git: d69ab49ce081 - main - bhyve/riscv: fix HSM extension handling.

[Ruslan Bukin]

The branch main has been updated by br:

URL: 
https://cgit.FreeBSD.org/src/commit/?id=d69ab49ce0814a9c3da7ba6567ed71f8713dc192

commit d69ab49ce0814a9c3da7ba6567ed71f8713dc192
Author:     Ruslan Bukin <b...@freebsd.org>
AuthorDate: 2025-02-05 09:23:43 +0000
Commit:     Ruslan Bukin <b...@freebsd.org>
CommitDate: 2025-02-05 09:24:35 +0000

    bhyve/riscv: fix HSM extension handling.
    
    Pass private data from supervisor as the second argument on secondary
    CPU startup.
    
    This is used by Linux guest.
    
    Reviewed by:    markj
    Differential Revision:  https://reviews.freebsd.org/D48807
---
 usr.sbin/bhyve/riscv/vmexit.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/usr.sbin/bhyve/riscv/vmexit.c b/usr.sbin/bhyve/riscv/vmexit.c
index b7d1a272b87e..e2efd53bdede 100644
--- a/usr.sbin/bhyve/riscv/vmexit.c
+++ b/usr.sbin/bhyve/riscv/vmexit.c
@@ -207,6 +207,11 @@ vmexit_ecall_hsm(struct vmctx *ctx __unused, struct vcpu 
*vcpu __unused,
                    vme->u.ecall.args[1]);
                assert(error == 0);
 
+               /* Pass private data. */
+               error = vm_set_register(newvcpu, VM_REG_GUEST_A1,
+                   vme->u.ecall.args[2]);
+               assert(error == 0);
+
                vm_resume_cpu(newvcpu);
                CPU_SET_ATOMIC(hart_id, &running_hartmask);