git: 9939af1a161e - main - amd64: correctly calculate KVA of the preloaded ucode blob
Konstantin Belousov
kib at FreeBSD.org
Tue Aug 31 01:46:18 UTC 2021
The branch main has been updated by kib:
URL: https://cgit.FreeBSD.org/src/commit/?id=9939af1a161e5c219ece5e7c5bc02dcb9a9960f7
commit 9939af1a161e5c219ece5e7c5bc02dcb9a9960f7
Author: Konstantin Belousov <kib at FreeBSD.org>
AuthorDate: 2021-08-30 20:25:31 +0000
Commit: Konstantin Belousov <kib at FreeBSD.org>
CommitDate: 2021-08-31 01:46:12 +0000
amd64: correctly calculate KVA of the preloaded ucode blob
when kernphys != 2M
Reported and tested by: kbowling
Sponsored by: The FreeBSD Foundation
MFC after: 3 days
---
sys/amd64/amd64/machdep.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/sys/amd64/amd64/machdep.c b/sys/amd64/amd64/machdep.c
index eaf592c9b947..864caa144f0d 100644
--- a/sys/amd64/amd64/machdep.c
+++ b/sys/amd64/amd64/machdep.c
@@ -1642,7 +1642,7 @@ hammer_time(u_int64_t modulep, u_int64_t physfree)
atomic_store_short((u_short *)0x472, 0x1234);
}
- physfree += ucode_load_bsp(physfree + KERNBASE);
+ physfree += ucode_load_bsp(physfree - kernphys + KERNSTART);
physfree = roundup2(physfree, PAGE_SIZE);
identify_cpu1();
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