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aliguori 871d2f0796 Fix some issues with QEMUFile 
This patch allows QEMUFile's read and write operations to return 
negative error codes.  This is necessary to detect things like closed 
streams during live migration.

It also removes unused code for QEMUFileFD write path.  Finally, it 
makes sure to avoid attempting to flush an output buffer if the file
is only being used for input.  This was spotted by Uri Lublin.

Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>



git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5474 c046a42c-6fe2-441c-8c8c-71466251a162
 		2008-10-13 03:07:56 +00:00
..
ac97.c Add calls to pci_device_save/load 2008-06-21 17:14:50 +00:00
acpi.c x86: Fix powerdown for non-ACPI case 2008-09-02 00:09:25 +00:00
adb.c
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adlib.c
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ads7846.c Remove duplicate device index calculations. 2008-07-01 21:31:54 +00:00
alpha_palcode.c [PATCH] alpha: fix linux syscall convention 2008-09-17 22:04:29 +00:00
an5206.c machine struct - specify max_cpus at the per machine level (Jes Sorensen) 2008-10-07 20:39:39 +00:00
apb_pci.c Wrap long lines 2008-05-12 16:13:33 +00:00
apic.c hw/apic.c: use functions from host-utils.h 2008-10-12 20:16:03 +00:00
arm-misc.h Fix warnings that would be caused by ld flag --warn-common 2008-09-17 19:04:14 +00:00
arm_boot.c Move the excess of arm_load_kernel() parameters into a struct. 2008-04-14 20:27:51 +00:00
arm_gic.c Save/restore for stellaris boards. 2008-07-02 16:48:32 +00:00
arm_pic.c
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arm_sysctl.c
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arm_timer.c Save/restore for stellaris boards. 2008-07-02 16:48:32 +00:00
armv7m.c
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armv7m_nvic.c Fix warnings that would be caused by ld flag --warn-common 2008-09-17 19:04:14 +00:00
audiodev.h ISA version of CS4231A 2008-06-13 10:48:22 +00:00
baum.c Braille device support 2008-04-08 06:01:02 +00:00
baum.h Braille device support 2008-04-08 06:01:02 +00:00
blizzard.c Add qemu_realloc(), by Gerd Hoffmann. 2008-08-06 08:37:17 +00:00
blizzard_template.h Fix update region size in EPSON blizzard. 2008-04-22 02:52:38 +00:00
boards.h machine struct - specify max_cpus at the per machine level (Jes Sorensen) 2008-10-07 20:39:39 +00:00
bt-hci-csr.c Emulate a serial bluetooth HCI with H4+ extensions and attach to n8x0's UART. 2008-09-28 23:34:13 +00:00
bt-hci.c Make sure bluez programs (cross-)compile, add missing statics. 2008-09-30 02:27:44 +00:00
bt-hid.c Bluetooth HIDP emulation on top of usb-hid.c and L2CAP and SDP. 2008-09-29 00:25:17 +00:00
bt-l2cap.c Add L2CAP logic and a virtual SDP server for use in emulated devices. 2008-09-29 00:14:22 +00:00
bt-sdp.c Add L2CAP logic and a virtual SDP server for use in emulated devices. 2008-09-29 00:14:22 +00:00
bt.c Add a "null" bluetooth HCI and a header file for bluetooth. 2008-09-28 23:19:47 +00:00
bt.h Use VHCI to allow the host os to participate in a qemu bluetooth "vlan". 2008-09-29 00:31:41 +00:00
cbus.c Nokia N800 machine support (ARM). 2008-04-14 21:57:44 +00:00
cdrom.c
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cirrus_vga.c Optional "precise" VGA retrace support 2008-09-28 00:42:12 +00:00
cirrus_vga_rop.h CVE-2007-1320 - Cirrus LGD-54XX "bitblt" heap overflow 2008-05-05 21:26:31 +00:00
cirrus_vga_rop2.h
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cs4231.c Wrap long lines 2008-05-12 16:13:33 +00:00
cs4231a.c Disable xLaw debugging 2008-06-21 17:15:00 +00:00
cuda.c
