On Thu, Nov 09, 2023 at 12:28:26PM -0800, Heinrich Schuchardt wrote: > On 11/9/23 11:24, Tom Rini wrote: > > On Thu, Nov 09, 2023 at 09:23:02AM -0800, Heinrich Schuchardt wrote: > > > > > Function acpi_get_rsdp_addr() is needed on all architectures which > > > write ACPI tables. Move the definition from the x86 include to an > > > architecture independent one. > > > > > > Signed-off-by: Heinrich Schuchardt <heinrich.schucha...@canonical.com> > > > --- > > > arch/x86/include/asm/acpi_table.h | 9 --------- > > > drivers/misc/qfw.c | 1 + > > > include/acpi/acpi_table.h | 9 +++++++++ > > > 3 files changed, 10 insertions(+), 9 deletions(-) > > > > My question here is, does this work right on non-x86? I know you can > > have ACPI without UEFI on x86, but elsewhere doesn't the location have > > to be provided in some manner by UEFI? I know I'm thinking that's the > > case with SMBIOS (with a few exception). > > > > I'm assuming you're doing something here with qemu and its qfw interface > > and risc-v. > > > > Hello Tom, > > yes, I want to enable ACPI passthrough on QEMU RISC-V. There will be more > patches needed. But the current change seemed obvious looking at the code so > I did not want to pile up more patches first. > > Do you know what the status of ACPI passthrough is on ARM?
On U-Boot? No. I know a while back I asked Simon to, and he did some hacking such that on a Raspberry Pi you could do UEFI boot and pass through some ACPI tables and it was somewhat functional (which was I think an issue with the ACPI tables as much as anything else). And I mentioned to some Linaro/EBBR people that it was because in part I don't object to U-Boot being able to do SystemReady ES level support either (and to be clear, I don't mean instead of, or preferred over IR, just that ES mandates ACPI and if we can pass it through .... and yes, there's more to it than that, I know). And yeah, I see now I had mis-interpreted the "rsdp" portion of the function name. Reviewed-by: Tom Rini <tr...@konsulko.com> -- Tom
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