> Do we never need data from a .h file?
> If we do name it wakeup.lds.S and kbuild
> will fix it (assuming we have wakeup.lds
> as a prerequisite where it is needed.
Ok, I got it to work... but notice the ugly #undef :-(.
Pavel
diff --git a/arch/x86/kernel/acpi/realmode/Makefile
b/arch/x86/kernel/acpi/realmode/Makefile
index b239f0f..0e4742b 100644
--- a/arch/x86/kernel/acpi/realmode/Makefile
+++ b/arch/x86/kernel/acpi/realmode/Makefile
@@ -46,7 +46,10 @@ KBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__AS
WAKEUP_OBJS = $(addprefix $(obj)/,$(wakeup-y))
LDFLAGS_wakeup.elf := -T
-$(obj)/wakeup.elf: $(src)/wakeup.ld $(WAKEUP_OBJS) FORCE
+
+CPPFLAGS_wakeup.lds += -P -C
+
+$(obj)/wakeup.elf: $(src)/wakeup.lds $(WAKEUP_OBJS) FORCE
$(call if_changed,ld)
OBJCOPYFLAGS_wakeup.bin := -O binary
diff --git a/arch/x86/kernel/acpi/realmode/wakeup.ld
b/arch/x86/kernel/acpi/realmode/wakeup.ld
deleted file mode 100644
--- /dev/null
+++ b/arch/x86/kernel/acpi/realmode/wakeup.lds.S
@@ -0,0 +1,62 @@
+/*
+ * wakeup.ld
+ *
+ * Linker script for the real-mode wakeup code
+ */
+#undef i386
+
+OUTPUT_FORMAT("elf32-i386", "elf32-i386", "elf32-i386")
+OUTPUT_ARCH(i386)
+ENTRY(_start)
+
+SECTIONS
+{
+ . = 0x3f00;
+ .header : {
+ *(.header)
+ }
+
+ . = 0;
+ .text : {
+ *(.text*)
+ }
+
+ . = ALIGN(16);
+ .rodata : {
+ *(.rodata*)
+ }
+
+ .videocards : {
+ video_cards = .;
+ *(.videocards)
+ video_cards_end = .;
+ }
+
+ . = ALIGN(16);
+ .data : {
+ *(.data*)
+ }
+
+ .signature : {
+ end_signature = .;
+ LONG(0x65a22c82)
+ }
+
+ . = ALIGN(16);
+ .bss : {
+ __bss_start = .;
+ *(.bss)
+ __bss_end = .;
+ }
+
+ . = ALIGN(16);
+ _end = .;
+
+ /DISCARD/ : {
+ *(.note*)
+ }
+
+ /* Adjust this as appropriate */
+ /* This allows 4 pages (16K) */
+ . = ASSERT(_end <= 0x4000, "Wakeup too big!");
+}
> > +
> > + . = 0;
> > + .text : { *(.text*) }
> > +
> > + . = ALIGN(16);
> Why?
> > + .rodata : { *(.rodata*) }
> > +
> > + .videocards : {
> > + video_cards = .;
> > + *(.videocards)
> > + video_cards_end = .;
> > + }
> > +
> > + . = ALIGN(16);
> Why?
> > + .data : { *(.data*) }
> > +
> > + .signature : {
> > + end_signature = .;
> > + LONG(0x65a22c82)
> > + }
> > +
> > + . = ALIGN(16);
> Why?
> > + .bss :
> > + {
> > + __bss_start = .;
> > + *(.bss)
> > + __bss_end = .;
> > + }
> > +
> > + . = ALIGN(16);
> Why?
> > + _end = .;
> > +
> > + /DISCARD/ : { *(.note*) }
> > +
> > + /* Adjust this as appropriate */
> > + /* This allows 4 pages (16K) */
> > + . = ASSERT(_end <= 0x4000, "Wakeup too big!");
> PAGE_SIZE * 4?
>
>
> Sam
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures)
http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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