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devices.h TC6393XB system features (Dmitry Baryshkov). 2008-06-09 00:03:13 +00:00
dma.c Re-add static qualifier. Fix annother occurance of "const static". 2008-07-05 17:03:54 +00:00
ds1225y.c ds1225y nvram: Fix some bugs 2008-03-13 19:23:00 +00:00
dummy_m68k.c machine struct - specify max_cpus at the per machine level (Jes Sorensen) 2008-10-07 20:39:39 +00:00
e1000.c Resurrect the safe part of r5274 2008-10-02 19:14:17 +00:00
e1000_hw.h Fix few spelling issues in comments 2008-04-11 04:55:07 +00:00
ecc.c
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eccmemctl.c Fix buffer overruns (reported by Julian Seward) 2008-06-19 17:38:15 +00:00
eepro100.c Various NICs: Fix suspend/resume of multiple instances, by Jan Kiszka. 2008-07-18 18:02:34 +00:00
eeprom93xx.c
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eeprom93xx.h
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es1370.c Add calls to pci_device_save/load 2008-06-21 17:14:50 +00:00
esp.c Resurrect the safe part of r5274 2008-10-02 19:14:17 +00:00
etraxfs.c machine struct - specify max_cpus at the per machine level (Jes Sorensen) 2008-10-07 20:39:39 +00:00
etraxfs.h ETRAX: Add NMI support to the watchdog and the interrupt controller. 2008-06-09 23:33:30 +00:00
etraxfs_dma.c ETRAX-FS: Add support for DMA channel resets, needed for recent linux kernels. 2008-09-03 14:40:17 +00:00
etraxfs_dma.h Add support for parts of the etraxfs dma controller. 2008-05-11 15:03:06 +00:00
etraxfs_eth.c ETRAX-FS: Correct ethernet PHY diagnostics register reads. 2008-09-22 20:34:18 +00:00
etraxfs_pic.c ETRAX: Add NMI support to the watchdog and the interrupt controller. 2008-06-09 23:33:30 +00:00
etraxfs_ser.c Avoid refering to CRIS specific cpu-state to be able to use these blocks with other cores. 2008-06-30 11:51:12 +00:00
etraxfs_timer.c Avoid refering to CRIS specific cpu-state to be able to use these blocks with other cores. 2008-06-30 11:51:12 +00:00
fdc.c FDC: Fix data transfer len (Hervé Poussineau) 2008-05-01 19:05:12 +00:00
fdc.h Wire up TC signal from Aux1 to FDC 2008-03-21 18:05:23 +00:00
firmware_abi.h Fix some compiler signed/unsigned char warnings 2008-06-23 17:52:43 +00:00
flash.h Fill in WLAN and BT platform data in CAL area as expected by Maemo. 2008-07-29 14:19:16 +00:00
fmopl.c
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fmopl.h
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fw_cfg.c Move nographic export to sysemu.h 2008-10-04 07:22:29 +00:00
fw_cfg.h Add common keys to firmware configuration 2008-09-18 18:33:18 +00:00
g364fb.c Fix g364fb video emulation 2008-08-17 01:44:53 +00:00
g364fb_template.h Fix g364fb video emulation 2008-08-17 01:44:53 +00:00
grackle_pci.c
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gt64xxx.c GT64XXX: fix endianness issues: 2008-03-10 00:12:14 +00:00
gumstix.c machine struct - specify max_cpus at the per machine level (Jes Sorensen) 2008-10-07 20:39:39 +00:00
gus.c Avoid signedness warnings 2008-07-05 13:40:58 +00:00
gusemu.h Fix some signedness issues caught by gcc 4.3 2008-06-08 01:42:47 +00:00
gusemu_hal.c
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gusemu_mixer.c Fix some signedness issues caught by gcc 4.3 2008-06-08 01:42:47 +00:00
gustate.h
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heathrow_pic.c
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hw.h Fix some issues with QEMUFile 2008-10-13 03:07:56 +00:00
i2c.c Fix load width for slave address in i2c_bus_load (Chris Lalancette). 2008-07-29 13:57:48 +00:00
i2c.h Fix i2c save/restore. 2008-07-01 23:16:53 +00:00
i8254.c
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i8259.c Special Mask Mode for i8259 PIC (Sebastian Reichelt). 2008-07-19 09:18:48 +00:00
