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authorYang Liu <liuyang22@iscas.ac.cn>2025-04-14 19:34:43 +0800
committerGitHub <noreply@github.com>2025-04-14 13:34:43 +0200
commit6b2373af93e033019dd1ddd5683f2d866e253d8c (patch)
treed8716018ee1c02a8b4e09e88456d1e2c425d3e40 /src/os
parentcf32412f986a5a9c281dda5dc24bf22641a305ed (diff)
downloadbox64-6b2373af93e033019dd1ddd5683f2d866e253d8c.tar.gz
box64-6b2373af93e033019dd1ddd5683f2d866e253d8c.zip
[WOW64] Added non-functional PE build (#2532)
Diffstat (limited to 'src/os')
-rw-r--r--src/os/emit_signal_wine.c22
-rw-r--r--src/os/freq_wine.c2
-rw-r--r--src/os/my_cpuid_linux.c757
-rw-r--r--src/os/my_cpuid_wine.c29
-rw-r--r--src/os/os_linux.c70
-rw-r--r--src/os/os_wine.c42
-rw-r--r--src/os/perfmap.c27
7 files changed, 947 insertions, 2 deletions
diff --git a/src/os/emit_signal_wine.c b/src/os/emit_signal_wine.c
new file mode 100644
index 00000000..0539a818
--- /dev/null
+++ b/src/os/emit_signal_wine.c
@@ -0,0 +1,22 @@
+#include "x64emu.h"
+#include "custommem.h"
+
+void EmitSignal(x64emu_t* emu, int sig, void* addr, int code)
+{
+    // FIXME
+}
+
+void CheckExec(x64emu_t* emu, uintptr_t addr)
+{
+    // FIXME
+}
+
+void EmitInterruption(x64emu_t* emu, int num, void* addr)
+{
+    // FIXME
+}
+
+void EmitDiv0(x64emu_t* emu, void* addr, int code)
+{
+    // FIXME
+}
diff --git a/src/os/freq_wine.c b/src/os/freq_wine.c
index 6b2a9dc4..9879b609 100644
--- a/src/os/freq_wine.c
+++ b/src/os/freq_wine.c
@@ -1,4 +1,4 @@
-#incldue "freq.h"
+#include "freq.h"
 
 // TODO: box64_rdtsc?
 
diff --git a/src/os/my_cpuid_linux.c b/src/os/my_cpuid_linux.c
new file mode 100644
index 00000000..df505ac0
--- /dev/null
+++ b/src/os/my_cpuid_linux.c
@@ -0,0 +1,757 @@
+#define _GNU_SOURCE
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <sched.h>
+
+#include "my_cpuid.h"
+#include "../emu/x64emu_private.h"
+#include "debug.h"
+#include "x64emu.h"
+#include "freq.h"
+
+int get_cpuMhz()
+{
+    int MHz = 0;
+    char *p = NULL;
+    if((p=getenv("BOX64_CPUMHZ"))) {
+        MHz = atoi(p);
+        return MHz;
+    }
+    char cpumhz[200];
+    sprintf(cpumhz, "%d", MHz?:1000);
+    setenv("BOX64_CPUMHZ", cpumhz, 1);  // set temp value incase box64 gets recursively called
+
+    int cpucore = 0;
+    while(cpucore!=-1) {
+        char cpufreq[4096];
+        sprintf(cpufreq, "/sys/devices/system/cpu/cpu%d/cpufreq/cpuinfo_max_freq", cpucore);
+        FILE *f = fopen(cpufreq, "r");
+        if(f) {
+            int r;
+            if(1==fscanf(f, "%d", &r)) {
+                r /= 1000;
+                if(MHz<r)
+                    MHz = r;
+            }
+            fclose(f);
+            ++cpucore;
+        }
+        else
+            cpucore = -1;
+    }
+    #ifndef STATICBUILD
+    if(!MHz) {
+        // try with lscpu, grabbing the max frequency
+        FILE* f = popen("lscpu | grep \"CPU max MHz:\" | sed -r 's/CPU max MHz:\\s{1,}//g'", "r");
+        if(f) {
+            char tmp[200] = "";
+            ssize_t s = fread(tmp, 1, 200, f);
+            pclose(f);
+            if(s>0) {
+                // worked! (unless it's saying "lscpu: command not found" or something like that)
+                if(!strstr(tmp, "lscpu")) {
+                    // trim ending
+                    while(strlen(tmp) && tmp[strlen(tmp)-1]=='\n')
+                        tmp[strlen(tmp)-1] = 0;
+                    // incase multiple cpu type are present, there will be multiple lines
+                    while(strchr(tmp, '\n'))
+                        *strchr(tmp,'\n') = ' ';
+                    // cut the float part (so '.' or ','), it's not needed
+                    if(strchr(tmp, '.'))
