diff options
Diffstat (limited to 'modules')
| -rw-r--r-- | modules/devices/riscv/processor.c | 207 |
1 files changed, 207 insertions, 0 deletions
diff --git a/modules/devices/riscv/processor.c b/modules/devices/riscv/processor.c new file mode 100644 index 00000000..b27a2c10 --- /dev/null +++ b/modules/devices/riscv/processor.c @@ -0,0 +1,207 @@ +/* + * 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 + */ + +/* source: https://github.com/riscv/riscv-linux/blob/riscv-next/arch/riscv/kernel/cpu.c */ + +#include "hardinfo.h" +#include "devices.h" +#include "cpu_util.h" + +GSList * +processor_scan(void) +{ + GSList *procs = NULL; + Processor *processor = NULL; + FILE *cpuinfo; + gchar buffer[128]; + gchar *rep_pname = NULL; + gchar *tmpfreq_str = NULL; + GSList *pi = NULL; + + cpuinfo = fopen(PROC_CPUINFO, "r"); + if (!cpuinfo) + return NULL; + +#define CHECK_FOR(k) (g_str_has_prefix(tmp[0], k)) + while (fgets(buffer, 128, cpuinfo)) { + gchar **tmp = g_strsplit(buffer, ":", 2); + if (tmp[0] && tmp[1]) { + tmp[0] = g_strstrip(tmp[0]); + tmp[1] = g_strstrip(tmp[1]); + } else { + g_strfreev(tmp); + continue; + } + + //get_str("Processor", rep_pname); + + if ( CHECK_FOR("hart") ) { + /* finish previous */ + if (processor) { + procs = g_slist_append(procs, processor); + } + + /* start next */ + processor = g_new0(Processor, 1); + processor->id = atol(tmp[1]); + + if (rep_pname) + processor->model_name = g_strdup(rep_pname); + + g_strfreev(tmp); + continue; + } + + if (!processor && + ( CHECK_FOR("mmu") + || CHECK_FOR("isa") + || CHECK_FOR("uarch") ) ) { + + /* single proc/core may not have "hart : n" */ + processor = g_new0(Processor, 1); + processor->id = 0; + + if (rep_pname) + processor->model_name = g_strdup(rep_pname); + } + + if (processor) { + get_str("mmu", processor->mmu); + get_str("isa", processor->isa); + get_str("uarch", processor->uarch); + } + g_strfreev(tmp); + } + + if (processor) + procs = g_slist_append(procs, processor); + + g_free(rep_pname); + fclose(cpuinfo); + + /* re-duplicate missing data for /proc/cpuinfo variant that de-duplicated it */ +#define REDUP(f) if (dproc->f && !processor->f) processor->f = g_strdup(dproc->f); + Processor *dproc; + GSList *l; + l = procs = g_slist_reverse(procs); + while (l) { + processor = l->data; + if (processor->model_name) { + dproc = processor; + } else if (dproc) { + //REDUP(mmu); + //REDUP(isa); + //REDUP(uarch); + } + l = g_slist_next(l); + } + procs = g_slist_reverse(procs); + + /* data not from /proc/cpuinfo */ + for (pi = procs; pi; pi = pi->next) { + processor = (Processor *) pi->data; + + /* strings can't be null or segfault later */ + STRIFNULL(model_name, _("RISCV Processor") ); + UNKIFNULL(mmu); + UNKIFNULL(isa); + UNKIFNULL(uarch); + + /* topo & freq */ + processor->cpufreq = cpufreq_new(processor->id); + processor->cputopo = cputopo_new(processor->id); + + if (processor->cpufreq->cpukhz_max) + processor->cpu_mhz = processor->cpufreq->cpukhz_max / 1000; + else + processor->cpu_mhz = 0.0f; + } + + return procs; +} + + +gchar * +processor_get_detailed_info(Processor *processor) +{ + gchar *tmp_cpufreq, *tmp_topology, *ret; + + tmp_topology = cputopo_section_str(processor->cputopo); + tmp_cpufreq = cpufreq_section_str(processor->cpufreq); + + ret = g_strdup_printf("[%s]\n" + "%s=%s\n" /* model */ + "%s=%s\n" /* isa */ + "%s=%s\n" /* uarch */ + "%s=%s\n" /* mmu */ + "%s=%.2f %s\n" /* frequency */ + "%s=%s\n" /* byte order */ + "%s" /* topology */ + "%s" /* frequency scaling */ + "%s",/* empty */ + _("Processor"), + _("Model"), processor->model_name, + _("Architecture"), processor->isa, + _("uarch"), processor->uarch, + _("MMU"), processor->mmu, + _("Frequency"), processor->cpu_mhz, _("MHz"), + _("Byte Order"), byte_order_str(), + tmp_topology, + tmp_cpufreq, + ""); + g_free(tmp_cpufreq); + g_free(tmp_topology); + return ret; +} + +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=%.2fMHz\n"), + tmp, processor->id, + processor->model_name, + processor->cpu_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); +} |