ide.c Fix IDE DIAGNOSE for packet devices (Vincent Sanders) 2008-10-09 14:19:34 +00:00
integratorcp.c machine struct - specify max_cpus at the per machine level (Jes Sorensen) 2008-10-07 20:39:39 +00:00
iommu.c Fix DMA length bug seen with NetBSD (Cliff Wright) 2008-07-01 19:28:23 +00:00
irq.c
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irq.h
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isa.h Fix some warnings that would be generated by gcc -Wredundant-decls 2008-08-30 09:51:20 +00:00
isa_mmio.c
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jazz_led.c Implement resolution switching in common console code. 2008-07-01 16:24:38 +00:00
lm832x.c Remove duplicate device index calculations. 2008-07-01 21:31:54 +00:00
lsi53c895a.c Add comment to windows SCSI hack. 2008-09-22 16:30:29 +00:00
m48t59.c Unify RTCs that use host time, fix M48t59 alarm. 2008-02-17 11:42:19 +00:00
mac_dbdma.c
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mac_nvram.c
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macio.c
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mainstone.c machine struct - specify max_cpus at the per machine level (Jes Sorensen) 2008-10-07 20:39:39 +00:00
mainstone.h
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max111x.c Remove duplicate device index calculations. 2008-07-01 21:31:54 +00:00
max7310.c Remove duplicate device index calculations. 2008-07-01 21:31:54 +00:00
mc146818rtc.c Unify RTCs that use host time, fix M48t59 alarm. 2008-02-17 11:42:19 +00:00
mcf.h
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mcf5206.c
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mcf5208.c machine struct - specify max_cpus at the per machine level (Jes Sorensen) 2008-10-07 20:39:39 +00:00
mcf_fec.c
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mcf_intc.c
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mcf_uart.c
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mips.h MIPS: remove empty cpu_mips_irqctrl_init() 2008-09-14 16:38:57 +00:00
mips_int.c
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mips_jazz.c machine struct - specify max_cpus at the per machine level (Jes Sorensen) 2008-10-07 20:39:39 +00:00
mips_malta.c machine struct - specify max_cpus at the per machine level (Jes Sorensen) 2008-10-07 20:39:39 +00:00
mips_mipssim.c machine struct - specify max_cpus at the per machine level (Jes Sorensen) 2008-10-07 20:39:39 +00:00
mips_r4k.c machine struct - specify max_cpus at the per machine level (Jes Sorensen) 2008-10-07 20:39:39 +00:00
mips_timer.c MIPS: remove empty cpu_mips_irqctrl_init() 2008-09-14 16:38:57 +00:00
mipsnet.c Fix mipsnet device ID, noticed by Vijay Kumar. 2008-03-28 22:29:33 +00:00
mpcore.c
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mst_fpga.c
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musicpal.c machine struct - specify max_cpus at the per machine level (Jes Sorensen) 2008-10-07 20:39:39 +00:00
nand.c Remove duplicate device index calculations. 2008-07-01 21:31:54 +00:00
ne2000.c Various NICs: Fix suspend/resume of multiple instances, by Jan Kiszka. 2008-07-18 18:02:34 +00:00
nseries.c machine struct - specify max_cpus at the per machine level (Jes Sorensen) 2008-10-07 20:39:39 +00:00
nvram.h Suppress gcc 4.x -Wpointer-sign (included in -Wall) warnings 2008-09-20 08:07:15 +00:00
omap.h Allow attaching devices to OMAP UARTs. 2008-09-20 01:10:32 +00:00
omap1.c Use a QEMUBH when an OMAP timer must expire immediately. 2008-09-20 01:32:07 +00:00
omap2.c Allow attaching devices to OMAP UARTs. 2008-09-20 01:10:32 +00:00
omap_clk.c Omap DPLL & APLL locking logic. 2008-07-21 19:52:54 +00:00
