diff options
Diffstat (limited to 'modules/devices/arm')
-rw-r--r-- | modules/devices/arm/arm_data.c | 215 | ||||
-rw-r--r-- | modules/devices/arm/arm_data.h | 38 | ||||
-rw-r--r-- | modules/devices/arm/processor.c | 88 |
3 files changed, 279 insertions, 62 deletions
diff --git a/modules/devices/arm/arm_data.c b/modules/devices/arm/arm_data.c new file mode 100644 index 00000000..246cb643 --- /dev/null +++ b/modules/devices/arm/arm_data.c @@ -0,0 +1,215 @@ +/* + * rpiz - https://github.com/bp0/rpiz + * Copyright (C) 2017 Burt P. <pburt0@gmail.com> + * + * 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; either version 2 + * of the License, or (at your option) any later version. + * + * 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 Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + */ + +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include "arm_data.h" + +/* sources: + * https://unix.stackexchange.com/a/43563 + * git:linux/arch/arm/kernel/setup.c + * git:linux/arch/arm64/kernel/cpuinfo.c + */ +static struct { + char *name, *meaning; +} tab_flag_meaning[] = { + /* arm/hw_cap */ + { "swp", "SWP instruction (atomic read-modify-write)" }, + { "half", "Half-word loads and stores" }, + { "thumb", "Thumb (16-bit instruction set)" }, + { "26bit", "26-Bit Model (Processor status register folded into program counter)" }, + { "fastmult", "32x32->64-bit multiplication" }, + { "fpa", "Floating point accelerator" }, + { "vfp", "VFP (early SIMD vector floating point instructions)" }, + { "edsp", "DSP extensions (the 'e' variant of the ARM9 CPUs, and all others above)" }, + { "java", "Jazelle (Java bytecode accelerator)" }, + { "iwmmxt", "SIMD instructions similar to Intel MMX" }, + { "crunch", "MaverickCrunch coprocessor (if kernel support enabled)" }, + { "thumbee", "ThumbEE" }, + { "neon", "Advanced SIMD/NEON on AArch32" }, + { "evtstrm", "kernel event stream using generic architected timer" }, + { "vfpv3", "VFP version 3" }, + { "vfpv3d16", "VFP version 3 with 16 D-registers" }, + { "vfpv4", "VFP version 4 with fast context switching" }, + { "vfpd32", "VFP with 32 D-registers" }, + { "tls", "TLS register" }, + { "idiva", "SDIV and UDIV hardware division in ARM mode" }, + { "idivt", "SDIV and UDIV hardware division in Thumb mode" }, + { "lpae", "40-bit Large Physical Address Extension" }, + /* arm/hw_cap2 */ + { "pmull", "64x64->128-bit F2m multiplication (arch>8)" }, + { "aes", "Crypto:AES (arch>8)" }, + { "sha1", "Crypto:SHA1 (arch>8)" }, + { "sha2", "Crypto:SHA2 (arch>8)" }, + { "crc32", "CRC32 checksum instructions (arch>8)" }, + /* arm64/hw_cap */ + { "fp", "" }, + { "asimd", "Advanced SIMD/NEON on AArch64 (arch>8)" }, + { "atomics", "" }, + { "fphp", "" }, + { "asimdhp", "" }, + { "cpuid", "" }, + { "asimdrdm", "" }, + { "jscvt", "" }, + { "fcma", "" }, + { "lrcpc", "" }, + + { NULL, NULL}, +}; + +static struct { + int code; char *name; +} tab_arm_implementer[] = { + { 0x41, "ARM" }, + { 0x44, "Intel (formerly DEC) StrongARM" }, + { 0x4e, "nVidia" }, + { 0x54, "Texas Instruments" }, + { 0x56, "Marvell" }, + { 0x69, "Intel XScale" }, + { 0, NULL}, +}; + +static struct { + /* source: t = tested, d = official docs, f = web */ + int code; char *part_desc; +} tab_arm_arm_part[] = { /* only valid for implementer 0x41 ARM */ + /*d */ { 0x920, "ARM920" }, + /*d */ { 0x926, "ARM926" }, + /*d */ { 0x946, "ARM946" }, + /*d */ { 0x966, "ARM966" }, + /*d */ { 0xb02, "ARM11 MPCore" }, + /*d */ { 0xb36, "ARM1136" }, + /*d */ { 0xb56, "ARM1156" }, + /*dt*/ { 0xb76, "ARM1176" }, + /*dt*/ { 0xc05, "Cortex-A5" }, + /*d */ { 0xc07, "Cortex-A7 MPCore" }, + /*dt*/ { 0xc08, "Cortex-A8" }, + /*dt*/ { 0xc09, "Cortex-A9" }, + /*d */ { 0xc0e, "Cortex-A17 MPCore" }, + /*d */ { 0xc0f, "Cortex-A15" }, + /*d */ { 0xd01, "Cortex-A32" }, + /*dt*/ { 0xd03, "Cortex-A53" }, + /*d */ { 0xd04, "Cortex-A35" }, + /*d */ { 0xd07, "Cortex-A57 MPCore" }, + /*d */ { 0xd08, "Cortex-A72" }, + /*d */ { 0xd09, "Cortex-A73" }, + { 0, NULL}, +}; + +static char all_flags[1024] = ""; + +#define APPEND_FLAG(f) strcat(all_flags, f); strcat(all_flags, " "); +const char *arm_flag_list() { + int i = 0, built = 0; + built = strlen(all_flags); + if (!built) { + while(tab_flag_meaning[i].name != NULL) { + APPEND_FLAG(tab_flag_meaning[i].name); + i++; + } + } + return all_flags; +} + +const char *arm_flag_meaning(const char *flag) { + int i = 0; + if (flag) + while(tab_flag_meaning[i].name != NULL) { + if (strcmp(tab_flag_meaning[i].name, flag) == 0) + return tab_flag_meaning[i].meaning; + i++; + } + return NULL; +} + +static int code_match(int c0, const char* code1) { + int c1; + if (code1 == NULL) return 0; + c1 = strtol(code1, NULL, 0); + return (c0 == c1) ? 