Add some MIPS features

src/algorithms/libs/volk_gnsssdr_module/volk_gnsssdr/cpu_features/include/cpuinfo_mips.h

@@ -11,11 +11,20 @@ CPU_FEATURES_START_CPP_NAMESPACE
 
 typedef struct
 {
-    int msa : 1;  // MIPS SIMD Architecture
+    int msa : 1;     // MIPS SIMD Architecture
-                  // https://www.mips.com/products/architectures/ase/simd/
+                     // https://www.mips.com/products/architectures/ase/simd/
-    int eva : 1;  // Enhanced Virtual Addressing
+    int eva : 1;     // Enhanced Virtual Addressing
-                  // https://www.mips.com/products/architectures/mips64/
+                     // https://www.mips.com/products/architectures/mips64/
-    int r6 : 1;   // True if is release 6 of the processor.
+    int r6 : 1;      // True if is release 6 of the processor.
+    int mips16 : 1;  // Compressed instructions
+    int mdmx : 1;    // MIPS Digital Media Extension
+    int mips3d : 1;  // 3D graphics acceleration
+                     // MIPS(r) Architecture for Programmers, Volume IV-c
+    int smart : 1;   // Smart-card cryptography
+                     // MIPS(r) Architecture for Programmers, Volume IV-d
+    int dsp : 1;     // Digital Signal Processing
+                     // MIPS(r) Architecture for Programmers, Volume IV-e
+                     // https://www.mips.com/products/architectures/ase/dsp/
 
     // Make sure to update MipsFeaturesEnum below if you add a field here.
 } MipsFeatures;
@@ -35,6 +44,11 @@ typedef enum
     MIPS_MSA,
     MIPS_EVA,
     MIPS_R6,
+    MIPS_MIPS16,
+    MIPS_MDMX,
+    MIPS_MIPS3D,
+    MIPS_SMART,
+    MIPS_DSP,
     MIPS_LAST_,
 } MipsFeaturesEnum;
 

src/algorithms/libs/volk_gnsssdr_module/volk_gnsssdr/cpu_features/include/internal/hwcaps.h

@@ -105,6 +105,13 @@ CPU_FEATURES_START_CPP_NAMESPACE
 #define MIPS_HWCAP_R6 (1UL << 0)
 #define MIPS_HWCAP_MSA (1UL << 1)
 #define MIPS_HWCAP_CRC32 (1UL << 2)
+#define MIPS_HWCAP_MIPS16 (1UL << 3)
+#define MIPS_HWCAP_MDMX (1UL << 4)
+#define MIPS_HWCAP_MIPS3D (1UL << 5)
+#define MIPS_HWCAP_SMARTMIPS (1UL << 6)
+#define MIPS_HWCAP_DSP (1UL << 7)
+#define MIPS_HWCAP_DSP2 (1UL << 8)
+#define MIPS_HWCAP_DSP3 (1UL << 9)
 
 // http://elixir.free-electrons.com/linux/latest/source/arch/powerpc/include/uapi/asm/cputable.h
 #ifndef _UAPI__ASM_POWERPC_CPUTABLE_H

src/algorithms/libs/volk_gnsssdr_module/volk_gnsssdr/cpu_features/src/impl_mips_linux_or_android.c

@@ -11,10 +11,15 @@
 ////////////////////////////////////////////////////////////////////////////////
 // Definitions for introspection.
 ////////////////////////////////////////////////////////////////////////////////
-#define INTROSPECTION_TABLE                       \
+#define INTROSPECTION_TABLE                                       \
-    LINE(MIPS_MSA, msa, "msa", MIPS_HWCAP_MSA, 0) \
+    LINE(MIPS_MSA, msa, "msa", MIPS_HWCAP_MSA, 0)                 \
-    LINE(MIPS_EVA, eva, "eva", 0, 0)              \
+    LINE(MIPS_EVA, eva, "eva", 0, 0)                              \
-    LINE(MIPS_R6, r6, "r6", MIPS_HWCAP_R6, 0)
+    LINE(MIPS_R6, r6, "r6", MIPS_HWCAP_R6, 0)                     \
+    LINE(MIPS_MIPS16, mips16, "mips16", MIPS_HWCAP_MIPS16, 0)     \
+    LINE(MIPS_MDMX, mdmx, "mdmx", MIPS_HWCAP_MDMX, 0)             \
+    LINE(MIPS_MIPS3D, mips3d, "mips3d", MIPS_HWCAP_MIPS3D, 0)     \
+    LINE(MIPS_SMART, smart, "smartmips", MIPS_HWCAP_SMARTMIPS, 0) \
+    LINE(MIPS_DSP, dsp, "dsp", MIPS_HWCAP_DSP, 0)
 #define INTROSPECTION_PREFIX Mips
 #define INTROSPECTION_ENUM_PREFIX MIPS
 #include "define_introspection_and_hwcaps.inl"

src/algorithms/libs/volk_gnsssdr_module/volk_gnsssdr/cpu_features/test/cpuinfo_mips_test.cc

@@ -60,6 +60,12 @@ VPE : 0
     const auto info = GetMipsInfo();
     EXPECT_FALSE(info.features.msa);
     EXPECT_TRUE(info.features.eva);
+    EXPECT_FALSE(info.features.r6);
+    EXPECT_TRUE(info.features.mips16);
+    EXPECT_FALSE(info.features.mdmx);
+    EXPECT_FALSE(info.features.mips3d);
+    EXPECT_FALSE(info.features.smart);
+    EXPECT_TRUE(info.features.dsp);
 }
 
 TEST(CpuinfoMipsTest, AR7161)
@@ -87,6 +93,7 @@ VCEI exceptions         : not available
     const auto info = GetMipsInfo();
     EXPECT_FALSE(info.features.msa);
     EXPECT_FALSE(info.features.eva);
+    EXPECT_TRUE(info.features.mips16);
 }
 
 TEST(CpuinfoMipsTest, Goldfish)
@@ -115,5 +122,37 @@ VCEI exceptions		: not available
     EXPECT_FALSE(info.features.eva);
 }
 
+TEST(CpuinfoMipsTest, BCM1250)
+{
+    ResetHwcaps();
+    auto& fs = GetEmptyFilesystem();
+    fs.CreateFile("/proc/cpuinfo", R"(system type		: SiByte BCM91250A (SWARM)
+processor		: 0
+cpu model               : SiByte SB1 V0.2  FPU V0.2
+BogoMIPS                : 532.48
+wait instruction        : no
+microsecond timers      : yes
+tlb_entries             : 64
+extra interrupt vector  : yes
+hardware watchpoint     : yes, count: 1, address/irw mask: [0x0ff8]
+isa                     : mips1 mips2 mips3 mips4 mips5 mips32r1 mips32r2 mips64r1 mips64r2
+ASEs implemented        : mdmx mips3d
+shadow register sets    : 1
+kscratch registers      : 0
+package                 : 0
+core                    : 0
+VCED exceptions         : not available
+VCEI exceptions         : not available
+)");
+    const auto info = GetMipsInfo();
+    EXPECT_FALSE(info.features.msa);
+    EXPECT_FALSE(info.features.eva);
+    EXPECT_FALSE(info.features.mips16);
+    EXPECT_TRUE(info.features.mdmx);
+    EXPECT_TRUE(info.features.mips3d);
+    EXPECT_FALSE(info.features.smart);
+    EXPECT_FALSE(info.features.dsp);
+}
+
 }  // namespace
 }  // namespace cpu_features