CPU (Linux): fixes Snapdragon X2 series model detection

Fixes #2611
This commit is contained in:
Carter Li
2026-09-25 08:46:13 +08:00
parent d223b04ad8
commit 80a931a87f
4 changed files with 123 additions and 41 deletions
+1
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@@ -46,6 +46,7 @@ Features:
* Lua format scripting is now considered stable.
Bugfixes:
* Fixed Snapdragon X2 series model detection on Linux. (#2611, CPU / Linux)
* Fixed image logo caching, padding, and positioning issues, including an iTerm display bug. (Logo)
* Fixed several Windows issues, including Windows Terminal font detection, redirected `--gen-config` output, and gamepad battery reporting for DualShock 4 and Switch controllers. (#2573, TerminalFont; Gamepad; General)
* Fixed formatting and display issues, including ANSI-aware truncation, date/time formatting, and bright key/title colors. (Format / DateTime / Display)
+12
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@@ -2253,6 +2253,15 @@ if (BUILD_TESTS)
PRIVATE libfastfetch
)
if (CMAKE_SYSTEM_NAME STREQUAL "Linux")
add_executable(fastfetch-test-cpu
tests/cpu.c
)
target_link_libraries(fastfetch-test-cpu
PRIVATE libfastfetch
)
endif()
add_executable(fastfetch-test-strbuf
tests/strbuf.c
)
@@ -2366,6 +2375,9 @@ if (BUILD_TESTS)
)
enable_testing()
if (CMAKE_SYSTEM_NAME STREQUAL "Linux")
add_test(NAME test-cpu COMMAND fastfetch-test-cpu)
endif()
add_test(NAME test-strbuf COMMAND fastfetch-test-strbuf)
add_test(NAME test-list COMMAND fastfetch-test-list)
add_test(NAME test-format COMMAND fastfetch-test-format)
+63 -41
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@@ -706,6 +706,68 @@ static bool detectFrequency(FFCPUResult* cpu, const FFCPUOptions* options) {
return true;
}
// Also used in tests/cpu.c
bool ffCPUQualcommSnapdragonToName(FFstrbuf* name, const char* model) {
// X2 device trees use platform codenames rather than exact retail part
// numbers. qcom,glymur is used by X2 Elite Extreme boards, qcom,mahua by
// X2 Elite boards, and qcom,kalambo by X2 Plus boards. Do not append a
// part number from /sys/bus/soc/devices/soc0/soc_id: it contains
// SMEM_HW_SW_BUILD_ID.id (the platform ID), 662 is unnamed in the public
// qcom,ids.h, and one compatible can cover multiple retail SKUs.
// https://github.com/fastfetch-cli/fastfetch/issues/2611
if (ffStrEquals(model, "glymur")) {
ffStrbufSetS(name, "Qualcomm Snapdragon X2 Elite Extreme");
return true;
}
if (ffStrEquals(model, "mahua")) {
ffStrbufSetS(name, "Qualcomm Snapdragon X2 Elite");
return true;
}
if (ffStrEquals(model, "kalambo")) {
ffStrbufSetS(name, "Qualcomm Snapdragon X2 Plus");
return true;
}
// SoC models are enumerated in the form of `x<gen>[e|p]<part><rev>`, e.g. `x1e80100`,
// which is marketed as `X1E-80-100`, where `e` stands for Elite and `p` for Plus.
// https://en.wikipedia.org/wiki/List_of_Qualcomm_Snapdragon_systems_on_chips#Snapdragon_X_series
const char* prefix;
uint32_t prefixLen;
if (ffStrStartsWith(model, "x1e")) {
prefix = "Qualcomm Snapdragon X Elite";
prefixLen = 3;
} else if (ffStrStartsWith(model, "x1p")) {
prefix = "Qualcomm Snapdragon X Plus";
prefixLen = 3;
} else if (ffStrStartsWith(model, "x2e")) {
// Only X2E-94-100 and X2E-96-100 are branded as Extreme
bool extreme = ffStrStartsWith(model, "x2e94") || ffStrStartsWith(model, "x2e96");
prefix = extreme ? "Qualcomm Snapdragon X2 Elite Extreme" : "Qualcomm Snapdragon X2 Elite";
prefixLen = 3;
} else if (ffStrStartsWith(model, "x2p")) {
prefix = "Qualcomm Snapdragon X2 Plus";
prefixLen = 3;
} else if (ffStrStartsWith(model, "x1")) {
prefix = "Qualcomm Snapdragon X";
prefixLen = 2;
} else {
return false;
}
uint32_t length = (uint32_t) strlen(model);
bool splitCode = length - prefixLen == 5;
ffStrbufSetF(name, "%s X", prefix);
for (uint32_t i = 1; i < length; ++i) {
if (i == prefixLen || (splitCode && i == length - 3)) {
ffStrbufAppendC(name, '-');
}
ffStrbufAppendC(name, (char) toupper(model[i]));
}
return true;
}
#if __i386__ || __x86_64__
[[maybe_unused]] static uint16_t getPackageCount(FFstrbuf* cpuinfo) {
@@ -840,46 +902,6 @@ static const char* detectPhysicalCores(FFCPUResult* cpu) {
return nullptr;
}
[[maybe_unused]] static bool detectSnapdragonX(FFstrbuf* name, const char* model) {
// SoC models are enumerated in the form of `x<gen>[e|p]<part><rev>`, e.g. `x1e80100`,
// which is marketed as `X1E-80-100`, where `e` stands for Elite and `p` for Plus.
