E2K: added initial support of MCST Elbrus 2000 CPU architecture

E2K (Elbrus 2000) - this is VLIW/EPIC architecture, like Intel Itanium (IA-64) architecture.

Ref: https://en.wikipedia.org/wiki/Elbrus_2000

3 files changed, 463 insertions, 0 deletions

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2752b962..5df0fe07 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -49,6 +49,8 @@ elseif(${CMAKE_HOST_SYSTEM_PROCESSOR} MATCHES "sh[3-5]")
 	set(HARDINFO_ARCH "sh")
 elseif(${CMAKE_HOST_SYSTEM_PROCESSOR} MATCHES "(riscv|riscv32|riscv64)")
 	set(HARDINFO_ARCH "riscv")
+elseif(${CMAKE_HOST_SYSTEM_PROCESSOR} MATCHES "e2k")
+        set(HARDINFO_ARCH "e2k")
 else()
 	message(FATAL_ERROR "Unsupported architecture: ${CMAKE_HOST_SYSTEM_PROCESSOR}")
 endif()
diff --git a/includes/e2k/processor-platform.h b/includes/e2k/processor-platform.h
new file mode 100644
index 00000000..a252485f
--- /dev/null
+++ b/includes/e2k/processor-platform.h
@@ -0,0 +1,74 @@
+/*
+ *    HardInfo - Displays System Information
+ *    Copyright (C) 2003-2006 Leandro A. F. Pereira <leandro@hardinfo.org>
+ *
+ *    This program is free software; you can redistribute it and/or modify
+ *    it under the terms of the GNU General Public License as published by
+ *    the Free Software Foundation, version 2.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *    GNU General Public License for more details.
+ *
+ *    You should have received a copy of the GNU General Public License
+ *    along with this program; if not, write to the Free Software
+ *    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+#ifndef __PROCESSOR_PLATFORM_H__
+#define __PROCESSOR_PLATFORM_H__
+
+#include "cpu_util.h"
+
+/*
+
+E2K /proc/cpuinfo:
+
+
+processor	: 0
+vendor_id	: E8C-SWTX
+cpu family	: 4
+model		: 7
+model name	: E8C
+revision	: 2
+cpu MHz		: 1299.912740
+cache0          : level=1 type=Instruction scope=Private size=128K line_size=256 associativity=4
+cache1          : level=1 type=Data scope=Private size=64K line_size=32 associativity=4
+cache2          : level=2 type=Unified scope=Private size=512K line_size=64 associativity=4
+cache3          : level=3 type=Unified scope=Private size=16384K line_size=64 associativity=16
+bogomips	: 2600.68
+
+*/
+
+
+typedef struct _ProcessorCache ProcessorCache;
+
+struct _ProcessorCache {
+    gint level;
+    gint number_of_sets;
+    gint physical_line_partition;
+    gint size;
+    gchar *type;
+    gint ways_of_associativity;
+    gint uid; /* uid is unique among caches with the same (type, level) */
+    gchar *shared_cpu_list; /* some kernel's don't give a uid, so try shared_cpu_list */
+    gint phy_sock;
+};
+
+
+
+//e2k processor structure
+struct _Processor {
+    gint id;
+    gfloat cpu_mhz;
+    gchar *model_name;
+    gchar *vendor_id;
+    gfloat bogomips;
+
+    gint model, family, revision;
+
+    GSList *cache;
+};
+
+#endif	/* __PROCESSOR_PLATFORM_H__ */
diff --git a/modules/devices/e2k/processor.c b/modules/devices/e2k/processor.c
new file mode 100644
index 00000000..d38eeff7
--- /dev/null
+++ b/modules/devices/e2k/processor.c
@@ -0,0 +1,387 @@
+/*
+ *    HardInfo - Displays System Information
+ *    Copyright (C) 2003-2006 Leandro A. F. Pereira <leandro@hardinfo.org>
+ *
+ *    This program is free software; you can redistribute it and/or modify
+ *    it under the terms of the GNU General Public License as published by
+ *    the Free Software Foundation, version 2.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *    GNU General Public License for more details.
