Test

PR #251 added:

```
if defined (__FreeBSD__) || defined (__APPLE__)
...
get_sys_info_by_name
```

that function is available in src/common/sysctl.c.
In the Makefile it builds with sysctl.c but only under FreeBSD:

```
ifeq ($(os), FreeBSD)
```

So it fails under macOS as reported by #375

Makefile

@@ -30,7 +30,7 @@ ifneq ($(OS),Windows_NT)
 			HEADERS += $(SRC_DIR)freq/freq.h
 			CFLAGS += -pthread
 		endif
-		ifeq ($(os), FreeBSD)
+		ifeq ($(os), $(filter $(os), FreeBSD Darwin))
 			SOURCE += $(SRC_COMMON)sysctl.c
 			HEADERS += $(SRC_COMMON)sysctl.h
 		endif

msr.c

@@ -0,0 +1,56 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <errno.h>
+
+#define MSR_PSTATE_0 0xC0010064
+
+// Reads a 64-bit MSR value from a given CPU core
+int read_msr(int cpu, uint64_t msr_addr, uint64_t *value) {
+    char msr_path[64];
+    snprintf(msr_path, sizeof(msr_path), "/dev/cpu/%d/msr", cpu);
+
+    int fd = open(msr_path, O_RDONLY);
+    if (fd < 0) {
+        perror("open");
+        return -1;
+    }
+
+    if (lseek(fd, msr_addr, SEEK_SET) == -1) {
+        perror("lseek");
+        close(fd);
+        return -1;
+    }
+
+    if (read(fd, value, sizeof(*value)) != sizeof(*value)) {
+        perror("read");
+        close(fd);
+        return -1;
+    }
+
+    close(fd);
+    return 0;
+}
+
+int main(int argc, char **argv) {
+    int cpu = 0;
+    if (argc > 1) cpu = atoi(argv[1]);
+
+    uint64_t val;
+    if (read_msr(cpu, MSR_PSTATE_0, &val) != 0) {
+        fprintf(stderr, "Failed to read MSR on CPU %d\n", cpu);
+        return 1;
+    }
+
+    unsigned int fid = val & 0xff;          // bits [7:0]
+    unsigned int did = (val >> 8) & 0x3f;   // bits [13:8]
+    double freq_mhz = (fid * 25.0) / (1 << did);  // 25 MHz ref clock on Zen CPUs
+
+    printf("CPU%d: MSR[0x%lx] = 0x%016llx\n", cpu, (unsigned long)MSR_PSTATE_0, (unsigned long long)val);
+    printf("FID: %u, DID: %u\n", fid, did);
+    printf("Estimated frequency: %.2f MHz\n", freq_mhz);
+
+    return 0;
+}

src/common/ascii.h

@@ -445,6 +445,26 @@ $C1     .#########       |__________|######   |__________| \
 $C1   ###########         ___###########       __________  \
 $C1.##########           |__________|         |__________| "
 
+#define ASCII_SPACEMIT \
+"$C1                      :#:  \
+$C1                   :####:  \
+$C1                :#######:  \
+$C1              :#########:  \
+$C1              :#########:  \
+$C1              :#######:    \
+$C1              :####:       \
+$C1              :#:          \
+$C1:##:             :#:       \
+$C1:####:         :###:       \
+$C1:#######:     :####:       \
+$C1:##########:  :###:        \
+$C1:###########: :#:          \
+$C1:###########:              \
+$C1 :##########:              \
+$C1    :#######:              \
+$C1       :####:              \
+$C1         :##:              "
+
 // --------------------- LONG LOGOS ------------------------- //
 #define ASCII_AMD_L \
 "$C1                                                              \
@@ -624,6 +644,7 @@ asciiL logo_ampere      = { ASCII_AMPERE,      50, 17, false, {C_FG_RED},
 asciiL logo_nxp         = { ASCII_NXP,         55,  8, false, {C_FG_YELLOW, C_FG_CYAN, C_FG_GREEN},           {C_FG_CYAN,    C_FG_WHITE}   };
 asciiL logo_amlogic     = { ASCII_AMLOGIC,     58,  8, false, {C_FG_BLUE},                                    {C_FG_BLUE,    C_FG_B_WHITE} };
 asciiL logo_marvell     = { ASCII_MARVELL,     56, 10, false, {C_FG_B_BLACK},                                 {C_FG_B_BLACK, C_FG_B_WHITE} };
+asciiL logo_spacemit    = { ASCII_SPACEMIT,    27, 18, false, {C_FG_B_GREEN},                                 {C_FG_B_GREEN, C_FG_B_WHITE} };
 
 // Long variants          | ----------------------------------------------------------------------------------------------------------------|
 asciiL logo_amd_l       = { ASCII_AMD_L,       62, 19, true,  {C_BG_WHITE, C_BG_GREEN},                       {C_FG_WHITE, C_FG_GREEN}     };

src/common/cpu.h

@@ -25,6 +25,7 @@ enum {
   CPU_VENDOR_RISCV,
   CPU_VENDOR_SIFIVE,
   CPU_VENDOR_THEAD,
+  CPU_VENDOR_SPACEMIT,
 // OTHERS
   CPU_VENDOR_UNKNOWN,
   CPU_VENDOR_INVALID
@@ -137,7 +138,7 @@ struct features {
 
 struct extensions {
   char* str;
-  uint64_t mask;
+  bool* mask; // allocated at runtime with size RISCV_ISA_EXT_ID_MAX
 };
 
 struct cpuInfo {

src/common/global.c

@@ -62,7 +62,7 @@
 #endif
 
 #ifndef GIT_FULL_VERSION
-  static const char* VERSION = "1.06";
+  static const char* VERSION = "1.07";
 #endif
 
 enum {

src/common/printer.c

@@ -45,9 +45,17 @@
 #define MAX_ATTRIBUTES      100
 #define MAX_TERM_SIZE       1024
 
+typedef struct {
+  int id;
+  const char *name;
+  const char *shortname;
+} AttributeField;
+
 enum {
-#if defined(ARCH_X86) || defined(ARCH_PPC)
+#if defined(ARCH_X86)
   ATTRIBUTE_NAME,
+#elif defined(ARCH_PPC)
+  ATTRIBUTE_PART_NUMBER,
 #elif defined(ARCH_ARM) || defined(ARCH_RISCV)
   ATTRIBUTE_SOC,
 #endif
@@ -79,76 +87,40 @@ enum {
   ATTRIBUTE_PEAK
 };
 
