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author | Fishand <ahtlxqd@gmail.com> | 2022-02-01 07:11:36 +0800 |
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committer | GitHub <noreply@github.com> | 2022-01-31 15:11:36 -0800 |
commit | 7357f7dc5dd4e2f3fe5b76df8dfbc15db0e61588 (patch) | |
tree | 664a3c40c71f49496291fe6689a3a14a33349f22 | |
parent | 728f3e909fa5c57e0123c4658e234f6b1941385d (diff) | |
download | cpuinfo-7357f7dc5dd4e2f3fe5b76df8dfbc15db0e61588.tar.gz |
Add support for some special qualcomm SoCs. (#67)
Co-authored-by: xuqd <xuqd@getui.com>
-rw-r--r-- | src/arm/cache.c | 1 | ||||
-rw-r--r-- | src/arm/linux/chipset.c | 91 |
2 files changed, 85 insertions, 7 deletions
diff --git a/src/arm/cache.c b/src/arm/cache.c index 446b02b..6ec2d5b 100644 --- a/src/arm/cache.c +++ b/src/arm/cache.c @@ -535,6 +535,7 @@ void cpuinfo_arm_decode_cache( l2_size = 1024 * 1024; break; case 660: + case 662: /* Snapdragon 660: 1 MB L2 (little cores only) */ l2_size = 1024 * 1024; break; diff --git a/src/arm/linux/chipset.c b/src/arm/linux/chipset.c index e36283c..fdc875a 100644 --- a/src/arm/linux/chipset.c +++ b/src/arm/linux/chipset.c @@ -281,6 +281,82 @@ static bool match_sm( return true; } + +struct special_map_entry { + const char* platform; + uint16_t model; + uint8_t series; + char suffix; +}; + +static const struct special_map_entry qualcomm_hardware_map_entries[] = { + { + /* "Kona" -> Qualcomm Kona */ + .platform = "Kona", + .series = cpuinfo_arm_chipset_series_qualcomm_snapdragon, + .model = 865, + }, + { + /* "Bengal" -> Qualcomm Bengal */ + .platform = "Bengal", + .series = cpuinfo_arm_chipset_series_qualcomm_snapdragon, + .model = 662, + }, + { + /* "Bengalp" -> Qualcomm Bengalp */ + .platform = "Bengalp", + .series = cpuinfo_arm_chipset_series_qualcomm_snapdragon, + .model = 662, + }, + { + /* "Lito" -> Qualcomm Lito */ + .platform = "Lito", + .series = cpuinfo_arm_chipset_series_qualcomm_snapdragon, + .model = 765, + .suffix = 'G' + }, + { + /* "Lagoon" -> Qualcomm Lagoon */ + .platform = "Lagoon", + .series = cpuinfo_arm_chipset_series_qualcomm_snapdragon, + .model = 0, + }, +}; + + +int strcicmp(char const *a, char const *b) +{ + for (;; a++, b++) { + int d = tolower((unsigned char)*a) - tolower((unsigned char)*b); + if (d != 0 || !*a) + return d; + } +} + +static bool match_qualcomm_special( + const char* start, const char* end, + struct cpuinfo_arm_chipset chipset[restrict static 1]) +{ + for (size_t i = 0; i < CPUINFO_COUNT_OF(qualcomm_hardware_map_entries); i++) { + int length = end - start; + if (strcicmp(qualcomm_hardware_map_entries[i].platform, start) == 0 && + qualcomm_hardware_map_entries[i].platform[length] == 0) + { + *chipset = (struct cpuinfo_arm_chipset) { + .vendor = chipset_series_vendor[qualcomm_hardware_map_entries[i].series], + .series = (enum cpuinfo_arm_chipset_series) qualcomm_hardware_map_entries[i].series, + .model = qualcomm_hardware_map_entries[i].model, + .suffix = { + [0] = qualcomm_hardware_map_entries[i].suffix, + }, + }; + return true; + } + } + return false; + +} + /** * Tries to match /Samsung Exynos\d{4}$/ signature (case-insensitive) for Samsung Exynos chipsets. * If match successful, extracts model information into \p chipset argument. @@ -1752,13 +1828,6 @@ static bool is_tegra(const char* start, const char* end) { return (length == 5 || start[5] == '3'); } -struct special_map_entry { - const char* platform; - uint16_t model; - uint8_t series; - char suffix; -}; - static const struct special_map_entry special_hardware_map_entries[] = { #if CPUINFO_ARCH_ARM { @@ -2317,6 +2386,14 @@ struct cpuinfo_arm_chipset cpuinfo_arm_linux_decode_chipset_from_proc_cpuinfo_ha (int) hardware_length, hardware); return chipset; } + + if (match_qualcomm_special(pos, hardware_end, &chipset)) { + cpuinfo_log_debug( + "matched Qualcomm signature in /proc/cpuinfo Hardware string \"%.*s\"", + (int) hardware_length, hardware); + return chipset; + } + } word_start = false; break; |