1 : 0; +} + +const char *arm_implementer(const char *code) { + int i = 0; + if (code) + while(tab_arm_implementer[i].code) { + if (code_match(tab_arm_implementer[i].code, code)) + return tab_arm_implementer[i].name; + i++; + } + return NULL; +} + +const char *arm_part(const char *imp_code, const char *part_code) { + int i = 0; + if (imp_code && part_code) { + if (code_match(0x41, imp_code)) { + /* 0x41=ARM parts */ + while(tab_arm_arm_part[i].code) { + if (code_match(tab_arm_arm_part[i].code, part_code)) + return tab_arm_arm_part[i].part_desc; + i++; + } + } + } + return NULL; +} + +char *arm_decoded_name(const char *imp, const char *part, const char *var, const char *rev, const char *arch, const char *model_name) { + char *dnbuff; + char *imp_name = NULL, *part_desc = NULL; + int r = 0, p = 0; + dnbuff = malloc(256); + if (dnbuff) { + memset(dnbuff, 0, 256); + + if (imp && arch && part && rev) { + /* http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.dui0395b/CIHCAGHH.html + * variant and revision can be rendered r{variant}p{revision} */ + r = strtol(var, NULL, 0); + p = strtol(rev, NULL, 0); + imp_name = (char*) arm_implementer(imp); + part_desc = (char*) arm_part(imp, part); + if (imp_name || part_desc) { + sprintf(dnbuff, "%s %s r%dp%d (arch:%s)", + (imp_name) ? imp_name : imp, + (part_desc) ? part_desc : part, + r, p, arch); + } else { + /* fallback for now */ + sprintf(dnbuff, "%s [imp:%s part:%s r%dp%d arch:%s]", + model_name, + (imp_name) ? imp_name : imp, + (part_desc) ? part_desc : part, + r, p, arch); + } + } else { + /* prolly not ARM arch at all */ + if (model_name) + sprintf(dnbuff, "%s", model_name); + else { + free(dnbuff); + return NULL; + } + } + } + return dnbuff; +} diff --git a/modules/devices/arm/arm_data.h b/modules/devices/arm/arm_data.h new file mode 100644 index 00000000..4d1d4cf9 --- /dev/null +++ b/modules/devices/arm/arm_data.h @@ -0,0 +1,38 @@ +/* + * rpiz - https://github.com/bp0/rpiz + * Copyright (C) 2017 Burt P. <pburt0@gmail.com> + * + * 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; either version 2 + * of the License, or (at your option) any later version. + * + * 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 Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + */ + +#ifndef _ARMDATA_H_ +#define _ARMDATA_H_ + +/* table lookups */ +const char *arm_implementer(const char *code); +const char *arm_part(const char *imp_code, const char *part_code); + +/* cpu_implementer, cpu_part, cpu_variant, cpu_revision, cpu_architecture from /proc/cpuinfo + * model_name is returned as a fallback if not enough data is known */ +char *arm_decoded_name( + const char *imp, const char *part, const char *var, const char *rev, + const char *arch, const char *model_name); + +/* cpu flags from /proc/cpuinfo */ +const char *arm_flag_list(void); /* list of all known flags */ +const char *arm_flag_meaning(const char *flag); /* lookup flag meaning */ + +#endif diff --git a/modules/devices/arm/processor.c b/modules/devices/arm/processor.c index ad29f09e..a18f6374 100644 --- a/modules/devices/arm/processor.c +++ b/modules/devices/arm/processor.c @@ -19,6 +19,9 @@ #include "hardinfo.h" #include "devices.h" +#include "arm_data.h" +#include "arm_data.c" + enum { ARM_A32 = 0, ARM_A64 = 1, @@ -31,68 +34,21 @@ static const gchar *arm_mode_str[] = { "A32 on A64", }; -/* sources: - * https://unix.stackexchange.com/a/43563 - * git:linux/arch/arm/kernel/setup.c - * git:linux/arch/arm64/kernel/cpuinfo.c - */ -static