libs/newlib-cygwin
libs/newlib-cygwin
4
0
Fork 0
mirror of git://sourceware.org/git/newlib-cygwin.git synced 2025-02-08 18:19:08 +08:00
Code Issues Projects Releases Wiki Activity

cpuinfo: add AVX features; move SME, SEV/_ES features

Browse Source 
Linux 5.11 💕 Valentine's Day Edition 💕 added features and changes:
add Intel 0x00000007 EDX:23 avx512_fp16 and 0x00000007:1 EAX:4 avx_vnni;
group scattered AMD 0x8000001f EAX Secure Mem/Encrypted Virt features at end:
0 sme, 1 sev, 3 sev_es (more to come not yet displayed)
This commit is contained in:
Brian Inglis 2021-02-17 09:28:36 -07:00 committed by Ken Brown
parent c64e55ec1c
commit 7c68ef609e
1 changed files with 23 additions and 21 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

44
winsup/cygwin/fhandler_proc.cc
View File

@ -1330,13 +1330,6 @@ format_proc_cpuinfo (void *, char *&destbuf)
ftcprint (features1, 7, "hw_pstate"); /* hw P state */ ftcprint (features1, 7, "hw_pstate"); /* hw P state */
ftcprint (features1, 11, "proc_feedback"); /* proc feedback interf */ ftcprint (features1, 11, "proc_feedback"); /* proc feedback interf */
} }
/* cpuid 0x8000001f eax */
if (maxe >= 0x8000001f)
{
cpuid (&features1, &unused, &unused, &unused, 0x8000001f);
ftcprint (features1, 0, "sme"); /* secure memory encryption */
}
/* ftcprint (features1, 11, "pti");*//* Page Table Isolation reqd with Meltdown */ /* ftcprint (features1, 11, "pti");*//* Page Table Isolation reqd with Meltdown */
@ -1370,14 +1363,6 @@ format_proc_cpuinfo (void *, char *&destbuf)
/* from above */ /* from above */
ftcprint (features1, 6, "mba"); /* memory bandwidth alloc */ ftcprint (features1, 6, "mba"); /* memory bandwidth alloc */
} }
/* cpuid 0x8000001f eax */
if (maxe >= 0x8000001f)
{
cpuid (&features2, &unused, &unused, &unused, 0x8000001f);
ftcprint (features2, 1, "sev"); /* secure encrypted virt */
/*ftcprint (features2, 3, "sev_es"); - print below */
}
/* cpuid 0x80000008 ebx */ /* cpuid 0x80000008 ebx */
if (maxe >= 0x80000008) if (maxe >= 0x80000008)
{ {
@ -1401,12 +1386,6 @@ format_proc_cpuinfo (void *, char *&destbuf)
/* ftcprint (features1, 26, "ssb_no"); *//* ssb fixed in hardware */ /* ftcprint (features1, 26, "ssb_no"); *//* ssb fixed in hardware */
} }
/* cpuid 0x8000001f eax - set above */
if (maxe >= 0x8000001f)
{
ftcprint (features2, 3, "sev_es"); /* AMD SEV encrypted state */
}
/* cpuid 0x00000007 ebx */ /* cpuid 0x00000007 ebx */
if (maxf >= 0x00000007) if (maxf >= 0x00000007)
{ {
@ -1478,6 +1457,7 @@ format_proc_cpuinfo (void *, char *&destbuf)
{ {
cpuid (&features1, &unused, &unused, &unused, 0x00000007, 1); cpuid (&features1, &unused, &unused, &unused, 0x00000007, 1);
ftcprint (features1, 4, "avx_vnni"); /* vex enc NN vec */
ftcprint (features1, 5, "avx512_bf16"); /* vec bfloat16 short */ ftcprint (features1, 5, "avx512_bf16"); /* vec bfloat16 short */
} }
@ -1539,6 +1519,7 @@ format_proc_cpuinfo (void *, char *&destbuf)
ftcprint (features1, 13, "avic"); /* virt int control */ ftcprint (features1, 13, "avic"); /* virt int control */
ftcprint (features1, 15, "v_vmsave_vmload"); /* virt vmsave vmload */ ftcprint (features1, 15, "v_vmsave_vmload"); /* virt vmsave vmload */
ftcprint (features1, 16, "vgif"); /* virt glb int flag */ ftcprint (features1, 16, "vgif"); /* virt glb int flag */
/* ftcprint (features1, 28, "svme_addr_chk"); *//* secure vmexit addr check */
} }
/* Intel cpuid 0x00000007 ecx */ /* Intel cpuid 0x00000007 ecx */
@ -1592,10 +1573,31 @@ format_proc_cpuinfo (void *, char *&destbuf)
ftcprint (features1, 16, "tsxldtrk"); /* TSX Susp Ld Addr Track */ ftcprint (features1, 16, "tsxldtrk"); /* TSX Susp Ld Addr Track */
ftcprint (features1, 18, "pconfig"); /* platform config */ ftcprint (features1, 18, "pconfig"); /* platform config */
ftcprint (features1, 19, "arch_lbr"); /* last branch records */ ftcprint (features1, 19, "arch_lbr"); /* last branch records */
ftcprint (features1, 23, "avx512_fp16"); /* avx512 fp16 */
ftcprint (features1, 28, "flush_l1d"); /* flush l1d cache */ ftcprint (features1, 28, "flush_l1d"); /* flush l1d cache */
ftcprint (features1, 29, "arch_capabilities"); /* arch cap MSR */ ftcprint (features1, 29, "arch_capabilities"); /* arch cap MSR */
} }
/* cpuid x8000001f eax */
if (is_amd && maxe >= 0x8000001f)
{
cpuid (&features2, &unused, &unused, &unused, 0x8000001f);
ftcprint (features2, 0, "sme"); /* secure memory encryption */
ftcprint (features2, 1, "sev"); /* AMD secure encrypted virt */
/* ftcprint (features2, 2, "vm_page_flush");*/ /* VM page flush MSR */
ftcprint (features2, 3, "sev_es"); /* AMD SEV encrypted state */
/* ftcprint (features2, 4, "sev_snp");*//* AMD SEV secure nested paging */
/* ftcprint (features2, 5, "vmpl"); *//* VM permission levels support */
/* ftcprint (features2, 10, "sme_coherent"); *//* SME h/w cache coherent */
/* ftcprint (features2, 11, "sev_64b");*//* SEV 64 bit host guest only */
/* ftcprint (features2, 12, "sev_rest_inj"); *//* SEV restricted injection */
/* ftcprint (features2, 13, "sev_alt_inj"); *//* SEV alternate injection */
/* ftcprint (features2, 14, "sev_es_dbg_swap");*//* SEV-ES debug state swap */
/* ftcprint (features2, 15, "no_host_ibs"); *//* host IBS unsupported */
/* ftcprint (features2, 16, "vte"); *//* virtual transparent encryption */
}
print ("\n"); print ("\n");
bufptr += __small_sprintf (bufptr, "bogomips\t: %d.00\n", bufptr += __small_sprintf (bufptr, "bogomips\t: %d.00\n",