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#include "neorv32_rte.h"
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#include "neorv32_rte.h"
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/**********************************************************************//**
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/**********************************************************************//**
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* The >private< trap vector look-up table of the NEORV32 RTE.
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* The >private< trap vector look-up table of the NEORV32 RTE.
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**************************************************************************/
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**************************************************************************/
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static uint32_t __neorv32_rte_vector_lut[17] __attribute__((unused)); // trap handler vector table
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static uint32_t __neorv32_rte_vector_lut[21] __attribute__((unused)); // trap handler vector table
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// private functions
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// private functions
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static void __attribute__((__interrupt__)) __neorv32_rte_core(void) __attribute__((aligned(16))) __attribute__((unused));
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static void __attribute__((__interrupt__)) __neorv32_rte_core(void) __attribute__((aligned(16))) __attribute__((unused));
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static void __neorv32_rte_debug_exc_handler(void) __attribute__((unused));
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static void __neorv32_rte_debug_exc_handler(void) __attribute__((unused));
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static void __neorv32_rte_print_true_false(int state) __attribute__((unused));
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static void __neorv32_rte_print_true_false(int state) __attribute__((unused));
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static void __neorv32_rte_print_hex_word(uint32_t num);
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static void __neorv32_rte_print_hex_word(uint32_t num);
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static int __neorv32_rte_check_exc_id(uint32_t id);
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/**********************************************************************//**
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/**********************************************************************//**
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* Setup NEORV32 runtime environment.
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* Setup NEORV32 runtime environment.
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*
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*
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* @return 0 if success, 1 if error (invalid id or targeted exception not supported).
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* @return 0 if success, 1 if error (invalid id or targeted exception not supported).
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**************************************************************************/
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**************************************************************************/
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int neorv32_rte_exception_install(uint8_t id, void (*handler)(void)) {
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int neorv32_rte_exception_install(uint8_t id, void (*handler)(void)) {
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// id valid?
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// id valid?
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if ((id == RTE_TRAP_I_MISALIGNED) || (id == RTE_TRAP_I_ACCESS) || (id == RTE_TRAP_I_ILLEGAL) ||
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if (__neorv32_rte_check_exc_id(id) == 0) {
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(id == RTE_TRAP_BREAKPOINT) || (id == RTE_TRAP_L_MISALIGNED) || (id == RTE_TRAP_L_ACCESS) ||
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(id == RTE_TRAP_S_MISALIGNED) || (id == RTE_TRAP_S_ACCESS) || (id == RTE_TRAP_MENV_CALL) || (id == RTE_TRAP_UENV_CALL) ||
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(id == RTE_TRAP_MSI) || (id == RTE_TRAP_MTI) || (id == RTE_TRAP_MEI) ||
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(id == RTE_TRAP_FIRQ_0) || (id == RTE_TRAP_FIRQ_1) || (id == RTE_TRAP_FIRQ_2) || (id == RTE_TRAP_FIRQ_3)) {
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__neorv32_rte_vector_lut[id] = (uint32_t)handler; // install handler
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__neorv32_rte_vector_lut[id] = (uint32_t)handler; // install handler
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return 0;
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return 0;
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}
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}
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return 1;
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return 1;
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}
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}
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* @return 0 if success, 1 if error (invalid id or targeted exception not supported).
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* @return 0 if success, 1 if error (invalid id or targeted exception not supported).
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**************************************************************************/
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**************************************************************************/
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int neorv32_rte_exception_uninstall(uint8_t id) {
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int neorv32_rte_exception_uninstall(uint8_t id) {
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// id valid?
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// id valid?
