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Alexander Bulekov 230376d285 memory: add a sparse memory device for fuzzing 
For testing, it can be useful to simulate an enormous amount of memory
(e.g. 2^64 RAM). This adds an MMIO device that acts as sparse memory.
When something writes a nonzero value to a sparse-mem address, we
allocate a block of memory. For now, since the only user of this device
is the fuzzer, we do not track and free zeroed blocks. The device has a
very low priority (so it can be mapped beneath actual RAM, and virtual
device MMIO regions).

Signed-off-by: Alexander Bulekov <alxndr@bu.edu>
Reviewed-by: Darren Kenny <darren.kenny@oracle.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-03-16 14:30:30 -04:00
..
9pfs qtest: delete superfluous inclusions of qtest.h 2021-03-09 06:03:53 +01:00
acpi acpi/core: always set SCI_EN when SMM isn't supported 2021-02-23 10:58:42 -05:00
adc clock: Add ClockEvent parameter to callbacks 2021-03-08 17:20:01 +00:00
alpha vl: extract softmmu/datadir.c 2020-12-10 12:15:18 -05:00
arm hw/arm: Connect PWM fans in NPCM7XX boards 2021-03-12 12:50:36 +00:00
audio audio/via-ac97: Simplify code and set user_creatable to false 2021-01-04 23:24:44 +01:00
avr hw/avr/arduino: List board schematic links 2021-03-15 00:39:52 +01:00
block virtio-blk: Respect discard granularity 2021-03-15 09:48:53 +00:00
char Pull request 2021-03-11 18:55:27 +00:00
core -----BEGIN PGP SIGNATURE----- 2021-03-16 10:53:47 +00:00
cpu cpu/core: Register core-id and nr-threads as class properties 2020-09-22 16:48:29 -04:00
cris cris: do not use ram_size global 2020-12-10 12:15:07 -05:00
display target-arm queue: 2021-03-14 13:18:49 +00:00
dma target-arm queue: 2021-03-10 13:57:31 +00:00
gpio hw: gpio: implement gpio-pwr driver for qemu reset/poweroff 2021-01-29 10:47:28 +00:00
hppa hw: Use the PCI_SLOT() macro from 'hw/pci/pci.h' 2021-01-04 23:24:44 +01:00
hyperv qdev: Move softmmu properties to qdev-properties-system.h 2020-12-18 15:20:17 -05:00
i2c hw/i2c/npcm7xx_smbus: Simplify npcm7xx_smbus_init() 2021-03-05 15:17:34 +00:00
i386 dma: Introduce dma_aligned_pow2_mask() 2021-03-12 12:40:10 +00:00
ide sysemu: Let VMChangeStateHandler take boolean 'running' argument 2021-03-09 23:13:57 +01:00
input Remove superfluous timer_del() calls 2021-01-08 15:13:38 +00:00
intc sysemu: Let VMChangeStateHandler take boolean 'running' argument 2021-03-09 23:13:57 +01:00
ipack Use OBJECT_DECLARE_SIMPLE_TYPE when possible 2020-09-18 14:12:32 -04:00
ipmi Remove superfluous timer_del() calls 2021-01-08 15:13:38 +00:00
isa acpi/core: always set SCI_EN when SMM isn't supported 2021-02-23 10:58:42 -05:00
lm32 hw/lm32/Kconfig: Have MILKYMIST select LM32_DEVICES 2021-03-09 22:37:08 +01:00
m68k esp: rename existing ESP QOM type to SYSBUS_ESP 2021-03-07 10:39:05 +00:00
mem memory: add a sparse memory device for fuzzing 2021-03-16 14:30:30 -04:00
microblaze vl: make qemu_get_machine_opts static 2020-12-15 12:51:55 -05:00
mips hw/mips/gt64xxx: Trace accesses to ISD registers 2021-03-13 20:29:36 +01:00
