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| author | Johannes Stoelp <johannes.stoelp@gmail.com> | 2025-03-14 02:13:23 +0100 |
|---|---|---|
| committer | Johannes Stoelp <johannes.stoelp@gmail.com> | 2025-03-14 02:14:56 +0100 |
| commit | 3ebd8b163dc8d5679d90927de1c2fcd639882362 (patch) | |
| tree | f9a8c33265371606d93ddf5b350fe4e095afb3f8 /guest/guest64.S | |
| parent | b16851fb799b880c31cc65a9fa1aba592b4ce5b4 (diff) | |
| download | mini-kvm-rs-3ebd8b163dc8d5679d90927de1c2fcd639882362.tar.gz mini-kvm-rs-3ebd8b163dc8d5679d90927de1c2fcd639882362.zip | |
Guest to toy with msr register and the swapgs instruction.
Diffstat (limited to 'guest/guest64.S')
| -rw-r--r-- | guest/guest64.S | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/guest/guest64.S b/guest/guest64.S index 1ca91a5..dc3e986 100644 --- a/guest/guest64.S +++ b/guest/guest64.S @@ -2,7 +2,7 @@ .section .boot, "ax", @progbits // Trigger `KVM_EXIT_IO:KVM_EXIT_IO_OUT` by writing string to output port. - mov rdx, 0x1000 // Output port. + mov rdx, 0x42 // Output port (magic for string fmt). lea rsi, [rip + msg] // Address of string. mov rcx, [rip + msg_len] // Len of string. rep outsb // Write ds:rsi to output port rdx. @@ -30,7 +30,7 @@ .section .rodata, "a", @progbits msg: - .asciz "Hello from Long Mode!\n" + .ascii "Hello from Long Mode!\n" msg_len: .byte .-msg |