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authorJohannes Stoelp <johannes.stoelp@gmail.com>2023-11-15 22:40:07 +0100
committerJohannes Stoelp <johannes.stoelp@gmail.com>2023-11-15 22:40:07 +0100
commitf52d556e0e1bf2350b3b42cff198550a267ceb0b (patch)
treed2159e04b508f69466d948b7ec6bbdd1803ae041 /guest/guest64.S
parentc94950f9dca80387aab264c7aa4044feff76625c (diff)
downloadmini-kvm-rs-main.tar.gz
mini-kvm-rs-main.zip
example/long_mode: demonstrate mmio exits for virtually mapped but not physically backed memoryHEADmain
Diffstat (limited to 'guest/guest64.S')
-rw-r--r--guest/guest64.S7
1 files changed, 7 insertions, 0 deletions
diff --git a/guest/guest64.S b/guest/guest64.S
index 533d186..1ca91a5 100644
--- a/guest/guest64.S
+++ b/guest/guest64.S
@@ -18,6 +18,13 @@
mov byte ptr ds:[0x2002], 0xcc
mov byte ptr ds:[0x2003], 0xdd
+ // Write to virtually mapped by not physically mapped address, this should
+ // trigger a `KVM_EXIT_MMIO (w)`.
+ mov byte ptr ds:[0x4000], 0x12
+ mov byte ptr ds:[0x4001], 0x34
+ mov byte ptr ds:[0x4002], 0x56
+ mov byte ptr ds:[0x4003], 0x78
+
// Trigger `KVM_EXIT_HLT`.
hlt