ra8_board_ek_ra8d2_dualcore.h

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#pragma once
 
#ifdef __cplusplus
extern "C" {
#endif
 
#include <stdint.h>
 
#include "ra8_err.h"

typedef enum : uintptr_t {
  k_ra8_board_shared_ram_base = 0x22100000UL, 
  k_ra8_board_cpu1_sram_base  = 0x22190000UL, 
  k_ra8_board_cpu1_image_base = 0x020C0000UL, 
} ra8_board_dualcore_addr_t;

typedef enum : uint32_t {
  k_ra8_board_shared_ram_size_bytes = 0x90000UL, 
  k_ra8_board_cpu1_sram_size_bytes  = 0x10000UL, 
  k_ra8_board_cpu1_image_size_bytes = 0x40000UL, 
} ra8_board_dualcore_size_t;
 
static_assert((uintptr_t)k_ra8_board_shared_ram_base < (uintptr_t)k_ra8_board_cpu1_sram_base,
              "the shared window must start below CPU1's private SRAM bank");
static_assert((uintptr_t)k_ra8_board_shared_ram_base +
                  (uintptr_t)k_ra8_board_shared_ram_size_bytes ==
                (uintptr_t)k_ra8_board_cpu1_sram_base,
              "the shared window must end exactly where CPU1's private bank begins");

typedef struct {
  void*    base;          
  uint32_t size_bytes;    
  bool     non_cacheable; 
} ra8_board_shared_ram_t;

[[nodiscard]] ra8_err_t ra8_board_shared_ram(ra8_board_shared_ram_t* out);
 
#ifdef __cplusplus
}
#endif