-static const char* ATTRIBUTE_FIELDS [] = {
+static const AttributeField ATTRIBUTE_INFO[] = {
-#ifdef ARCH_X86
-  "Name:",
-#elif ARCH_PPC
-  "Part Number:",
-#elif defined(ARCH_ARM) || defined(ARCH_RISCV)
-  "SoC:",
-#endif
-#if defined(ARCH_X86) || defined(ARCH_ARM)
-  "",
-#endif
-  "Hypervisor:",
-  "Microarchitecture:",
-  "Technology:",
-  "Max Frequency:",
-  "Sockets:",
-  "Cores:",
-  "Cores (Total):",
-#ifdef ARCH_X86
-  "SSE:",
-  "AVX:",
-  "FMA:",
-#elif ARCH_PPC
-  "Altivec: ",
-#elif defined(ARCH_ARM)
-  "Features: ",
-#elif defined(ARCH_RISCV)
-  "Extensions: ",
-#endif
-  "L1i Size:",
-  "L1d Size:",
-  "L2 Size:",
-  "L3 Size:",
-  "Peak Performance:",
-};
-
-static const char* ATTRIBUTE_FIELDS_SHORT [] = {
 #if defined(ARCH_X86)
-  "Name:",
+  { ATTRIBUTE_NAME,        "Name:",              "Name:"          },
-#elif ARCH_PPC
+#elif defined(ARCH_PPC)
-  "P/N:",
+  { ATTRIBUTE_PART_NUMBER, "Part Number:",       "P/N:"           },
-#elif ARCH_ARM
+#elif defined(ARCH_ARM) || defined(ARCH_RISCV)
-  "SoC:",
+  { ATTRIBUTE_SOC,         "SoC:",               "SoC:"           },
 #endif
 #if defined(ARCH_X86) || defined(ARCH_ARM)
-  "",
+  { ATTRIBUTE_CPU_NUM,     "",                   ""               },     
 #endif
-  "Hypervisor:",
+  { ATTRIBUTE_HYPERVISOR,  "Hypervisor:",        "Hypervisor:"    },
-  "uArch:",
+  { ATTRIBUTE_UARCH,       "Microarchitecture:", "uArch:"         },
-  "Technology:",
+  { ATTRIBUTE_TECHNOLOGY,  "Technology:",        "Technology:"    },
-  "Max Freq:",
+  { ATTRIBUTE_FREQUENCY,   "Max Frequency:",     "Max Freq:"      },
-  "Sockets:",
+  { ATTRIBUTE_SOCKETS,     "Sockets:",           "Sockets:"       },
-  "Cores:",
+  { ATTRIBUTE_NCORES,      "Cores:",             "Cores:"         },
-  "Cores (Total):",
+  { ATTRIBUTE_NCORES_DUAL, "Cores (Total):",     "Cores (Total):" },
 #ifdef ARCH_X86
-  "SSE:",
+  { ATTRIBUTE_SSE,         "SSE:",               "SSE:"           },
-  "AVX:",
+  { ATTRIBUTE_AVX,         "AVX:",               "AVX:"           },
-  "FMA:",
+  { ATTRIBUTE_FMA,         "FMA:",               "FMA:"           },
 #elif ARCH_PPC
-  "Altivec: ",
+  { ATTRIBUTE_ALTIVEC,     "Altivec: ",          "Altivec: "      },
-#elif defined(ARCH_ARM)
+#elif ARCH_ARM
-  "Features: ",
+  { ATTRIBUTE_FEATURES,    "Features: ",         "Features: "     },
-#elif defined(ARCH_RISCV)
+#elif ARCH_RISCV
-  "Extensions: ",
+  { ATTRIBUTE_EXTENSIONS,  "Extensions: ",       "Extensions: "   },
 #endif
-  "L1i Size:",
+  { ATTRIBUTE_L1i,         "L1i Size:",          "L1i Size:"      },
-  "L1d Size:",
+  { ATTRIBUTE_L1d,         "L1d Size:",          "L1d Size:"      },
-  "L2 Size:",
+  { ATTRIBUTE_L2,          "L2 Size:",           "L2 Size:"       },
-  "L3 Size:",
+  { ATTRIBUTE_L3,          "L3 Size:",           "L3 Size:"       },
-  "Peak Perf.:",
+  { ATTRIBUTE_PEAK,        "Peak Performance:",  "Peak Perf.:"    },
 };
 
 struct terminal {
@@ -412,6 +384,8 @@ void choose_ascii_art(struct ascii* art, struct color** cs, struct terminal* ter
     art->art = &logo_allwinner;
   else if(art->vendor == SOC_VENDOR_SIPEED)
     art->art = &logo_sipeed;
+  else if(art->vendor == SOC_VENDOR_SPACEMIT)
+    art->art = &logo_spacemit;
   else
     art->art = &logo_riscv;
 #endif
@@ -452,13 +426,14 @@ void choose_ascii_art(struct ascii* art, struct color** cs, struct terminal* ter
   }
 }
 
-uint32_t longest_attribute_length(struct ascii* art, const char** attribute_fields) {
+uint32_t longest_attribute_length(struct ascii* art, bool use_short) {
   uint32_t max = 0;
   uint64_t len = 0;
 
   for(uint32_t i=0; i < art->n_attributes_set; i++) {
     if(art->attributes[i]->value != NULL) {
-      len = strlen(attribute_fields[art->attributes[i]->type]);
+      const char* str = use_short ? ATTRIBUTE_INFO[art->attributes[i]->type].shortname : ATTRIBUTE_INFO[art->attributes[i]->type].name;
+      len = strlen(str);
       if(len > max) max = len;
     }
   }
@@ -483,7 +458,7 @@ uint32_t longest_field_length(struct ascii* art, int la) {
 }
 
 #if defined(ARCH_X86) || defined(ARCH_PPC)
-void print_ascii_generic(struct ascii* art, uint32_t la, int32_t termw, const char** attribute_fields, bool hybrid_architecture) {
+void print_ascii_generic(struct ascii* art, uint32_t la, int32_t termw, bool use_short, bool hybrid_architecture) {
   struct ascii_logo* logo = art->art;
   int attr_to_print = 0;
   int attr_type;
@@ -545,14 +520,15 @@ void print_ascii_generic(struct ascii* art, uint32_t la, int32_t termw, const ch
       else {
 #endif
         beg_space = 0;
-        space_right = 2 + 1 + (la - strlen(attribute_fields[attr_type]));
+        const char* attr_str = use_short ? ATTRIBUTE_INFO[attr_type].shortname : ATTRIBUTE_INFO[attr_type].name;
+        space_right = 2 + 1 + (la - strlen(attr_str));
         if(hybrid_architecture && add_space) {
           beg_space = 2;
           space_right -= 2;
         }
 
-        printOut(lbuf, beg_space + strlen(attribute_fields[attr_type]) + space_right + strlen(attr_value),
+        printOut(lbuf, beg_space + strlen(attr_str) + space_right + strlen(attr_value),
-                 "%*s%s%s%s%*s%s%s%s", beg_space, "", logo->color_text[0], attribute_fields[attr_type], art->reset, space_right, "", logo->color_text[1], attr_value, art->reset);
+                 "%*s%s%s%s%*s%s%s%s", beg_space, "", logo->color_text[0], attr_str, art->reset, space_right, "", logo->color_text[1], attr_value, art->reset);
 #ifdef ARCH_X86
       }
 #endif
@@ -661,19 +637,19 @@ bool print_cpufetch_x86(struct cpuInfo* cpu, STYLE s, struct color** cs, struct
   setAttribute(art, ATTRIBUTE_PEAK, pp);
 
   // Step 3. Print output
-  const char** attribute_fields = ATTRIBUTE_FIELDS;
+  bool use_short = false;
-  uint32_t longest_attribute = longest_attribute_length(art, attribute_fields);
+  uint32_t longest_attribute = longest_attribute_length(art, use_short);
   uint32_t longest_field = longest_field_length(art, longest_attribute);
   choose_ascii_art(art, cs, term, longest_field);
 
   if(!ascii_fits_screen(term->w, *art->art, longest_field)) {
     // Despite of choosing the smallest logo, the output does not fit
     // Choose the shorter field names and recalculate the longest attr
-    attribute_fields = ATTRIBUTE_FIELDS_SHORT;
+    use_short = true;
-    longest_attribute = longest_attribute_length(art, attribute_fields);
+    longest_attribute = longest_attribute_length(art, use_short);
   }
 
-  print_ascii_generic(art, longest_attribute, term->w, attribute_fields, hybrid_architecture);
+  print_ascii_generic(art, longest_attribute, term->w, use_short, hybrid_architecture);
 
   free(manufacturing_process);
   free(sockets);
@@ -722,7 +698,7 @@ bool print_cpufetch_ppc(struct cpuInfo* cpu, STYLE s, struct color** cs, struct
 
   // Step 2. Set attributes
   if(cpu_name != NULL) {
-    setAttribute(art, ATTRIBUTE_NAME, cpu_name);
+    setAttribute(art, ATTRIBUTE_PART_NUMBER, cpu_name);
   }
   setAttribute(art, ATTRIBUTE_UARCH, uarch);
   if(cpu->hv->present) {
@@ -749,19 +725,19 @@ bool print_cpufetch_ppc(struct cpuInfo* cpu, STYLE s, struct color** cs, struct
   setAttribute(art, ATTRIBUTE_PEAK, pp);
 
   // Step 3. Print output
-  const char** attribute_fields = ATTRIBUTE_FIELDS;
+  bool use_short = false;
-  uint32_t longest_attribute = longest_attribute_length(art, attribute_fields);
+  uint32_t longest_attribute = longest_attribute_length(art, use_short);
   uint32_t longest_field = longest_field_length(art, longest_attribute);
   choose_ascii_art(art, cs, term, longest_field);
 
   if(!ascii_fits_screen(term->w, *art->art, longest_field)) {
     // Despite of choosing the smallest logo, the output does not fit
     // Choose the shorter field names and recalculate the longest attr
-    attribute_fields = ATTRIBUTE_FIELDS_SHORT;
+    use_short = true;
-    longest_attribute = longest_attribute_length(art, attribute_fields);
+    longest_attribute = longest_attribute_length(art, use_short);
   }
 