+ *
+ *    You should have received a copy of the GNU General Public License
+ *    along with this program; if not, write to the Free Software
+ *    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+#include "hardinfo.h"
+#include "devices.h"
+#include "cpu_util.h"
+
+static gchar *__cache_get_info_as_string(Processor *processor)
+{
+    gchar *result = g_strdup("");
+    GSList *cache_list;
+    ProcessorCache *cache;
+
+    if (!processor->cache) {
+        return g_strdup(_("Cache information not available=\n"));
+    }
+
+    for (cache_list = processor->cache; cache_list; cache_list = cache_list->next) {
+        cache = (ProcessorCache *)cache_list->data;
+
+        result = h_strdup_cprintf(_("Level %d (%s)=%d-way set-associative, %d sets, %dKB size\n"),
+                                  result,
+                                  cache->level,
+                                  C_("cache-type", cache->type),
+                                  cache->ways_of_associativity,
+                                  cache->number_of_sets,
+                                  cache->size);
+    }
+
+    return result;
+}
+
+/* This is not used directly, but creates translatable strings for
+ * the type string returned from /sys/.../cache */
+static const char* cache_types[] = {
+    NC_("cache-type", /*/cache type, as appears in: Level 1 (Data)*/ "Data"),
+    NC_("cache-type", /*/cache type, as appears in: Level 1 (Instruction)*/ "Instruction"),
+    NC_("cache-type", /*/cache type, as appears in: Level 2 (Unified)*/ "Unified")
+};
+
+static void __cache_obtain_info(Processor *processor)
+{
+    ProcessorCache *cache;
+    gchar *endpoint, *entry, *index;
+    gchar *uref = NULL;
+    gint i;
+    gint processor_number = processor->id;
+
+    endpoint = g_strdup_printf("/sys/devices/system/cpu/cpu%d/cache", processor_number);
+
+    for (i = 0; ; i++) {
+      cache = g_new0(ProcessorCache, 1);
+
+      index = g_strdup_printf("index%d/", i);
+
+      entry = g_strconcat(index, "type", NULL);
+      cache->type = h_sysfs_read_string(endpoint, entry);
+      g_free(entry);
+
+      if (!cache->type) {
+        g_free(cache);
+        g_free(index);
+        goto fail;
+      }
+
+      entry = g_strconcat(index, "level", NULL);
+      cache->level = h_sysfs_read_int(endpoint, entry);
+      g_free(entry);
+
+      entry = g_strconcat(index, "number_of_sets", NULL);
+      cache->number_of_sets = h_sysfs_read_int(endpoint, entry);
+      g_free(entry);
+
+      entry = g_strconcat(index, "physical_line_partition", NULL);
+      cache->physical_line_partition = h_sysfs_read_int(endpoint, entry);
+      g_free(entry);
+
+      entry = g_strconcat(index, "size", NULL);
+      cache->size = h_sysfs_read_int(endpoint, entry);
+      g_free(entry);
+
+      entry = g_strconcat(index, "ways_of_associativity", NULL);
+      cache->ways_of_associativity = h_sysfs_read_int(endpoint, entry);
+      g_free(entry);
+
+      /* unique cache references: id is nice, but share_cpu_list can be
+       * used if it is not available. */
+      entry = g_strconcat(index, "id", NULL);
+      uref = h_sysfs_read_string(endpoint, entry);
+      g_free(entry);
+      if (uref != NULL && *uref != 0 )
+        cache->uid = atoi(uref);
+      else
+        cache->uid = -1;
+      g_free(uref);
+      entry = g_strconcat(index, "shared_cpu_list", NULL);
+      cache->shared_cpu_list = h_sysfs_read_string(endpoint, entry);
+      g_free(entry);
+
+      /* reacharound */
+      entry = g_strconcat(index, "../../topology/physical_package_id", NULL);
+      cache->phy_sock = h_sysfs_read_int(endpoint, entry);
+      g_free(entry);
+
+      g_free(index);
+
+      processor->cache = g_slist_append(processor->cache, cache);
+    }
+
+fail:
+    g_free(endpoint);
+}
+
+#define cmp_cache_test(f) if (a->f < b->f) return -1; if (a->f > b->f) return 1;
+
+static gint cmp_cache(ProcessorCache *a, ProcessorCache *b) {
+        gint i = 0;
+        cmp_cache_test(phy_sock);
+        i = g_strcmp0(a->type, b->type); if (i!=0) return i;
+        cmp_cache_test(level);
