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Message-ID: <20081029175159.GN4608@axis.com>
Date: Wed, 29 Oct 2008 18:51:59 +0100
From: Jesper Nilsson <jesper.nilsson@...s.com>
To: Sam Ravnborg <sam@...nborg.org>,
LKML <linux-kernel@...r.kernel.org>
Cc: Mikael Starvik <mikael.starvik@...s.com>,
Jesper Nilsson <Jesper.Nilsson@...s.com>
Subject: [PATCH] [CRIS] Merge asm-offsets.c for both arches into one file.
Eliminates the link to arch specific asm-offsets.c from CRIS
architecture build system.
Resulting asm-offsets.s are identical before and after change
for both arch-v10 and arch-v32.
Signed-off-by: Jesper Nilsson <jesper.nilsson@...s.com>
---
arch/cris/Makefile | 6 +--
arch/cris/arch-v10/kernel/asm-offsets.c | 47 ----------------------
arch/cris/arch-v32/kernel/asm-offsets.c | 49 -----------------------
arch/cris/kernel/asm-offsets.c | 64 +++++++++++++++++++++++++++++++
4 files changed, 66 insertions(+), 100 deletions(-)
delete mode 100644 arch/cris/arch-v10/kernel/asm-offsets.c
delete mode 100644 arch/cris/arch-v32/kernel/asm-offsets.c
create mode 100644 arch/cris/kernel/asm-offsets.c
diff --git a/arch/cris/Makefile b/arch/cris/Makefile
index 22825a7..241e35b 100644
--- a/arch/cris/Makefile
+++ b/arch/cris/Makefile
@@ -95,8 +95,6 @@ ifdef CONFIG_ETRAX_ARCH_V32
endif
@rm -rf $(SRC_ARCH)/kernel/vmlinux.lds.S
@ln -sfn ../$(SARCH)/vmlinux.lds.S $(SRC_ARCH)/kernel/vmlinux.lds.S
- @rm -rf $(SRC_ARCH)/kernel/asm-offsets.c
- @ln -sfn ../$(SARCH)/kernel/asm-offsets.c $(SRC_ARCH)/kernel/asm-offsets.c
@touch $@
archclean:
@@ -116,8 +114,8 @@ MRPROPER_FILES += \
$(SRC_ARCH)/boot \
$(SRC_ARCH)/lib \
$(SRC_ARCH)/arch \
- $(SRC_ARCH)/kernel/vmlinux.lds.S \
- $(SRC_ARCH)/kernel/asm-offsets.c
+ $(SRC_ARCH)/kernel/vmlinux.lds.S
+
define archhelp
echo '* zImage - Compressed kernel image (arch/$(ARCH)/boot/zImage)'
diff --git a/arch/cris/arch-v10/kernel/asm-offsets.c b/arch/cris/arch-v10/kernel/asm-offsets.c
deleted file mode 100644
index 1aa3cc4..0000000
--- a/arch/cris/arch-v10/kernel/asm-offsets.c
+++ /dev/null
@@ -1,47 +0,0 @@
-#include <linux/sched.h>
-#include <asm/thread_info.h>
-
-/*
- * Generate definitions needed by assembly language modules.
- * This code generates raw asm output which is post-processed to extract
- * and format the required data.
- */
-
-#define DEFINE(sym, val) \
- asm volatile("\n->" #sym " %0 " #val : : "i" (val))
-
-#define BLANK() asm volatile("\n->" : : )
-
-int main(void)
-{
-#define ENTRY(entry) DEFINE(PT_ ## entry, offsetof(struct pt_regs, entry))
- ENTRY(orig_r10);
- ENTRY(r13);
- ENTRY(r12);
- ENTRY(r11);
- ENTRY(r10);
- ENTRY(r9);
- ENTRY(mof);
- ENTRY(dccr);
- ENTRY(srp);
- BLANK();
-#undef ENTRY
-#define ENTRY(entry) DEFINE(TI_ ## entry, offsetof(struct thread_info, entry))
- ENTRY(task);
- ENTRY(flags);
- ENTRY(preempt_count);
- BLANK();
-#undef ENTRY
-#define ENTRY(entry) DEFINE(THREAD_ ## entry, offsetof(struct thread_struct, entry))
- ENTRY(ksp);
- ENTRY(usp);
- ENTRY(dccr);
- BLANK();
-#undef ENTRY
-#define ENTRY(entry) DEFINE(TASK_ ## entry, offsetof(struct task_struct, entry))
- ENTRY(pid);
- BLANK();
- DEFINE(LCLONE_VM, CLONE_VM);
- DEFINE(LCLONE_UNTRACED, CLONE_UNTRACED);
- return 0;
-}
diff --git a/arch/cris/arch-v32/kernel/asm-offsets.c b/arch/cris/arch-v32/kernel/asm-offsets.c
deleted file mode 100644
index 15b3d93..0000000
--- a/arch/cris/arch-v32/kernel/asm-offsets.c
+++ /dev/null
@@ -1,49 +0,0 @@
-#include <linux/sched.h>
-#include <asm/thread_info.h>
-
-/*
- * Generate definitions needed by assembly language modules.
