diff options
| author | Marc Marí <markmb@redhat.com> | 2015-10-08 17:02:57 +0200 |
|---|---|---|
| committer | Gerd Hoffmann <kraxel@redhat.com> | 2015-10-19 15:26:53 +0200 |
| commit | c886fc4c20ff8456b2f788a1404dd321b8b59243 (patch) | |
| tree | 0ec3c6138dc0e1acce409e440b22f2bfdd8d103c /hw | |
| parent | 0b341a85ca873cfc4faddbf9012c4c5da1b675bc (diff) | |
Enable fw_cfg DMA interface for x86
Enable the fw_cfg DMA interface for all the x86 platforms.
Based on Gerd Hoffman's initial implementation.
Signed-off-by: Marc Marí <markmb@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/i386/pc.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/hw/i386/pc.c b/hw/i386/pc.c index 682867a8a9..b25a87267e 100644 --- a/hw/i386/pc.c +++ b/hw/i386/pc.c @@ -752,14 +752,15 @@ static void pc_build_smbios(FWCfgState *fw_cfg) } } -static FWCfgState *bochs_bios_init(void) +static FWCfgState *bochs_bios_init(AddressSpace *as) { FWCfgState *fw_cfg; uint64_t *numa_fw_cfg; int i, j; unsigned int apic_id_limit = pc_apic_id_limit(max_cpus); - fw_cfg = fw_cfg_init_io(BIOS_CFG_IOPORT); + fw_cfg = fw_cfg_init_io_dma(BIOS_CFG_IOPORT, BIOS_CFG_IOPORT + 4, as); + /* FW_CFG_MAX_CPUS is a bit confusing/problematic on x86: * * SeaBIOS needs FW_CFG_MAX_CPUS for CPU hotplug, but the CPU hotplug @@ -1393,7 +1394,8 @@ FWCfgState *pc_memory_init(PCMachineState *pcms, option_rom_mr, 1); - fw_cfg = bochs_bios_init(); + fw_cfg = bochs_bios_init(&address_space_memory); + rom_set_fw(fw_cfg); if (guest_info->has_reserved_memory && pcms->hotplug_memory.base) { |