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authorPeter Maydell <peter.maydell@linaro.org>2016-06-13 11:57:18 +0100
committerRiku Voipio <riku.voipio@linaro.org>2016-06-26 13:17:21 +0300
commitba4537805da7023ae48cef0cdc06e6724156c596 (patch)
tree9576257834a4ebb1482ce5fe346ddf08a82d86c1 /linux-user/host
parentc5679026d5748f4f41f1e18a70b35927619d2248 (diff)
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linux-user: Create a hostdep.h for each host architecture
In commit 4d330cee37a21 a new hostdep.h file was added, with the intent that host architectures which needed one could provide it, and the build system would automatically fall back to a generic version if there was no version for the host architecture. Although this works, it has a flaw: if a subsequent commit switches an architecture from "uses generic/hostdep.h" to "uses its own hostdep.h" nothing in the makefile dependencies notices this and so doing a rebuild without a manual 'make clean' will fail. So we drop the idea of having a 'generic' version in favour of every architecture we support having its own hostdep.h, even if it doesn't have anything in it. (There are only thirteen of these.) If the dependency files claim that an object file depends on a nonexistent file, our dependency system means that make will rebuild the object file, and regenerate the dependencies in the process. So moving between trees prior to this commit and trees after this commit works without requiring a 'make clean'. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Laurent Vivier <laurent@vivier.eu> Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
Diffstat (limited to 'linux-user/host')
-rw-r--r--linux-user/host/aarch64/hostdep.h (renamed from linux-user/host/generic/hostdep.h)7
-rw-r--r--linux-user/host/arm/hostdep.h15
-rw-r--r--linux-user/host/i386/hostdep.h15
-rw-r--r--linux-user/host/ia64/hostdep.h15
-rw-r--r--linux-user/host/mips/hostdep.h15
-rw-r--r--linux-user/host/ppc/hostdep.h15
-rw-r--r--linux-user/host/ppc64/hostdep.h15
-rw-r--r--linux-user/host/s390/hostdep.h15
-rw-r--r--linux-user/host/s390x/hostdep.h15
-rw-r--r--linux-user/host/sparc/hostdep.h15
-rw-r--r--linux-user/host/sparc64/hostdep.h15
-rw-r--r--linux-user/host/x32/hostdep.h15
12 files changed, 166 insertions, 6 deletions
diff --git a/linux-user/host/generic/hostdep.h b/linux-user/host/aarch64/hostdep.h
index cfabc35..7609bf5 100644
--- a/linux-user/host/generic/hostdep.h
+++ b/linux-user/host/aarch64/hostdep.h
@@ -1,6 +1,5 @@
/*
- * hostdep.h : fallback generic version of header for things
- * which are dependent on the host architecture
+ * hostdep.h : things which are dependent on the host architecture
*
* * Written by Peter Maydell <peter.maydell@linaro.org>
*
@@ -13,8 +12,4 @@
#ifndef QEMU_HOSTDEP_H
#define QEMU_HOSTDEP_H
-/* This is the fallback header which is only used if the host
- * architecture doesn't provide one in linux-user/host/$ARCH.
- */
-
#endif
diff --git a/linux-user/host/arm/hostdep.h b/linux-user/host/arm/hostdep.h
new file mode 100644
index 0000000..7609bf5
--- /dev/null
+++ b/linux-user/host/arm/hostdep.h
@@ -0,0 +1,15 @@
+/*
+ * hostdep.h : things which are dependent on the host architecture
+ *
+ * * Written by Peter Maydell <peter.maydell@linaro.org>
+ *
+ * Copyright (C) 2016 Linaro Limited
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
+#ifndef QEMU_HOSTDEP_H
+#define QEMU_HOSTDEP_H
+
+#endif
diff --git a/linux-user/host/i386/hostdep.h b/linux-user/host/i386/hostdep.h
new file mode 100644
index 0000000..7609bf5
--- /dev/null
+++ b/linux-user/host/i386/hostdep.h
@@ -0,0 +1,15 @@
+/*
+ * hostdep.h : things which are dependent on the host architecture
+ *
+ * * Written by Peter Maydell <peter.maydell@linaro.org>
+ *
+ * Copyright (C) 2016 Linaro Limited
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
+#ifndef QEMU_HOSTDEP_H
+#define QEMU_HOSTDEP_H
+
+#endif
diff --git a/linux-user/host/ia64/hostdep.h b/linux-user/host/ia64/hostdep.h
new file mode 100644
index 0000000..7609bf5
--- /dev/null
+++ b/linux-user/host/ia64/hostdep.h
@@ -0,0 +1,15 @@
+/*