- * This code generates raw asm output which is post-processed to extract
- * and format the required data.
- */
-
-#define DEFINE(sym, val) \
- asm volatile("\n->" #sym " %0 " #val : : "i" (val))
-
-#define BLANK() asm volatile("\n->" : : )
-
-int main(void)
-{
-#define ENTRY(entry) DEFINE(PT_ ## entry, offsetof(struct pt_regs, entry))
- ENTRY(orig_r10);
- ENTRY(r13);
- ENTRY(r12);
- ENTRY(r11);
- ENTRY(r10);
- ENTRY(r9);
- ENTRY(acr);
- ENTRY(srs);
- ENTRY(mof);
- ENTRY(ccs);
- ENTRY(srp);
- BLANK();
-#undef ENTRY
-#define ENTRY(entry) DEFINE(TI_ ## entry, offsetof(struct thread_info, entry))
- ENTRY(task);
- ENTRY(flags);
- ENTRY(preempt_count);
- BLANK();
-#undef ENTRY
-#define ENTRY(entry) DEFINE(THREAD_ ## entry, offsetof(struct thread_struct, entry))
- ENTRY(ksp);
- ENTRY(usp);
- ENTRY(ccs);
- BLANK();
-#undef ENTRY
-#define ENTRY(entry) DEFINE(TASK_ ## entry, offsetof(struct task_struct, entry))
- ENTRY(pid);
- BLANK();
- DEFINE(LCLONE_VM, CLONE_VM);
- DEFINE(LCLONE_UNTRACED, CLONE_UNTRACED);
- return 0;
-}
diff --git a/arch/cris/kernel/asm-offsets.c b/arch/cris/kernel/asm-offsets.c
new file mode 100644
index 0000000..ddd6fbb
--- /dev/null
+++ b/arch/cris/kernel/asm-offsets.c
@@ -0,0 +1,64 @@
+#include <linux/sched.h>
+#include <asm/thread_info.h>
+#include <linux/autoconf.h>
+
+/*
+ * Generate definitions needed by assembly language modules.
+ * This code generates raw asm output which is post-processed to extract
+ * and format the required data.
+ */
+
+#define DEFINE(sym, val) \
+ asm volatile("\n->" #sym " %0 " #val : : "i" (val))
+
+#define BLANK() asm volatile("\n->" : : )
+
+#if !defined(CONFIG_ETRAX_ARCH_V10) && !defined(CONFIG_ETRAX_ARCH_V32)
+#error One of ARCH v10 and ARCH v32 must be true!
+#endif
+
+int main(void)
+{
+#define ENTRY(entry) DEFINE(PT_ ## entry, offsetof(struct pt_regs, entry))
+ ENTRY(orig_r10);
+ ENTRY(r13);
+ ENTRY(r12);
+ ENTRY(r11);
+ ENTRY(r10);
+ ENTRY(r9);
+#ifdef CONFIG_ETRAX_ARCH_V32
+ ENTRY(acr);
+ ENTRY(srs);
+#endif
+ ENTRY(mof);
+#ifdef CONFIG_ETRAX_ARCH_V10
+ ENTRY(dccr);
+#else
+ ENTRY(ccs);
+#endif
+ ENTRY(srp);
+ BLANK();
+#undef ENTRY
+#define ENTRY(entry) DEFINE(TI_ ## entry, offsetof(struct thread_info, entry))
+ ENTRY(task);
+ ENTRY(flags);
+ ENTRY(preempt_count);
+ BLANK();
+#undef ENTRY
+#define ENTRY(entry) DEFINE(THREAD_ ## entry, offsetof(struct thread_struct, entry))
+ ENTRY(ksp);
+ ENTRY(usp);
+#ifdef CONFIG_ETRAX_ARCH_V10
+ ENTRY(dccr);
+#else
+ ENTRY(ccs);
+#endif
+ BLANK();
+#undef ENTRY
+#define ENTRY(entry) DEFINE(TASK_ ## entry, offsetof(struct task_struct, entry))
+ ENTRY(pid);
+ BLANK();
+ DEFINE(LCLONE_VM, CLONE_VM);
+ DEFINE(LCLONE_UNTRACED, CLONE_UNTRACED);
+ return 0;
+}
--
1.5.6.5
/^JN - Jesper Nilsson
--
Jesper Nilsson -- jesper.nilsson@...s.com
--
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