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Query MVPConf0.PVPE for number of CPUs.

Avoid repeated address calculation for malta_ap_boot.

Rewrite RISC-V disassembler:

Add RISC-V instructions encoding.

Implement uma_small_alloc(), uma_small_free().

Add a comment on why we pause the thread

I tested this on RISC-V. It boots multiuser fine.

Increase timeout for timedmutex_test:mutex2, timedmutex_test:mutex3

Return ENAMETOOLONG if the latest copied character

MAXLOGNAME changed to 33 in r243023.

Replace __riscv__ with __riscv.

Increase timeout for nop_test:stripesize.

Implement pt_fpreg_to_ucontext(), pt_ucontext_to_fpreg().

Save and restore floating-point arguments.

Don't overwrite tp in set_mcontext().

o Don't overwrite tp in fork_trampoline().

o Correctly set user tls base: consider TP_OFFSET.

Disable VIMAGE on RISC-V.

Use SPP (Supervisor Previous Privilege) bit in the sstatus

Disable OFED for RISC-V: it does not build.

Disable 'C'-compressed ISA extension.

Unused string removed

Remove unused string.

Fix setjmp for RISC-V:

PROFILE, TESTS and CXX build options are no longer broken for RISC-V.

Add a GCC 7.1.0 no-error warning flag.

update setjmp only for now

Add a GCC 8.1 warning flag.

I also booted multiuser in QEMU with this change and it works fine. Thank you

Revert 335888 ("Ensure va_list is declared by including stdarg.h.")

Fix build: utf8strvisx() does signed data comparisons, but 'char' type

o Ensure va_list is declared by including stdarg.h.

Add GCC 8.1.0 compiler warning flags.

Include UART driver since it is now provided in QEMU.

Update our copies of config.guess and config.sub scripts

PLIC driver was sponsored by ECATS contract, not CTSRD one.

Fix uma_zalloc_pcpu_arg() operation in case of !SMP build.

o Implement unw_getcontext()

Don't use TARGET_ARCH in this file, use MACHINE_ARCH instead.

Update config.guess and config.sub to the latest version.

Make virtio queue re-initialization steps to be similar to

In D15821#334539, @bryanv wrote:
I don't follow why qemu clearing "pointers" means that we realloc the virtqueues in the guest. The host virtqueue state is reinitialized as part of the reinit process. Also, what do you believe has "recently" changed in qemu's virtio_reset? The blame shows very little changes in the last several years.

I didn't write the MMIO driver and am not as familiar the spec, but perhaps your issue is because vtmmio_reinit_virtqueue() does not replicate all the steps that vtmmio_alloc_virtqueues() perform. Namely, it is missing
		vtmmio_write_config_4(sc, VIRTIO_MMIO_QUEUE_NUM, size);
		vtmmio_write_config_4(sc, VIRTIO_MMIO_QUEUE_ALIGN,
		    VIRTIO_MMIO_VRING_ALIGN);
that I could see being otherwise reset by qemu because of a reset status.

Reinitialize virtqueue registers

Teardown virtqueues before RESET in virtio PCI bus driver as well

Don't jump to VA space until kernel is ready.

Include VirtIO devices to the GENERIC configuration file.

o Add driver for PLIC (Platform-Level Interrupt Controller) device.

Add simplebus-like RISC-V SoC bus.

Release secondary cores from WFI (wait for interrupt) by sending them

Align virtual addressing entries.

Sort GCC warning flags and remove duplicates.

Fix build: ignore a GCC 7.2.0 warning which says that third argument of

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