Re: [Qemu-devel] [SeaBIOS] [PATCH] acpi: hide 64-bit PCI hole for Windows XP

[Gerd Hoffmann]

  Hi,

> Converting src/smm.c to use a runtime value isn't hard - just change
> the assembler from: "mov $" __stringify(PORT_ACPI_PM_BASE) " + 0x04,
> %dx\n" to: "mov 4(my_acpi_base), %dx\n" and make sure to define the
> global variable my_acpi_base as VARFSEG.

The apm fix brought a ctl register variable we can use directly, so I
tried the attached patch, then got this:

  Linking out/rom.o
out/code32flat.o: In function `smm_relocation_end':
(.text.asm./home/kraxel/projects/seabios/src/smm.c.72+0x37): relocation
truncated to fit: R_386_16 against symbol `acpi_pm1a_cnt' defined in
.data.varfseg./home/kraxel/projects/seabios/src/acpi.c.21 section in
out/code32flat.o
out/code32flat.o: In function `smm_relocation_end':
(.text.asm./home/kraxel/projects/seabios/src/smm.c.72+0x46): relocation
truncated to fit: R_386_16 against symbol `acpi_pm1a_cnt' defined in
.data.varfseg./home/kraxel/projects/seabios/src/acpi.c.21 section in
out/code32flat.o
make: *** [out/rom.o] Error 1

cheers,
  Gerd

0001-wip-make-pmbase-runtime.patch
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