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2020-01-07hw/rtc/mc146818: Add missing dependency on ISA BusPhilippe Mathieu-Daudé1-0/+1
The MC146818 sits on an ISA bus. Since it can not be used without it, select ISA in the Kconfig. Fixes: 82f5181777 ("kconfig: introduce kconfig files", 2019-03-07) Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-Id: <20191224111628.3551-1-philmd@redhat.com> Reviewed-by: Stefano Garzarella <sgarzare@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2019-11-19Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into stagingPeter Maydell1-39/+40
* microvm docs and fixes (Sergio, Liam) * New processor features for Intel errata (myself, Pawan) * Kconfig fixes (myself, Thomas) * Revert mc146818rtc change (myself) * Deprecate scsi-disk (myself) * RTC fix (myself, Marcelo) # gpg: Signature made Tue 19 Nov 2019 09:03:49 GMT # gpg: using RSA key BFFBD25F78C7AE83 # gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full] # gpg: aka "Paolo Bonzini <pbonzini@redhat.com>" [full] # Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4 E2F7 7E15 100C CD36 69B1 # Subkey fingerprint: F133 3857 4B66 2389 866C 7682 BFFB D25F 78C7 AE83 * remotes/bonzini/tags/for-upstream: mc146818rtc: fix timer interrupt reinjection again Revert "mc146818rtc: fix timer interrupt reinjection" scsi: deprecate scsi-disk hw/i386: Move save_tsc_khz from PCMachineClass to X86MachineClass docs/microvm.rst: add instructions for shutting down the guest docs/microvm.rst: fix alignment in "Limitations" vfio: vfio-pci requires EDID hw/i386: Fix compiler warning when CONFIG_IDE_ISA is disabled target/i386: Export TAA_NO bit to guests target/i386: add PSCHANGE_NO bit for the ARCH_CAPABILITIES MSR microvm: fix memory leak in microvm_fix_kernel_cmdline scripts: Detect git worktrees for get_maintainer.pl --git Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-11-19pl031: Expose RTCICR as proper WC registerAlexander Graf1-5/+1
The current PL031 RTCICR register implementation always clears the IRQ pending status on a register write, regardless of the value the guest writes. To justify that behavior, it references the ARM926EJ-S Development Chip Reference Manual (DDI0287B) and indicates that said document states that any write clears the internal IRQ state. It is indeed true that in section 11.1 this document says: "The interrupt is cleared by writing any data value to the interrupt clear register RTCICR". However, later in section 11.2.2 it contradicts itself by saying: "Writing 1 to bit 0 of RTCICR clears the RTCINTR flag." The latter statement matches the PL031 TRM (DDI0224C), which says: "Writing 1 to bit position 0 clears the corresponding interrupt. Writing 0 has no effect." Let's assume that the self-contradictory DDI0287B is in error, and follow the reference manual for the device itself, by making the register write-one-to-clear. Reported-by: Hendrik Borghorst <hborghor@amazon.de> Signed-off-by: Alexander Graf <graf@amazon.com> Message-id: 20191104115228.30745-1-graf@amazon.com [PMM: updated commit message to note that DDI0287B says two conflicting things] Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-11-19mc146818rtc: fix timer interrupt reinjection againPaolo Bonzini1-7/+9
Commit 369b41359af46bded5799c9ef8be2b641d92e043 broke timer interrupt reinjection when there is no period change by the guest. In that case, old_period is 0, which ends up zeroing irq_coalesced (counter of reinjected interrupts). The consequence is Windows 7 is unable to synchronize time via NTP. Easily reproducible by playing a fullscreen video with cirrus and VNC. Fix by passing s->period when periodic_timer_update is called due to expiration of the timer. With this change, old_period == 0 only means that the periodic timer was off. Reported-by: Marcelo Tosatti <mtosatti@redhat.com> Co-developed-by: Marcelo Tosatti <mtosatti@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2019-11-19Revert "mc146818rtc: fix timer interrupt reinjection"Paolo Bonzini1-34/+33
This reverts commit b429de730174b388ea5760e3debb0d542ea3c261, except that the reversal of the outer "if (period)" is left in. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2019-10-26Merge commit 'df84f17' into HEADPaolo Bonzini1-63/+31
This merge fixes a semantic conflict with the trivial tree. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2019-10-24hw/rtc/xlnx-zynqmp-rtc: Remove unused "ptimer.h" includePhilippe Mathieu-Daudé1-1/+0