+                        *strchr(tmp, '.')= '\0';
+                    if(strchr(tmp, ','))
+                        *strchr(tmp, ',')= '\0';
+                    int mhz;
+                    if(sscanf(tmp, "%d", &mhz)==1)
+                        MHz = mhz;
+                }
+            }
+        }
+    }
+    #endif
+    if(!MHz)
+        MHz = 1000; // default to 1Ghz...
+    sprintf(cpumhz, "%d", MHz);
+    setenv("BOX64_CPUMHZ", cpumhz, 1);  // set actual value
+    return MHz;
+}
+static int nCPU = 0;
+static double bogoMips = 100.;
+
+void grabNCpu() {
+    nCPU = 1;  // default number of CPU to 1
+    FILE *f = fopen("/proc/cpuinfo", "r");
+    ssize_t dummy;
+    if(f) {
+        nCPU = 0;
+        int bogo = 0;
+        size_t len = 500;
+        char* line = malloc(len);
+        while ((dummy = getline(&line, &len, f)) != (ssize_t)-1) {
+            if(!strncmp(line, "processor\t", strlen("processor\t")))
+                ++nCPU;
+            if(!bogo && !strncmp(line, "BogoMIPS\t", strlen("BogoMIPS\t"))) {
+                // grab 1st BogoMIPS
+                float tmp;
+                if(sscanf(line, "BogoMIPS\t: %g", &tmp)==1) {
+                    bogoMips = tmp;
+                    bogo = 1;
+                }
+            }
+        }
+        free(line);
+        fclose(f);
+        if(!nCPU) nCPU=1;
+    }
+}
+int getNCpu()
+{
+    if(!nCPU)
+        grabNCpu();
+    if(BOX64ENV(maxcpu) && nCPU>BOX64ENV(maxcpu))
+        return BOX64ENV(maxcpu);
+    return nCPU;
+}
+
+double getBogoMips()
+{
+    if(!nCPU)
+        grabNCpu();
+    return bogoMips;
+}
+
+const char* getCpuName()
+{
+    static char name[200] = "Unknown CPU";
+    static int done = 0;
+    if(done)
+        return name;
+    done = 1;
+    char *p = NULL;
+    if((p=getenv("BOX64_CPUNAME"))) {
+        strcpy(name, p);
+        return name;
+    }
+    setenv("BOX64_CPUNAME", name, 1);   // temporary set
+    #ifndef STATICBUILD
+    FILE* f = popen("LC_ALL=C lscpu | grep -i \"model name:\" | head -n 1 | sed -r 's/(model name:)\\s{1,}//gi'", "r");
+    if(f) {
+        char tmp[200] = "";
+        ssize_t s = fread(tmp, 1, 200, f);
+        pclose(f);
+        if(s>0) {
+            // worked! (unless it's saying "lscpu: command not found" or something like that)
+            if(!strstr(tmp, "lscpu")) {
+                // trim ending
+                while(strlen(tmp) && tmp[strlen(tmp)-1]=='\n')
+                    tmp[strlen(tmp)-1] = 0;
+                strncpy(name, tmp, 199);
+            }
+            setenv("BOX64_CPUNAME", name, 1);
+            return name;
+        }
+    }
+    // failled, try to get architecture at least
+    f = popen("uname -m", "r");
+    if(f) {
+        char tmp[200] = "";
+        ssize_t s = fread(tmp, 1, 200, f);
+        pclose(f);
+        if(s>0) {
+            // worked!
+            // trim ending
+            while(strlen(tmp) && tmp[strlen(tmp)-1]=='\n')
+                tmp[strlen(tmp)-1] = 0;
+            snprintf(name, 199, "unknown %s cpu", tmp);
+            setenv("BOX64_CPUNAME", name, 1);
+            return name;
+        }
+    }
+    #endif
+    // Nope, bye
+    return name;
+}
+
+const char* getBoxCpuName()
+{
+    static char branding[3*4*4+1] = "";
+    static int done = 0;
+    if(!done) {
+        done = 1;
+        const char* name = getCpuName();
+        if(strstr(name, "MHz") || strstr(name, "GHz")) {
+            // name already have the speed in it
+            snprintf(branding, sizeof(branding), "Box64 on %.*s", 39, name);
+        } else {
+            unsigned int MHz = get_cpuMhz();
+            if(MHz>1500) { // swiches to GHz display...
