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

The branch main has been updated by br:

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

commit d69ab49ce0814a9c3da7ba6567ed71f8713dc192
Author:     Ruslan Bukin <br@FreeBSD.org>
AuthorDate: 2025-02-05 09:23:43 +0000
Commit:     Ruslan Bukin <br@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);