src/sys/arm64/include/hypervisor.h, branch release/14.3.0FreeBSD source treehttps://cgit-dev.freebsd.org/src/atom?h=release%2F14.3.02024-10-21T15:03:27Zarm64: Don't trap SVE to EL22024-10-21T15:03:27ZAndrew Turnerandrew@FreeBSD.org2024-09-27T13:41:08Zurn:sha1:a16f10ab0aa76d88cc45cc01fae44b94d1873bbc
As with floating point instructions don't trap SVE instructions to the
hypervisor. This lets us handle then in the kernel.
Reviewed by: imp (earlier version)
Sponsored by: Arm Ltd
Differential Revision: https://reviews.freebsd.org/D43303
(cherry picked from commit fe5ed2496e44aec018a6215175bba225b20d81fd)
arm64: Adjust the indentation of CPTR_EL2 values2024-10-21T15:03:26ZAndrew Turnerandrew@FreeBSD.org2024-09-11T09:38:08Zurn:sha1:2db6ffac249731a6ffc10cbf4072d850d5d7e274
Reviewed by: emaste
Sponsored by: Arm Ltd
Differential Revision: https://reviews.freebsd.org/D46513
(cherry picked from commit 7a488d83b3af4d59946319b251a3a2060f18df40)
arm64: add additional MDCR_EL2 fields2024-10-21T15:03:26ZZachary Leafzachary.leaf@arm.com2024-07-03T07:26:34Zurn:sha1:1ee244a9c5da0d965cdac14c92308bd8e73bf57e
Monitor Debug Configuration Register provides EL2 configuration options
for self-hosted debug and the Performance Monitors Extension.
Reviewed by: andrew
Sponsored by: Arm Ltd
Differential Revision: https://reviews.freebsd.org/D46191
(cherry picked from commit 610348a90467980de0498fab8dfdddf221d7a604)
arm64: Ensure sctlr and pstate are in known states2024-09-02T08:48:43ZAndrew Turnerandrew@FreeBSD.org2024-07-23T09:18:24Zurn:sha1:0fbb9df20dd88ba448ea622cf40b3855959653fe
Before entering the kernel exception level ensure sctlr_el2 and
sctlr_el1 are in a known state. The EOS flag needs to be set to ensure
an eret instruction is a context synchronization event.
Set spcr_el1 when entering the kernel from EL1 and use an eret
instruction to return to the caller. This ensures the CPU pstate is
consistent with the value in spcr_el1 as it is the only way to set it
directly.
Sponsored by: Arm Ltd
Differential Revision: https://reviews.freebsd.org/D45528
(cherry picked from commit 034c83fd7d85f57193850a73cc0ac957a211f725)
arm64: Support counter access with E2H2024-09-02T08:48:25ZAndrew Turnerandrew@FreeBSD.org2024-07-23T09:18:00Zurn:sha1:570fae59a8bf9ded19c4de9bf001ee0fa2cf7229
When entering the kernel with the E2H field set the layout of the
cnthctl_el2 register changes. Use the correct field locations to enable
access to the counter and timer registers from EL1.
Sponsored by: Arm Ltd
Differential Revision: https://reviews.freebsd.org/D45529
(cherry picked from commit 997511dffe651e1d2d708f37f2ced430a6ab3349)
arm64: Add a macro to find a VM fault address2024-07-15T12:22:07ZAndrew Turnerandrew@FreeBSD.org2024-02-21T18:17:47Zurn:sha1:c7c27e9ebfdbd8e46f7af9aeee2a4c407e102981
Add a macro to find which bits from far_el2 are needed to be copied
to get the full intermediate physical address (IPA).
The hpfar_el2 register only contains a 4k aligned fault address. We
need to include the lower bits from far_el2 if we need the full
faulting IPA.
(cherry picked from commit b3bbec37ba039a46f7166f6fa3571f38da4253e9)
arm64: Add the TCR_EL2.PS mask2024-07-15T12:21:55ZAndrew Turnerandrew@FreeBSD.org2024-02-21T18:16:43Zurn:sha1:f9878b9c8efa6c0cc43503851831d5525aa0a28e
(cherry picked from commit 9c52f98c9f1abfe6577335522b6007659f759adc)
arm64: Add register definitions for MDCR_EL22023-12-08T14:23:52ZMark Johnstonmarkj@FreeBSD.org2023-12-01T18:28:58Zurn:sha1:4161f141aa798a90da77daacf7c5425a2b99f9b8
This is needed to support the bhyve gdb stub implementation on arm64.
Reviewed by: andrew
MFC after: 1 week
Sponsored by: Innovate UK
Differential Revision: https://reviews.freebsd.org/D42867
(cherry picked from commit 4f12883c360dbb03562f11713e711e3a3a330a0f)
sys: Remove $FreeBSD$: two-line .h pattern2023-08-16T17:54:11ZWarner Loshimp@FreeBSD.org2023-08-16T17:54:11Zurn:sha1:95ee2897e98f5d444f26ed2334cc7c439f9c16c6
Remove /^\s*\*\n \*\s+\$FreeBSD\$$\n/
arm64: set FPEN if we're stuck with HCR_EL2.E2H2023-02-28T22:16:14ZKyle Evanskevans@FreeBSD.org2023-02-24T19:37:20Zurn:sha1:dc8616edc580806afb1efaec1cdc3cc9a1b3804e
On Apple Silicon systems, E2H can't actually be cleared; we're stuck
with it. Check it again when we're setting up CPTR_EL2 and set FPEN
appropriately to avoid later trapping to EL2 on writes to SIMD
registers.
Reviewed by: andrew
Differential Revision: https://reviews.freebsd.org/D38819