-/*
- * mono-hwcap-s390x.c: S/390x hardware feature detection
+/**
+ * \file
+ * S/390x hardware feature detection
*
* Authors:
* Alex Rønne Petersen (alexrp@xamarin.com)
* Licensed under the MIT license. See LICENSE file in the project root for full license information.
*/
-#include "mono/utils/mono-hwcap-s390x.h"
+#include "mono/utils/mono-hwcap.h"
+
#include <signal.h>
-facilityList_t facs;
+typedef struct {
+ uint8_t n3:1; // 000 - N3 instructions
+ uint8_t zi:1; // 001 - z/Arch installed
+ uint8_t za:1; // 002 - z/Arch active
+ uint8_t date:1; // 003 - DAT-enhancement
+ uint8_t idtes:1; // 004 - IDTE-segment tables
+ uint8_t idter:1; // 005 - IDTE-region tables
+ uint8_t asnlx:1; // 006 - ASN-LX reuse
+ uint8_t stfle:1; // 007 - STFLE
+ uint8_t edat1:1; // 008 - EDAT 1
+ uint8_t srs:1; // 009 - Sense-Running-Status
+ uint8_t csske:1; // 010 - Conditional SSKE
+ uint8_t ctf:1; // 011 - Configuration-topology
+ uint8_t ibm01:1; // 012 - Assigned to IBM
+ uint8_t ipter:1; // 013 - IPTE-range
+ uint8_t nqks:1; // 014 - Nonquiescing key-setting
+ uint8_t ibm02:1; // 015 - Assigned to IBM
+ uint8_t etf2:1; // 016 - Extended translation 2
+ uint8_t msa:1; // 017 - Message security assist 1
+ uint8_t ld:1; // 018 - Long displacement
+ uint8_t ldh:1; // 019 - Long displacement high perf
+ uint8_t mas:1; // 020 - HFP multiply-add-subtract
+ uint8_t eif:1; // 021 - Extended immediate
+ uint8_t etf3:1; // 022 - Extended translation 3
+ uint8_t hux:1; // 023 - HFP unnormalized extension
+ uint8_t etf2e:1; // 024 - Extended translation enhanced 2
+ uint8_t stckf:1; // 025 - Store clock fast
+ uint8_t pe:1; // 026 - Parsing enhancement
+ uint8_t mvcos:1; // 027 - Move with optional specs
+ uint8_t tods:1; // 028 - TOD steering
+ uint8_t x000:1; // 029 - Undefined
+ uint8_t etf3e:1; // 030 - ETF3 enhancement
+ uint8_t ecput:1; // 031 - Extract CPU time
+ uint8_t csst:1; // 032 - Compare swap and store
+ uint8_t csst2:1; // 033 - Compare swap and store 2
+ uint8_t gie:1; // 034 - General instructions extension
+ uint8_t ee:1; // 035 - Execute extensions
+ uint8_t em:1; // 036 - Enhanced monitor
+ uint8_t fpe:1; // 037 - Floating point extension
+ uint8_t opcf:1; // 038 - Order-preserving-compression facility
+ uint8_t ibm03:1; // 039 - Assigned to IBM
+ uint8_t spp:1; // 040 - Set program parameters
+ uint8_t fpse:1; // 041 - FP support enhancement
+ uint8_t dfp:1; // 042 - DFP
+ uint8_t dfph:1; // 043 - DFP high performance
+ uint8_t pfpo:1; // 044 - PFPO instruction
+ uint8_t multi:1; // 045 - Multiple inc load/store on CC 1
+ uint8_t ibm04:1; // 046 - Assigned to IBM
+ uint8_t cmpsce:1; // 047 - CMPSC enhancement
+ uint8_t dfpzc:1; // 048 - DFP zoned conversion
+ uint8_t misc:1; // 049 - Multiple inc load and trap
+ uint8_t ctx:1; // 050 - Constrained transactional-execution
+ uint8_t ltlb:1; // 051 - Local TLB clearing
+ uint8_t ia:1; // 052 - Interlocked access
+ uint8_t lsoc2:1; // 053 - Load/store on CC 2
+ uint8_t eecf:1; // 054 - Entropy-encoding compression facility
+ uint8_t ibm05:1; // 055 - Assigned to IBM
+ uint8_t x003:1; // 056 - Undefined
+ uint8_t msa5:1; // 057 - Message security assist 5
