xref: /gem5/src/arch/x86/isa/insts/general_purpose/control_transfer/call.py

# Copyright (c) 2007 The Hewlett-Packard Development Company
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# Authors: Gabe Black

microcode = '''
def macroop CALL_NEAR_I
{
    # Make the default data size of calls 64 bits in 64 bit mode
    .adjust_env oszIn64Override

    limm t1, imm
    rdip t7
    subi rsp, rsp, dsz
    st t7, ss, [0, t0, rsp]
    wrip t7, t1
};

def macroop CALL_NEAR_R
{
    # Make the default data size of calls 64 bits in 64 bit mode
    .adjust_env oszIn64Override

    rdip t1
    subi rsp, rsp, dsz
    st t1, ss, [0, t0, rsp]
    wripi reg, 0
};

def macroop CALL_NEAR_M
{
    # Make the default data size of calls 64 bits in 64 bit mode
    .adjust_env oszIn64Override

    rdip t7
    ld t1, seg, sib, disp
    subi rsp, rsp, dsz
    st t7, ss, [0, t0, rsp]
    wripi t1, 0
};

def macroop CALL_NEAR_P
{
    # Make the default data size of calls 64 bits in 64 bit mode
    .adjust_env oszIn64Override

    rdip t7
    ld t1, seg, riprel, disp
    subi rsp, rsp, dsz
    st t7, ss, [0, t0, rsp]
    wripi t1, 0
};
'''
#let {{
#    class CALL(Inst):
#	"GenFault ${new UnimpInstFault}"
#}};