struct { - char *name, *meaning; -} flag_meaning[] = { - /* arm/hw_cap */ - { "swp", "SWP instruction (atomic read-modify-write)" }, - { "half", "Half-word loads and stores" }, - { "thumb", "Thumb (16-bit instruction set)" }, - { "26bit", "26-Bit Model (Processor status register folded into program counter)" }, - { "fastmult", "32x32->64-bit multiplication" }, - { "fpa", "Floating point accelerator" }, - { "vfp", "VFP (early SIMD vector floating point instructions)" }, - { "edsp", "DSP extensions (the 'e' variant of the ARM9 CPUs, and all others above)" }, - { "java", "Jazelle (Java bytecode accelerator)" }, - { "iwmmxt", "SIMD instructions similar to Intel MMX" }, - { "crunch", "MaverickCrunch coprocessor (if kernel support enabled)" }, - { "thumbee", "ThumbEE" }, - { "neon", "Advanced SIMD/NEON on AArch32" }, - { "evtstrm", "kernel event stream using generic architected timer" }, - { "vfpv3", "VFP version 3" }, - { "vfpv3d16", "VFP version 3 with 16 D-registers" }, - { "vfpv4", "VFP version 4 with fast context switching" }, - { "vfpd32", "VFP with 32 D-registers" }, - { "tls", "TLS register" }, - { "idiva", "SDIV and UDIV hardware division in ARM mode" }, - { "idivt", "SDIV and UDIV hardware division in Thumb mode" }, - { "lpae", "40-bit Large Physical Address Extension" }, - /* arm/hw_cap2 */ - { "pmull", "64x64->128-bit F2m multiplication (arch>8)" }, - { "aes", "Crypto:AES (arch>8)" }, - { "sha1", "Crypto:SHA1 (arch>8)" }, - { "sha2", "Crypto:SHA2 (arch>8)" }, - { "crc32", "CRC32 checksum instructions (arch>8)" }, - /* arm64/hw_cap */ - { "fp", "" }, - { "asimd", "Advanced SIMD/NEON on AArch64 (arch>8)" }, - { "atomics", "" }, - { "fphp", "" }, - { "asimdhp", "" }, - { "cpuid", "" }, - { "asimdrdm", "" }, - { "jscvt", "" }, - { "fcma", "" }, - { "lrcpc", "" }, - - { NULL, NULL}, -}; - GHashTable *cpu_flags = NULL; /* FIXME: when is it freed? */ static void populate_cpu_flags_list_internal() { int i; + gchar **afl, *fm; + cpu_flags = g_hash_table_new(g_str_hash, g_str_equal); - for (i = 0; flag_meaning[i].name != NULL; i++) { - g_hash_table_insert(cpu_flags, flag_meaning[i].name, - flag_meaning[i].meaning); + afl = g_strsplit(arm_flag_list(), " ", 0); + while(afl[i] != NULL) { + fm = (char *)arm_flag_meaning(afl[i]); + if (g_strcmp0(afl[i], "") != 0) + g_hash_table_insert(cpu_flags, afl[i], (fm) ? fm : ""); + i++; } } @@ -231,6 +187,11 @@ processor_scan(void) UNKIFNULL(cpu_part); UNKIFNULL(cpu_revision); + processor->decoded_name = arm_decoded_name( + processor->cpu_implementer, processor->cpu_part, + processor->cpu_variant, processor->cpu_revision, + processor->cpu_architecture, processor->model_name); + /* freq */ processor->cpukhz_cur = get_cpu_int("cpufreq/scaling_cur_freq", processor->id); processor->cpukhz_min = get_cpu_int("cpufreq/scaling_min_freq", processor->id); @@ -287,11 +248,13 @@ gchar *processor_get_capabilities_from_flags(gchar * strflags) gchar * processor_get_detailed_info(Processor *processor) { - gchar *tmp_flags, *ret; + gchar *tmp_flags, *tmp_imp, *tmp_part, *ret; tmp_flags = processor_get_capabilities_from_flags(processor->flags); - + tmp_imp = (char*)arm_implementer(processor->cpu_implementer); + tmp_part = (char *)arm_part(processor->cpu_implementer, processor->cpu_part); ret = g_strdup_printf("[Processor]\n" - "Name=%s\n" + "Linux Name=%s\n" + "Decoded Name=%s\n" "Mode=%s\n" "BogoMips=%.2f\n" "Endianesss=" @@ -306,24 +269,25 @@ processor_get_detailed_info(Processor *processor) "Max=%d kHz\n" "Cur=%d kHz\n" "[ARM]\n" - "Implementer=%s\n" + "Implementer=[%s] %s\n" + "Part=[%s] %s\n" "Architecture=%s\n" "Variant=%s\n" - "Part=%s\n" "Revision=%s\n" "[Capabilities]\n" "%s" "%s", processor->model_name, + processor->decoded_name, arm_mode_str[processor->mode], processor->bogomips, processor->cpukhz_min, processor->cpukhz_max, processor->cpukhz_cur, - processor->cpu_implementer, + processor->cpu_implementer, (tmp_imp) ? tmp_imp : "", + processor->cpu_part, (tmp_part) ? tmp_part : "", processor->cpu_architecture, processor->cpu_variant, - processor->cpu_part, processor->cpu_revision, tmp_flags, ""); |