-  print_ascii_generic(art, longest_attribute, term->w, attribute_fields, false);
+  print_ascii_generic(art, longest_attribute, term->w, use_short, false);
 
   return true;
 }
@@ -789,7 +765,7 @@ uint32_t longest_field_length_arm(struct ascii* art, int la) {
   return max;
 }
 
-void print_ascii_arm(struct ascii* art, uint32_t la, int32_t termw, const char** attribute_fields) {
+void print_ascii_arm(struct ascii* art, uint32_t la, int32_t termw, bool use_short) {
   struct ascii_logo* logo = art->art;
   int attr_to_print = 0;
   int attr_type;
@@ -860,14 +836,15 @@ void print_ascii_arm(struct ascii* art, uint32_t la, int32_t termw, const char**
       }
       else {
         beg_space = 0;
-        space_right = 2 + 1 + (la - strlen(attribute_fields[attr_type]));
+        const char* attr_str = use_short ? ATTRIBUTE_INFO[attr_type].shortname : ATTRIBUTE_INFO[attr_type].name;
+        space_right = 2 + 1 + (la - strlen(attr_str));
         if(add_space) {
           beg_space = 2;
           space_right -= 2;
         }
 
-        printOut(lbuf, beg_space + strlen(attribute_fields[attr_type]) + space_right + strlen(attr_value),
+        printOut(lbuf, beg_space + strlen(attr_str) + space_right + strlen(attr_value),
-               "%*s%s%s%s%*s%s%s%s", beg_space, "", logo->color_text[0], attribute_fields[attr_type], art->reset, space_right, "", logo->color_text[1], attr_value, art->reset);
+               "%*s%s%s%s%*s%s%s%s", beg_space, "", logo->color_text[0], attr_str, art->reset, space_right, "", logo->color_text[1], attr_value, art->reset);
       }
     }
     printOutLine(lbuf, art, termw);
@@ -937,8 +914,8 @@ bool print_cpufetch_arm(struct cpuInfo* cpu, STYLE s, struct color** cs, struct
     setAttribute(art, ATTRIBUTE_HYPERVISOR, cpu->hv->hv_name);
   }
 
-  const char** attribute_fields = ATTRIBUTE_FIELDS;
+  bool use_short = false;
-  uint32_t longest_attribute = longest_attribute_length(art, attribute_fields);
+  uint32_t longest_attribute = longest_attribute_length(art, use_short);
   uint32_t longest_field = longest_field_length_arm(art, longest_attribute);
   choose_ascii_art(art, cs, term, longest_field);
 
@@ -950,11 +927,11 @@ bool print_cpufetch_arm(struct cpuInfo* cpu, STYLE s, struct color** cs, struct
   if(!ascii_fits_screen(term->w, *art->art, longest_field)) {
     // Despite of choosing the smallest logo, the output does not fit
     // Choose the shorter field names and recalculate the longest attr
-    attribute_fields = ATTRIBUTE_FIELDS_SHORT;
+    use_short = true;
-    longest_attribute = longest_attribute_length(art, attribute_fields);
+    longest_attribute = longest_attribute_length(art, use_short);
   }
 
-  print_ascii_arm(art, longest_attribute, term->w, attribute_fields);
+  print_ascii_arm(art, longest_attribute, term->w, use_short);
 
   free(manufacturing_process);
   free(pp);
@@ -972,14 +949,7 @@ bool print_cpufetch_arm(struct cpuInfo* cpu, STYLE s, struct color** cs, struct
 #endif
 
 #ifdef ARCH_RISCV
-// https://stackoverflow.com/a/2709523
+void print_ascii_riscv(struct ascii* art, uint32_t la, int32_t termw, bool use_short, bool* extensions_mask) {
-uint64_t number_of_bits(uint64_t i) {
-  i = i - ((i >> 1) & 0x5555555555555555);
-  i = (i & 0x3333333333333333) + ((i >> 2) & 0x3333333333333333);
-  return (((i + (i >> 4)) & 0xF0F0F0F0F0F0F0F) * 0x101010101010101) >> 56;
-}
-
-void print_ascii_riscv(struct ascii* art, uint32_t la, int32_t termw, const char** attribute_fields, uint64_t extensions_mask) {
   struct ascii_logo* logo = art->art;
   int attr_to_print = 0;
   int attr_type;
@@ -989,7 +959,7 @@ void print_ascii_riscv(struct ascii* art, uint32_t la, int32_t termw, const char
   int32_t ext_list_size = sizeof(extension_list)/sizeof(extension_list[0]);
   int32_t ext_num = 0;
   int32_t ext_to_print = 0;
-  int32_t num_extensions = number_of_bits(extensions_mask);
+  int32_t num_extensions = get_num_extensions(extensions_mask);
   int32_t space_up = ((int)logo->height - (int)(art->n_attributes_set + num_extensions))/2;
   int32_t space_down = (int)logo->height - (int)(art->n_attributes_set + num_extensions) - (int)space_up;
   uint32_t logo_pos = 0;
@@ -1035,7 +1005,9 @@ void print_ascii_riscv(struct ascii* art, uint32_t la, int32_t termw, const char
       // Print extension
       if(attr_to_print > 0 && art->attributes[attr_to_print-1]->type == ATTRIBUTE_EXTENSIONS && ext_num != num_extensions) {
         // Search for the extension to print
-        while(ext_to_print < ext_list_size && !((extensions_mask >> extension_list[ext_to_print].id) & 1U)) ext_to_print++;
+        while (ext_to_print < ext_list_size && !((extensions_mask[extension_list[ext_to_print].id])))
+          ext_to_print++;
+
         if(ext_to_print == ext_list_size) {
           printBug("print_ascii_riscv: Unable to find the extension to print");
         }
@@ -1047,10 +1019,11 @@ void print_ascii_riscv(struct ascii* art, uint32_t la, int32_t termw, const char
       else {
         attr_to_print++;
         beg_space = 0;
-        space_right = 2 + 1 + (la - strlen(attribute_fields[attr_type]));
+        const char* attr_str = use_short ? ATTRIBUTE_INFO[attr_type].shortname : ATTRIBUTE_INFO[attr_type].name;
+        space_right = 2 + 1 + (la - strlen(attr_str));
 
-        printOut(lbuf, beg_space + strlen(attribute_fields[attr_type]) + space_right + strlen(attr_value),
+        printOut(lbuf, beg_space + strlen(attr_str) + space_right + strlen(attr_value),
-                 "%*s%s%s%s%*s%s%s%s", beg_space, "", logo->color_text[0], attribute_fields[attr_type], art->reset, space_right, "", logo->color_text[1], attr_value, art->reset);
+                 "%*s%s%s%s%*s%s%s%s", beg_space, "", logo->color_text[0], attr_str, art->reset, space_right, "", logo->color_text[1], attr_value, art->reset);
       }
     }
     printOutLine(lbuf, art, termw);
@@ -1088,19 +1061,19 @@ bool print_cpufetch_riscv(struct cpuInfo* cpu, STYLE s, struct color** cs, struc
   setAttribute(art, ATTRIBUTE_PEAK, pp);
 
   // Step 3. Print output
-  const char** attribute_fields = ATTRIBUTE_FIELDS;
+  bool use_short = false;
-  uint32_t longest_attribute = longest_attribute_length(art, attribute_fields);
+  uint32_t longest_attribute = longest_attribute_length(art, use_short);
   uint32_t longest_field = longest_field_length(art, longest_attribute);
   choose_ascii_art(art, cs, term, longest_field);
 
   if(!ascii_fits_screen(term->w, *art->art, longest_field)) {
     // Despite of choosing the smallest logo, the output does not fit
     // Choose the shorter field names and recalculate the longest attr
-    attribute_fields = ATTRIBUTE_FIELDS_SHORT;
+    use_short = true;
-    longest_attribute = longest_attribute_length(art, attribute_fields);
+    longest_attribute = longest_attribute_length(art, use_short);
   }
 
