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fw_cfg: move setting of FW_CFG_VERSION_DMA bit to fw_cfg_init1() 

The setting of the FW_CFG_VERSION_DMA bit is the same across both the
TYPE_FW_CFG_MEM and TYPE_FW_CFG_IO devices, so unify the logic in
fw_cfg_init1().

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Tested-by: Gabriel Somlo <somlo@cmu.edu>
This commit is contained in:
Mark Cave-Ayland 2017-06-29 15:07:16 +01:00 committed by Michael S. Tsirkin
parent 91685323b1
commit 3c1aa733d9
1 changed files with 7 additions and 9 deletions
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16
hw/nvram/fw_cfg.c
View File

@ -913,6 +913,7 @@ static void fw_cfg_init1(DeviceState *dev)
{
FWCfgState *s = FW_CFG(dev);
MachineState *machine = MACHINE(qdev_get_machine());
uint32_t version = FW_CFG_VERSION;
assert(!object_resolve_path(FW_CFG_PATH, NULL));
@ -927,6 +928,12 @@ static void fw_cfg_init1(DeviceState *dev)
fw_cfg_bootsplash(s);
fw_cfg_reboot(s);
if (s->dma_enabled) {
version |= FW_CFG_VERSION_DMA;
}
fw_cfg_add_i32(s, FW_CFG_ID, version);
s->machine_ready.notify = fw_cfg_machine_ready;
qemu_add_machine_init_done_notifier(&s->machine_ready);
}
@ -938,7 +945,6 @@ FWCfgState *fw_cfg_init_io_dma(uint32_t iobase, uint32_t dma_iobase,
SysBusDevice *sbd;
FWCfgIoState *ios;
FWCfgState *s;
uint32_t version = FW_CFG_VERSION;
bool dma_requested = dma_iobase && dma_as;
dev = qdev_create(NULL, TYPE_FW_CFG_IO);
@ -959,12 +965,8 @@ FWCfgState *fw_cfg_init_io_dma(uint32_t iobase, uint32_t dma_iobase,
s->dma_as = dma_as;
s->dma_addr = 0;
sysbus_add_io(sbd, dma_iobase, &s->dma_iomem);
version |= FW_CFG_VERSION_DMA;
}
fw_cfg_add_i32(s, FW_CFG_ID, version);
return s;
}
@ -980,7 +982,6 @@ FWCfgState *fw_cfg_init_mem_wide(hwaddr ctl_addr,
DeviceState *dev;
SysBusDevice *sbd;
FWCfgState *s;
uint32_t version = FW_CFG_VERSION;
bool dma_requested = dma_addr && dma_as;
dev = qdev_create(NULL, TYPE_FW_CFG_MEM);
@ -1001,11 +1002,8 @@ FWCfgState *fw_cfg_init_mem_wide(hwaddr ctl_addr,
s->dma_as = dma_as;
s->dma_addr = 0;
sysbus_mmio_map(sbd, 2, dma_addr);
version |= FW_CFG_VERSION_DMA;
}
fw_cfg_add_i32(s, FW_CFG_ID, version);
return s;
}