Initial commit

3rdparty/cpuinfo/src/arm/linux/cp.h

@@ -0,0 +1,44 @@
+#include <stdint.h>
+
+
+#if CPUINFO_MOCK
+	extern uint32_t cpuinfo_arm_fpsid;
+	extern uint32_t cpuinfo_arm_mvfr0;
+	extern uint32_t cpuinfo_arm_wcid;
+
+	static inline uint32_t read_fpsid(void) {
+		return cpuinfo_arm_fpsid;
+	}
+
+	static inline uint32_t read_mvfr0(void) {
+		return cpuinfo_arm_mvfr0;
+	}
+
+	static inline uint32_t read_wcid(void) {
+		return cpuinfo_arm_wcid;
+	}
+#else
+	#if !defined(__ARM_ARCH_7A__) && !defined(__ARM_ARCH_8A__) && !(defined(__ARM_ARCH) && (__ARM_ARCH >= 7))
+		/*
+		 * CoProcessor 10 is inaccessible from user mode since ARMv7,
+		 * and clang refuses to compile inline assembly when targeting ARMv7+
+		 */
+		static inline uint32_t read_fpsid(void) {
+			uint32_t fpsid;
+			__asm__ __volatile__("MRC p10, 0x7, %[fpsid], cr0, cr0, 0" : [fpsid] "=r" (fpsid));
+			return fpsid;
+		}
+
+		static inline uint32_t read_mvfr0(void) {
+			uint32_t mvfr0;
+			__asm__ __volatile__("MRC p10, 0x7, %[mvfr0], cr7, cr0, 0" : [mvfr0] "=r" (mvfr0));
+			return mvfr0;
+		}
+	#endif
+
+	static inline uint32_t read_wcid(void) {
+		uint32_t wcid;
+		__asm__ __volatile__("MRC p1, 0, %[wcid], c0, c0" : [wcid] "=r" (wcid));
+		return wcid;
+	}
+#endif