// https://en.wikipedia.org/wiki/List_of_Qualcomm_Snapdragon_systems_on_chips#Snapdragon_X_series
const char* prefix;
uint32_t prefixLen;
if (ffStrStartsWith(model, "x1e")) {
prefix = "Qualcomm Snapdragon X Elite";
prefixLen = 3;
} else if (ffStrStartsWith(model, "x1p")) {
prefix = "Qualcomm Snapdragon X Plus";
prefixLen = 3;
} else if (ffStrStartsWith(model, "x2e")) {
// Only X2E-94-100 and X2E-96-100 are branded as Extreme
prefix = model[3] == '9' ? "Qualcomm Snapdragon X2 Elite Extreme" : "Qualcomm Snapdragon X2 Elite";
prefixLen = 3;
} else if (ffStrStartsWith(model, "x2p")) {
prefix = "Qualcomm Snapdragon X2 Plus";
prefixLen = 3;
} else if (ffStrStartsWith(model, "x1")) {
prefix = "Qualcomm Snapdragon X";
prefixLen = 2;
} else {
return false;
}
uint32_t length = (uint32_t) strlen(model);
bool splitCode = length - prefixLen == 5;
ffStrbufSetF(name, "%s X", prefix);
for (uint32_t i = 1; i < length; ++i) {
if (i == prefixLen || (splitCode && i == length - 3)) {
ffStrbufAppendC(name, '-');
}
ffStrbufAppendC(name, (char) toupper(model[i]));
}
return true;
}
[[maybe_unused]] static void parseIsa(FFstrbuf* cpuIsa) {
// Always use the last part of the ISA string. Ref: #590 #1204
ffStrbufSubstrAfterLastC(cpuIsa, ' ');
@@ -982,7 +1004,7 @@ static const char* detectPhysicalCores(FFCPUResult* cpu) {
#endif
else if (ffStrEquals(vendor, "qcom")) {
// https://elixir.bootlin.com/linux/latest/source/arch/arm64/boot/dts/qcom
if (!detectSnapdragonX(&cpu->name, model)) {
if (!ffCPUQualcommSnapdragonToName(&cpu->name, model)) {
if (ffStrStartsWith(model, "sc")) {
const char* code = model + 2;
uint32_t deviceId = (uint32_t) strtoul(code, nullptr, 10);
+47
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@@ -0,0 +1,47 @@
#include "common/FFstrbuf.h"
#include "common/textModifier.h"
#include <stdio.h>
#include <stdlib.h>
bool ffCPUQualcommSnapdragonToName(FFstrbuf* name, const char* model);
static void verifyName(const char* model, bool expectedResult, const char* expected) {
FF_STRBUF_AUTO_DESTROY result = ffStrbufCreateS("unchanged");
const bool returned = ffCPUQualcommSnapdragonToName(&result, model);
if (returned != expectedResult || !ffStrbufEqualS(&result, expected)) {
fprintf(stderr, FASTFETCH_TEXT_MODIFIER_ERROR
"ffCPUQualcommSnapdragonToName(\"%s\"): expected %s \"%s\", got %s \"%s\"\n"
FASTFETCH_TEXT_MODIFIER_RESET,
model, expectedResult ? "true" : "false", expected,
returned ? "true" : "false", result.chars);
exit(1);
}
}
#define VERIFY_NAME(model, expectedResult, expected) \
verifyName((model), (expectedResult), (expected))
int main(void) {
// Existing X1 and direct X2 model names
VERIFY_NAME("x1e80100", true, "Qualcomm Snapdragon X Elite X1E-80-100");
VERIFY_NAME("x1p42100", true, "Qualcomm Snapdragon X Plus X1P-42-100");
VERIFY_NAME("x2e88100", true, "Qualcomm Snapdragon X2 Elite X2E-88-100");
VERIFY_NAME("x2e90100", true, "Qualcomm Snapdragon X2 Elite X2E-90-100");
VERIFY_NAME("x2e94100", true, "Qualcomm Snapdragon X2 Elite Extreme X2E-94-100");
VERIFY_NAME("x2e96100", true, "Qualcomm Snapdragon X2 Elite Extreme X2E-96-100");
VERIFY_NAME("x2p42100", true, "Qualcomm Snapdragon X2 Plus X2P-42-100");
// X2 platform codenames identify the marketing family, not an exact SKU
VERIFY_NAME("glymur", true, "Qualcomm Snapdragon X2 Elite Extreme");
VERIFY_NAME("mahua", true, "Qualcomm Snapdragon X2 Elite");
VERIFY_NAME("kalambo", true, "Qualcomm Snapdragon X2 Plus");
// Other Qualcomm platform names are handled by the caller
VERIFY_NAME("sc8280", false, "unchanged");
puts("\033[32mAll tests passed!" FASTFETCH_TEXT_MODIFIER_RESET);
return 0;
}