- Add ahci emulation fix for FreeBSD guests. [1]

- Add OPTION to build a seabios git snapshot that add ahci boot disk
  emulation. [2]
- Bump PORTREVISION.

Submitted by:	avg [1]
Suggested by:	avg [2]

1 files changed, 31 insertions, 0 deletions

diff --git a/emulators/qemu-devel/files/patch-hw-ide-ahci.c b/emulators/qemu-devel/files/patch-hw-ide-ahci.c
new file mode 100644
index 000000000000..4b539d5e711a
--- /dev/null
+++ b/emulators/qemu-devel/files/patch-hw-ide-ahci.c
@@ -0,0 +1,31 @@
+--- qemu/hw/ide/ahci.c.prev	2011-09-11 16:39:53.000000000 +0300
++++ qemu/hw/ide/ahci.c	2011-09-11 16:39:48.000000000 +0300
+@@ -505,10 +505,7 @@ static void ahci_reset_port(AHCIState *s
+     ide_bus_reset(&d->port);
+     ide_state->ncq_queues = AHCI_MAX_CMDS;
+ 
+-    pr->irq_stat = 0;
+-    pr->irq_mask = 0;
+     pr->scr_stat = 0;
+-    pr->scr_ctl = 0;
+     pr->scr_err = 0;
+     pr->scr_act = 0;
+     d->busy_slot = -1;
+@@ -1157,12 +1154,17 @@ void ahci_uninit(AHCIState *s)
+ void ahci_reset(void *opaque)
+ {
+     struct AHCIPCIState *d = opaque;
++    AHCIPortRegs *pr;
+     int i;
+ 
+     d->ahci.control_regs.irqstatus = 0;
+     d->ahci.control_regs.ghc = 0;
+ 
+     for (i = 0; i < d->ahci.ports; i++) {
++        pr = &d->ahci.dev[i].port_regs;
++        pr->irq_stat = 0;
++        pr->irq_mask = 0;
++        pr->scr_ctl = 0;
+         ahci_reset_port(&d->ahci, i);
+     }
+ }