git: bbb00b1719f1 - main - pmap_bootstrap_la57(): reload IDT
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Date: Mon, 16 Sep 2024 23:02:32 UTC
The branch main has been updated by kib:
URL: https://cgit.FreeBSD.org/src/commit/?id=bbb00b1719f11c58efd5375aebc30ccd13bf0906
commit bbb00b1719f11c58efd5375aebc30ccd13bf0906
Author: Konstantin Belousov <kib@FreeBSD.org>
AuthorDate: 2024-09-16 16:36:31 +0000
Commit: Konstantin Belousov <kib@FreeBSD.org>
CommitDate: 2024-09-16 23:02:14 +0000
pmap_bootstrap_la57(): reload IDT
after the trip through protected mode. This is required by AMD64 ARM.
Sponsored by: Advanced Micro Devices (AMD)
Sponsored by: The FreeBSD Foundation
MFC after: 1 week
---
sys/amd64/amd64/pmap.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/sys/amd64/amd64/pmap.c b/sys/amd64/amd64/pmap.c
index eadcb726b6c2..f7e3ef4233ee 100644
--- a/sys/amd64/amd64/pmap.c
+++ b/sys/amd64/amd64/pmap.c
@@ -2263,6 +2263,7 @@ pmap_bootstrap_la57(void *arg __unused)
ssdtosyssd(&gdt_segs[GPROC0_SEL],
(struct system_segment_descriptor *)&__pcpu[0].pc_gdt[GPROC0_SEL]);
ltr(GSEL(GPROC0_SEL, SEL_KPL));
+ lidt(&r_idt);
if (bootverbose)
printf("LA57 trampoline returned, CR4 %#lx\n", rcr4());