[PATCH 11/28] UML - Separate out the time code

From: Jeff Dike
Date: Mon Jan 10 2005 - 01:25:14 EST


Move the i386 __delay to sys-i386 and add an implementation for x86_64.
Also get rid of the definition of um_udelay_t.

Signed-off-by: Jeff Dike <jdike@xxxxxxxxxxx>

Index: 2.6.10/arch/um/kernel/time_kern.c
===================================================================
--- 2.6.10.orig/arch/um/kernel/time_kern.c 2005-01-02 22:03:40.000000000 -0500
+++ 2.6.10/arch/um/kernel/time_kern.c 2005-01-02 22:09:23.000000000 -0500
@@ -136,22 +136,7 @@
return 0;
}

-/* XXX Needs to be moved under sys-i386 */
-void __delay(um_udelay_t time)
-{
- /* Stolen from the i386 __loop_delay */
- int d0;
- __asm__ __volatile__(
- "\tjmp 1f\n"
- ".align 16\n"
- "1:\tjmp 2f\n"
- ".align 16\n"
- "2:\tdecl %0\n\tjns 2b"
- :"=&a" (d0)
- :"0" (time));
-}
-
-void __udelay(um_udelay_t usecs)
+void __udelay(unsigned long usecs)
{
int i, n;

@@ -159,7 +144,7 @@
for(i=0;i<n;i++) ;
}

-void __const_udelay(um_udelay_t usecs)
+void __const_udelay(unsigned long usecs)
{
int i, n;

Index: 2.6.10/arch/um/sys-i386/Makefile
===================================================================
--- 2.6.10.orig/arch/um/sys-i386/Makefile 2005-01-02 22:03:40.000000000 -0500
+++ 2.6.10/arch/um/sys-i386/Makefile 2005-01-02 22:09:23.000000000 -0500
@@ -1,4 +1,4 @@
-obj-y = bitops.o bugs.o checksum.o fault.o ksyms.o ldt.o ptrace.o \
+obj-y = bitops.o bugs.o checksum.o delay.o fault.o ksyms.o ldt.o ptrace.o \
ptrace_user.o semaphore.o signal.o sigcontext.o syscalls.o sysrq.o

obj-$(CONFIG_HIGHMEM) += highmem.o
Index: 2.6.10/arch/um/sys-i386/delay.c
===================================================================
--- 2.6.10.orig/arch/um/sys-i386/delay.c 2003-09-15 09:40:47.000000000 -0400
+++ 2.6.10/arch/um/sys-i386/delay.c 2005-01-02 22:09:23.000000000 -0500
@@ -0,0 +1,14 @@
+void __delay(unsigned long time)
+{
+ /* Stolen from the i386 __loop_delay */
+ int d0;
+ __asm__ __volatile__(
+ "\tjmp 1f\n"
+ ".align 16\n"
+ "1:\tjmp 2f\n"
+ ".align 16\n"
+ "2:\tdecl %0\n\tjns 2b"
+ :"=&a" (d0)
+ :"0" (time));
+}
+
Index: 2.6.10/arch/um/sys-x86_64/Makefile
===================================================================
--- 2.6.10.orig/arch/um/sys-x86_64/Makefile 2005-01-02 22:09:15.000000000 -0500
+++ 2.6.10/arch/um/sys-x86_64/Makefile 2005-01-02 22:09:39.000000000 -0500
@@ -4,7 +4,7 @@
# Licensed under the GPL
#

-lib-y = bitops.o bugs.o csum-partial.o fault.o mem.o memcpy.o \
+lib-y = bitops.o bugs.o csum-partial.o delay.o fault.o mem.o memcpy.o \
ptrace.o ptrace_user.o semaphore.o sigcontext.o signal.o \
syscalls.o sysrq.o thunk.o

Index: 2.6.10/arch/um/sys-x86_64/delay.c
===================================================================
--- 2.6.10.orig/arch/um/sys-x86_64/delay.c 2003-09-15 09:40:47.000000000 -0400
+++ 2.6.10/arch/um/sys-x86_64/delay.c 2005-01-02 22:09:23.000000000 -0500
@@ -0,0 +1,26 @@
+/*
+ * Copyright 2003 PathScale, Inc.
+ * Copied from arch/x86_64
+ *
+ * Licensed under the GPL
+ */
+
+#include "asm/processor.h"
+
+void __delay(unsigned long loops)
+{
+ unsigned long i;
+
+ for(i = 0; i < loops; i++) ;
+}
+
+/*
+ * Overrides for Emacs so that we follow Linus's tabbing style.
+ * Emacs will notice this stuff at the end of the file and automatically
+ * adjust the settings for this buffer only. This must remain at the end
+ * of the file.
+ * ---------------------------------------------------------------------------
+ * Local variables:
+ * c-file-style: "linux"
+ * End:
+ */
Index: 2.6.10/include/asm-um/archparam-i386.h
===================================================================
--- 2.6.10.orig/include/asm-um/archparam-i386.h 2005-01-02 22:03:40.000000000 -0500
+++ 2.6.10/include/asm-um/archparam-i386.h 2005-01-02 22:09:23.000000000 -0500
@@ -136,10 +136,6 @@
#define R_386_GOTPC 10
#define R_386_NUM 11

-/********* Bits for asm-um/delay.h **********/
-
-typedef unsigned long um_udelay_t;
-
/********* Nothing for asm-um/hardirq.h **********/

/********* Nothing for asm-um/hw_irq.h **********/
Index: 2.6.10/include/asm-um/archparam-ppc.h
===================================================================
--- 2.6.10.orig/include/asm-um/archparam-ppc.h 2005-01-02 22:03:40.000000000 -0500
+++ 2.6.10/include/asm-um/archparam-ppc.h 2005-01-02 22:09:23.000000000 -0500
@@ -21,10 +21,6 @@
#define ELF_DATA ELFDATA2MSB
#define ELF_ARCH EM_PPC

-/********* Bits for asm-um/delay.h **********/
-
-typedef unsigned int um_udelay_t;
-
/********* Bits for asm-um/hw_irq.h **********/

struct hw_interrupt_type;

-
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