+                snprintf(branding, sizeof(branding), "Box64 on %.*s @%1.2f GHz", 28, name, MHz/1000.);
+            } else {
+                snprintf(branding, sizeof(branding), "Box64 on %.*s @%04d MHz", 28, name, MHz);
+            }
+        }
+    }
+    return branding;
+}
+
+void my_cpuid(x64emu_t* emu, uint32_t tmp32u)
+{
+    emu->regs[_AX].dword[1] = emu->regs[_DX].dword[1] = emu->regs[_CX].dword[1] = emu->regs[_BX].dword[1] = 0;
+    int ncpu = getNCpu();
+    if(!ncpu) ncpu = 1;
+    int ncluster = 1;
+    static int warned = 10;
+    if(BOX64ENV(cputype)) {
+        while(ncpu>256) {
+            ncluster++; // do cluster of 256 cpus...
+            if(ncpu>=256)
+                ncpu-=256;
+            else
+                ncpu=256;
+        }
+    } else {
+        while(ncpu>64) {
+            ncluster++; // do cluster of 64 cpus...
+            if(ncpu>=128)
+                ncpu-=64;
+            else
+                ncpu=64;
+        }
+    }
+    static char branding[3*4*4+1] = "";
+    if(!branding[0]) {
+        strcpy(branding, getBoxCpuName());
+        while(strlen(branding)<3*4*4) {
+            memmove(branding+1, branding, strlen(branding)+1);
+            branding[0] = ' ';
+        }
+    }
+    switch(tmp32u) {
+        case 0x0:
+            // emulate a P4. TODO: Emulate a Core2?
+            R_EAX = BOX64ENV(cputype)?0x0000000f:0x0000000f;//was 0x15 before, but something seems wrong for leaf 0x15, and cpu-z take that as pure cpu speed...
+            if(BOX64ENV(cputype)) {
+                // return AuthenticAMD
+                R_EBX = 0x68747541;
+                R_ECX = 0x444d4163;
+                R_EDX = 0x69746E65;
+            } else {
+                // return GenuineIntel
+                R_EBX = 0x756E6547;
+                R_ECX = 0x6C65746E;
+                R_EDX = 0x49656E69;
+            }
+            break;
+        case 0x1:
+            if(BOX64ENV(cputype)) {
+                R_EAX = (0xc<<0) | // stepping 0-3
+                        (0x1<<4) | // base model 4-7
+                        (0xf<<8) | // base familly 8-11
+                        (0x0<<12)| // reserved 12-15
+                        (0x7<<16)| // Extented model 16-19
+                        (0x8<<20)| // extended familly 20-27
+                        (0x0<<28)| // reserved 28-31
+                        0 ; // family and all, simulating a Ryzen 5 type of cpu
+            } else {
+                R_EAX = (0x1<<0) | // stepping
+                        (0x6<<4) | // model
+                        (0x6<<8) | // familly
+                        (0x0<<12)| // Processor type
+                        (0x0<<14)| // reserved
+                        (0x4<<16)| // extended model
+                        (0x0<<20)| // extended familly
+                        0 ; // family and all, simulating Haswell type of cpu
+            }
+            R_EBX = 0 | (8<<0x8) | ((BOX64ENV(cputype)?0:ncluster)<<16);          // Brand index, CLFlush (8), Max APIC ID (16-23), Local APIC ID (24-31)
+            /*{
+                int cpu = sched_getcpu();
+                if(cpu<0) cpu=0;
+                R_EAX |= cpu<<24;
+            }*/
+            R_EDX =   1         // fpu
+                    | 1<<1      // vme
+                    | 1<<2      // debugging extension
+                    | 1<<3      // pse
+                    | 1<<4      // rdtsc
+                    | 1<<5      // msr
+                    | 1<<6      // pae
+                    | 1<<7      // mcheck extension
+                    | 1<<8      // cmpxchg8
+                    | 1<<11     // sep (sysenter & sysexit)
+                    | 1<<12     // mtrr
+                    | 1<<13     // pgb
+                    | 1<<14     // mcheck arch
+                    | 1<<15     // cmov
+                    | 1<<16     // pat
+                    | 1<<17     // pse36
+                    | 1<<19     // clflush (seems to be with SSE2)
+                    | 1<<21     // DS, used with VMX, is that usefull?
