Change branding of Cpu to refect Box64 and the cpu it's running on

3 files changed, 81 insertions, 31 deletions

diff --git a/src/main.c b/src/main.c
index 20e5bd35..21c8ed6a 100755
--- a/src/main.c
+++ b/src/main.c
@@ -204,8 +204,9 @@ void my_child_fork()
     }
 }
 
-#ifdef DYNAREC
+const char* getCpuName();
 int getNCpu();
+#ifdef DYNAREC
 void GatherDynarecExtensions()
 {
     if(box64_dynarec==0)    // no need to check if no dynarec
@@ -347,9 +348,7 @@ HWCAP2_ECV
         printf_log(LOG_INFO, " PMULL");
     if(arm64_atomics)
         printf_log(LOG_INFO, " ATOMICS");
-    printf_log(LOG_INFO, " PageSize:%zd", box64_pagesize);
-    int ncpu = getNCpu();
-    printf_log(LOG_INFO, " Cores:%d\n", ncpu);
+    printf_log(LOG_INFO, " PageSize:%zd\n", box64_pagesize);
 #elif defined(LA464)
     printf_log(LOG_INFO, "Dynarec for LoongArch");
     printf_log(LOG_INFO, " PageSize:%zd\n", box64_pagesize);
@@ -782,6 +781,9 @@ void LoadLogEnv()
 #ifdef DYNAREC
     GatherDynarecExtensions();
 #endif
+    int ncpu = getNCpu();
+    const char* cpuname = getCpuName();
+    printf_log(LOG_INFO, "Running on %s with %d Cores\n", cpuname, ncpu);
 }
 
 EXPORTDYN
diff --git a/src/tools/my_cpuid.c b/src/tools/my_cpuid.c
index b08c214f..06b725aa 100644
--- a/src/tools/my_cpuid.c
+++ b/src/tools/my_cpuid.c
@@ -25,11 +25,33 @@ int get_cpuMhz()
 	return MHz;
 }
 int getNCpu();  // defined in wrappedlibc.c
+const char* getCpuName();   // same
 
 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();
+    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, 3*4*4, "Box64 on %s", name);
+        } else {
+            int MHz = get_cpuMhz();
+            if(MHz>15000) { // swiches to GHz display...
+                snprintf(branding, 3*4*4, "Box64 on %s @%1.2f GHz", name, MHz/1000.);
+            } else {
+                snprintf(branding, 3*4*4, "Box64 on %s @%04d MHz", name, MHz);
+            }
+        }
+        while(strlen(branding)<3*4*4) {
+            memmove(branding+1, branding, strlen(branding));
+            branding[0] = ' ';
+        }
+    }
     if(ncpu>255) ncpu = 255;
     if(!ncpu) ncpu = 1;
     switch(tmp32u) {
@@ -157,37 +179,23 @@ void my_cpuid(x64emu_t* emu, uint32_t tmp32u)
             //AMD flags?
             //R_EDX = 1 | (1<<8) | (1<<11) | (1<<15) | (1<<23) | (1<<29); // fpu+cmov+cx8+syscall+mmx+lm (mmxext=22, 3dnow=31, 3dnowext=30)
             break;
-        case 0x80000002:    // Brand part 1 (P4 signature)
-            R_EAX = 0x20202020;
-            R_EBX = 0x20202020;
-            R_ECX = 0x20202020;
-            R_EDX = 0x6E492020;
+        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 = 0x286C6574;
-            R_EBX = 0x50202952;
-            R_ECX = 0x69746E65;
-            R_EDX = 0x52286D75;
+            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 = 0x20342029;
-            R_EBX = 0x20555043;
-            {
-                static int MHz = 0;
-                if(!MHz)
-					MHz = get_cpuMhz();
-                if(MHz>15000) { // swiches to GHz display...
-                    char tmp[11];
-                    sprintf(tmp, "%1.2f", MHz/1000.);
-                    R_ECX = *(uint32_t*)tmp;
-                    R_EDX = 0x007A4847; // GHz
-                } else {
-                    char tmp[11];
-                    sprintf(tmp, "%04d", MHz);
-                    R_ECX = *(uint32_t*)tmp;
-                    R_EDX = 0x007A484D; // MHz
-                }
-            }
+            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:
             R_EAX = 0;
diff --git a/src/wrapped/wrappedlibc.c b/src/wrapped/wrappedlibc.c
index 0f9ae4a5..b3f52353 100755
--- a/src/wrapped/wrappedlibc.c
+++ b/src/wrapped/wrappedlibc.c
@@ -1457,6 +1457,46 @@ int getNCpu()
     return nCPU;
 }
 
+const char* getCpuName()
+{
+    static char name[200] = "Unknown";
+    static int done = 0;
+    if(done)
+        return name;
+    done = 1;
+    FILE* f = popen("lscpu | grep \"Model name:\" | sed -r 's/Model name:\\s{1,}//g'", "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;
+            strncpy(name, tmp, 199);
+            return name;
+        }
+    }
+    // failled, try to get architecture at least
+    f = popen("lscpu | grep \"Architecture:\" | sed -r 's/Architecture:\\s{1,}//g'", "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);
+            return name;
+        }
+    }
+    // Nope, bye
+    return name;
+}
+
 
 #ifndef NOALIGN
 void CreateCPUInfoFile(int fd)