-  print_ascii_riscv(art, longest_attribute, term->w, attribute_fields, cpu->ext->mask);
+  print_ascii_riscv(art, longest_attribute, term->w, use_short, cpu->ext->mask);
 
   return true;
 }

src/common/soc.c

@@ -29,6 +29,7 @@ static char* soc_trademark_string[] = {
   [SOC_VENDOR_SIFIVE]     = "SiFive ",
   [SOC_VENDOR_STARFIVE]   = "StarFive ",
   [SOC_VENDOR_SIPEED]     = "Sipeed ",
+  [SOC_VENDOR_SPACEMIT]   = "SpacemiT ",
   // ARM & RISC-V
   [SOC_VENDOR_ALLWINNER]  = "Allwinner "
 };

src/common/soc.h

@@ -33,6 +33,7 @@ enum {
   SOC_VENDOR_SIFIVE,
   SOC_VENDOR_STARFIVE,
   SOC_VENDOR_SIPEED,
+  SOC_VENDOR_SPACEMIT,
   // ARM & RISC-V
   SOC_VENDOR_ALLWINNER
 };

src/riscv/riscv.c

@@ -12,7 +12,7 @@
 #define SET_ISA_EXT_MAP(name, bit)          \
   if(strncmp(multi_letter_extension, name,  \
         multi_letter_extension_len) == 0) { \
-    ext->mask |= 1UL << bit;                \
+    ext->mask[bit] = true;                  \
     maskset = true;                         \
   }                                         \
 
@@ -62,7 +62,6 @@ int parse_multi_letter_extension(struct extensions* ext, char* e) {
   SET_ISA_EXT_MAP("zicbom",      RISCV_ISA_EXT_ZICBOM)
   SET_ISA_EXT_MAP("zihintpause", RISCV_ISA_EXT_ZIHINTPAUSE)
   SET_ISA_EXT_MAP("svnapot",     RISCV_ISA_EXT_SVNAPOT)
-  SET_ISA_EXT_MAP("zicbop",      RISCV_ISA_EXT_ZICBOP)
   SET_ISA_EXT_MAP("zicboz",      RISCV_ISA_EXT_ZICBOZ)
   SET_ISA_EXT_MAP("smaia",       RISCV_ISA_EXT_SMAIA)
   SET_ISA_EXT_MAP("ssaia",       RISCV_ISA_EXT_SSAIA)
@@ -72,6 +71,65 @@ int parse_multi_letter_extension(struct extensions* ext, char* e) {
   SET_ISA_EXT_MAP("zicsr",       RISCV_ISA_EXT_ZICSR)
   SET_ISA_EXT_MAP("zifencei",    RISCV_ISA_EXT_ZIFENCEI)
   SET_ISA_EXT_MAP("zihpm",       RISCV_ISA_EXT_ZIHPM)
+  SET_ISA_EXT_MAP("smstateen",   RISCV_ISA_EXT_SMSTATEEN)
+  SET_ISA_EXT_MAP("zicond",      RISCV_ISA_EXT_ZICOND)
+  SET_ISA_EXT_MAP("zbc",         RISCV_ISA_EXT_ZBC)
+  SET_ISA_EXT_MAP("zbkb",        RISCV_ISA_EXT_ZBKB)
+  SET_ISA_EXT_MAP("zbkc",        RISCV_ISA_EXT_ZBKC)
+  SET_ISA_EXT_MAP("zbkx",        RISCV_ISA_EXT_ZBKX)
+  SET_ISA_EXT_MAP("zknd",        RISCV_ISA_EXT_ZKND)
+  SET_ISA_EXT_MAP("zkne",        RISCV_ISA_EXT_ZKNE)
+  SET_ISA_EXT_MAP("zknh",        RISCV_ISA_EXT_ZKNH)
+  SET_ISA_EXT_MAP("zkr",         RISCV_ISA_EXT_ZKR)
+  SET_ISA_EXT_MAP("zksed",       RISCV_ISA_EXT_ZKSED)
+  SET_ISA_EXT_MAP("zksh",        RISCV_ISA_EXT_ZKSH)
+  SET_ISA_EXT_MAP("zkt",         RISCV_ISA_EXT_ZKT)
+  SET_ISA_EXT_MAP("zvbb",        RISCV_ISA_EXT_ZVBB)
+  SET_ISA_EXT_MAP("zvbc",        RISCV_ISA_EXT_ZVBC)
+  SET_ISA_EXT_MAP("zvkb",        RISCV_ISA_EXT_ZVKB)
+  SET_ISA_EXT_MAP("zvkg",        RISCV_ISA_EXT_ZVKG)
+  SET_ISA_EXT_MAP("zvkned",      RISCV_ISA_EXT_ZVKNED)
+  SET_ISA_EXT_MAP("zvknha",      RISCV_ISA_EXT_ZVKNHA)
+  SET_ISA_EXT_MAP("zvknhb",      RISCV_ISA_EXT_ZVKNHB)
+  SET_ISA_EXT_MAP("zvksed",      RISCV_ISA_EXT_ZVKSED)
+  SET_ISA_EXT_MAP("zvksh",       RISCV_ISA_EXT_ZVKSH)
+  SET_ISA_EXT_MAP("zvkt",        RISCV_ISA_EXT_ZVKT)
+  SET_ISA_EXT_MAP("zfh",         RISCV_ISA_EXT_ZFH)
+  SET_ISA_EXT_MAP("zfhmin",      RISCV_ISA_EXT_ZFHMIN)
+  SET_ISA_EXT_MAP("zihintntl",   RISCV_ISA_EXT_ZIHINTNTL)
+  SET_ISA_EXT_MAP("zvfh",        RISCV_ISA_EXT_ZVFH)
+  SET_ISA_EXT_MAP("zvfhmin",     RISCV_ISA_EXT_ZVFHMIN)
+  SET_ISA_EXT_MAP("zfa",         RISCV_ISA_EXT_ZFA)
+  SET_ISA_EXT_MAP("ztso",        RISCV_ISA_EXT_ZTSO)
+  SET_ISA_EXT_MAP("zacas",       RISCV_ISA_EXT_ZACAS)
+  SET_ISA_EXT_MAP("zve32x",      RISCV_ISA_EXT_ZVE32X)
+  SET_ISA_EXT_MAP("zve32f",      RISCV_ISA_EXT_ZVE32F)
+  SET_ISA_EXT_MAP("zve64x",      RISCV_ISA_EXT_ZVE64X)
+  SET_ISA_EXT_MAP("zve64f",      RISCV_ISA_EXT_ZVE64F)
+  SET_ISA_EXT_MAP("zve64d",      RISCV_ISA_EXT_ZVE64D)
+  SET_ISA_EXT_MAP("zimop",       RISCV_ISA_EXT_ZIMOP)
+  SET_ISA_EXT_MAP("zca",         RISCV_ISA_EXT_ZCA)
+  SET_ISA_EXT_MAP("zcb",         RISCV_ISA_EXT_ZCB)
+  SET_ISA_EXT_MAP("zcd",         RISCV_ISA_EXT_ZCD)
+  SET_ISA_EXT_MAP("zcf",         RISCV_ISA_EXT_ZCF)
+  SET_ISA_EXT_MAP("zcmop",       RISCV_ISA_EXT_ZCMOP)
+  SET_ISA_EXT_MAP("zawrs",       RISCV_ISA_EXT_ZAWRS)
+  SET_ISA_EXT_MAP("svvptc",      RISCV_ISA_EXT_SVVPTC)
+  SET_ISA_EXT_MAP("smmpm",       RISCV_ISA_EXT_SMMPM)
+  SET_ISA_EXT_MAP("smnpm",       RISCV_ISA_EXT_SMNPM)
+  SET_ISA_EXT_MAP("ssnpm",       RISCV_ISA_EXT_SSNPM)
+  SET_ISA_EXT_MAP("zabha",       RISCV_ISA_EXT_ZABHA)
+  SET_ISA_EXT_MAP("ziccrse",     RISCV_ISA_EXT_ZICCRSE)
+  SET_ISA_EXT_MAP("svade",       RISCV_ISA_EXT_SVADE)
+  SET_ISA_EXT_MAP("svadu",       RISCV_ISA_EXT_SVADU)
+  SET_ISA_EXT_MAP("zfbfmin",     RISCV_ISA_EXT_ZFBFMIN)
+  SET_ISA_EXT_MAP("zvfbfmin",    RISCV_ISA_EXT_ZVFBFMIN)
+  SET_ISA_EXT_MAP("zvfbfwma",    RISCV_ISA_EXT_ZVFBFWMA)
+  SET_ISA_EXT_MAP("zaamo",       RISCV_ISA_EXT_ZAAMO)
+  SET_ISA_EXT_MAP("zalrsc",      RISCV_ISA_EXT_ZALRSC)
+  SET_ISA_EXT_MAP("zicbop",      RISCV_ISA_EXT_ZICBOP)
+  SET_ISA_EXT_MAP("ime",         RISCV_ISA_EXT_IME)
+
   if(!maskset) {
     printBug("parse_multi_letter_extension: Unknown multi-letter extension: %s", multi_letter_extension);
     return -1;
@@ -94,19 +152,21 @@ bool valid_extension(char ext) {
 