+ * hostdep.h : things which are dependent on the host architecture
+ *
+ * * Written by Peter Maydell <peter.maydell@linaro.org>
+ *
+ * Copyright (C) 2016 Linaro Limited
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
+#ifndef QEMU_HOSTDEP_H
+#define QEMU_HOSTDEP_H
+
+#endif
diff --git a/linux-user/host/mips/hostdep.h b/linux-user/host/mips/hostdep.h
new file mode 100644
index 0000000..7609bf5
--- /dev/null
+++ b/linux-user/host/mips/hostdep.h
@@ -0,0 +1,15 @@
+/*
+ * hostdep.h : things which are dependent on the host architecture
+ *
+ * * Written by Peter Maydell <peter.maydell@linaro.org>
+ *
+ * Copyright (C) 2016 Linaro Limited
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
+#ifndef QEMU_HOSTDEP_H
+#define QEMU_HOSTDEP_H
+
+#endif
diff --git a/linux-user/host/ppc/hostdep.h b/linux-user/host/ppc/hostdep.h
new file mode 100644
index 0000000..7609bf5
--- /dev/null
+++ b/linux-user/host/ppc/hostdep.h
@@ -0,0 +1,15 @@
+/*
+ * hostdep.h : things which are dependent on the host architecture
+ *
+ * * Written by Peter Maydell <peter.maydell@linaro.org>
+ *
+ * Copyright (C) 2016 Linaro Limited
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
+#ifndef QEMU_HOSTDEP_H
+#define QEMU_HOSTDEP_H
+
+#endif
diff --git a/linux-user/host/ppc64/hostdep.h b/linux-user/host/ppc64/hostdep.h
new file mode 100644
index 0000000..7609bf5
--- /dev/null
+++ b/linux-user/host/ppc64/hostdep.h
@@ -0,0 +1,15 @@
+/*
+ * hostdep.h : things which are dependent on the host architecture
+ *
+ * * Written by Peter Maydell <peter.maydell@linaro.org>
+ *
+ * Copyright (C) 2016 Linaro Limited
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
+#ifndef QEMU_HOSTDEP_H
+#define QEMU_HOSTDEP_H
+
+#endif
diff --git a/linux-user/host/s390/hostdep.h b/linux-user/host/s390/hostdep.h
new file mode 100644
index 0000000..7609bf5
--- /dev/null
+++ b/linux-user/host/s390/hostdep.h
@@ -0,0 +1,15 @@
+/*
+ * hostdep.h : things which are dependent on the host architecture
+ *
+ * * Written by Peter Maydell <peter.maydell@linaro.org>
+ *
+ * Copyright (C) 2016 Linaro Limited
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
+#ifndef QEMU_HOSTDEP_H
+#define QEMU_HOSTDEP_H
+
+#endif
diff --git a/linux-user/host/s390x/hostdep.h b/linux-user/host/s390x/hostdep.h
new file mode 100644
index 0000000..7609bf5
--- /dev/null
+++ b/linux-user/host/s390x/hostdep.h
@@ -0,0 +1,15 @@
+/*
+ * hostdep.h : things which are dependent on the host architecture
+ *
+ * * Written by Peter Maydell <peter.maydell@linaro.org>
+ *
+ * Copyright (C) 2016 Linaro Limited
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
+#ifndef QEMU_HOSTDEP_H
+#define QEMU_HOSTDEP_H
+
+#endif
diff --git a/linux-user/host/sparc/hostdep.h b/linux-user/host/sparc/hostdep.h
new file mode 100644
index 0000000..7609bf5
--- /dev/null
+++ b/linux-user/host/sparc/hostdep.h
@@ -0,0 +1,15 @@
+/*
+ * hostdep.h : things which are dependent on the host architecture
+ *
+ * * Written by Peter Maydell <peter.maydell@linaro.org>
+ *
+ * Copyright (C) 2016 Linaro Limited
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
+#ifndef QEMU_HOSTDEP_H
+#define QEMU_HOSTDEP_H
+
+#endif
diff --git a/linux-user/host/sparc64/hostdep.h b/linux-user/host/sparc64/hostdep.h
new file mode 100644
index 0000000..7609bf5
--- /dev/null
+++ b/linux-user/host/sparc64/hostdep.h
@@ -0,0 +1,15 @@
+/*
+ * hostdep.h : things which are dependent on the host architecture
+ *
+ * * Written by Peter Maydell <peter.maydell@linaro.org>
+ *
+ * Copyright (C) 2016 Linaro Limited
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
+#ifndef QEMU_HOSTDEP_H
+#define QEMU_HOSTDEP_H
+
+#endif
diff --git a/linux-user/host/x32/hostdep.h b/linux-user/host/x32/hostdep.h
new file mode 100644
index 0000000..7609bf5
--- /dev/null
+++ b/linux-user/host/x32/hostdep.h
@@ -0,0 +1,15 @@
+/*
+ * hostdep.h : things which are dependent on the host architecture
+ *
+ * * Written by Peter Maydell <peter.maydell@linaro.org>
+ *
+ * Copyright (C) 2016 Linaro Limited
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
+#ifndef QEMU_HOSTDEP_H
+#define QEMU_HOSTDEP_H
+
+#endif