# HG changeset patch
# User Jimi Xenidis <jimix@xxxxxxxxxxxxxx>
# Node ID 24b15d746dd2befd97c33139406845f7f82bd374
# Parent 279ada76581b4c14f0397577d6122c4e33b35b40
[ppc] Allow for the xen link address to be overridden
Xen's current link address of 0x2000000 causes a program exception on
JS20 blades with SLOF. This patch changes the default link address
to 0x3000000 (50MB) and adds some logic to allow LINK=X to be supplied
at the make invocation.
This works for the JS20 and JS21 blades with SLOF that I have access to.
Hopefully it works on Maple-D as well.
Signed-off-by: Amos Waterland <apw@xxxxxxxxxx>
It does work for Maple-D/PIBS
Signed-off-by: Jimi Xenidis <jimix@xxxxxxxxxxxxxx>
---
xen/arch/ppc/Makefile | 9 +++++++--
1 files changed, 7 insertions(+), 2 deletions(-)
diff -r 279ada76581b -r 24b15d746dd2 xen/arch/ppc/Makefile
--- a/xen/arch/ppc/Makefile Tue Jun 20 13:53:04 2006 -0400
+++ b/xen/arch/ppc/Makefile Tue Jun 20 18:00:08 2006 -0400
@@ -46,6 +46,11 @@ CFLAGS += -Wmissing-prototypes -Wmissing
CFLAGS += -Wmissing-prototypes -Wmissing-declarations -Wpacked
CFLAGS += -Wredundant-decls
+LINK=0x3000000
+boot32_link_base = $(LINK)
+xen_link_offset = 100
+xen_link_base = $(patsubst %000,%$(xen_link_offset),$(LINK))
+
#
# The following flags are fed to gcc in order to link several
# objects into a single ELF segment and to not link in any additional
@@ -79,7 +84,7 @@ start.o: boot/start.S
$(CC) $(CFLAGS) -D__ASSEMBLY__ -c $< -o $@
$(TARGET)-syms: start.o $(ALL_OBJS) xen.lds
- $(CC) $(CFLAGS) $(OMAGIC) -Wl,-Ttext,0x2000100,-T,xen.lds start.o
$(ALL_OBJS) -o $@
+ $(CC) $(CFLAGS) $(OMAGIC) -Wl,-Ttext,$(xen_link_base),-T,xen.lds
start.o $(ALL_OBJS) -o $@
$(TARGET).bin: $(TARGET)-syms
$(CROSS_COMPILE)objcopy --output-target=binary $< $@
@@ -95,7 +100,7 @@ boot32.o: boot/boot32.S
$(TARGET): boot32.o $(TARGET).bin.o
$(CC) -m32 -N -Wl,-melf32ppclinux -static -nostdlib \
- -Wl,-Ttext,0x2000000 -Wl,-Tdata,0x2000100 \
+ -Wl,-Ttext,$(boot32_link_base) -Wl,-Tdata,$(xen_link_base) \
$(CFLAGS) $^ -o $@
asm-offsets.s: $(TARGET_SUBARCH)/asm-offsets.c $(HDRS)
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