+                    | 1<<23     // mmx
+                    | 1<<24     // fxsr (fxsave, fxrestore)
+                    | 1<<25     // SSE
+                    | 1<<26     // SSE2
+                    | (BOX64ENV(cputype)?0:1)<<28     // HT / Multi-core
+                    ;
+            R_ECX =   1<<0      // SSE3
+                    | 1<<1      // PCLMULQDQ
+                    | (BOX64ENV(cputype)?0:1)<<2      // DS 64bits
+                    | 1<<3      // Monitor/MWait (priviledge instructions)
+                    | (BOX64ENV(cputype)?0:1)<<5      // VMX  //is that usefull
+                    | 1<<9      // SSSE3
+                    | BOX64ENV(avx2)<<12     // fma
+                    | 1<<13     // cx16 (cmpxchg16)
+                    | 1<<19     // SSE4_1
+                    | BOX64ENV(sse42)<<20     // SSE4_2 can be hiden
+                    | 1<<22     // MOVBE
+                    | 1<<23     // POPCOUNT
+                    | 1<<25     // aesni
+                    | BOX64ENV(avx)<<26 // xsave
+                    | BOX64ENV(avx)<<27 // osxsave
+                    | BOX64ENV(avx)<<28 // AVX
+                    | BOX64ENV(avx)<<29 // F16C
+                    | BOX64ENV(avx2)<<30     // RDRAND
+                    | 0<<31     // Hypervisor guest running
+                    ;
+            break;
+        case 0x2:
+            if(BOX64ENV(cputype)) {
+                // reserved
+                R_EAX = R_EBX = R_ECX = R_EDX = 0 ;
+            } else {
+                // TLB and Cache info. Sending 1st gen P4 info...
+                R_EAX = 0x665B5001;
+                R_EBX = 0x00000000;
+                R_ECX = 0x00000000;
+                R_EDX = 0x007A7000;
+            }
+            break;
+
+        case 0x4:
+            if(BOX64ENV(cputype)) {
+                // reserved
+                R_EAX = R_EBX = R_ECX = R_EDX = 0 ;
+            } else {
+                // Cache info
+                switch (R_ECX) {
+                    case 0: // L1 data cache
+                        R_EAX = (1 | (1<<5) | (1<<8) | ((ncpu-1)<<26));   //type + (26-31):max cores per packages-1
+                        R_EBX = (63 | (7<<22)); // size
+                        R_ECX = 63;
+                        R_EDX = 1;
+                        break;
+                    case 1: // L1 inst cache
+                        R_EAX = (2 | (1<<5) | (1<<8)); //type
+                        R_EBX = (63 | (7<<22)); // size
+                        R_ECX = 63;
+                        R_EDX = 1;
+                        break;
+                    case 2: // L2 cache
+                        R_EAX = (3 | (2<<5) | (1<<8)); //type
+                        R_EBX = (63 | (15<<22));    // size
+                        R_ECX = 4095;
+                        R_EDX = 1;
+                        break;
+
+                    default:
+                        R_EAX = 0x00000000;
+                        R_EBX = 0x00000000;
+                        R_ECX = 0x00000000;
+                        R_EDX = 0x00000000;
+                        break;
+                }
+            }
+            break;
+        case 0x5:   //mwait info
+            R_EAX = 0;
+            R_EBX = 0;
+            R_ECX = 1 | 2;
+            R_EDX = 0;
+            break;
+        case 0x3:   // PSN
+        case 0x6:   // thermal
+        case 0x8:   // more extended capabilities
+        case 0x9:   // direct cache access
+        case 0xA:   // Architecture performance monitor
+            R_EAX = 0;
+            R_EBX = 0;
+            R_ECX = 0;
+            R_EDX = 0;
+            break;
+        case 0x7:
+            // extended bits...
+            if(R_ECX==0) {
+                R_EAX = 0;
+                R_EBX =
+                        BOX64ENV(avx)<<3 |  // BMI1
+                        BOX64ENV(avx2)<<5 |  //AVX2
+                        (BOX64ENV(cputype)?0:1)<<6 | // FDP_EXCPTN_ONLY
+                        1<<7 | // SMEP
+                        BOX64ENV(avx2)<<8 | //BMI2
+                        (BOX64ENV(cputype)?0:1)<<9 |    // Enhanced REP MOVSB   // is it a good idea?
+                        1<<10 | //INVPCID (priviledge instruction
+                        (BOX64ENV(cputype)?0:1)<<13 | // Deprecates FPU CS and FPU DS
+                        0<<18 | // RDSEED
+                        BOX64ENV(avx2)<<19 | //ADX
+                        1<<23 | // CLFLUSHOPT
+                        1<<24 | // CLWB
+                        BOX64ENV(shaext)<<29|  // SHA extension
+                        0;
+                R_RCX =
+                        BOX64ENV(avx)<<9   | //VAES
+                        BOX64ENV(avx2)<<10 | //VPCLMULQDQ.
+                        1<<22 | // RDPID
+                        0;
+                R_RDX = 0;
+
+            } else {R_EAX = R_ECX = R_EBX = R_EDX = 0;}
+            break;
+        case 0xB:
+            if(BOX64ENV(cputype)) {
+                // reserved
+                R_EAX = R_EBX = R_ECX = R_EDX = 0 ;
+            } else {
+                // Extended Topology Enumeration Leaf
+                //TODO!
+                R_EAX = 0;
+                R_EBX = 0;
+            }
+            break;
+        case 0xC:
+            if(BOX64ENV(cputype)) {
+                // reserved
+                R_EAX = R_EBX = R_ECX = R_EDX = 0 ;
+            } else {
+                //?
