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78254267ff
Currently QEMU sets the x86 number of physical address bits to the magic number 40. This is only correct on some small AMD systems; Intel systems tend to have 36, 39, 46 bits, and large AMD systems tend to have 48. Having the value different from your actual hardware is detectable by the guest and in principal can cause problems; The current limit of 40 stops TB VMs being created by those lucky enough to have that much. This patch lets you set the physical bits by a cpu property but defaults to the same 40bits which matches TCGs setup. I've removed the ancient warning about the 42 bit limit in exec.c; I can't find that limit in there and no one else seems to know where it is. We use a magic value of 0 as the property default so that we can later distinguish between the default and a user set value. Backports commit af45907a132857cfd47acc998bf5f7c26cd13071 from qemu |
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| .. | ||
| arch_memory_mapping.c | ||
| bpt_helper.c | ||
| cc_helper.c | ||
| cc_helper_template.h | ||
| cpu-qom.h | ||
| cpu.c | ||
| cpu.h | ||
| excp_helper.c | ||
| fpu_helper.c | ||
| helper.c | ||
| helper.h | ||
| int_helper.c | ||
| Makefile.objs | ||
| mem_helper.c | ||
| misc_helper.c | ||
| mpx_helper.c | ||
| ops_sse.h | ||
| ops_sse_header.h | ||
| seg_helper.c | ||
| shift_helper_template.h | ||
| smm_helper.c | ||
| svm.h | ||
| svm_helper.c | ||
| TODO | ||
| topology.h | ||
| translate.c | ||
| unicorn.c | ||
| unicorn.h | ||