omap_dma.c Fix a bad comparison, spotted by Paul Brook. 2008-07-22 01:57:42 +00:00
omap_dss.c array overflow in hw/stellaris.c and hw/omap_dss.c 2008-08-22 08:57:19 +00:00
omap_i2c.c Omap DPLL & APLL locking logic. 2008-07-21 19:52:54 +00:00
omap_lcd_template.h
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omap_lcdc.c Implement resolution switching in common console code. 2008-07-01 16:24:38 +00:00
omap_mmc.c Collapse omap peripherals on L4 bus into one io entry (temporarily). 2008-05-18 12:14:41 +00:00
onenand.c Fill in WLAN and BT platform data in CAL area as expected by Maemo. 2008-07-29 14:19:16 +00:00
openpic.c
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palm.c machine struct - specify max_cpus at the per machine level (Jes Sorensen) 2008-10-07 20:39:39 +00:00
parallel.c Parallel Port Direction Fix 2008-08-22 08:57:09 +00:00
pc.c machine struct - specify max_cpus at the per machine level (Jes Sorensen) 2008-10-07 20:39:39 +00:00
pc.h Optional "precise" VGA retrace support 2008-09-28 00:42:12 +00:00
pci.c Make PCI class description tables const 2008-10-02 18:33:50 +00:00
pci.h
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pci_host.h
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pckbd.c Revert "QEMU keyboard issue with Gujin-2.2" (Avi Kivity). 2008-07-19 14:16:20 +00:00
pcmcia.h
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pcnet.c Resurrect the safe part of r5274 2008-10-02 19:14:17 +00:00
pcspk.c
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pflash_cfi01.c Increase write buffer size in pflash emulation (Thomas Petazzoni). 2008-10-11 09:19:57 +00:00
pflash_cfi02.c Clean up MMIO TLB handling. 2008-06-09 00:20:13 +00:00
piix_pci.c Use correct types to enable > 2G support, based on a patch from 2008-04-27 21:12:55 +00:00
pixel_ops.h
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pl011.c Save/restore for stellaris boards. 2008-07-02 16:48:32 +00:00
pl022.c Save/restore for stellaris boards. 2008-07-02 16:48:32 +00:00
pl031.c Unify RTCs that use host time, fix M48t59 alarm. 2008-02-17 11:42:19 +00:00
pl050.c
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pl061.c Save/restore for stellaris boards. 2008-07-02 16:48:32 +00:00
pl080.c Suppress gcc 4.x -Wpointer-sign (included in -Wall) warnings 2008-09-20 08:07:15 +00:00
pl110.c Implement resolution switching in common console code. 2008-07-01 16:24:38 +00:00
pl110_template.h
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pl181.c
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pl190.c Remove bogus DisplayState member. 2008-05-25 10:10:12 +00:00
ppc.c Use qemu-log.h 2008-10-04 07:20:07 +00:00
ppc.h
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ppc4xx.h Suppress gcc 4.x -Wpointer-sign (included in -Wall) warnings 2008-09-20 08:07:15 +00:00
ppc4xx_devs.c Use qemu-log.h 2008-10-04 07:20:07 +00:00
ppc405.h
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ppc405_boards.c machine struct - specify max_cpus at the per machine level (Jes Sorensen) 2008-10-07 20:39:39 +00:00
ppc405_uc.c Use qemu-log.h 2008-10-04 07:20:07 +00:00
ppc_chrp.c machine struct - specify max_cpus at the per machine level (Jes Sorensen) 2008-10-07 20:39:39 +00:00
ppc_mac.h
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ppc_oldworld.c machine struct - specify max_cpus at the per machine level (Jes Sorensen) 2008-10-07 20:39:39 +00:00
ppc_prep.c machine struct - specify max_cpus at the per machine level (Jes Sorensen) 2008-10-07 20:39:39 +00:00
prep_pci.c
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primecell.h
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ps2.c Fix keyboard emulation for ARM versatile board: 2008-04-13 16:08:44 +00:00
ps2.h