+                R_EAX = 0;
+            }
+            break;
+        case 0xD:
+            // Processor Extended State Enumeration Main Leaf / Sub Leaf
+            switch(R_CX) {
+            case 0:
+                R_EAX = 0b111;          // x87 SSE AVX saved
+                R_EBX = 512+64+16*16;     // size of xsave/xrstor
+                R_ECX = 512+64+16*16;     // maximum size of xsave area
+                R_EDX = 0;              // more bits
+                break;
+            case 1:
+                R_EAX = 0;      // XSAVEOPT (0) and XSAVEC (1), XGETBV with ECX=1 (2) XSAVES (3) and XFD (4) not supported yet
+                R_ECX = R_EBX = R_EDX = 0;
+                break;
+            case 2:
+                // componant 2: avx
+                R_EAX = 16*16; // size of the avx block
+                R_EBX = 512+64;  // offset
+                R_ECX = 0;
+                R_EDX = 0;
+                break;
+            default:
+                R_EAX = R_ECX = R_EBX = R_EDX = 0;
+                break;
+            }
+            break;
+        case 0xE:   //?
+            R_EAX = 0;
+            break;
+        case 0xF:
+            if(BOX64ENV(cputype)) {
+                // reserved
+                R_EAX = R_EBX = R_ECX = R_EDX = 0 ;
+            } else {
+                //L3 Cache
+                switch(R_ECX) {
+                    case 0:
+                        R_EAX = 0;
+                        R_EBX = 0; // maximum range of RMID of physical processor
+                        R_ECX = 0;
+                        R_EDX = 0;  // bit 1 support L3 RDT Cache monitoring
+                        break;
+                    case 1:
+                        R_EAX = 0;
+                        R_EBX = 0;  // Conversion factor
+                        R_EDX = 0;  // bit 0 = occupency monitoring
+                        break;
+                    default: R_EAX = 0;
+                }
+            }
+            break;
+        case 0x14:
+            if(BOX64ENV(cputype)) {
+                // reserved
+                R_EAX = R_EBX = R_ECX = R_EDX = 0 ;
+            } else {
+                // Processor Trace Enumeration Main Leaf
+                switch(R_ECX) {
+                    case 0: // main leaf
+                        R_EAX = 0;  // max sub-leaf
+                        R_EBX = 0;
+                        R_ECX = 0;
+                        R_EDX = 0;
+                        break;
+                    default: R_EAX = 0;
+                }
+            }
+            break;
+        case 0x15:
+            if(BOX64ENV(cputype)) {
+                // reserved
+                R_EAX = R_EBX = R_ECX = R_EDX = 0 ;
+            } else {
+                // TSC core frenquency
+                R_EAX = 1;  // denominator
+                R_EBX = 1;  // numerator
+                {
+                    uint64_t freq = ReadTSCFrequency(emu);
+                    while(freq>100000000) {
+                        freq/=10;
+                        R_EAX *= 10;
+                    }
+                    R_ECX = freq;  // nominal frequency in Hz
+                }
+                R_EDX = 0;
+            }
+            break;
+
+        case 0x80000000:        // max extended
+            if(BOX64ENV(cputype)) {
+                R_EAX = 0x8000001a;
+                R_EBX = 0x68747541;
+                R_ECX = 0x444d4163;
+                R_EDX = 0x69746E65;
+            } else {
+                R_EAX = 0x80000005; // was 0x80000007 before, but L2 cache description 0x80000006 is not correct and make some AC games to assert about l2 cache value coherency...
+            }
+            break;
+        case 0x80000001:        //Extended Processor Signature and Feature Bits
+            if(BOX64ENV(cputype)) {
+                R_EAX = (0xc<<0) | // stepping 0-3
+                        (0x1<<4) | // base model 4-7
+                        (0xf<<8) | // base familly 8-11
+                        (0x0<<12)| // reserved 12-15
+                        (0x7<<16)| // Extented model 16-19
+                        (0x8<<20)| // extended familly 20-27
+                        (0x0<<28)| // reserved 28-31
+                        0 ; // family and all, simulating a Ryzen 5 type of cpu
+                R_EBX = 0; //0-15 brandID, 16-27 reserved, 28-31 PkgType
+                R_ECX =   1<<0      // LAHF/SAHF
+                        | 1<<1      // cmplegacy?
