Subversion Repositories neorv32

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// # << NEORV32: neorv32_rte.h - NEORV32 Runtime Environment >>                                    #
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// # BSD 3-Clause License                                                                          #
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// # The NEORV32 Processor - https://github.com/stnolting/neorv32              (c) Stephan Nolting #
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/**********************************************************************//**
 * @file neorv32_rte.h
 * @author Stephan Nolting
 * @brief NEORV32 Runtime Environment.
 **************************************************************************/
 
#ifndef neorv32_rte_h
#define neorv32_rte_h
 
/**********************************************************************//**
 * RTE trap IDs.
 **************************************************************************/
enum NEORV32_RTE_TRAP_enum {
  RTE_TRAP_I_MISALIGNED =  0, /**< Instruction address misaligned */
  RTE_TRAP_I_ACCESS     =  1, /**< Instruction (bus) access fault */
  RTE_TRAP_I_ILLEGAL    =  2, /**< Illegal instruction */
  RTE_TRAP_BREAKPOINT   =  3, /**< Breakpoint (EBREAK instruction) */
  RTE_TRAP_L_MISALIGNED =  4, /**< Load address misaligned */
  RTE_TRAP_L_ACCESS     =  5, /**< Load (bus) access fault */
  RTE_TRAP_S_MISALIGNED =  6, /**< Store address misaligned */
  RTE_TRAP_S_ACCESS     =  7, /**< Store (bus) access fault */
  RTE_TRAP_MENV_CALL    =  8, /**< Environment call from machine mode (ECALL instruction) */
  RTE_TRAP_MSI          =  9, /**< Machine software interrupt */
  RTE_TRAP_MTI          = 10, /**< Machine timer interrupt */
  RTE_TRAP_MEI          = 11, /**< Machine external interrupt */
  RTE_TRAP_FIRQ_0       = 12, /**< Fast interrupt channel 0 */
  RTE_TRAP_FIRQ_1       = 13, /**< Fast interrupt channel 1 */
  RTE_TRAP_FIRQ_2       = 14, /**< Fast interrupt channel 2 */
  RTE_TRAP_FIRQ_3       = 15  /**< Fast interrupt channel 3 */
};
 
// prototypes
void neorv32_rte_setup(void);
int  neorv32_rte_exception_install(uint8_t id, void (*handler)(void));
int  neorv32_rte_exception_uninstall(uint8_t id);
 
void neorv32_rte_print_hw_config(void);
void neorv32_rte_print_hw_version(void);
void neorv32_rte_print_credits(void);
void neorv32_rte_print_license(void);
 
#endif // neorv32_rte_h