diff options
| author | Paolo Bonzini <pbonzini@redhat.com> | 2025-11-13 19:36:24 -0500 |
|---|---|---|
| committer | Sean Christopherson <seanjc@google.com> | 2025-11-19 14:24:53 -0800 |
| commit | c57d9bafbd0b89709c1bbbda346cf81dea5a3224 (patch) | |
| tree | 16c0e7d90fc0d0d9d2fce254c01f8e3fc7bbe989 | |
| parent | 0b28f21ad46200fec9f8b8058692902d0de98221 (diff) | |
KVM: x86: Add support for emulating MOVNTDQA
MOVNTDQA is a simple MOV instruction, in fact it has the same
characteristics as 0F E7 (MOVNTDQ) other than the aligned-address
requirement.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Link: https://patch.msgid.link/20251114003633.60689-2-pbonzini@redhat.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
| -rw-r--r-- | arch/x86/kvm/emulate.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c index 4e3da5b497b8..43ae4fcb2137 100644 --- a/arch/x86/kvm/emulate.c +++ b/arch/x86/kvm/emulate.c @@ -4133,7 +4133,7 @@ static const struct gprefix pfx_0f_28_0f_29 = { I(Aligned, em_mov), I(Aligned, em_mov), N, N, }; -static const struct gprefix pfx_0f_e7 = { +static const struct gprefix pfx_0f_e7_0f_38_2a = { N, I(Sse, em_mov), N, N, }; @@ -4431,7 +4431,7 @@ static const struct opcode twobyte_table[256] = { /* 0xD0 - 0xDF */ N, N, N, N, N, N, N, N, N, N, N, N, N, N, N, N, /* 0xE0 - 0xEF */ - N, N, N, N, N, N, N, GP(SrcReg | DstMem | ModRM | Mov, &pfx_0f_e7), + N, N, N, N, N, N, N, GP(SrcReg | DstMem | ModRM | Mov, &pfx_0f_e7_0f_38_2a), N, N, N, N, N, N, N, N, /* 0xF0 - 0xFF */ N, N, N, N, N, N, N, N, N, N, N, N, N, N, N, N @@ -4458,8 +4458,13 @@ static const struct gprefix three_byte_0f_38_f1 = { * byte. */ static const struct opcode opcode_map_0f_38[256] = { - /* 0x00 - 0x7f */ - X16(N), X16(N), X16(N), X16(N), X16(N), X16(N), X16(N), X16(N), + /* 0x00 - 0x1f */ + X16(N), X16(N), + /* 0x20 - 0x2f */ + X8(N), + X2(N), GP(SrcReg | DstMem | ModRM | Mov | Aligned, &pfx_0f_e7_0f_38_2a), N, N, N, N, N, + /* 0x30 - 0x7f */ + X16(N), X16(N), X16(N), X16(N), X16(N), /* 0x80 - 0xef */ X16(N), X16(N), X16(N), X16(N), X16(N), X16(N), X16(N), /* 0xf0 - 0xf1 */ |