+                        | 1<<2      // securevm
+                        | 1<<5      // ABM (LZCNT)
+                        | 1<<6      // SSE4a (extrq, instrq, movntss, movntsd)
+                        //| 1<<7      // misaligned SSE
+                        | 1<<8      // 3DNowPrefetch
+                        //| 1<<10     // IBS
+                        //| 1<<11     // XOP
+                        //| 1<<16     // FMA4
+                        ;
+                R_EDX =   1         // fpu
+                        | 1<<2      // debugging extension
+                        | 1<<3      // pse
+                        | 1<<4      // rdtsc
+                        | 1<<5      // msr
+                        | 1<<6      // pae
+                        | 1<<8      // cmpxchg8
+                        | 1<<11     // sep (sysenter & sysexit)
+                        | 1<<12     // mtrr
+                        | 1<<13     // pge
+                        | 1<<15     // cmov
+                        | 1<<16     // pat
+                        | 1<<17     // pse36
+                        | 1<<19     // clflush (seems to be with SSE2)
+                        | 1<<20     // NX
+                        | 1<<21     // DS, used with VMX, is that usefull?
+                        | 1<<22     // MMXext
+                        | 1<<23     // mmx
+                        | 1<<24     // fxsr (fxsave, fxrestore)
+                        //| 1<<25     // FFXSR
+                        //| 1<<26     // Page1GB
+                        | 1<<27     // RDTSCP
+                        | 1<<29     //LM
+                        //| 1<<30     //3DNowExt
+                        //| 1<<31     //3DNow!
+                        ;
+            } else {
+                R_EAX = 0;  // reserved
+                R_EBX = 0;  // reserved
+                R_ECX = (1<<0)  // LAHF_LM
+                    | (1<<5)    // LZCNT
+                    | (1<<8)   // PREFETCHW
+                    ;
+                R_EDX = 1       // x87 FPU
+                    | (1<<8)    // cx8: cmpxchg8b opcode
+                    | (1<<11)   // syscall
+                    | (1<<15)   // cmov: FCMOV opcodes
+                    | (1<<20)   // NX
+                    | (1<<23)   // mmx: MMX available
+                    | (1<<24)   // fxsave
+                    | (1<<27)   // rdtscp
+                    | (1<<29);  // long mode 64bits available
+            }
+            break;
+        case 0x80000002:    // Brand part 1 (branding signature)
+            R_EAX = ((uint32_t*)branding)[0];
+            R_EBX = ((uint32_t*)branding)[1];
+            R_ECX = ((uint32_t*)branding)[2];
+            R_EDX = ((uint32_t*)branding)[3];
+            break;
+        case 0x80000003:    // Brand part 2
+            R_EAX = ((uint32_t*)branding)[4];
+            R_EBX = ((uint32_t*)branding)[5];
+            R_ECX = ((uint32_t*)branding)[6];
+            R_EDX = ((uint32_t*)branding)[7];
+            break;
+        case 0x80000004:    // Brand part 3, with frequency
+            R_EAX = ((uint32_t*)branding)[8];
+            R_EBX = ((uint32_t*)branding)[9];
+            R_ECX = ((uint32_t*)branding)[10];
+            R_EDX = ((uint32_t*)branding)[11];
+            break;
+        case 0x80000005:
+            if(BOX64ENV(cputype)) {
+                //L1 cache and TLB
+                R_EAX = 0;
+                R_EBX = 0;
+                R_ECX = 0;
+                R_EDX = 0;
+            } else {
+                R_EAX = 0;
+                R_EBX = 0;
+                R_ECX = 0;
+                R_EDX = 0;
+            }
+            break;
+        case 0x80000006:    // L2 cache line size and associativity
+            if(BOX64ENV(cputype)) {
+                R_EAX = 0;
+                R_EBX = 0;
+                R_ECX = 64 | (0x6<<12) | (256<<16); // bits: 0-7 line size, 15-12: assoc (using special encoding), 31-16: size in K    //TODO: read info from /sys/devices/system/cpu/cpuX/cache/index2
+                R_EDX = 0;
+            } else {
+                R_EAX = 0;
+                R_EBX = 0;
+                R_ECX = 64 | (0x6<<12) | (256<<16); // bits: 0-7 line size, 15-12: assoc (using special encoding), 31-16: size in K    //TODO: read info from /sys/devices/system/cpu/cpuX/cache/index2
+                R_EDX = 0;
+            }
+            break;
+        case 0x80000007:
+            if(BOX64ENV(cputype)) {
+                // Advanced Power Management Information
+                R_EAX = 0;
+                R_EBX = 0;
+                R_ECX = 0;
+                R_EDX = 0 | (1<<8); // Invariant TSC
+            } else {
+                // Invariant TSC
+                R_EAX = 0;
+                R_EBX = 0;
+                R_ECX = 0;
+                R_EDX = 0 | (1<<8); // Invariant TSC
+            }
+            break;
+        case 0x80000008:
+            if(BOX64ENV(cputype)) {
+                // Address Size And Physical Core Count Information
+                R_EAX = 0;  // 23-16 guest / 15-8 linear / 7-0 phys
+                R_EBX = 0;  // reserved
+                R_ECX = ncpu-1;
+                R_EDX = 0;
+            } else {
+                // ?
