xref: /gem5/src/arch/x86/isa/insts/system/msrs.py

# Copyright (c) 2007 The Hewlett-Packard Development Company
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# Authors: Gabe Black

microcode = '''
def macroop WRMSR
{
    limm t1, "IntAddrPrefixMSR >> 3"
    ld t2, intseg, [8, t1, rcx], dataSize=8, addressSize=4
    mov rax, rax, t2, dataSize=4
    srli t2, t2, 32, dataSize=8
    mov rdx, rdx, t2, dataSize=4
};

def macroop RDMSR
{
    limm t1, "IntAddrPrefixMSR >> 3"
    mov t2, t2, rdx, dataSize=4
    slli t2, t2, 32, dataSize=8
    mov t2, t2, rax, dataSize=4
    st t2, intseg, [8, t1, rcx], dataSize=8, addressSize=4
};
'''