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Ruslan Bukin 9be0058ea0 riscv vmm: virtual timer support. 
Add a virtual timer implementation based on SBI Time extension.
This is needed for Eswin EIC7700 SoC which does not include the newer SSTC
extension.

Timer interrupt pending bit (STIP) could not be cleared in the guest system,
so rework interrupts handling: add new "interrupts_pending" field. Use it
for timer interrupt only for now, but later we can extend to store all
pending interrupts (Timer, IPI and External).

With this I'm able to boot FreeBSD (SMP) guest on HiFive Premier P550,
which is the first real hardware with RISC-V 'H'-spec included.

Differential Revision: https://reviews.freebsd.org/D48133
2025-01-02 16:02:39 +00:00
..
config.mk Retire non-NEW_PCIB code and remove config option 2024-07-18 18:55:12 +01:00
debuginfo.ldscript kernel: Add new dwarf symbols 2024-07-31 22:23:25 -06:00
dtb.build.mk sys: Remove $FreeBSD$: one-line sh pattern 2023-08-16 11:54:58 -06:00
dtb.mk sys: Remove $FreeBSD$: one-line sh pattern 2023-08-16 11:54:58 -06:00
files pf: nat64 2024-12-17 11:07:12 +01:00
files.amd64 ice_ddp: Update to 1.3.41.0 2024-10-28 15:55:25 -07:00
files.arm dtrace: Avoid including dtrace_isa.c directly into dtrace.c 2024-07-24 17:24:46 -04:00
files.arm64 arm64: add a driver for the Apple Interrupt Controller 2024-12-17 08:24:14 -06:00
files.i386 files.x86: Pull in some more duplicate lines from files.{amd64,i386} 2024-04-12 14:35:45 -07:00
files.powerpc ice_ddp: Update to 1.3.41.0 2024-10-28 15:55:25 -07:00
files.riscv riscv vmm: virtual timer support. 2025-01-02 16:02:39 +00:00
files.x86 AMD IOMMU driver 2024-11-03 01:45:40 +02:00
kern.mk sys: move SAN and COVERAGE options handling to kern.mk 2024-11-12 19:04:13 +00:00
kern.opts.mk Revert "config.mk: Add MK_VIMAGE knob" 2024-04-25 22:43:36 +01:00
kern.post.mk sys: move SAN and COVERAGE options handling to kern.mk 2024-11-12 19:04:13 +00:00
kern.pre.mk conf: Fix KCSAN enablement checking 2024-11-17 16:40:33 +00:00
kmod.mk sys: move SAN and COVERAGE options handling to kern.mk 2024-11-12 19:04:13 +00:00
kmod.opts.mk sys: Remove $FreeBSD$: one-line sh pattern 2023-08-16 11:54:58 -06:00
kmod_syms.awk sys: Remove $FreeBSD$: one-line sh pattern 2023-08-16 11:54:58 -06:00
kmod_syms_prefix.awk sys: Remove $FreeBSD$: one-line sh pattern 2023-08-16 11:54:58 -06:00
ldscript.amd64 kernel: Fix defining of .init_array and .fini_array sections 2024-09-02 12:26:47 +08:00
ldscript.arm arm: link all .rodata variants into one output section 2024-11-17 12:35:55 +01:00
ldscript.arm64 kernel: Add defination of .init_array and .fini_array for all other platforms 2024-09-02 12:26:48 +08:00
ldscript.i386 kernel: Fix defining of .init_array and .fini_array sections 2024-09-02 12:26:47 +08:00
ldscript.kmod.amd64 sys: Remove $FreeBSD$: two-line .h pattern 2023-08-16 11:54:11 -06:00
ldscript.kmod.i386 sys: Remove $FreeBSD$: two-line .h pattern 2023-08-16 11:54:11 -06:00
ldscript.powerpc kernel: Add defination of .init_array and .fini_array for all other platforms 2024-09-02 12:26:48 +08:00
ldscript.powerpc64 kernel: Add defination of .init_array and .fini_array for all other platforms 2024-09-02 12:26:48 +08:00
ldscript.powerpc64le kernel: Add defination of .init_array and .fini_array for all other platforms 2024-09-02 12:26:48 +08:00
ldscript.powerpcspe kernel: Add defination of .init_array and .fini_array for all other platforms 2024-09-02 12:26:48 +08:00
ldscript.riscv kernel: Add defination of .init_array and .fini_array for all other platforms 2024-09-02 12:26:48 +08:00
Makefile.amd64 sys: Remove ancient SCCS tags. 2023-11-26 22:23:30 -07:00
Makefile.arm genassym: Remove stale *if.h depends 2024-12-06 10:31:36 -07:00
Makefile.arm64 arm: Improve the creation of kernel.bin 2024-11-09 08:15:23 +01:00
Makefile.i386 sys: Remove ancient SCCS tags. 2023-11-26 22:23:30 -07:00
Makefile.powerpc sys: Remove ancient SCCS tags. 2023-11-26 22:23:30 -07:00
Makefile.riscv genassym: Remove stale *if.h depends 2024-12-06 10:31:36 -07:00
newvers.sh newvers: Set explicit git revision length 2024-12-13 08:06:10 -05:00
NOTES Revert "LINT: Add mac_do" 2024-10-23 15:40:14 +08:00
options Remove SOC FPGA drivers 2024-12-06 17:38:52 -05:00
options.amd64 uart: Support EARLY_PRINTF on x86 for port-mapped COM ports 2023-10-20 16:07:24 -06:00
options.arm arm: prune imx5 support from the tree 2023-10-26 22:55:17 -05:00
options.arm64 Import the kernel parts of bhyve/arm64 2024-02-21 18:55:32 +00:00
options.i386 i386: Use DEV_HYPERV to enable HyperV APIC vector 2024-04-13 19:10:44 -07:00
options.powerpc sys: Remove $FreeBSD$: one-line sh pattern 2023-08-16 11:54:58 -06:00
options.riscv riscv: Allwinner D1 clock and reset driver 2024-11-16 15:04:04 -04:00
std.debug netinet: default mib counter probe points off 2024-11-20 09:52:48 +01:00
std.nodebug netinet: default mib counter probe points off 2024-11-20 09:52:48 +01:00
sysent.mk Update mentions of makesyscalls.lua 2024-10-30 21:04:31 +00:00
systags.sh sys: Remove ancient SCCS tags. 2023-11-26 22:23:30 -07:00
vdso_amd64.ldscript spdx: The BSD-2-Clause-FreeBSD identifier is obsolete, drop -FreeBSD 2023-05-12 10:44:03 -06:00
vdso_amd64_ia32.ldscript spdx: The BSD-2-Clause-FreeBSD identifier is obsolete, drop -FreeBSD 2023-05-12 10:44:03 -06:00
WITHOUT_SOURCELESS sys: Remove $FreeBSD$: one-line sh pattern 2023-08-16 11:54:58 -06:00
WITHOUT_SOURCELESS_HOST sys: Remove $FreeBSD$: one-line sh pattern 2023-08-16 11:54:58 -06:00
WITHOUT_SOURCELESS_UCODE sys: Remove $FreeBSD$: one-line sh pattern 2023-08-16 11:54:58 -06:00