misc hw/misc/led: Add yellow LED 2021-03-15 00:39:30 +01:00
moxie moxie: do not use ram_size global 2020-12-10 12:15:08 -05:00
net net: Move NetClientState.info_str to dynamic allocations 2021-03-15 16:41:22 +08:00
nios2 * New -action option and set-action QMP command (Alejandro) 2020-12-15 21:24:31 +00:00
nubus meson: convert hw/nubus 2020-08-21 06:30:25 -04:00
nvram sysemu: Let VMChangeStateHandler take boolean 'running' argument 2021-03-09 23:13:57 +01:00
openrisc target/openrisc: Move pic_cpu code into CPU object proper 2020-12-15 12:04:30 +00:00
pci hw/pci: Have safer pcie_bus_realize() by checking error path 2021-03-02 09:16:18 -05:00
pci-bridge Kconfig: Compile PXB for ARM_VIRT 2021-01-17 06:42:54 -05:00
pci-host hw/pci-host: Introduce SH_PCI Kconfig entry 2021-03-06 16:18:42 +01:00
pcmcia pxa2xx: Move QOM macros to header 2020-08-27 14:04:55 -04:00
ppc ppc patch queue for 2021-03-10 2021-03-12 11:30:55 +00:00
rdma pvrdma: wean code off pvrdma_ring.h kernel header 2021-03-15 16:41:22 +08:00
remote multi-process: perform device reset in the remote process 2021-02-10 09:23:28 +00:00
riscv Testing, guest-loader and other misc tweaks 2021-03-11 16:20:58 +00:00
rtc goldfish_rtc: re-arm the alarm after migration 2021-03-04 09:43:29 -05:00
rx qtest: delete superfluous inclusions of qtest.h 2021-03-09 06:03:53 +01:00
s390x sysemu: Let VMChangeStateHandler take boolean 'running' argument 2021-03-09 23:13:57 +01:00
scsi sysemu: Let VMChangeStateHandler take boolean 'running' argument 2021-03-09 23:13:57 +01:00
sd Pull request trivial patches 20210220 2021-02-21 12:12:18 +00:00
sh4 hw/sh4/sh7750_regs: Replace link to license by its full content 2021-03-06 16:19:03 +01:00
smbios i386: do not use ram_size global 2020-12-10 12:15:08 -05:00
sparc esp: rename existing ESP QOM type to SYSBUS_ESP 2021-03-07 10:39:05 +00:00
sparc64 vl: extract softmmu/datadir.c 2020-12-10 12:15:18 -05:00
ssi hw/ssi: xilinx_spips: Remove DMA related dead codes from zynqmp_spips 2021-03-10 13:54:51 +00:00
timer hw/timer/sse-timer: Propagate eventual error in sse_timer_realize() 2021-03-12 12:43:52 +00:00
tpm tpm: put some tpm devices into the correct category 2021-02-20 12:36:19 +01:00
tricore tricore: added triboard with tc27x_soc 2021-03-14 14:41:55 +01:00
unicore32 meson: convert hw/arch* 2020-08-21 06:30:33 -04:00
usb sysemu: Let VMChangeStateHandler take boolean 'running' argument 2021-03-09 23:13:57 +01:00
vfio sysemu: Let VMChangeStateHandler take boolean 'running' argument 2021-03-09 23:13:57 +01:00
virtio virtio-net: calculating proper msix vectors on init 2021-03-15 16:41:22 +08:00
watchdog clock: Add ClockEvent parameter to callbacks 2021-03-08 17:20:01 +00:00
xen pci: add romsize property 2021-02-05 08:52:58 -05:00
xenpv meson: convert hw/arch* 2020-08-21 06:30:33 -04:00
xtensa vl: make qemu_get_machine_opts static 2020-12-15 12:51:55 -05:00
Kconfig semihosting: Move hw/semihosting/ -> semihosting/ 2021-03-10 15:34:12 +00:00
meson.build semihosting: Move hw/semihosting/ -> semihosting/ 2021-03-10 15:34:12 +00:00