Release 260111

panda/board/drivers/registers_declarations.h

@@ -0,0 +1,25 @@
+#pragma once
+
+typedef struct reg {
+  volatile uint32_t *address;
+  uint32_t value;
+  uint32_t check_mask;
+  bool logged_fault;
+} reg;
+
+// 10 bit hash with 23 as a prime
+#define REGISTER_MAP_SIZE 0x3FFU
+#define HASHING_PRIME 23U
+#define CHECK_COLLISION(hash, addr) (((uint32_t) register_map[hash].address != 0U) && (register_map[hash].address != (addr)))
+
+// Do not put bits in the check mask that get changed by the hardware
+void register_set(volatile uint32_t *addr, uint32_t val, uint32_t mask);
+// Set individual bits. Also add them to the check_mask.
+// Do not use this to change bits that get reset by the hardware
+void register_set_bits(volatile uint32_t *addr, uint32_t val);
+// Clear individual bits. Also add them to the check_mask.
+// Do not use this to clear bits that get set by the hardware
+void register_clear_bits(volatile uint32_t *addr, uint32_t val);
+// To be called periodically
+void check_registers(void);
+void init_registers(void);