lmsw fix (aka dos4gw bug)
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@885 c046a42c-6fe2-441c-8c8c-71466251a162
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@ -980,8 +980,9 @@ void OPPROTO op_movl_drN_T0(void)
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void OPPROTO op_lmsw_T0(void)
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void OPPROTO op_lmsw_T0(void)
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{
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{
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/* only 4 lower bits of CR0 are modified */
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/* only 4 lower bits of CR0 are modified. PE cannot be set to zero
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T0 = (env->cr[0] & ~0xf) | (T0 & 0xf);
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if already set to one. */
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T0 = (env->cr[0] & ~0xe) | (T0 & 0xf);
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helper_movl_crN_T0(0);
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helper_movl_crN_T0(0);
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}
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}
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