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ptimer.c Resurrect the safe part of r5274 2008-10-02 19:14:17 +00:00
pxa.h
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pxa2xx.c Resurrect the safe part of r5274 2008-10-02 19:14:17 +00:00
pxa2xx_dma.c Suppress gcc 4.x -Wpointer-sign (included in -Wall) warnings 2008-09-20 08:07:15 +00:00
pxa2xx_gpio.c
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pxa2xx_keypad.c
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pxa2xx_lcd.c Implement resolution switching in common console code. 2008-07-01 16:24:38 +00:00
pxa2xx_mmci.c
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pxa2xx_pcmcia.c
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pxa2xx_pic.c
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pxa2xx_template.h
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pxa2xx_timer.c Resurrect the safe part of r5274 2008-10-02 19:14:17 +00:00
r2d.c machine struct - specify max_cpus at the per machine level (Jes Sorensen) 2008-10-07 20:39:39 +00:00
rc4030.c MIPS Magnum R4000 machine 2008-04-07 19:47:14 +00:00
realview.c machine struct - specify max_cpus at the per machine level (Jes Sorensen) 2008-10-07 20:39:39 +00:00
realview_gic.c
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rtl8139.c Fix most warnings that would be caused by gcc flag -Wundef 2008-09-06 17:47:39 +00:00
sb16.c
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sbi.c
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scsi-disk.c Correct SCSI error reporting (Laurent Vivier) 2008-10-11 09:33:03 +00:00
scsi-disk.h
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scsi-generic.c scsi-generic: decode correctly SCSI tape commands (Laurent Vivier) 2008-09-23 13:38:44 +00:00
scsi.h ESP: Add it_shift parameter (Hervé Poussineau) 2008-04-09 16:32:48 +00:00
sd.c Enable SD card on creation. 2008-06-02 00:55:08 +00:00
sd.h Add basic OMAP2 chip support. 2008-04-14 21:05:22 +00:00
serial.c Add a comment about masking of CTI interrupt in 16550A UART. 2008-09-20 01:15:04 +00:00
sh.h Fix warnings that would be caused by gcc flag -Wwrite-strings 2008-09-14 06:45:34 +00:00
sh7750.c sh4: CPU versioning. 2008-09-02 16:18:28 +00:00
sh7750_regnames.c
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sh7750_regnames.h
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sh7750_regs.h
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sh_intc.c
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sh_intc.h
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sh_serial.c SH4: Serial controller improvement 2008-09-15 07:05:18 +00:00
sh_timer.c
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sharpsl.h Provide basic emulation for Sharp SL-6000 PDA (Tosa), Dmitry Baryshkov. 2008-06-02 01:33:11 +00:00
shix.c machine struct - specify max_cpus at the per machine level (Jes Sorensen) 2008-10-07 20:39:39 +00:00
slavio_intctl.c Wrap long lines 2008-05-12 16:13:33 +00:00
slavio_misc.c Fix compiler warnings 2008-05-10 10:12:00 +00:00
slavio_serial.c Fix NetBSD keyboard problem 2008-07-02 15:17:21 +00:00
slavio_timer.c Wrap long lines 2008-05-12 16:13:33 +00:00
smbus.c
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smbus.h
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smbus_eeprom.c Fix smbus_eeprom.c compile with DEBUG (spotted by Duilio Protti). 2008-06-02 01:48:27 +00:00
smc91c111.c
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soc_dma.c Add qemu_realloc(), by Gerd Hoffmann. 2008-08-06 08:37:17 +00:00
soc_dma.h Handle on-chip DMA controllers in one place, convert OMAP DMA to use it. 2008-07-21 20:40:22 +00:00
sparc32_dma.c
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sparc32_dma.h
