Hi Bin, On 17 June 2015 at 01:42, Bin Meng <bmeng...@gmail.com> wrote: > Hi Simon, > > On Tue, Jun 16, 2015 at 10:46 AM, Simon Glass <s...@chromium.org> wrote: >> Hi Bin, >> >> On 15 June 2015 at 02:00, Bin Meng <bmeng...@gmail.com> wrote: >>> The MP table provides a way for the operating system to support >>> for symmetric multiprocessing as well as symmetric I/O interrupt >>> handling with the local APIC and I/O APIC. We provide a bunch of >>> APIs for U-Boot to write the floating table, configuration table >>> header as well as base and extended table entries. >>> >>> Signed-off-by: Bin Meng <bmeng...@gmail.com> >>> --- >>> >>> arch/x86/include/asm/mpspec.h | 434 >>> ++++++++++++++++++++++++++++++++++++++++++ >>> arch/x86/lib/Makefile | 1 + >>> arch/x86/lib/mpspec.c | 238 +++++++++++++++++++++++ >>> 3 files changed, 673 insertions(+) >>> create mode 100644 arch/x86/include/asm/mpspec.h >>> create mode 100644 arch/x86/lib/mpspec.c >> >> Does this avoid needing SFI? >> > > Yes, SFI is not needed, although it can be turned on and built pass on > Crown Bay without any problem. I've tested SFI on Crown Bay and the > only issue is that interrupt is still routed to 8259 instead of I/O > APIC.
That's great! I think the README.x86 should be updated to indicate this too (i.e. mention that multi-CPUs are handled by this new feature or SFI). [snip] Regards, Simon _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
