@
+/*
+ * qemu user cpu loop
+ *
+ * Copyright (c) 2003-2008 Fabrice Bellard
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "qemu/osdep.h"
+#include "qemu.h"
+#include "cpu_loop-common.h"
+
+void target_cpu_copy_regs(CPUArchState *env, struct target_pt_regs *regs)
+{
+}
diff --git a/linux-user/main.c b/linux-user/main.c
index 8907a84..09045f8 100644
--- a/linux-user/main.c
+++ b/linux-user/main.c
@@ -33,9 +33,9 @@
#include "qemu/timer.h"
#include "qemu/envlist.h"
#include "elf.h"
-#include "exec/log.h"
#include "trace/control.h"
#include "target_elf.h"
+#include "cpu_loop-common.h"
char *exec_path;
@@ -50,17 +50,6 @@ unsigned long mmap_min_addr;
unsigned long guest_base;
int have_guest_base;
-#define EXCP_DUMP(env, fmt, ...) \
-do { \
- CPUState *cs = ENV_GET_CPU(env); \
- fprintf(stderr, fmt , ## __VA_ARGS__); \
- cpu_dump_state(cs, stderr, fprintf, 0); \
- if (qemu_log_separate()) { \
- qemu_log(fmt, ## __VA_ARGS__); \
- log_cpu_state(cs, 0); \
- } \
-} while (0)
-
/*
* When running 32-on-64 we should make sure we can fit all of the possible
* guest address space into a contiguous chunk of virtual host memory.
@@ -4736,6 +4725,8 @@ int main(int argc, char **argv, char **envp)
tcg_prologue_init(tcg_ctx);
tcg_region_init();
+ target_cpu_copy_regs(env, regs);
+
#if defined(TARGET_I386)
env->cr[0] = CR0_PG_MASK | CR0_WP_MASK | CR0_PE_MASK;
env->hflags |= HF_PE_MASK | HF_CPL_MASK;
@@ -5125,8 +5116,6 @@ int main(int argc, char **argv, char **envp)
env->sregs[WINDOW_START] = regs->windowstart;
env->pc = regs->pc;
}
-#else
-#error unsupported target CPU
#endif
#if defined(TARGET_ARM) || defined(TARGET_M68K)
diff --git a/linux-user/microblaze/cpu_loop.c b/linux-user/microblaze/cpu_loop.c
new file mode 100644
index 0000000..b7700a5
--- /dev/null
+++ b/linux-user/microblaze/cpu_loop.c
@@ -0,0 +1,26 @@
+/*
+ * qemu user cpu loop
+ *
+ * Copyright (c) 2003-2008 Fabrice Bellard
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "qemu/osdep.h"
+#include "qemu.h"
+#include "cpu_loop-common.h"
+
+void target_cpu_copy_regs(CPUArchState *env, struct target_pt_regs *regs)
+{
+}
diff --git a/linux-user/mips/cpu_loop.c b/linux-user/mips/cpu_loop.c
new file mode 100644
index 0000000..b7700a5
--- /dev/null
+++ b/linux-user/mips/cpu_loop.c
@@ -0,0 +1,26 @@
+/*
+ * qemu user cpu loop
+ *
+ * Copyright (c) 2003-2008 Fabrice Bellard
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "qemu/osdep.h"
+#include "qemu.h"
+#include "cpu_loop-common.h"
+
+void target_cpu_copy_regs(CPUArchState *env, struct target_pt_regs *regs)
+{
+}
diff --git a/linux-user/mips64/cpu_loop.c b/linux-user/mips64/cpu_loop.c
new file mode 100644
index 0000000..b7700a5
--- /dev/null
+++ b/linux-user/mips64/cpu_loop.c
@@ -0,0 +1,26 @@
+/*
+ * qemu user cpu loop
+ *
+ * Copyright (c) 2003-2008 Fabrice Bellard
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "qemu/osdep.h"
+#include "qemu.h"
+#include "cpu_loop-common.h"
+
+void target_cpu_copy_regs(CPUArchState *env, struct target_pt_regs *regs)
+{
+}
diff --git a/linux-user/nios2/cpu_loop.c b/linux-user/nios2/cpu_loop.c
new file mode 100644
index 0000000..b7700a5
--- /dev/null
+++ b/linux-user/nios2/cpu_loop.c
@@ -0,0 +1,26 @@
+/*
+ * qemu user cpu loop
+ *
+ * Copyright (c) 2003-2008 Fabrice Bellard
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "qemu/osdep.h"
+#include "qemu.h"
+#include "cpu_loop-common.h"
+
+void target_cpu_copy_regs(CPUArchState *env, struct target_pt_regs *regs)
+{
+}
diff --git a/linux-user/openrisc/cpu_loop.c b/linux-user/openrisc/cpu_loop.c
new file mode 100644
index 0000000..b7700a5
--- /dev/null
+++ b/linux-user/openrisc/cpu_loop.c
@@ -0,0 +1,26 @@
+/*
+ * qemu user cpu loop
+ *
+ * Copyright (c) 2003-2008 Fabrice Bellard
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "qemu/osdep.h"
+#include "qemu.h"
+#include "cpu_loop-common.h"
+
+void target_cpu_copy_regs(CPUArchState *env, struct target_pt_regs *regs)
+{
+}
diff --git a/linux-user/ppc/cpu_loop.c b/linux-user/ppc/cpu_loop.c
new file mode 100644