 struct extensions* get_extensions_from_str(char* str) {
   struct extensions* ext = emalloc(sizeof(struct extensions));
-  ext->mask = 0;
+  ext->mask = ecalloc(RISCV_ISA_EXT_ID_MAX, sizeof(bool));
   ext->str = NULL;
 
   if(str == NULL) {
     return ext;
   }
 
-  int len = strlen(str);
+  int len = strlen(str)+1;
-  ext->str = ecalloc(len+1, sizeof(char));
+  ext->str = emalloc(len * sizeof(char));
   strncpy(ext->str, str, sizeof(char) * len);
 
   // Code inspired in Linux kernel (riscv_fill_hwcap):
   // https://elixir.bootlin.com/linux/v6.2.10/source/arch/riscv/kernel/cpufeature.c
+  // Now it seems to be here in riscv_parse_isa_string:
+  // https://elixir.bootlin.com/linux/v6.16/source/arch/riscv/kernel/cpufeature.c
   char* isa = str;
   if (!strncmp(isa, "rv32", 4))
     isa += 4;
@@ -138,7 +198,7 @@ struct extensions* get_extensions_from_str(char* str) {
       // adding it to the mask
       if(valid_extension(*e)) {
         int n = *e - 'a';
-        ext->mask |= 1UL << n;
+        ext->mask[n] = true;
       }
       else {
         printBug("get_extensions_from_str: Invalid extension: '%c'", *e);
@@ -149,6 +209,18 @@ struct extensions* get_extensions_from_str(char* str) {
   return ext;
 }
 
+uint32_t get_num_extensions(bool* mask) {
+  uint32_t num = 0;
+  for (int i=0; i < RISCV_ISA_EXT_ID_MAX; i++) {
+    if (mask[i]) num++;
+  }
+  return num;
+}
+
+bool is_mask_empty(bool* mask) {
+  return get_num_extensions(mask) == 0;
+}
+
 struct cpuInfo* get_cpu_info(void) {
   struct cpuInfo* cpu = malloc(sizeof(struct cpuInfo));
   //init_cpu_info(cpu);
@@ -157,13 +229,12 @@ struct cpuInfo* get_cpu_info(void) {
   topo->cach = NULL;
   cpu->topo = topo;
 
-  char* cpuinfo_str = get_uarch_from_cpuinfo();
   char* ext_str = get_extensions_from_cpuinfo();
   cpu->hv = emalloc(sizeof(struct hypervisor));
   cpu->hv->present = false;
   cpu->ext = get_extensions_from_str(ext_str);
-  if(cpu->ext->str != NULL && cpu->ext->mask == 0) return NULL;
+  if(cpu->ext->str != NULL && is_mask_empty(cpu->ext->mask)) return NULL;
-  cpu->arch = get_uarch_from_cpuinfo_str(cpuinfo_str, cpu);
+  cpu->arch = get_uarch(cpu);
   cpu->soc = get_soc(cpu);
   cpu->freq = get_frequency_info(0);
   cpu->peak_performance = get_peak_performance(cpu);

src/riscv/riscv.h

@@ -23,7 +23,6 @@ enum riscv_isa_ext_id {
   RISCV_ISA_EXT_ZICBOM,
   RISCV_ISA_EXT_ZIHINTPAUSE,
   RISCV_ISA_EXT_SVNAPOT,
-  RISCV_ISA_EXT_ZICBOP,
   RISCV_ISA_EXT_ZICBOZ,
   RISCV_ISA_EXT_SMAIA,
   RISCV_ISA_EXT_SSAIA,
@@ -33,12 +32,74 @@ enum riscv_isa_ext_id {
   RISCV_ISA_EXT_ZICSR,
   RISCV_ISA_EXT_ZIFENCEI,
   RISCV_ISA_EXT_ZIHPM,
+  RISCV_ISA_EXT_SMSTATEEN,
+  RISCV_ISA_EXT_ZICOND,
+  RISCV_ISA_EXT_ZBC,
+  RISCV_ISA_EXT_ZBKB,
+  RISCV_ISA_EXT_ZBKC,
+  RISCV_ISA_EXT_ZBKX,
+  RISCV_ISA_EXT_ZKND,
+  RISCV_ISA_EXT_ZKNE,
+  RISCV_ISA_EXT_ZKNH,
+  RISCV_ISA_EXT_ZKR,
+  RISCV_ISA_EXT_ZKSED,
+  RISCV_ISA_EXT_ZKSH,
+  RISCV_ISA_EXT_ZKT,
+  RISCV_ISA_EXT_ZVBB,
+  RISCV_ISA_EXT_ZVBC,
+  RISCV_ISA_EXT_ZVKB,
+  RISCV_ISA_EXT_ZVKG,
+  RISCV_ISA_EXT_ZVKNED,
+  RISCV_ISA_EXT_ZVKNHA,
+  RISCV_ISA_EXT_ZVKNHB,
+  RISCV_ISA_EXT_ZVKSED,
+  RISCV_ISA_EXT_ZVKSH,
+  RISCV_ISA_EXT_ZVKT,
+  RISCV_ISA_EXT_ZFH,
+  RISCV_ISA_EXT_ZFHMIN,
+  RISCV_ISA_EXT_ZIHINTNTL,
+  RISCV_ISA_EXT_ZVFH,
+  RISCV_ISA_EXT_ZVFHMIN,
+  RISCV_ISA_EXT_ZFA,
+  RISCV_ISA_EXT_ZTSO,
+  RISCV_ISA_EXT_ZACAS,
+  RISCV_ISA_EXT_ZVE32X,
+  RISCV_ISA_EXT_ZVE32F,
+  RISCV_ISA_EXT_ZVE64X,
+  RISCV_ISA_EXT_ZVE64F,
+  RISCV_ISA_EXT_ZVE64D,
+  RISCV_ISA_EXT_ZIMOP,
+  RISCV_ISA_EXT_ZCA,
+  RISCV_ISA_EXT_ZCB,
+  RISCV_ISA_EXT_ZCD,
+  RISCV_ISA_EXT_ZCF,
+  RISCV_ISA_EXT_ZCMOP,
+  RISCV_ISA_EXT_ZAWRS,
+  RISCV_ISA_EXT_SVVPTC,
+  RISCV_ISA_EXT_SMMPM,
+  RISCV_ISA_EXT_SMNPM,
+  RISCV_ISA_EXT_SSNPM,
+  RISCV_ISA_EXT_ZABHA,
+  RISCV_ISA_EXT_ZICCRSE,
+  RISCV_ISA_EXT_SVADE,
+  RISCV_ISA_EXT_SVADU,
+  RISCV_ISA_EXT_ZFBFMIN,
+  RISCV_ISA_EXT_ZVFBFMIN,
+  RISCV_ISA_EXT_ZVFBFWMA,
+  RISCV_ISA_EXT_ZAAMO,
+  RISCV_ISA_EXT_ZALRSC,
+  RISCV_ISA_EXT_ZICBOP,
+  RISCV_ISA_EXT_IME,      // This is not in the kernel! but it was seen on a Muse Pi Pro board
   RISCV_ISA_EXT_ID_MAX
 };
 
