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Push kernel/user limit to 2GiB, so Mach can address up to close to 2GiB memory.
This makes glibc's local-bigmem.diff patch mandatory.
Index: gnumach/i386/include/mach/i386/vm_param.h
===================================================================
--- gnumach.orig/i386/include/mach/i386/vm_param.h 2012-05-05 11:22:08.295629763 +0000
+++ gnumach/i386/include/mach/i386/vm_param.h 2012-05-05 11:25:25.955430280 +0000
@@ -73,6 +73,6 @@
with that.
*/
#define VM_MIN_ADDRESS (0)
-#define VM_MAX_ADDRESS (0xc0000000UL)
+#define VM_MAX_ADDRESS (0x80000000UL)
#endif /* _MACH_I386_VM_PARAM_H_ */
Index: gnumach/i386/Makefrag.am
===================================================================
--- gnumach.orig/i386/Makefrag.am 2012-05-05 11:22:08.291629849 +0000
+++ gnumach/i386/Makefrag.am 2012-05-05 11:26:22.262233815 +0000
@@ -199,7 +199,7 @@ EXTRA_DIST += \
i386/ldscript
if PLATFORM_at
gnumach_LINKFLAGS += \
- --defsym _START=0xC0100000 \
+ --defsym _START=0x80100000 \
--defsym _START_MAP=0x100000 \
-T '$(srcdir)'/i386/ldscript
endif
Index: gnumach/i386/i386/vm_param.h
===================================================================
--- gnumach.orig/i386/i386/vm_param.h 2012-05-05 11:22:08.295629763 +0000
+++ gnumach/i386/i386/vm_param.h 2012-05-05 11:27:42.380531253 +0000
@@ -37,7 +37,7 @@
/* This can be changed freely to separate kernel addresses from user addresses
* for better trace support in kdb; the _START symbol has to be offset by the
* same amount. */
-#define VM_MIN_KERNEL_ADDRESS 0xC0000000UL
+#define VM_MIN_KERNEL_ADDRESS 0x80000000UL
/* This must remain 0 */
#define INIT_VM_MIN_KERNEL_ADDRESS 0x00000000UL
#endif /* MACH_XEN */
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