+        cmp_cache_test(size);
+        cmp_cache_test(uid); /* uid is unique among caches with the same (type, level) */
+        if (a->uid == -1) {
+            /* if id wasn't available, use shared_cpu_list as a unique ref */
+            i = g_strcmp0(a->shared_cpu_list, b->shared_cpu_list); if (i!=0)
+            return i;
+        }
+        return 0;
+}
+
+static gint cmp_cache_ignore_id(ProcessorCache *a, ProcessorCache *b) {
+        gint i = 0;
+        cmp_cache_test(phy_sock);
+        i = g_strcmp0(a->type, b->type); if (i!=0) return i;
+        cmp_cache_test(level);
+        cmp_cache_test(size);
+        return 0;
+}
+
+gchar *caches_summary(GSList * processors)
+{
+    gchar *ret = g_strdup_printf("[%s]\n", _("Caches"));
+    GSList *all_cache = NULL, *uniq_cache = NULL;
+    GSList *tmp, *l;
+    Processor *p;
+    ProcessorCache *c, *cur = NULL;
+    gint cur_count = 0, i = 0;
+
+    /* create list of all cache references */
+    for (l = processors; l; l = l->next) {
+        p = (Processor*)l->data;
+        if (p->cache) {
+            tmp = g_slist_copy(p->cache);
+            if (all_cache) {
+                all_cache = g_slist_concat(all_cache, tmp);
+            } else {
+                all_cache = tmp;
+            }
+        }
+    }
+
+    if (g_slist_length(all_cache) == 0) {
+        ret = h_strdup_cprintf("%s=\n", ret, _("(Not Available)") );
+        g_slist_free(all_cache);
+        return ret;
+    }
+
+    /* ignore duplicate references */
+    all_cache = g_slist_sort(all_cache, (GCompareFunc)cmp_cache);
+    for (l = all_cache; l; l = l->next) {
+        c = (ProcessorCache*)l->data;
+        if (!cur) {
+            cur = c;
+        } else {
+            if (cmp_cache(cur, c) != 0) {
+                uniq_cache = g_slist_prepend(uniq_cache, cur);
+                cur = c;
+            }
+        }
+    }
+    uniq_cache = g_slist_prepend(uniq_cache, cur);
+    uniq_cache = g_slist_reverse(uniq_cache);
+    cur = 0, cur_count = 0;
+
+    /* count and list caches */
+    for (l = uniq_cache; l; l = l->next) {
+        c = (ProcessorCache*)l->data;
+        if (!cur) {
+            cur = c;
+            cur_count = 1;
+        } else {
+            if (cmp_cache_ignore_id(cur, c) != 0) {
+                ret = h_strdup_cprintf(_("Level %d (%s)#%d=%dx %dKB (%dKB), %d-way set-associative, %d sets\n"),
+                                      ret,
+                                      cur->level,
+                                      C_("cache-type", cur->type),
+                                      cur->phy_sock,
+                                      cur_count,
+                                      cur->size,
+                                      cur->size * cur_count,
+                                      cur->ways_of_associativity,
+                                      cur->number_of_sets);
+                cur = c;
+                cur_count = 1;
+            } else {
+                cur_count++;
+            }
+        }
+    }
+    ret = h_strdup_cprintf(_("Level %d (%s)#%d=%dx %dKB (%dKB), %d-way set-associative, %d sets\n"),
+                          ret,
+                          cur->level,
+                          C_("cache-type", cur->type),
+                          cur->phy_sock,
+                          cur_count,
+                          cur->size,
+                          cur->size * cur_count,
+                          cur->ways_of_associativity,
+                          cur->number_of_sets);
+
+    g_slist_free(all_cache);
+    g_slist_free(uniq_cache);
+    return ret;
+}
+
+
+#define PROC_SCAN_READ_BUFFER_SIZE 1024
+GSList *processor_scan(void)
+{
+    GSList *procs = NULL, *l = NULL;
+    Processor *processor = NULL;
+    FILE *cpuinfo;
+    gchar *buffer;
+
+    buffer = g_malloc(PROC_SCAN_READ_BUFFER_SIZE);
+    cpuinfo = fopen(PROC_CPUINFO, "r");
+    if (!cpuinfo)
+        return NULL;
+
+    while (fgets(buffer, PROC_SCAN_READ_BUFFER_SIZE, cpuinfo)) {
+        int rlen = strlen(buffer);
+        if (rlen >= PROC_SCAN_READ_BUFFER_SIZE - 1) {