 // https://five-embeddev.com/riscv-isa-manual/latest/preface.html#preface
 // https://en.wikichip.org/wiki/risc-v/standard_extensions
 // (Zicbop) https://github.com/riscv/riscv-CMOs/blob/master/cmobase/Zicbop.adoc
+// https://raw.githubusercontent.com/riscv/riscv-CMOs/master/specifications/cmobase-v1.0.1.pdf
+// https://www.kernel.org/doc/Documentation/devicetree/bindings/riscv/extensions.yaml
+// https://gcc.gnu.org/onlinedocs/gcc/RISC-V-Options.html
+// (Ime) https://github.com/riscv/integrated-matrix-extension (not confirmed, just a guess...)
 // Included all except for G
 static const struct extension extension_list[] = {
   { 'i' - 'a', "(I) Integer Instruction Set" },
@@ -74,12 +135,71 @@ static const struct extension extension_list[] = {
   { RISCV_ISA_EXT_ZICNTR,      "(Zicntr) Base Counters and Timers" },
   { RISCV_ISA_EXT_ZICSR,       "(Zicsr) Control and Status Register" },
   { RISCV_ISA_EXT_ZIFENCEI,    "(Zifencei) Instruction-Fetch Fence" },
-  { RISCV_ISA_EXT_ZIHPM,       "(Zihpm) Hardware Performance Counters" }
+  { RISCV_ISA_EXT_ZIHPM,       "(Zihpm) Hardware Performance Counters" },
+  { RISCV_ISA_EXT_SMSTATEEN,   "(Smstateen) Supervisor/Hypervisor State Enable" },
+  { RISCV_ISA_EXT_ZICOND,      "(Zicond) Integer Conditional Operations" },
+  { RISCV_ISA_EXT_ZBC,         "(Zbc) Carry-Less Multiplication" },
+  { RISCV_ISA_EXT_ZBKB,        "(Zbkb) Bit-Manipulation for Cryptography (Byte ops)" },
+  { RISCV_ISA_EXT_ZBKC,        "(Zbkc) Bit-Manipulation for Cryptography (Carry-less ops)" },
+  { RISCV_ISA_EXT_ZBKX,        "(Zbkx) Bit-Manipulation for Cryptography (Crossbar ops)" },
+  { RISCV_ISA_EXT_ZKND,        "(Zknd) NIST AES Decryption Instructions" },
+  { RISCV_ISA_EXT_ZKNE,        "(Zkne) NIST AES Encryption Instructions" },
+  { RISCV_ISA_EXT_ZKNH,        "(Zknh) NIST Hash (SHA-2/SHA-3) Instructions" },
+  { RISCV_ISA_EXT_ZKR,         "(Zkr) Entropy Source Reading (Random)" },
+  { RISCV_ISA_EXT_ZKSED,       "(Zksed) SM4 Block Cipher Decryption" },
+  { RISCV_ISA_EXT_ZKSH,        "(Zksh) SM3 Hash Instructions" },
+  { RISCV_ISA_EXT_ZKT,         "(Zkt) Data-Independent Execution Latency" },
+  { RISCV_ISA_EXT_ZVBB,        "(Zvbb) Vector Basic Bit-Manipulation" },
+  { RISCV_ISA_EXT_ZVBC,        "(Zvbc) Vector Carry-Less Multiplication" },
+  { RISCV_ISA_EXT_ZVKB,        "(Zvkb) Vector Cryptography (Byte ops)" },
+  { RISCV_ISA_EXT_ZVKG,        "(Zvkg) Vector GCM/GMAC Instructions" },
+  { RISCV_ISA_EXT_ZVKNED,      "(Zvkned) Vector AES Decryption" },
+  { RISCV_ISA_EXT_ZVKNHA,      "(Zvknha) Vector SHA-2 Hash (A variant)" },
+  { RISCV_ISA_EXT_ZVKNHB,      "(Zvknhb) Vector SHA-2 Hash (B variant)" },
+  { RISCV_ISA_EXT_ZVKSED,      "(Zvksed) Vector SM4 Block Cipher Decryption" },
+  { RISCV_ISA_EXT_ZVKSH,       "(Zvksh) Vector SM3 Hash Instructions" },
+  { RISCV_ISA_EXT_ZVKT,        "(Zvkt) Vector Data-Independent Execution Latency" },
+  { RISCV_ISA_EXT_ZFH,         "(Zfh) Half-Precision Floating Point" },
+  { RISCV_ISA_EXT_ZFHMIN,      "(Zfhmin) Minimal Half-Precision Floating Point" },
+  { RISCV_ISA_EXT_ZIHINTNTL,   "(Zihintntl) Non-Temporal Load/Store Hints" },
+  { RISCV_ISA_EXT_ZVFH,        "(Zvfh) Vector Half-Precision Floating Point" },
+  { RISCV_ISA_EXT_ZVFHMIN,     "(Zvfhmin) Minimal Vector Half-Precision Floating Point" },
+  { RISCV_ISA_EXT_ZFA,         "(Zfa) Additional Floating-Point Instructions" },
+  { RISCV_ISA_EXT_ZTSO,        "(Ztso) Total Store Ordering Memory Model" },
+  { RISCV_ISA_EXT_ZACAS,       "(Zacas) Atomic Compare-and-Swap" },
+  { RISCV_ISA_EXT_ZVE32X,      "(Zve32x) Embedded Vector Integer (32-bit elements)" },
+  { RISCV_ISA_EXT_ZVE32F,      "(Zve32f) Embedded Vector Floating Point (f32)" },
+  { RISCV_ISA_EXT_ZVE64X,      "(Zve64x) Embedded Vector Integer (64-bit elements)" },
+  { RISCV_ISA_EXT_ZVE64F,      "(Zve64f) Embedded Vector Floating Point (f64)" },
+  { RISCV_ISA_EXT_ZVE64D,      "(Zve64d) Embedded Vector Double-Precision FP (f64)" },
+  { RISCV_ISA_EXT_ZIMOP,       "(Zimop) Integer Multiply-Only Instructions" },
+  { RISCV_ISA_EXT_ZCA,         "(Zca) Compressed Integer Instructions" },
+  { RISCV_ISA_EXT_ZCB,         "(Zcb) Compressed Bit-Manipulation Instructions" },
+  { RISCV_ISA_EXT_ZCD,         "(Zcd) Compressed Double-Precision FP Instructions" },
+  { RISCV_ISA_EXT_ZCF,         "(Zcf) Compressed Single-Precision FP Instructions" },
+  { RISCV_ISA_EXT_ZCMOP,       "(Zcmop) Compressed Multiply-Only Instructions" },
+  { RISCV_ISA_EXT_ZAWRS,       "(Zawrs) Wait-on-Reservation-Set Instruction" },
+  { RISCV_ISA_EXT_SVVPTC,      "(Svvptc) Supervisor Virtual Page Table Cache Control" },
+  { RISCV_ISA_EXT_SMMPM,       "(Smmpm) Supervisor Memory Protection Modification" },
+  { RISCV_ISA_EXT_SMNPM,       "(Smnpm) Supervisor Non-Privileged Memory Access Control" },
+  { RISCV_ISA_EXT_SSNPM,       "(Ssnpm) Supervisor Secure Non-Privileged Memory" },
+  { RISCV_ISA_EXT_ZABHA,       "(Zabha) Atomic Byte/Halfword Operations" },
+  { RISCV_ISA_EXT_ZICCRSE,     "(Ziccrse) Cache Control Range Start/End Operations" },
+  { RISCV_ISA_EXT_SVADE,       "(Svade) Supervisor Virtual Address Deferred Exception" },
+  { RISCV_ISA_EXT_SVADU,       "(Svadu) Supervisor Virtual Address Dirty Update" },
+  { RISCV_ISA_EXT_ZFBFMIN,     "(Zfbfmin) Minimal BFloat16 Floating Point" },
+  { RISCV_ISA_EXT_ZVFBFMIN,    "(Zvfbfmin) Vector Minimal BFloat16 Floating Point" },
+  { RISCV_ISA_EXT_ZVFBFWMA,    "(Zvfbfwma) Vector BFloat16 Widening Multiply-Accumulate" },
+  { RISCV_ISA_EXT_ZAAMO,       "(Zaamo) Atomic Memory Operation (AMO) Instructions" },
+  { RISCV_ISA_EXT_ZALRSC,      "(Zalrsc) Atomic Load-Reserved/Store-Conditional" },
+  { RISCV_ISA_EXT_ZICBOP,      "(Zicbop) Cache Block Prefetch/Zero Operations" },
+  { RISCV_ISA_EXT_IME,         "(Ime) Integrated Matrix Extension" },
 };
 
 struct cpuInfo* get_cpu_info(void);
 char* get_str_topology(struct cpuInfo* cpu, struct topology* topo);
 char* get_str_extensions(struct cpuInfo* cpu);
+uint32_t get_num_extensions(bool* mask);
 void print_debug(struct cpuInfo* cpu);
 
