Working ARM + Linux version

1 files changed, 20 insertions, 0 deletions

diff --git a/src/arm/linux/cp.h b/src/arm/linux/cp.h
new file mode 100644
index 0000000..2914a95
--- /dev/null
+++ b/src/arm/linux/cp.h
@@ -0,0 +1,20 @@
+#include <stdint.h>
+
+
+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;
+}
+
+static inline uint32_t read_wcid(void) {
+	uint32_t wcid;
+	__asm__ __volatile__("MRC p1, 0, %[wcid], c0, c0" : [wcid] "=r" (wcid));
+	return wcid;
+}