[Qemu-commits] [qemu/qemu] 852e82: sparc64: allow 64 IRQ lines

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/qemu/qemu
  Commit: 852e82f303884139ba59f7f26e761d937a25fa55
      
https://github.com/qemu/qemu/commit/852e82f303884139ba59f7f26e761d937a25fa55
  Author: Artyom Tarasenko <address@hidden>
  Date:   2013-04-27 (Sat, 27 Apr 2013)

  Changed paths:
    M hw/pci-host/apb.c
    M hw/sparc64/sun4u.c

  Log Message:
  -----------
  sparc64: allow 64 IRQ lines

According to UltraSPARC™-IIi User’s Manual, PBM has 64 IRQ lines.

Signed-off-by: Artyom Tarasenko <address@hidden>
Signed-off-by: Blue Swirl <address@hidden>


  Commit: 9625036d14bdcc908fa06cd45599115258452c46
      
https://github.com/qemu/qemu/commit/9625036d14bdcc908fa06cd45599115258452c46
  Author: Artyom Tarasenko <address@hidden>
  Date:   2013-04-27 (Sat, 27 Apr 2013)

  Changed paths:
    M hw/pci-host/apb.c

  Log Message:
  -----------
  sparc64: fix loosing interrupts

- clear interrupts only on writing to the interrupt clear registers
- don't overwrite a currently active interrupt request
- use the correct addresses for the interrupt clear registers
  (section 19.3.3.3 of the UltraSPARC™-IIi User’s Manual)

Signed-off-by: Artyom Tarasenko <address@hidden>
Signed-off-by: Blue Swirl <address@hidden>


  Commit: 903ce9fefacd828bbcadd656ddaed8984139be29
      
https://github.com/qemu/qemu/commit/903ce9fefacd828bbcadd656ddaed8984139be29
  Author: Artyom Tarasenko <address@hidden>
  Date:   2013-04-27 (Sat, 27 Apr 2013)

  Changed paths:
    M hw/pci-host/apb.c

  Log Message:
  -----------
  sparc64: use direct interrupt mapping for PCI devices

Every PCI Slot in PBM has 4 directly mapped IRQ lines.
Use the IRQ routing schema 0bssnn (Bus, Slot, interrupt Number)
described in Section 19.3.3 of UltraSPARC™-IIi User's Manual.

Please note that this patch requires the OpenBIOS counterpart patch.

Signed-off-by: Artyom Tarasenko <address@hidden>
Signed-off-by: Blue Swirl <address@hidden>


Compare: https://github.com/qemu/qemu/compare/96fbd7de3656...903ce9fefacd