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hpet: make optional 

Ignore failure with hpet device creation.

Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This commit is contained in:
Blue Swirl 2011-02-05 14:35:00 +00:00
parent 4912371fc3
commit dd703b991c
6 changed files with 11 additions and 7 deletions
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1
Makefile.objs
View File

@ -195,6 +195,7 @@ hw-obj-$(CONFIG_FDC) += fdc.o
hw-obj-$(CONFIG_ACPI) += acpi.o acpi_piix4.o
hw-obj-$(CONFIG_APM) += pm_smbus.o apm.o
hw-obj-$(CONFIG_DMA) += dma.o
hw-obj-$(CONFIG_HPET) += hpet.o
# PPC devices
hw-obj-$(CONFIG_OPENPIC) += openpic.o

2
Makefile.target
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@ -215,7 +215,7 @@ obj-$(CONFIG_KVM) += ivshmem.o
obj-i386-y += vga.o
obj-i386-y += mc146818rtc.o i8259.o pc.o
obj-i386-y += cirrus_vga.o apic.o ioapic.o piix_pci.o
obj-i386-y += vmport.o hpet.o applesmc.o
obj-i386-y += vmport.o applesmc.o
obj-i386-y += device-hotplug.o pci-hotplug.o smbios.o wdt_ib700.o
obj-i386-y += debugcon.o multiboot.o
obj-i386-y += pc_piix.o

1
default-configs/i386-softmmu.mak
View File

@ -19,3 +19,4 @@ CONFIG_IDE_PIIX=y
CONFIG_NE2000_ISA=y
CONFIG_PIIX_PCI=y
CONFIG_SOUND=y
CONFIG_HPET=y

1
default-configs/x86_64-softmmu.mak
View File

@ -19,3 +19,4 @@ CONFIG_IDE_PIIX=y
CONFIG_NE2000_ISA=y
CONFIG_PIIX_PCI=y
CONFIG_SOUND=y
CONFIG_HPET=y

2
hw/hpet.c
View File

@ -74,8 +74,6 @@ typedef struct HPETState {
uint8_t hpet_id; /* instance id */
} HPETState;
struct hpet_fw_config hpet_cfg = {.count = UINT8_MAX};
static uint32_t hpet_in_legacy_mode(HPETState *s)
{
return s->config & HPET_CFG_LEGACY;

11
hw/pc.c
View File

@ -84,6 +84,7 @@ struct e820_table {
} __attribute((__packed__, __aligned__(4)));
static struct e820_table e820_table;
struct hpet_fw_config hpet_cfg = {.count = UINT8_MAX};
void isa_irq_handler(void *opaque, int n, int level)
{
@ -1104,12 +1105,14 @@ void pc_basic_device_init(qemu_irq *isa_irq,
register_ioport_write(0xf0, 1, 1, ioportF0_write, NULL);
if (!no_hpet) {
DeviceState *hpet = sysbus_create_simple("hpet", HPET_BASE, NULL);
DeviceState *hpet = sysbus_try_create_simple("hpet", HPET_BASE, NULL);
for (i = 0; i < 24; i++) {
sysbus_connect_irq(sysbus_from_qdev(hpet), i, isa_irq[i]);
if (hpet) {
for (i = 0; i < 24; i++) {
sysbus_connect_irq(sysbus_from_qdev(hpet), i, isa_irq[i]);
}
rtc_irq = qdev_get_gpio_in(hpet, 0);
}
rtc_irq = qdev_get_gpio_in(hpet, 0);
}
*rtc_state = rtc_init(2000, rtc_irq);