+                R_EAX = 0;
+                R_EBX = 0;
+                R_ECX = 0;
+                R_EDX = 0;
+            }
+            break;
+        case 0x8000000a:
+            if(BOX64ENV(cputype)) {
+                // SVM Revision and Feature Identification
+                R_EAX = 0;
+                R_EBX = 0;
+                R_ECX = 0;
+                R_EDX = 0;
+            } else {
+                // ?
+                R_EAX = 0;
+                R_EBX = 0;
+                R_ECX = 0;
+                R_EDX = 0;
+            }
+            break;
+        case 0x8000001a:
+            if(BOX64ENV(cputype)) {
+                // Performance Optimization Identifiers
+                R_EAX =   1<<0  // FP128
+                        | 1<<1  // MOVU
+                        | 0;
+                R_EBX = 0;
+                R_ECX = 0;
+                R_EDX = 0;
+            } else {
+                // ?
+                R_EAX = 0;
+                R_EBX = 0;
+                R_ECX = 0;
+                R_EDX = 0;
+            }
+            break;
+        default:
+            if(warned) {
+                printf_log(LOG_INFO, "Warning, CPUID command %X unsupported (ECX=%08x)\n", tmp32u, R_ECX);
+                --warned;
+                if(!warned)
+                    printf_log(LOG_INFO, "Stopped logging CPUID issues\n");
+            }
+            R_EAX = 0;
+            R_EBX = 0;
+            R_ECX = 0;
+            R_EDX = 0;
+    }
+}
+
+uint32_t helper_getcpu(x64emu_t* emu) {
+    #if defined(__GLIBC__) && defined(__GLIBC_MINOR__) && !defined(ANDROID)
+    #if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 28)
+    uint32_t cpu, node;
+    if(!getcpu(&cpu, &node))
+        return (node&0xff)<<12 | (cpu&0xff);
+    #endif
+    #endif
+    return 0;
+}
+
+uint32_t fallback_random32()
+{
+    return random() ^ (random()<<1);
+}
+
+uint32_t get_random32()
+{
+    uint32_t ret;
+    FILE* f = fopen("/dev/urandom", "rb");
+    if(f) {
+        if(fread(&ret, sizeof(ret), 1, f)!=1)
+            ret = fallback_random32();
+        fclose(f);
+    } else
+        ret = fallback_random32();
+    return ret;
+}
+uint64_t fallback_random64()
+{
+    return random() ^ (((uint64_t)random())<<18) ^ (((uint64_t)random())<<41);
+}
+
+uint64_t get_random64()
+{
+    uint64_t ret;
+    FILE* f = fopen("/dev/urandom", "rb");
+    if(f) {
+        if(fread(&ret, sizeof(ret), 1, f)!=1)
+            ret = fallback_random64();
+        fclose(f);
+    } else
+        ret = fallback_random64();
+    return ret;
+}
diff --git a/src/os/my_cpuid_wine.c b/src/os/my_cpuid_wine.c
new file mode 100644
index 00000000..c2d24b1c
--- /dev/null
+++ b/src/os/my_cpuid_wine.c
@@ -0,0 +1,29 @@
+#include <windows.h>
+
+#include "my_cpuid.h"
+
+const char* getBoxCpuName()
+{
+    return NULL;
+}
+
+void my_cpuid(x64emu_t* emu, uint32_t tmp32u)
+{
+    // FIXME
+}
+
+uint32_t helper_getcpu(x64emu_t* emu) {
+    return 0;
+}
+
+uint32_t get_random32(void)
+{
+    // FIXME
+    return 0;
+}
+
+uint64_t get_random64(void)
+{
+    // FIXME
+    return 0;
+}
\ No newline at end of file
diff --git a/src/os/os_linux.c b/src/os/os_linux.c
index 6d9db214..556d4d9b 100644
--- a/src/os/os_linux.c
+++ b/src/os/os_linux.c
@@ -1,8 +1,11 @@
+#define _GNU_SOURCE
 #include <sys/syscall.h>
 #include <sched.h>
 #include <unistd.h>
 #include <stdint.h>
 #include <sys/personality.h>
+#include <dlfcn.h>
+#include <string.h>
 
 #include "os.h"
 #include "signals.h"
@@ -10,6 +13,9 @@
 #include "bridge.h"
 #include "elfloader.h"
 #include "env.h"
+#include "debug.h"
+#include "x64tls.h"
+#include "librarian.h"
 
 int GetTID(void)
 {
@@ -51,6 +57,70 @@ void EmuX86Syscall(void* emu)
     x86Syscall((x64emu_t*)emu);