index 0000000..b7700a5
--- /dev/null
+++ b/linux-user/ppc/cpu_loop.c
@@ -0,0 +1,26 @@
+/*
+ * qemu user cpu loop
+ *
+ * Copyright (c) 2003-2008 Fabrice Bellard
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "qemu/osdep.h"
+#include "qemu.h"
+#include "cpu_loop-common.h"
+
+void target_cpu_copy_regs(CPUArchState *env, struct target_pt_regs *regs)
+{
+}
diff --git a/linux-user/riscv/cpu_loop.c b/linux-user/riscv/cpu_loop.c
new file mode 100644
index 0000000..b7700a5
--- /dev/null
+++ b/linux-user/riscv/cpu_loop.c
@@ -0,0 +1,26 @@
+/*
+ * qemu user cpu loop
+ *
+ * Copyright (c) 2003-2008 Fabrice Bellard
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "qemu/osdep.h"
+#include "qemu.h"
+#include "cpu_loop-common.h"
+
+void target_cpu_copy_regs(CPUArchState *env, struct target_pt_regs *regs)
+{
+}
diff --git a/linux-user/s390x/cpu_loop.c b/linux-user/s390x/cpu_loop.c
new file mode 100644
index 0000000..b7700a5
--- /dev/null
+++ b/linux-user/s390x/cpu_loop.c
@@ -0,0 +1,26 @@
+/*
+ * qemu user cpu loop
+ *
+ * Copyright (c) 2003-2008 Fabrice Bellard
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "qemu/osdep.h"
+#include "qemu.h"
+#include "cpu_loop-common.h"
+
+void target_cpu_copy_regs(CPUArchState *env, struct target_pt_regs *regs)
+{
+}
diff --git a/linux-user/sh4/cpu_loop.c b/linux-user/sh4/cpu_loop.c
new file mode 100644
index 0000000..b7700a5
--- /dev/null
+++ b/linux-user/sh4/cpu_loop.c
@@ -0,0 +1,26 @@
+/*
+ * qemu user cpu loop
+ *
+ * Copyright (c) 2003-2008 Fabrice Bellard
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "qemu/osdep.h"
+#include "qemu.h"
+#include "cpu_loop-common.h"
+
+void target_cpu_copy_regs(CPUArchState *env, struct target_pt_regs *regs)
+{
+}
diff --git a/linux-user/sparc/cpu_loop.c b/linux-user/sparc/cpu_loop.c
new file mode 100644
index 0000000..b7700a5
--- /dev/null
+++ b/linux-user/sparc/cpu_loop.c
@@ -0,0 +1,26 @@
+/*
+ * qemu user cpu loop
+ *
+ * Copyright (c) 2003-2008 Fabrice Bellard
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "qemu/osdep.h"
+#include "qemu.h"
+#include "cpu_loop-common.h"
+
+void target_cpu_copy_regs(CPUArchState *env, struct target_pt_regs *regs)
+{
+}
diff --git a/linux-user/sparc64/cpu_loop.c b/linux-user/sparc64/cpu_loop.c
new file mode 100644
index 0000000..b7700a5
--- /dev/null
+++ b/linux-user/sparc64/cpu_loop.c
@@ -0,0 +1,26 @@
+/*
+ * qemu user cpu loop
+ *
+ * Copyright (c) 2003-2008 Fabrice Bellard
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "qemu/osdep.h"
+#include "qemu.h"
+#include "cpu_loop-common.h"
+
+void target_cpu_copy_regs(CPUArchState *env, struct target_pt_regs *regs)
+{
+}
diff --git a/linux-user/tilegx/cpu_loop.c b/linux-user/tilegx/cpu_loop.c
new file mode 100644
index 0000000..b7700a5
--- /dev/null
+++ b/linux-user/tilegx/cpu_loop.c
@@ -0,0 +1,26 @@
+/*
+ * qemu user cpu loop
+ *
+ * Copyright (c) 2003-2008 Fabrice Bellard
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "qemu/osdep.h"
+#include "qemu.h"
+#include "cpu_loop-common.h"
+
+void target_cpu_copy_regs(CPUArchState *env, struct target_pt_regs *regs)
+{
+}
diff --git a/linux-user/x86_64/cpu_loop.c b/linux-user/x86_64/cpu_loop.c
new file mode 100644
index 0000000..b7700a5
--- /dev/null
+++ b/linux-user/x86_64/cpu_loop.c
@@ -0,0 +1,26 @@
+/*
+ * qemu user cpu loop
+ *
+ * Copyright (c) 2003-2008 Fabrice Bellard
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "qemu/osdep.h"
+#include "qemu.h"
+#include "cpu_loop-common.h"
+
+void target_cpu_copy_regs(CPUArchState *env, struct target_pt_regs *regs)
+{
+}
diff --git a/linux-user/xtensa/cpu_loop.c b/linux-user/xtensa/cpu_loop.c
new file mode 100644
index 0000000..b7700a5
--- /dev/null
+++ b/linux-user/xtensa/cpu_loop.c
@@ -0,0 +1,26 @@
+/*
+ * qemu user cpu loop
+ *
+ * Copyright (c) 2003-2008 Fabrice Bellard
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "qemu/osdep.h"
+#include "qemu.h"
+#include "cpu_loop-common.h"
+
+void target_cpu_copy_regs(CPUArchState *env, struct target_pt_regs *regs)
+{
+}