The branch main has been updated by kib: URL: https://cgit.FreeBSD.org/src/commit/?id=2912c2fbd44072b7372c24dd34392c01f5104497
commit 2912c2fbd44072b7372c24dd34392c01f5104497 Author: Konstantin Belousov <[email protected]> AuthorDate: 2021-11-06 06:10:16 +0000 Commit: Konstantin Belousov <[email protected]> CommitDate: 2024-09-16 08:08:53 +0000 amd64 pmap: be more verbose around entering and leaving LA57 trampoline Sponsored by: Advanced Micro Devices (AMD) Sponsored by: The FreeBSD Foundation MFC after: 1 week --- sys/amd64/amd64/pmap.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/sys/amd64/amd64/pmap.c b/sys/amd64/amd64/pmap.c index 48aef39e9663..568301344e86 100644 --- a/sys/amd64/amd64/pmap.c +++ b/sys/amd64/amd64/pmap.c @@ -2246,6 +2246,10 @@ pmap_bootstrap_la57(void *arg __unused) la57_trampoline_gdt - la57_trampoline + VM_PAGE_TO_PHYS(m_code); la57_tramp = (void (*)(uint64_t))VM_PAGE_TO_PHYS(m_code); invlpg((vm_offset_t)la57_tramp); + if (bootverbose) { + printf("entering LA57 trampoline at %#lx\n", + (vm_offset_t)la57_tramp); + } la57_tramp(KPML5phys); /* @@ -2260,6 +2264,9 @@ pmap_bootstrap_la57(void *arg __unused) (struct system_segment_descriptor *)&__pcpu[0].pc_gdt[GPROC0_SEL]); ltr(GSEL(GPROC0_SEL, SEL_KPL)); + if (bootverbose) + printf("LA57 trampoline returned, CR4 %#lx\n", rcr4()); + /* * Now unmap the trampoline, and free the pages. * Clear pml5 entry used for 1:1 trampoline mapping.