The "hw/ptimer.h" header is not used, remove it. Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Acked-by: Peter Maydell <peter.maydell@linaro.org> Message-Id: <20191003230404.19384-14-philmd@redhat.com> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2019-10-24hw/rtc/mc146818: Include mc146818rtc_regs.h a bit lessPhilippe Mathieu-Daudé1-0/+1
Only 2 source files require the "mc146818rtc_regs.h" header. Instead of having it processed 12 times, by all objects using "mc146818rtc.h", include it directly where used. Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-Id: <20191003230404.19384-13-philmd@redhat.com> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2019-10-24hw: Move Aspeed RTC from hw/timer/ to hw/rtc/ subdirectoryPhilippe Mathieu-Daudé3-0/+186
Move RTC devices under the hw/rtc/ subdirectory. Reviewed-by: Cédric Le Goater <clg@kaod.org> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Acked-by: Peter Maydell <peter.maydell@linaro.org> Message-Id: <20191003230404.19384-12-philmd@redhat.com> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2019-10-24hw: Move Exynos4210 RTC from hw/timer/ to hw/rtc/ subdirectoryPhilippe Mathieu-Daudé2-0/+609
Move RTC devices under the hw/rtc/ subdirectory. Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Acked-by: Peter Maydell <peter.maydell@linaro.org> Message-Id: <20191003230404.19384-11-philmd@redhat.com> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2019-10-24hw: Move Xilinx ZynqMP RTC from hw/timer/ to hw/rtc/ subdirectoryPhilippe Mathieu-Daudé3-0/+280
Move RTC devices under the hw/rtc/ subdirectory. Remove Alistair outdated email address (see commit c22e580c2ad). Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Acked-by: Peter Maydell <peter.maydell@linaro.org> Message-Id: <20191003230404.19384-10-philmd@redhat.com> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2019-10-24hw: Move DS1338 device from hw/timer/ to hw/rtc/ subdirectoryPhilippe Mathieu-Daudé3-0/+246
The DS1338 is a Real Time Clock, not a timer. Move it under the hw/rtc/ subdirectory. Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Acked-by: Peter Maydell <peter.maydell@linaro.org> Message-Id: <20191003230404.19384-9-philmd@redhat.com> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2019-10-24hw: Move TWL92230 device from hw/timer/ to hw/rtc/ subdirectoryPhilippe Mathieu-Daudé3-0/+903
The TWL92230 is an "energy management device" companion with a RTC. Since we mostly model the RTC, move it under the hw/rtc/ subdirectory. Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Acked-by: Peter Maydell <peter.maydell@linaro.org> Message-Id: <20191003230404.19384-8-philmd@redhat.com> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2019-10-24hw: Move sun4v hypervisor RTC from hw/timer/ to hw/rtc/ subdirectoryPhilippe Mathieu-Daudé4-0/+103
Move RTC devices under the hw/rtc/ subdirectory. Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Artyom Tarasenko <atar4qemu@gmail.com> Message-Id: <20191003230404.19384-7-philmd@redhat.com> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2019-10-24hw: Move M41T80 device from hw/timer/ to hw/rtc/ subdirectoryPhilippe Mathieu-Daudé3-0/+124
The M41T80 is a Real Time Clock, not a timer. Move it under the hw/rtc/ subdirectory. Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-Id: <20191003230404.19384-6-philmd@redhat.com> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2019-10-24hw: Move M48T59 device from hw/timer/ to hw/rtc/ subdirectoryPhilippe Mathieu-Daudé5-0/+994
The M48T59 is a Real Time Clock, not a timer. Move it under the hw/rtc/ subdirectory. Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-Id: <20191003230404.19384-5-philmd@redhat.com> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2019-10-24hw: Move MC146818 device from hw/timer/ to hw/rtc/ subdirectoryPhilippe Mathieu-Daudé3-0/+1067
The MC146818 is a Real Time Clock, not a timer. Move it under the hw/rtc/ subdirectory. Use copyright statement from 80cabfad163 for "hw/rtc/mc146818rtc.h". Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Acked-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-Id: <20191003230404.19384-4-philmd@redhat.com> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2019-10-24hw: Move PL031 device from hw/timer/ to hw/rtc/ subdirectoryPhilippe Mathieu-Daudé4-0/+355
The PL031 is a Real Time Clock, not a timer. Move it under the hw/rtc/ subdirectory. Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Acked-by: Peter Maydell <peter.maydell@linaro.org> Message-Id: <20191003230404.19384-3-philmd@redhat.com> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
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