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2011-08-22vmware-vga: Eliminate vga_dirty_log_restartJan Kiszka
After the conversion to the new Memory API, vga_dirty_log_restart became seriously pointless. Remove it from vmware-vga and and then finally drop the service. CC: Andrzej Zaborowski <balrogg@gmail.com> CC: Avi Kivity <avi@redhat.com> Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-08-22vmware-vga: Remove dead DIRECT_VRAM modeJan Kiszka
The code was disabled since day 1 of vmware-vga, and now it does not even build anymore. Time for a cleanup. CC: Andrzej Zaborowski <balrogg@gmail.com> Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-08-22vmware-vga: Disable verbose modeJan Kiszka
Elimiates 'vmsvga_value_write: guest runs Linux.' messages from the console. CC: Andrzej Zaborowski <balrogg@gmail.com> Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-08-22vmware-vga: Register reset serviceJan Kiszka
Fixes cold reset in vmware graphic modes. We need to split up the reset function for this purpose, breaking out init-once bits. Cc: Andrzej Zaborowski <balrogg@gmail.com> Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-08-22ioapic: Implement polarityJan Kiszka
If the polarity bit is set in the redirection table, the input level simply has to inverted as it is low active in this case. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-08-22target-i386: Remove unused polarity arguments from APIC APIJan Kiszka
Polarity of external interrupts needs to be handled in the IOAPIC. Passing it to the APIC is pointless. So remove all these arguments. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-08-22Do not kick vcpus in TCG modeJan Kiszka
In TCG mode, iothread and vcpus run in lock-step. So it's pointless to send a signal from qemu_cpu_kick to the vcpu thread - if we got here, the receiver already left the vcpu loop. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-08-22Poll main loop after I/O events were receivedJan Kiszka
Polling until select returns empty fdsets helps to reduce the switches between iothread and vcpus. The benefit of this patch is best visible when running an SMP guest on an SMP host in emulation mode. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-08-22Do not drop global mutex for polled main loop runsJan Kiszka
If we call select without a timeout, it's more efficient to keep the global mutex locked as we may otherwise just play ping pong with a vcpu thread contending for it. This is particularly important for TCG mode where we run in lock-step with the vcpu thread. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-08-22Merge remote-tracking branch 'qemu-kvm/memory/core' into stagingAnthony Liguori
2011-08-22microblaze-user: Deliver SIGFPE on div by zeroEdgar E. Iglesias
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
2011-08-22memory: Fix old_portio vs non-zero offsetRichard Henderson
The legacy functions that we're wrapping expect that offset to be included in the register. Indeed, they generally expect the absolute address and then mask off the "high" bits. The FDC is the first converted device with a non-zero offset. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Avi Kivity <avi@redhat.com>
2011-08-22memory: temporarily suppress the subregion collision warningAnthony Liguori
After 312b4234, the APIC and PCI devices are colliding with each other. This is harmless in practice because the APIC accesses are special cased and never make there way onto the bus. Avi is working on a proper fix, but until that's ready, avoid printing the warning. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-08-22440fx: fix PAM, PCI holesAvi Kivity
The current implementation of PAM and the PCI holes is broken in several ways: - PCI BARs are not restricted to the PCI hole (a BAR may hide memory) - PCI devices do not respect PAM (if a PCI device maps a region while PAM maps the region to RAM, the request will be honored) This patch fixes things by introducing a pci address space, and using memory region aliases to represent PAM regions, SMRAM, and PCI holes. The memory hierarchy looks something like system_memory | +--- low memory alias (0-0xe0000000) | | | +-- ram@0 | +--- high memory alias (0x100000000-EOM) | | | +-- ram@0xe0000000 | +--- pci hole alias (end of low memory-0x100000000) | | | +-- pci@end-of-low-memory | | +--- pam[n] (0xc0000-0xc3fff etc) (when set to pci, priority 1) | | | +-- pci@0xc4000 etc | +--- smram (0xa0000-0xbffff) (when set to pci/vga, priority 1) | +-- pci@0xa0000 etc ram (simple ram region) pci | +--- BARn | +--- VGA 0xa0000-0xbffff | +--- ROMs Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-08-22vga: drop get_system_memory() from vga devices and derivativesAvi Kivity
Instead, use the bus accessors, or get the address space directly from the board constructor. Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-08-22pci: add pci_address_space()Avi Kivity
Returns the PCI address space. Useful for bridges that can obscure part of the PCI address space. Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-08-22isa: add isa_address_space()Avi Kivity
A helper that returns the address space used by ISA devices. Useful for getting rid of isa_mem_base, multiple ISA buses, or ISA buses behind bridges. Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-08-22sysbus: remove sysbus_init_mmio_cb()Avi Kivity
This problem with this function is that it is not reversible - it is impossible to know where things are registered and unregister them exactly. As there are no more users, we can remove it. Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-08-22ppce500_pci: convert to sysbus_init_mmio_cb2()Avi Kivity
Not a huge step forward, but at least we now have a 1:1 relationship between registration and unregistration. Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-08-22versatile_pci: convert to memory APIAvi Kivity
Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-08-22arm11mpcore: use sysbus_init_mmio_cb2Avi Kivity
This tells the sysbus code it need not use IO_MEM_UNASSIGNED. Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-08-22sh_pci: convert to memory APIAvi Kivity
Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-08-22sysbus: add a variant of sysbus_init_mmio_cb with an unmap callbackAvi Kivity