+ uint8_t mie2:1; // 058 - Miscellaneous execution facility 2
+ uint8_t x005:1; // 059 - Undefined
+ uint8_t x006:1; // 060 - Undefined
+ uint8_t x007:1; // 061 - Undefined
+ uint8_t ibm06:1; // 062 - Assigned to IBM
+ uint8_t x008:1; // 063 - Undefined
+ uint8_t x009:1; // 064 - Undefined
+ uint8_t ibm07:1; // 065 - Assigned to IBM
+ uint8_t rrbm:1; // 066 - Reset reference bits multiple
+ uint8_t cmc:1; // 067 - CPU measurement counter
+ uint8_t cms:1; // 068 - CPU Measurement sampling
+ uint8_t ibm08:1; // 069 - Assigned to IBM
+ uint8_t ibm09:1; // 070 - Assigned to IBM
+ uint8_t ibm10:1; // 071 - Assigned to IBM
+ uint8_t ibm11:1; // 072 - Assigned to IBM
+ uint8_t txe:1; // 073 - Transactional execution
+ uint8_t sthy:1; // 074 - Store hypervisor information
+ uint8_t aefsi:1; // 075 - Access exception fetch/store indication
+ uint8_t msa3:1; // 076 - Message security assist 3
+ uint8_t msa4:1; // 077 - Message security assist 4
+ uint8_t edat2:1; // 078 - Enhanced DAT 2
+ uint8_t x010:1; // 079 - Undefined
+ uint8_t dfppc:1; // 080 - DFP packed conversion
+ uint8_t x011:7; // 081-87 - Undefined
+ uint8_t x012[5]; // 088-127 - Undefined
+ uint8_t ibm12:1; // 128 - Assigned to IBM
+ uint8_t vec:1; // 129 - Vector facility
+ uint8_t iep:1; // 130 - Instruction Execution Protection Facility
+ uint8_t sea:1; // 131 - Side-effect-access Faility
+ uint8_t x013:1; // 132 - Undefined
+ uint8_t gs:1; // 133 - Guarded Storage Facility
+ uint8_t vpd:1; // 134 - Vector Packed Decimal Facility
+ uint8_t ve1:1; // 135 - Vector Enhancements Facilityty
+ uint8_t x014:2; // 136-137 - Undefined
+ uint8_t cazm:1; // 138 - Configuration-z/Architecture-arcitectural -mode Faciliy
+ uint8_t mef:1; // 139 - Multiple-epoch Facility ture-arcitectural -mode Faciliy
+ uint8_t ibm13:2; // 140-141 - Assigned to IBM
+ uint8_t sccm:1; // 142 - Store CPU counter multiple
+ uint8_t x015:1; // 143 - Assigned to IBM
+ uint8_t tpei:1; // 144 - Test Pending External Interrption Facility
+ uint8_t irbm:1; // 145 - Insert Reference Bits Multiple Facility
+ uint8_t mse8:1; // 146 - Message Security Assist Extension 8
+ uint8_t ibm14:1; // 147 - Reserved for IBM use
+ uint8_t x016:4; // 148-151 - Undefined
+ uint8_t x017[2]; // 152-167 - Undefined
+ uint8_t esac:1; // 168 - ESA/390 Compatibility Mode Facility
+ uint8_t x018:7; // 169-175 - Undefined
+ uint8_t x019[10]; // 176-256 Undefined
+} __attribute__ ((__packed__)) __attribute__ ((__aligned__(8))) facilityList_t;
void
mono_hwcap_arch_init (void)
{
- int lFacs = sizeof(facs) / 8;
+ facilityList_t facs;
+ int lFacs = sizeof (facs) / 8;
- __asm__ (" lgfr 0,%1\n"
- " .insn s,0xb2b00000,%0\n"
- : "=m" (facs) : "r" (lFacs) : "0", "cc");
-}
+ __asm__ __volatile__ (
+ "lgfr\t0,%1\n\t"
+ ".insn\ts,0xb2b00000,%0\n\t"
+ : "=m" (facs)
+ : "r" (lFacs)
+ : "0", "cc"
+ );
-void
-mono_hwcap_print (FILE *f)
-{
+ mono_hwcap_s390x_has_fpe = facs.fpe;
+ mono_hwcap_s390x_has_vec = facs.vec;
+ mono_hwcap_s390x_has_mlt = facs.multi;
+ mono_hwcap_s390x_has_ia = facs.ia;
+ mono_hwcap_s390x_has_gie = facs.gie;
+ mono_hwcap_s390x_has_mie2 = facs.mie2;
+ mono_hwcap_s390x_has_gs = facs.gs;
}
projects / mono.git / blobdiff