 }
 
+extern int box64_is32bits;
+
+void* GetSeg43Base()
+{
+    tlsdatasize_t* ptr = getTLSData(my_context);
+    return ptr->data;
+}
+
+void* GetSegmentBase(uint32_t desc)
+{
+    if (!desc) {
+        printf_log(LOG_NONE, "Warning, accessing segment NULL\n");
+        return NULL;
+    }
+    int base = desc >> 3;
+    if (!box64_is32bits && base == 0x8 && !my_context->segtls[base].key_init)
+        return GetSeg43Base();
+    if (box64_is32bits && (base == 0x6))
+        return GetSeg43Base();
+    if (base > 15) {
+        printf_log(LOG_NONE, "Warning, accessing segment unknown 0x%x or unset\n", desc);
+        return NULL;
+    }
+    if (my_context->segtls[base].key_init) {
+        void* ptr = pthread_getspecific(my_context->segtls[base].key);
+        return ptr;
+    }
+
+    void* ptr = (void*)my_context->segtls[base].base;
+    return ptr;
+}
+
+const char* GetNativeName(void* p)
+{
+    static char buff[500] = { 0 };
+    {
+        const char* n = getBridgeName(p);
+        if (n)
+            return n;
+    }
+    Dl_info info;
+    if (dladdr(p, &info) == 0) {
+        const char* ret = GetNameOffset(my_context->maplib, p);
+        if (ret)
+            return ret;
+        sprintf(buff, "%s(%p)", "???", p);
+        return buff;
+    } else {
+        if (info.dli_sname) {
+            strcpy(buff, info.dli_sname);
+            if (info.dli_fname) {
+                strcat(buff, "(");
+                strcat(buff, info.dli_fname);
+                strcat(buff, ")");
+            }
+        } else {
+            sprintf(buff, "%s(%s+%p)", "???", info.dli_fname, (void*)(p - info.dli_fbase));
+            return buff;
+        }
+    }
+    return buff;
+}
+
+
 void PersonalityAddrLimit32Bit(void)
 {
     personality(ADDR_LIMIT_32BIT);
diff --git a/src/os/os_wine.c b/src/os/os_wine.c
index 7e3c58fb..06a8317b 100644
--- a/src/os/os_wine.c
+++ b/src/os/os_wine.c
@@ -17,13 +17,53 @@ int IsBridgeSignature(char s, char c)
     return FALSE;
 }
 
-void PersonalityAddrLimit32Bit(void) { }
+void* GetSeg43Base()
+{
+    return NULL;
+}
+
+void* GetSegmentBase(uint32_t desc)
+{
+    // FIXME
+    return NULL;
+}
+
+void EmuInt3(void* emu, void* addr) { }
+void* EmuFork(void* emu, int forktype) { return NULL; }
+
+
+void EmuX64Syscall(void* emu)
+{
+    // FIXME
+}
+
+void EmuX86Syscall(void* emu)
+{
+    // FIXME
+}
+
+const char* GetNativeName(void* p)
+{
+    return NULL;
+}
+
+
+void PersonalityAddrLimit32Bit(void)
+{
+}
 
 int IsAddrElfOrFileMapped(uintptr_t addr)
 {
     return 0;
 }
 
+
+int IsNativeCall(uintptr_t addr, int is32bits, uintptr_t* calladdress, uint16_t* retn)
+{
+    return 0;
+}
+
+
 ULONG_PTR default_zero_bits32 = 0x7fffffff;
 
 static uint32_t prot_unix_to_win32(uint32_t unx)
diff --git a/src/os/perfmap.c b/src/os/perfmap.c
new file mode 100644
index 00000000..700863cf
--- /dev/null
+++ b/src/os/perfmap.c
@@ -0,0 +1,27 @@
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <string.h>
+#include <assert.h>
+#include <unistd.h>
+
+#include "debug.h"
+#include "box64context.h"
+#include "perfmap.h"
+
+#ifndef _WIN32
+#include "elfloader.h"
+
+void writePerfMap(uintptr_t func_addr, uintptr_t code_addr, size_t code_size, const char* inst_name)
+{
+    char pbuf[128];
+    uint64_t sz = 0;
+    uintptr_t start = 0;
+    const char* symbname = FindNearestSymbolName(FindElfAddress(my_context, func_addr), (void*)func_addr, &start, &sz);
+    snprintf(pbuf, sizeof(pbuf), "0x%lx %ld %s:%s\n", code_addr, code_size, symbname, inst_name);
+    write(BOX64ENV(dynarec_perf_map_fd), pbuf, strlen(pbuf));
+}
+#else
+void writePerfMap(uintptr_t func_addr, uintptr_t code_addr, size_t code_size, const char* inst_name) { }
+#endif
\ No newline at end of file