diff options
Diffstat (limited to 'hw/pc.c')
| -rw-r--r-- | hw/pc.c | 14 |
1 files changed, 14 insertions, 0 deletions
@@ -857,6 +857,11 @@ static struct goldfish_device event0_device = { .name = "goldfish_events", .id = 0, .size = 0x1000, + /* FIXME: This is just a work around before we have a permanent fix on + * increasing number of IRQs available for x86 sysimages. IRQ3 is normally + * assigned to COM2/COM4, and we have our own custom IRQs for those. So, + * it's safe to reserve it for the events device. */ + .irq = 3, .irq_count = 1 }; @@ -1115,7 +1120,16 @@ static void pc_init1(ram_addr_t ram_size, } goldfish_tty_add(serial_hds[0], 0, 0, 0); + /* FIXME: This is just a work around before we have a permanent fix on + * increasing number of IRQs available for x86 sysimages. In order to free up + * some IRQs for a better use, we limit number of TTY devices by 2. Normally + * we don't need more than that, so always having 4 of them would waste two + * precious IRQs. */ +#if 0 for(i = 1; i < MAX_SERIAL_PORTS; i++) { +#else + for(i = 1; i < 2; i++) { +#endif if(serial_hds[i]) { goldfish_tty_add(serial_hds[i], i, 0, 0); } |