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if ((id == RTE_TRAP_I_MISALIGNED) || (id == RTE_TRAP_I_ACCESS) || (id == RTE_TRAP_I_ILLEGAL) ||
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if (__neorv32_rte_check_exc_id(id) == 0) {
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(id == RTE_TRAP_BREAKPOINT) || (id == RTE_TRAP_L_MISALIGNED) || (id == RTE_TRAP_L_ACCESS) ||
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(id == RTE_TRAP_S_MISALIGNED) || (id == RTE_TRAP_S_ACCESS) || (id == RTE_TRAP_MENV_CALL) || (id == RTE_TRAP_UENV_CALL) ||
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(id == RTE_TRAP_MSI) || (id == RTE_TRAP_MTI) || (id == RTE_TRAP_MEI) ||
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(id == RTE_TRAP_FIRQ_0) || (id == RTE_TRAP_FIRQ_1) || (id == RTE_TRAP_FIRQ_2) || (id == RTE_TRAP_FIRQ_3)) {
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__neorv32_rte_vector_lut[id] = (uint32_t)(&__neorv32_rte_debug_exc_handler); // use dummy handler in case the exception is accidently triggered
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__neorv32_rte_vector_lut[id] = (uint32_t)(&__neorv32_rte_debug_exc_handler); // use dummy handler in case the exception is accidently triggered
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return 0;
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return 0;
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}
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}
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return 1;
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return 1;
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}
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}
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case TRAP_CODE_MEI: rte_handler = __neorv32_rte_vector_lut[RTE_TRAP_MEI]; break;
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case TRAP_CODE_MEI: rte_handler = __neorv32_rte_vector_lut[RTE_TRAP_MEI]; break;
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case TRAP_CODE_FIRQ_0: rte_handler = __neorv32_rte_vector_lut[RTE_TRAP_FIRQ_0]; break;
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case TRAP_CODE_FIRQ_0: rte_handler = __neorv32_rte_vector_lut[RTE_TRAP_FIRQ_0]; break;
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case TRAP_CODE_FIRQ_1: rte_handler = __neorv32_rte_vector_lut[RTE_TRAP_FIRQ_1]; break;
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case TRAP_CODE_FIRQ_1: rte_handler = __neorv32_rte_vector_lut[RTE_TRAP_FIRQ_1]; break;
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case TRAP_CODE_FIRQ_2: rte_handler = __neorv32_rte_vector_lut[RTE_TRAP_FIRQ_2]; break;
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case TRAP_CODE_FIRQ_2: rte_handler = __neorv32_rte_vector_lut[RTE_TRAP_FIRQ_2]; break;
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case TRAP_CODE_FIRQ_3: rte_handler = __neorv32_rte_vector_lut[RTE_TRAP_FIRQ_3]; break;
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case TRAP_CODE_FIRQ_3: rte_handler = __neorv32_rte_vector_lut[RTE_TRAP_FIRQ_3]; break;
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case TRAP_CODE_FIRQ_4: rte_handler = __neorv32_rte_vector_lut[RTE_TRAP_FIRQ_4]; break;
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case TRAP_CODE_FIRQ_5: rte_handler = __neorv32_rte_vector_lut[RTE_TRAP_FIRQ_5]; break;
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case TRAP_CODE_FIRQ_6: rte_handler = __neorv32_rte_vector_lut[RTE_TRAP_FIRQ_6]; break;
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case TRAP_CODE_FIRQ_7: rte_handler = __neorv32_rte_vector_lut[RTE_TRAP_FIRQ_7]; break;
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default: break;
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default: break;
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}
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}
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// execute handler
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// execute handler
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void (*handler_pnt)(void);
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void (*handler_pnt)(void);
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case TRAP_CODE_UENV_CALL: neorv32_uart_print("Environment call from U-mode"); break;
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case TRAP_CODE_UENV_CALL: neorv32_uart_print("Environment call from U-mode"); break;
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case TRAP_CODE_MENV_CALL: neorv32_uart_print("Environment call from M-mode"); break;
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case TRAP_CODE_MENV_CALL: neorv32_uart_print("Environment call from M-mode"); break;
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case TRAP_CODE_MSI: neorv32_uart_print("Machine software interrupt"); break;
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case TRAP_CODE_MSI: neorv32_uart_print("Machine software interrupt"); break;
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case TRAP_CODE_MTI: neorv32_uart_print("Machine timer interrupt"); break;
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case TRAP_CODE_MTI: neorv32_uart_print("Machine timer interrupt"); break;
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case TRAP_CODE_MEI: neorv32_uart_print("Machine external interrupt"); break;
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case TRAP_CODE_MEI: neorv32_uart_print("Machine external interrupt"); break;
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case TRAP_CODE_FIRQ_0: neorv32_uart_print("Fast interrupt 0"); break;
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case TRAP_CODE_FIRQ_0:
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case TRAP_CODE_FIRQ_1: neorv32_uart_print("Fast interrupt 1"); break;
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case TRAP_CODE_FIRQ_1:
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case TRAP_CODE_FIRQ_2: neorv32_uart_print("Fast interrupt 2"); break;
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case TRAP_CODE_FIRQ_2:
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case TRAP_CODE_FIRQ_3: neorv32_uart_print("Fast interrupt 3"); break;
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case TRAP_CODE_FIRQ_3:
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case TRAP_CODE_FIRQ_4:
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case TRAP_CODE_FIRQ_5:
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case TRAP_CODE_FIRQ_6:
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case TRAP_CODE_FIRQ_7: neorv32_uart_print("Fast interrupt "); neorv32_uart_putc((char)('0' + (trap_cause & 0x7))); break;
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default: neorv32_uart_print("Unknown trap cause: "); __neorv32_rte_print_hex_word(trap_cause); break;
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default: neorv32_uart_print("Unknown trap cause: "); __neorv32_rte_print_hex_word(trap_cause); break;
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}
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}
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// instruction address
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// instruction address
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neorv32_uart_print(" @ PC=");
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neorv32_uart_print(" @ PC=");
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__neorv32_rte_print_true_false(tmp & (1 << SYSINFO_FEATURES_IO_WDT));