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spitz.c machine struct - specify max_cpus at the per machine level (Jes Sorensen) 2008-10-07 20:39:39 +00:00
ssd0303.c Eliminate spurous screen updates. 2008-07-07 23:01:25 +00:00
ssd0323.c Eliminate spurous screen updates. 2008-07-07 23:01:25 +00:00
ssi-sd.c Save/restore for stellaris boards. 2008-07-02 16:48:32 +00:00
stellaris.c machine struct - specify max_cpus at the per machine level (Jes Sorensen) 2008-10-07 20:39:39 +00:00
stellaris_enet.c Save/restore for stellaris boards. 2008-07-02 16:48:32 +00:00
stellaris_input.c Save/restore for stellaris boards. 2008-07-02 16:48:32 +00:00
sun4c_intctl.c Wrap long lines 2008-05-12 16:13:33 +00:00
sun4m.c machine struct - specify max_cpus at the per machine level (Jes Sorensen) 2008-10-07 20:39:39 +00:00
sun4m.h Fix compiler warnings 2008-05-10 10:12:00 +00:00
sun4u.c machine struct - specify max_cpus at the per machine level (Jes Sorensen) 2008-10-07 20:39:39 +00:00
tc6393xb.c Add proper file header. 2008-06-09 14:31:18 +00:00
tc58128.c Fix warnings that would be caused by gcc flag -Wwrite-strings 2008-09-14 06:45:34 +00:00
tcx.c Resurrect the safe part of r5274 2008-10-02 19:14:17 +00:00
tmp105.c Resurrect the safe part of r5274 2008-10-02 19:14:17 +00:00
tosa.c machine struct - specify max_cpus at the per machine level (Jes Sorensen) 2008-10-07 20:39:39 +00:00
tsc210x.c Resurrect the safe part of r5274 2008-10-02 19:14:17 +00:00
tsc2005.c Remove duplicate device index calculations. 2008-07-01 21:31:54 +00:00
tusb6010.c Inventra MUSB-HDRC host-mode USB. 2008-04-22 03:15:10 +00:00
twl92230.c Fix some warnings that would be generated by gcc -Wmissing-prototypes 2008-08-17 20:26:25 +00:00
unin_pci.c
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usb-bt.c Emulate a USB bluetooth dongle (or HCI Transport layer). 2008-09-29 00:40:44 +00:00
usb-hid.c Bluetooth HIDP emulation on top of usb-hid.c and L2CAP and SDP. 2008-09-29 00:25:17 +00:00
usb-hub.c
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usb-msd.c Add image format option for USB mass-storage devices 2008-08-21 22:24:32 +00:00
usb-musb.c Inventra MUSB-HDRC host-mode USB. 2008-04-22 03:15:10 +00:00
usb-net.c Suppress gcc 4.x -Wpointer-sign (included in -Wall) warnings 2008-09-20 08:07:15 +00:00
usb-ohci.c Fix warnings that would be caused by gcc flag -Wwrite-strings 2008-09-14 06:45:34 +00:00
usb-serial.c [PATCH] usb-serial: Fix data corruption with usb serial emulation 2008-09-17 22:04:21 +00:00
usb-uhci.c uhci: Change default transaction lifetime to 32 frames (Max Krasnyansky) 2008-09-11 19:42:00 +00:00
usb-wacom.c
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usb.c usb: generic packet handler cleanup and documentation (Max Krasnyansky) 2008-08-21 19:29:38 +00:00
usb.h Emulate a USB bluetooth dongle (or HCI Transport layer). 2008-09-29 00:40:44 +00:00
versatile_pci.c
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versatilepb.c machine struct - specify max_cpus at the per machine level (Jes Sorensen) 2008-10-07 20:39:39 +00:00
vga.c Fix some debugging mistakes/leftovers 2008-10-11 17:37:25 +00:00
vga_int.h Optional "precise" VGA retrace support 2008-09-28 00:42:12 +00:00
vga_template.h
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vmmouse.c
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vmport.c Silence vmport unless DEBUG is enabled. 2008-08-19 19:13:06 +00:00
vmware_vga.c Don't use ds->dpy_copy directly from hw/ (Jan Niehusmann). 2008-09-24 02:21:24 +00:00
wm8750.c Remove duplicate device index calculations. 2008-07-01 21:31:54 +00:00
zaurus.c Provide basic emulation for Sharp SL-6000 PDA (Tosa), Dmitry Baryshkov. 2008-06-02 01:33:11 +00:00