 #endif

src/riscv/soc.c

@@ -38,6 +38,12 @@ bool match_sipeed(char* soc_name, struct system_on_chip* soc) {
   SOC_END
 }
 
+bool match_spacemit(char* soc_name, struct system_on_chip* soc) {
+  SOC_START
+  SOC_EQ(soc_name, "k1-x", "K1-X", SOC_SPACEMIT_K1X, soc, 22) // https://github.com/Dr-Noob/cpufetch/issues/286 https://www.spacemit.com/en/spacemit-x60-core/
+  SOC_END
+}
+
 struct system_on_chip* parse_soc_from_string(struct system_on_chip* soc) {
   char* raw_name = soc->raw_name;
 
@@ -50,6 +56,9 @@ struct system_on_chip* parse_soc_from_string(struct system_on_chip* soc) {
   if(match_sifive(raw_name, soc))
     return soc;
 
+  if(match_spacemit(raw_name, soc))
+    return soc;
+
   match_sipeed(raw_name, soc);
   return soc;
 }

src/riscv/socs.h

@@ -13,6 +13,8 @@ enum {
   SOC_ALLWINNER_D1H,
   // SIPEED
   SOC_SIPEED_LICHEEPI4A,
+  // SPACEMIT
+  SOC_SPACEMIT_K1X,
   // UNKNOWN
   SOC_MODEL_UNKNOWN
 };
@@ -22,6 +24,7 @@ inline static VENDOR get_soc_vendor_from_soc(SOC soc) {
   if(soc >= SOC_STARFIVE_VF2 && soc <= SOC_STARFIVE_VF2) return SOC_VENDOR_STARFIVE;
   if(soc >= SOC_ALLWINNER_D1H && soc <= SOC_ALLWINNER_D1H) return SOC_VENDOR_ALLWINNER;
   if(soc >= SOC_SIPEED_LICHEEPI4A && soc <= SOC_SIPEED_LICHEEPI4A) return SOC_VENDOR_SIPEED;
+  if(soc >= SOC_SPACEMIT_K1X && soc <= SOC_SPACEMIT_K1X) return SOC_VENDOR_SPACEMIT;
   return SOC_VENDOR_UNKNOWN;
 }
 

src/riscv/uarch.c

@@ -4,6 +4,7 @@
 #include <string.h>
 
 #include "uarch.h"
+#include "udev.h"
 #include "../common/global.h"
 
 typedef uint32_t MICROARCH;
@@ -12,6 +13,7 @@ struct uarch {
   MICROARCH uarch;
   char* uarch_str;
   char* cpuinfo_str;
+  struct riscv_cpuinfo* ci;
 };
 
 enum {
@@ -21,13 +23,20 @@ enum {
   UARCH_U74,
   // THEAD
   UARCH_C906,
-  UARCH_C910
+  UARCH_C910,
+  // SPACEMIT
+  UARCH_X60
 };
 
 #define UARCH_START if (false) {}
 #define CHECK_UARCH(arch, cpu, cpuinfo_str, uarch_str, str, uarch, vendor) \
    else if (strcmp(cpuinfo_str, uarch_str) == 0) fill_uarch(arch, cpu, str, uarch, vendor);
-#define UARCH_END else { printBug("Unknown microarchitecture detected: uarch='%s'", cpuinfo_str); fill_uarch(arch, cpu, "Unknown", UARCH_UNKNOWN, CPU_VENDOR_UNKNOWN); }
+#define UARCH_END else { printWarn("Unknown microarchitecture detected: uarch='%s'", cpuinfo_str); fill_uarch(arch, cpu, "Unknown", UARCH_UNKNOWN, CPU_VENDOR_UNKNOWN); }
+
+#define ARCHID_START if (false) {}
+#define CHECK_ARCHID(arch, marchid_val, str, uarch, vendor) \
+  else if (arch->ci->marchid == (unsigned long) marchid_val) fill_uarch(arch, cpu, str, uarch, vendor);
+#define ARCHID_END else { printWarn("Unknown microarchitecture detected: marchid=0x%.8X", arch->ci->marchid); fill_uarch(arch, cpu, "Unknown", UARCH_UNKNOWN, CPU_VENDOR_UNKNOWN); }
 
 void fill_uarch(struct uarch* arch, struct cpuInfo* cpu, char* str, MICROARCH u, VENDOR vendor) {
   arch->uarch = u;
@@ -39,14 +48,8 @@ void fill_uarch(struct uarch* arch, struct cpuInfo* cpu, char* str, MICROARCH u,
 // https://elixir.bootlin.com/linux/latest/source/Documentation/devicetree/bindings/riscv/cpus.yaml
 // SiFive: https://www.sifive.com/risc-v-core-ip
 // T-Head: https://www.t-head.cn/product/c906
-struct uarch* get_uarch_from_cpuinfo_str(char* cpuinfo_str, struct cpuInfo* cpu) {
+struct uarch* get_uarch_from_cpuinfo_str(char* cpuinfo_str, struct cpuInfo* cpu, struct uarch* arch) {
-  struct uarch* arch = emalloc(sizeof(struct uarch));
   arch->cpuinfo_str = cpuinfo_str;
-  if(cpuinfo_str == NULL) {
-    printWarn("get_uarch_from_cpuinfo: Unable to detect microarchitecture, cpuinfo_str is NULL");
-    fill_uarch(arch, cpu, "Unknown", UARCH_UNKNOWN, CPU_VENDOR_UNKNOWN);
-    return arch;
-  }
 
   // U74/U74-MC:
   // SiFive says that U74-MC is "Multicore: four U74 cores and one S76 core" while
@@ -70,6 +73,41 @@ struct uarch* get_uarch_from_cpuinfo_str(char* cpuinfo_str, struct cpuInfo* cpu)
   return arch;
 }
 
+// Use marchid to get the microarchitecture
+struct uarch* get_uarch_from_riscv_cpuinfo(struct cpuInfo* cpu, struct uarch* arch) {
+
+  ARCHID_START
+  CHECK_ARCHID(arch, 0x8000000058000001, "X60", UARCH_X60, CPU_VENDOR_SPACEMIT) // https://github.com/Dr-Noob/cpufetch/issues/286
+  ARCHID_END
+
+  return arch;
+}
+
+struct uarch* get_uarch(struct cpuInfo* cpu) {
+  char* cpuinfo_str = get_uarch_from_cpuinfo();
+  struct uarch* arch = emalloc(sizeof(struct uarch));
+  arch->uarch = UARCH_UNKNOWN;
+  arch->ci = NULL;
+
+  if (cpuinfo_str == NULL) {
+    printWarn("get_uarch_from_cpuinfo: Unable to detect microarchitecture using uarch: cpuinfo_str is NULL");
+    arch->ci = get_riscv_cpuinfo();
+
+    if (arch->ci == NULL || arch->ci->marchid == 0)
+      printWarn("get_riscv_cpuinfo: Unable to get marchid from udev");
+    else
+      arch = get_uarch_from_riscv_cpuinfo(cpu, arch);
+  }
+  else {
+    arch = get_uarch_from_cpuinfo_str(cpuinfo_str, cpu, arch);
+  }
+
+  if (arch->uarch == UARCH_UNKNOWN)
+    fill_uarch(arch, cpu, "Unknown", UARCH_UNKNOWN, CPU_VENDOR_UNKNOWN);
+
+  return arch;
+}
+
 char* get_str_uarch(struct cpuInfo* cpu) {
   return cpu->arch->uarch_str;
 }

src/riscv/uarch.h

@@ -9,6 +9,6 @@ struct uarch;
 char* get_arch_cpuinfo_str(struct cpuInfo* cpu);
 char* get_str_uarch(struct cpuInfo* cpu);
 void free_uarch_struct(struct uarch* arch);
-struct uarch* get_uarch_from_cpuinfo_str(char* cpuinfo_str, struct cpuInfo* cpu);
+struct uarch* get_uarch(struct cpuInfo* cpu);
 