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__neorv32_rte_print_true_false(tmp & (1 << SYSINFO_FEATURES_IO_WDT));
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neorv32_uart_printf("TRNG - ");
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neorv32_uart_printf("TRNG - ");
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__neorv32_rte_print_true_false(tmp & (1 << SYSINFO_FEATURES_IO_TRNG));
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__neorv32_rte_print_true_false(tmp & (1 << SYSINFO_FEATURES_IO_TRNG));
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neorv32_uart_printf("CFU0 - ");
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neorv32_uart_printf("CFS - ");
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__neorv32_rte_print_true_false(tmp & (1 << SYSINFO_FEATURES_IO_CFU0));
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__neorv32_rte_print_true_false(tmp & (1 << SYSINFO_FEATURES_IO_CFS));
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neorv32_uart_printf("CFU1 - ");
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__neorv32_rte_print_true_false(tmp & (1 << SYSINFO_FEATURES_IO_CFU1));
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}
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}
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/**********************************************************************//**
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/**********************************************************************//**
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* NEORV32 runtime environment: Private function to print true or false.
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* NEORV32 runtime environment: Private function to print true or false.
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neorv32_uart_putc(hex_symbols[index]);
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neorv32_uart_putc(hex_symbols[index]);
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}
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}
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}
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}
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/**********************************************************************//**
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* NEORV32 runtime environment: Private function to check exception id
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* as 8-digit hexadecimal value (with "0x" suffix).
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*
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* @param[in] id Exception id (#NEORV32_RTE_TRAP_enum).
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* @return Return 0 if id is valid
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**************************************************************************/
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static int __neorv32_rte_check_exc_id(uint32_t id) {
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// id valid?
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if ((id == RTE_TRAP_I_MISALIGNED) || (id == RTE_TRAP_I_ACCESS) || (id == RTE_TRAP_I_ILLEGAL) ||
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(id == RTE_TRAP_BREAKPOINT) || (id == RTE_TRAP_L_MISALIGNED) || (id == RTE_TRAP_L_ACCESS) ||
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(id == RTE_TRAP_S_MISALIGNED) || (id == RTE_TRAP_S_ACCESS) || (id == RTE_TRAP_MENV_CALL) || (id == RTE_TRAP_UENV_CALL) ||
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(id == RTE_TRAP_MSI) || (id == RTE_TRAP_MTI) || (id == RTE_TRAP_MEI) ||
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(id == RTE_TRAP_FIRQ_0) || (id == RTE_TRAP_FIRQ_1) || (id == RTE_TRAP_FIRQ_2) || (id == RTE_TRAP_FIRQ_3) ||
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(id == RTE_TRAP_FIRQ_4) || (id == RTE_TRAP_FIRQ_5) || (id == RTE_TRAP_FIRQ_6) || (id == RTE_TRAP_FIRQ_7)) {
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return 0;
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}
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else {
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return 1;
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}
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}
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/**********************************************************************//**
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/**********************************************************************//**
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* NEORV32 runtime environment: Print the processor version in human-readable format.
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* NEORV32 runtime environment: Print the processor version in human-readable format.
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**************************************************************************/
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**************************************************************************/
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void neorv32_rte_print_hw_version(void) {
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void neorv32_rte_print_hw_version(void) {
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Line 563... |
for (u=0; u<11; u++) {
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for (u=0; u<11; u++) {
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neorv32_uart_print("\n");
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neorv32_uart_print("\n");
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for (v=0; v<4; v++) {
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for (v=0; v<4; v++) {
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tmp = logo_data_c[u][v];
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tmp = logo_data_c[u][v];
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for (w=0; w<32; w++){
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for (w=0; w<32; w++){
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if (tmp & (1 << (31-w))) {
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if (tmp & 0x80000000UL) { // check MSB
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neorv32_uart_putc('#');
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neorv32_uart_putc('#');
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}
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}
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else {
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else {
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neorv32_uart_putc(' ');
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neorv32_uart_putc(' ');
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}
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}
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tmp <<= 1;
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}
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}
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}
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}
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}
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}
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neorv32_uart_print("\n");
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neorv32_uart_print("\n");
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}
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}
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