sysbus_init_mmio_cb() uses the destructive IO_MEM_UNASSIGNED to remove a region. Provide an alternative that calls an unmap callback, so the removal may be done non-destructively. Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-08-22ppc4xx_sdram: convert to memory APIAvi Kivity
Clumsy due to the lack of clipping support, needed for changing exposed ram size. Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-08-22ppc405_uc: convert to memory APIAvi Kivity
Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-08-22pcie_host: convert to memory APIAvi Kivity
Assuming that mmcfg size cannot change at runtime. Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-08-22onenand: convert to memory APIAvi Kivity
Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-08-22omap_gpmc/nseries/tusb6010: convert to memory APIAvi Kivity
Somewhat clumsy since it needs a variable sized region. Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-08-22tusb6010: move declarations to new file tusb6010.hAvi Kivity
Avoid #include hell. Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-08-22gt64xxx.c: convert to memory APIAvi Kivity
Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-08-22armv7m: convert to memory APIAvi Kivity
Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-08-22arm_timer: convert to memory APIAvi Kivity
Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-08-22arm_sysctl: convert to memory APIAvi Kivity
Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-08-22arm_gic: convert to memory APIAvi Kivity
Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-08-22apic: convert to memory APIAvi Kivity
Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-08-22apb_pci: convert to memory APIAvi Kivity
Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-08-22pcnet: fix wrong opaque (broken by bd8d6f7cadb6ace98c779135217a4ed7b5fccc23)Hervé Poussineau
Reviewed-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Signed-off-by: Hervé Poussineau <hpoussin@reactos.org> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-08-22Improvements to libtool support.Brad
Improvements to the libtool support in QEMU. Replace hard coded libtool in the infrastructure with $(LIBTOOL) and allow overriding the libtool binary used via the configure script. Reviewed-by: Andreas F=E4rber <andreas.faerber@web.de> Signed-off-by: Brad Smith <brad@comstyle.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-08-22w32: Fix qemu_ftruncate64Stefan Weil
SetFilePointer returns INVALID_SET_FILE_POINTER when it fails. In addition, GetLastError must be checked. The first call of SetFilePointer did not use INVALID_SET_FILE_POINTER, the second call used wrong error handling. Signed-off-by: Stefan Weil <weil@mail.berlios.de> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-08-22build: list libraries after objects, for proper linkageDiego Elio Pettenò
Without this change, when using -Wl,--as-needed with GNU linker, the libraries would be discarded. Signed-off-by: Diego Elio Pettenò <flameeyes@flameeyes.eu> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-08-22fix code formatRobert Wang
Fix code format to make checkpatch.pl happy. Signed-off-by: Robert Wang <wdongxu@linux.vnet.ibm.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-08-22e1000: use MII status register for link up/downBjørn Mork
Some guests will use the standard MII status register to verify link state. They will not notice link changes unless this register is updated. Verified with Linux 3.0 and Windows XP guests. Without this patch, ethtool will report speed and duplex as unknown when the link is down, but still report the link as up. This is because the Linux e1000 driver checks the mac_reg[STATUS] register link state before it checks speed and duplex, but uses the phy_reg[PHY_STATUS] register for the actual link state check. Fix by updating both registers on link state changes. Linux guest before: (qemu) set_link e1000.0 off kvm-sid:~# ethtool eth0 Settings for eth0: Supported ports: [ TP ] Supported link modes: 10baseT/Half 10baseT/Full 100baseT/Half 100baseT/Full 1000baseT/Full Supports auto-negotiation: Yes Advertised link modes: 10baseT/Half 10baseT/Full 100baseT/Half 100baseT/Full 1000baseT/Full Advertised pause frame use: No Advertised auto-negotiation: Yes Speed: Unknown! Duplex: Unknown! (255) Port: Twisted Pair PHYAD: 0 Transceiver: internal Auto-negotiation: on MDI-X: Unknown Supports Wake-on: umbg Wake-on: d Current message level: 0x00000007 (7) drv probe link Link detected: yes (qemu) set_link e1000.0 on Linux guest after: (qemu) set_link e1000.0 off [ 63.384221] e1000: eth0 NIC Link is Down kvm-sid:~# ethtool eth0 Settings for eth0: Supported ports: [ TP ] Supported link modes: 10baseT/Half 10baseT/Full 100baseT/Half 100baseT/Full 1000baseT/Full Supports auto-negotiation: Yes Advertised link modes: 10baseT/Half 10baseT/Full 100baseT/Half 100baseT/Full 1000baseT/Full Advertised pause frame use: No Advertised auto-negotiation: Yes Speed: Unknown! Duplex: Unknown! (255) Port: Twisted Pair PHYAD: 0 Transceiver: internal Auto-negotiation: on MDI-X: Unknown Supports Wake-on: umbg Wake-on: d Current message level: 0x00000007 (7) drv probe link Link detected: no (qemu) set_link e1000.0 on [ 84.304582] e1000: eth0 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: RX Signed-off-by: Bjørn Mork <bjorn@mork.no> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-08-22char: document the functions that will be the public interfaceAnthony Liguori
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-08-22char: remove qemu_chr_send_event()Anthony Liguori
It's dead code. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-08-22char: rename qemu_chr_get_msgfd() -> qemu_chr_fe_get_msgfd()Anthony Liguori
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-08-22char: rename qemu_chr_close() -> qemu_chr_delete()Anthony Liguori
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-08-22char: qemu_chr_open_opts() -> qemu_chr_new_from_opts()Anthony Liguori
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-08-22char: rename qemu_chr_open() -> qemu_chr_new()Anthony Liguori
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-08-22char: rename qemu_chr_set_echo() -> qemu_chr_fe_set_echo()Anthony Liguori
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-08-22char: qemu_chr_ioctl() -> qemu_chr_fe_ioctl()Anthony Liguori
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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