 #endif

src/riscv/udev.c

@@ -7,6 +7,9 @@
 #define _PATH_DEVTREE          "/proc/device-tree/compatible"
 #define CPUINFO_UARCH_STR      "uarch\t\t: "
 #define CPUINFO_EXTENSIONS_STR "isa\t\t: "
+#define CPUINFO_RISCV_MVENDORID "mvendorid\t:"
+#define CPUINFO_RISCV_MARCHID   "marchid\t\t:"
+#define CPUINFO_RISCV_MIMPID    "mimpid\t\t:"
 #define DEVTREE_HARDWARE_FIELD 0
 
 char* get_field_from_devtree(int DEVTREE_FIELD) {
@@ -75,6 +78,52 @@ char* parse_cpuinfo_field(char* field_str) {
   return ret;
 }
 
+unsigned long parse_cpuinfo_field_uint64(char* field_str) {
+  int filelen;
+  char* buf;
+  if((buf = read_file(_PATH_CPUINFO, &filelen)) == NULL) {
+    printWarn("read_file: %s: %s", _PATH_CPUINFO, strerror(errno));
+    return 0;
+  }
+
+  char* tmp = strstr(buf, field_str);
+  if(tmp == NULL) return 0;
+  tmp += strlen(field_str);
+
+  char* end;
+  errno = 0;
+  unsigned long ret = strtoul(tmp, &end, 16);
+  if (errno != 0) {
+    printWarn("strtoul: %s: %s", strerror(errno), tmp);
+    return 0;
+  }
+
+  return ret;
+}
+
+// Creates and fills in the riscv_cpuinfo struct (which contains
+// mvendorid, marchid and mimpid) using cpuinfo to fetch the values.
+//
+// Every RISC-V hart (hardware thread) [1] provides a
+// marchid (Machine Architecture ID register) CSR that encodes its
+// base microarchitecture [2]. For more information about
+// marchid and the rest of values, see [3].
+// [1] https://groups.google.com/a/groups.riscv.org/g/sw-dev/c/QKjUDjz_vKo
+// [2] https://github.com/riscv/riscv-isa-manual/blob/main/marchid.md
+// [3] https://five-embeddev.com/riscv-priv-isa-manual/Priv-v1.12/machine.html#machine-architecture-id-register-marchid
+struct riscv_cpuinfo *get_riscv_cpuinfo(void) {
+  struct riscv_cpuinfo* ci = emalloc(sizeof(struct riscv_cpuinfo));
+
+  ci->mvendorid = parse_cpuinfo_field_uint64(CPUINFO_RISCV_MVENDORID);
+  ci->marchid = parse_cpuinfo_field_uint64(CPUINFO_RISCV_MARCHID);
+  ci->mimpid = parse_cpuinfo_field_uint64(CPUINFO_RISCV_MIMPID);
+
+  if (ci->mvendorid == 0 && ci->mvendorid == 0 && ci->mvendorid == 0)
+    return NULL;
+
+  return ci;
+}
+
 char* get_hardware_from_devtree(void) {
   return get_field_from_devtree(DEVTREE_HARDWARE_FIELD);
 }

src/riscv/udev.h

@@ -5,8 +5,16 @@
 
 #define UNKNOWN -1
 
+// https://elixir.bootlin.com/linux/v6.10.6/source/arch/riscv/include/asm/cpufeature.h#L21
+struct riscv_cpuinfo {
+  unsigned long mvendorid;
+  unsigned long marchid;
+  unsigned long mimpid;
+};
+
 char* get_hardware_from_devtree(void);
 char* get_uarch_from_cpuinfo(void);
 char* get_extensions_from_cpuinfo(void);
+struct riscv_cpuinfo *get_riscv_cpuinfo(void);
 
 #endif

src/x86/cpuid.c

@@ -333,6 +333,15 @@ struct features* get_features_info(struct cpuInfo* cpu) {
     bool hv_present = (ecx & (1U << 31)) != 0;
     if((cpu->hv = get_hp_info(hv_present)) == NULL)
       return NULL;
+    if(cpu->hv->present) {
+      // Hypervisor will likely mess up something and users will think that
+      // there is something wrong with cpufetch whereas actually cpufetch has
+      // nothing to do with it.
+      // https://github.com/Dr-Noob/cpufetch/issues/96
+      // https://github.com/Dr-Noob/cpufetch/issues/267
+      // https://github.com/Dr-Noob/cpufetch/issues/293
+      printWarn("You are running an hypervisor. Please note that it will likely tamper your results, so do not post an issue if you find anything incorrect");
+    }
   }
   else {
     printWarn("Can't read features information from cpuid (needed level is 0x%.8X, max is 0x%.8X)", 0x00000001, cpu->maxLevels);

src/x86/uarch.c

@@ -255,7 +255,7 @@ struct uarch* get_uarch_from_cpuid_intel(uint32_t ef, uint32_t f, uint32_t em, u
   // CHECK_UARCH(arch, 0,  6,  8, 14,  9, ...) It is not possible to determine uarch only from CPUID dump (can be Kaby Lake or Amber Lake)
   // CHECK_UARCH(arch, 0,  6,  8, 14, 10, ...) It is not possible to determine uarch only from CPUID dump (can be Kaby Lake R or Coffee Lake U)
   CHECK_UARCH(arch, 0,  6,  8, 14, 11, "Whiskey Lake",      UARCH_WHISKEY_LAKE,     14) // wikichip
-  CHECK_UARCH(arch, 0,  6,  8, 14, 12, "Comet Lake",        UARCH_COMET_LAKE,       14) // wikichip
+  // CHECK_UARCH(arch, 0,  6,  8, 14, 12, ...) It is not possible to determine uarch only from CPUID dump (can be Comet Lake U or Whiskey Lake U)
   CHECK_UARCH(arch, 0,  6,  8, 15,  8, "Sapphire Rapids",   UARCH_SAPPHIRE_RAPIDS,   7) // wikichip
   CHECK_UARCH(arch, 0,  6,  9,  6, NA, "Tremont",           UARCH_TREMONT,          10) // LX*
   CHECK_UARCH(arch, 0,  6,  9,  7, NA, "Alder Lake",        UARCH_ALDER_LAKE,       10) // instlatx64 (Alder Lake-S)
@@ -447,6 +447,7 @@ struct uarch* get_uarch_from_cpuid_hygon(uint32_t ef, uint32_t f, uint32_t em, u
 struct uarch* get_uarch_from_cpuid(struct cpuInfo* cpu, uint32_t dump, uint32_t ef, uint32_t f, uint32_t em, uint32_t m, int s) {
   if(cpu->cpu_vendor == CPU_VENDOR_INTEL) {
     struct uarch* arch = emalloc(sizeof(struct uarch));
+    // TODO: Refactor these 3 checks in a common function.
     if(dump == 0x000806E9) {
       if (cpu->cpu_name == NULL) {
         printErr("Unable to find uarch without CPU name");
@@ -486,6 +487,30 @@ struct uarch* get_uarch_from_cpuid(struct cpuInfo* cpu, uint32_t dump, uint32_t
 
       return arch;
     }
+    else if (dump == 0x000806EC) {
+      if (cpu->cpu_name == NULL) {
+        printErr("Unable to find uarch without CPU name");
+        fill_uarch(arch, STRING_UNKNOWN, UARCH_UNKNOWN, UNK);
+        return arch;
+      }
+
+      // It is not possible to determine uarch only from CPUID dump (can be Comet Lake U or Whiskey Lake U)
+      // https://github.com/Dr-Noob/cpufetch/issues/298
+      if (strstr(cpu->cpu_name, "i3-8145U") != NULL ||
+          strstr(cpu->cpu_name, "i5-8265U") != NULL ||
+          strstr(cpu->cpu_name, "i5-8365U") != NULL ||
+          strstr(cpu->cpu_name, "i7-8565U") != NULL ||
+          strstr(cpu->cpu_name, "i7-8665U") != NULL ||
+          strstr(cpu->cpu_name, "5405U")    != NULL ||
+          strstr(cpu->cpu_name, "4205U")    != NULL) {
+        fill_uarch(arch, "Whiskey Lake", UARCH_WHISKEY_LAKE, 14);
+      }
+      else {
+        fill_uarch(arch, "Comet Lake", UARCH_COMET_LAKE, 14);
+      }
+
+      return arch;
+    }
     return get_uarch_from_cpuid_intel(ef, f, em, m, s);
   }
   else if(cpu->cpu_vendor == CPU_VENDOR_AMD) {