+            fprintf(stderr, "Warning: truncated a line (probably flags list) longer than %d bytes while reading %s.\n", PROC_SCAN_READ_BUFFER_SIZE, PROC_CPUINFO);
+        }
+        gchar **tmp = g_strsplit(buffer, ":", 2);
+        if (!tmp[1] || !tmp[0]) {
+            g_strfreev(tmp);
+            continue;
+        }
+
+        tmp[0] = g_strstrip(tmp[0]);
+        tmp[1] = g_strstrip(tmp[1]);
+
+        if (g_str_has_prefix(tmp[0], "processor")) {
+            /* finish previous */
+            if (processor)
+                procs = g_slist_append(procs, processor);
+
+            /* start next */
+            processor = g_new0(Processor, 1);
+            processor->id = atol(tmp[1]);
+            g_strfreev(tmp);
+            continue;
+        }
+
+        if (processor) {
+            get_str("model name", processor->model_name);
+            get_str("vendor_id", processor->vendor_id);
+            get_int("cpu family", processor->family);
+            get_int("model", processor->model);
+            get_int("revision", processor->revision);
+
+            get_float("cpu MHz", processor->cpu_mhz);
+            get_float("bogomips", processor->bogomips);
+        }
+
+        //populate processor structure
+        g_strfreev(tmp);
+    }
+
+    //appent to the list
+    if (processor)
+        procs = g_slist_append(procs, processor);
+
+    for (l = procs; l; l = l->next) {
+        processor = (Processor *) l->data;
+        __cache_obtain_info(processor);
+    }
+
+    fclose(cpuinfo);
+
+    return procs;
+}
+
+gchar *processor_name(GSList * processors) {
+    return processor_name_default(processors);
+}
+
+gchar *processor_describe(GSList * processors) {
+    return processor_describe_default(processors);
+}
+
+gchar *
+processor_get_detailed_info(Processor *processor)
+{
+    gchar *ret;
+    gchar *cache_info;
+    cache_info = __cache_get_info_as_string(processor);
+
+    ret = g_strdup_printf("[%s]\n"
+                    "%s=%s\n"      /* name */
+                    "%s=%s\n"      /* vendor */
+                    "%s=%d\n"      /* family */
+                    "%s=%d\n"      /* model */
+                    "%s=%d\n"      /* revision */
+                    "%s=%.2f %s\n" /* frequency */
+                    "%s=%.2f\n"    /* bogomips */
+                    "%s=%s\n"      /* byte order */
+                    "[%s]\n"       /* cache */
+                    "%s\n",
+                    _("Processor"),
+                    _("Name"), processor->model_name,
+                    _("Vendor"), processor->vendor_id,
+                    _("Family"), processor->family,
+                    _("Model"), processor->model,
+                    _("Revision"), processor->revision,
+                    _("Frequency"), processor->cpu_mhz, _("MHz"),
+                    _("BogoMips"), processor->bogomips,
+                    _("Byte Order"), byte_order_str(),
+                    _("Cache"), cache_info
+                );
+    g_free(cache_info);
+    return ret;
+}
+
+//prepare processor info for all cpus
+gchar *processor_get_info(GSList * processors)
+{
+    Processor *processor;
+
+    if (g_slist_length(processors) > 1) {
+        gchar *ret, *tmp, *hashkey;
+        GSList *l;
+
+        tmp = g_strdup("");
+
+        for (l = processors; l; l = l->next) {
+            processor = (Processor *) l->data;
+
+            tmp = g_strdup_printf("%s$CPU%d$%s=%.2f %s\n",
+                    tmp, processor->id,
+                    processor->model_name,
+                    processor->cpu_mhz, _("MHz"));
+
+            hashkey = g_strdup_printf("CPU%d", processor->id);
+            moreinfo_add_with_prefix("DEV", hashkey,
+                    processor_get_detailed_info(processor));
+            g_free(hashkey);
+        }
+
+        ret = g_strdup_printf("[$ShellParam$]\n"
+                    "ViewType=1\n"
+                    "[Processors]\n"
+                    "%s", tmp);
+        g_free(tmp);
+
+        return ret;
+    }
+
+    processor = (Processor *) processors->data;
+    return processor_get_detailed_info(processor);
+}