[PATCH 13/28] UML - Split out arch link address definitions

From: Jeff Dike
Date: Mon Jan 10 2005 - 00:47:00 EST


Define addresses at which UML will link and make them settable by the arch.

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

Index: 2.6.10/arch/um/Kconfig_arch
===================================================================
--- 2.6.10.orig/arch/um/Kconfig_arch 2003-09-15 09:40:47.000000000 -0400
+++ 2.6.10/arch/um/Kconfig_arch 2005-01-09 18:25:36.000000000 -0500
@@ -0,0 +1,16 @@
+config 64_BIT
+ bool
+ default n
+
+config TOP_ADDR
+ hex
+ default 0xc0000000 if !HOST_2G_2G
+ default 0x80000000 if HOST_2G_2G
+
+config 3_LEVEL_PGTABLES
+ bool "Three-level pagetables"
+ default n
+ help
+ Three-level pagetables will let UML have more than 4G of physical
+ memory. All the memory that can't be mapped directly will be treated
+ as high memory.
Index: 2.6.10/arch/um/Kconfig_i386
===================================================================
--- 2.6.10.orig/arch/um/Kconfig_i386 2005-01-07 22:58:55.000000000 -0500
+++ 2.6.10/arch/um/Kconfig_i386 2005-01-09 18:25:36.000000000 -0500
@@ -1,6 +1,12 @@
config 64_BIT
bool
default n
+
+config TOP_ADDR
+ hex
+ default 0xc0000000 if !HOST_2G_2G
+ default 0x80000000 if HOST_2G_2G
+
config 3_LEVEL_PGTABLES
bool "Three-level pagetables"
default n
@@ -8,4 +14,3 @@
Three-level pagetables will let UML have more than 4G of physical
memory. All the memory that can't be mapped directly will be treated
as high memory.
-
Index: 2.6.10/arch/um/Makefile-i386
===================================================================
--- 2.6.10.orig/arch/um/Makefile-i386 2005-01-07 22:58:55.000000000 -0500
+++ 2.6.10/arch/um/Makefile-i386 2005-01-09 18:25:36.000000000 -0500
@@ -1,10 +1,6 @@
SUBARCH_CORE := arch/um/sys-i386/

-ifeq ($(CONFIG_HOST_2G_2G), y)
-TOP_ADDR := 0x80000000
-else
-TOP_ADDR := 0xc0000000
-endif
+TOP_ADDR := $(CONFIG_TOP_ADDR)

ifeq ($(CONFIG_MODE_SKAS),y)
ifneq ($(CONFIG_MODE_TT),y)
Index: 2.6.10/arch/um/kernel/skas/mem.c
===================================================================
--- 2.6.10.orig/arch/um/kernel/skas/mem.c 2005-01-07 22:58:51.000000000 -0500
+++ 2.6.10/arch/um/kernel/skas/mem.c 2005-01-09 18:25:36.000000000 -0500
@@ -13,8 +13,13 @@
/* Round up to the nearest 4M */
unsigned long top = ROUND_4M((unsigned long) &arg);

+#ifdef CONFIG_HOST_TASK_SIZE
+ *host_size_out = CONFIG_HOST_TASK_SIZE;
+ *task_size_out = CONFIG_HOST_TASK_SIZE;
+#else
*host_size_out = top;
*task_size_out = top;
+#endif
return(((unsigned long) set_task_sizes_skas) & ~0xffffff);
}


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