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CPU (Linux): supports more Snapdragon X SoCs

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Carter Li
2026-08-31 14:26:50 +08:00
parent ef7f5aeac3
commit 42002a6240
2 changed files with 53 additions and 15 deletions
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CHANGELOG.md
+1
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@@ -21,6 +21,7 @@ Features:
* Improved fish completion scripts to print enum descriptions. (Completion)
* Enabled Wayland support on Android. (DisplayServer, Android)
* Added DE detection support for ASUS Zenfone. (DE, Android)
* Added new ARM SoCs (CPU, Linux / Android)
Bugfixes:
* Fixed I/O rate calculation precision in DiskIO and NetIO, and prevented division by zero. (DiskIO / NetIO)
src/detection/cpu/cpu_linux.c
+52 -15
View File
@@ -837,6 +837,46 @@ 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, ' ');
@@ -938,22 +978,19 @@ static const char* detectPhysicalCores(FFCPUResult* cpu) {
}
#endif
else if (ffStrEquals(vendor, "qcom")) {
// https://elixir.bootlin.com/linux/v6.11/source/arch/arm64/boot/dts/qcom
if (ffStrStartsWith(model, "x")) {
ffStrbufSetS(&cpu->name, "Qualcomm Snapdragon X Elite ");
for (const char* p = model + 1; *p; ++p) {
ffStrbufAppendC(&cpu->name, (char) toupper(*p));
// https://elixir.bootlin.com/linux/latest/source/arch/arm64/boot/dts/qcom
if (!detectSnapdragonX(&cpu->name, model)) {
if (ffStrStartsWith(model, "sc")) {
const char* code = model + 2;
uint32_t deviceId = (uint32_t) strtoul(code, nullptr, 10);
ffStrbufSetStatic(&cpu->name, ffCPUQualcommCodeToName(deviceId));
if (!cpu->name.length) {
ffStrbufAppendS(&cpu->name, "Qualcomm Snapdragon SC");
ffStrbufAppendS(&cpu->name, code);
}
} else {
ffStrbufSetS(&cpu->name, model);
}
} else if (ffStrStartsWith(model, "sc")) {
const char* code = model + 2;
uint32_t deviceId = (uint32_t) strtoul(code, nullptr, 10);
ffStrbufSetStatic(&cpu->name, ffCPUQualcommCodeToName(deviceId));
if (!cpu->name.length) {
ffStrbufAppendS(&cpu->name, "Qualcomm Snapdragon SC");
ffStrbufAppendS(&cpu->name, code);
}
} else {
ffStrbufSetS(&cpu->name, model);
}
ffStrbufSetStatic(&cpu->vendor, "Qualcomm");