Add stub functions for CPU eject callback. Define cpu_acpi_eject property and enable eject callback only for pc-1.1 machine model.
Signed-off-by: Vasilis Liaskovitis vasilis.liaskovitis@profitbricks.com --- hw/acpi_piix4.c | 20 ++++++++++++++++++++ hw/pc_piix.c | 8 ++++++++ 2 files changed, 28 insertions(+), 0 deletions(-)
diff --git a/hw/acpi_piix4.c b/hw/acpi_piix4.c index 96e1ce8..8475aa6 100644 --- a/hw/acpi_piix4.c +++ b/hw/acpi_piix4.c @@ -40,6 +40,7 @@
#define GPE_BASE 0xafe0 #define PROC_BASE 0xaf00 +#define PROC_EJ_BASE 0xaf20 #define GPE_LEN 4 #define PCI_BASE 0xae00 #define PCI_EJ_BASE 0xae08 @@ -80,6 +81,8 @@ typedef struct PIIX4PMState { struct gpe_regs gpe_cpu; struct pci_status pci0_status; uint32_t pci0_hotplug_enable; + /* for cpu hotplug */ + uint32_t cpu_acpi_eject; } PIIX4PMState;
static void piix4_acpi_system_hot_add_init(PCIBus *bus, PIIX4PMState *s); @@ -424,6 +427,7 @@ static PCIDeviceInfo piix4_pm_info = { .class_id = PCI_CLASS_BRIDGE_OTHER, .qdev.props = (Property[]) { DEFINE_PROP_UINT32("smb_io_base", PIIX4PMState, smb_io_base, 0), + DEFINE_PROP_UINT32("cpu_acpi_eject", PIIX4PMState, cpu_acpi_eject, 0), DEFINE_PROP_END_OF_LIST(), } }; @@ -497,6 +501,17 @@ static void pcihotplug_write(void *opaque, uint32_t addr, uint32_t val) PIIX4_DPRINTF("pcihotplug write %x <== %d\n", addr, val); }
+static uint32_t cpuej_read(void *opaque, uint32_t addr) +{ + PIIX4_DPRINTF("cpuej read %x\n", addr); + return 0; +} + +static void cpuej_write(void *opaque, uint32_t addr, uint32_t val) +{ + PIIX4_DPRINTF("cpuej write %x <== %d\n", addr, val); +} + static uint32_t pciej_read(void *opaque, uint32_t addr) { PIIX4_DPRINTF("pciej read %x\n", addr); @@ -555,6 +570,11 @@ static void piix4_acpi_system_hot_add_init(PCIBus *bus, PIIX4PMState *s) register_ioport_write(PROC_BASE, 32, 1, gpe_writeb, s); register_ioport_read(PROC_BASE, 32, 1, gpe_readb, s);
+ if (s->cpu_acpi_eject) { + register_ioport_write(PROC_EJ_BASE, 32, 1, cpuej_write, s); + register_ioport_read(PROC_EJ_BASE, 32, 1, cpuej_read, s); + } + register_ioport_write(PCI_BASE, 8, 4, pcihotplug_write, pci0_status); register_ioport_read(PCI_BASE, 8, 4, pcihotplug_read, pci0_status);
diff --git a/hw/pc_piix.c b/hw/pc_piix.c index ac251c6..6d61567 100644 --- a/hw/pc_piix.c +++ b/hw/pc_piix.c @@ -380,6 +380,14 @@ static QEMUMachine pc_machine_v1_1 = { .desc = "Standard PC", .init = pc_init_pci, .max_cpus = 255, + .compat_props = (GlobalProperty[]) { + { + .driver = "PIIX4_PM", + .property = "cpu_acpi_eject", + .value = stringify(1), + }, + { /* end of list */ } + }, };
static QEMUMachine pc_machine_v1_0 = {