diff options
Diffstat (limited to 'FreeRTOS/Demo/RISC-V_RV64_PolarFire_SoftConsole/polarfire_hal/platform/mpfs_hal/common/mss_mtrap.c')
| -rw-r--r-- | FreeRTOS/Demo/RISC-V_RV64_PolarFire_SoftConsole/polarfire_hal/platform/mpfs_hal/common/mss_mtrap.c | 783 |
1 files changed, 783 insertions, 0 deletions
diff --git a/FreeRTOS/Demo/RISC-V_RV64_PolarFire_SoftConsole/polarfire_hal/platform/mpfs_hal/common/mss_mtrap.c b/FreeRTOS/Demo/RISC-V_RV64_PolarFire_SoftConsole/polarfire_hal/platform/mpfs_hal/common/mss_mtrap.c new file mode 100644 index 000000000..2226d7bf0 --- /dev/null +++ b/FreeRTOS/Demo/RISC-V_RV64_PolarFire_SoftConsole/polarfire_hal/platform/mpfs_hal/common/mss_mtrap.c @@ -0,0 +1,783 @@ +/******************************************************************************* + * Copyright 2019-2021 Microchip FPGA Embedded Systems Solutions. + * + * SPDX-License-Identifier: MIT + * + * MPFS HAL Embedded Software + * + */ + +/*************************************************************************** + * + * @file mss_mtrap.c + * @author Microchip-FPGA Embedded Systems Solutions + * @brief trap functions + * + */ +#include "mpfs_hal/mss_hal.h" + +#ifdef __cplusplus +extern "C" { +#endif + + + +void handle_local_interrupt(uint8_t interrupt_no); +void handle_m_soft_interrupt(void); +void handle_m_timer_interrupt(void); +void illegal_insn_trap(uintptr_t * regs, uintptr_t mcause, uintptr_t mepc); +void misaligned_store_trap(uintptr_t * regs, uintptr_t mcause, uintptr_t mepc); +void misaligned_load_trap(uintptr_t * regs, uintptr_t mcause, uintptr_t mepc); +void pmp_trap(uintptr_t * regs, uintptr_t mcause, uintptr_t mepc); +void trap_from_machine_mode(uintptr_t * regs, uintptr_t dummy, uintptr_t mepc); +void bad_trap(uintptr_t* regs, uintptr_t dummy, uintptr_t mepc); + + +void bad_trap(uintptr_t* regs, uintptr_t dummy, uintptr_t mepc) +{ + (void)regs; + (void)dummy; + (void)mepc; + while(1) + { + } +} + +void misaligned_store_trap(uintptr_t * regs, uintptr_t mcause, uintptr_t mepc) +{ + (void)regs; + (void)mcause; + (void)mepc; + while(1) + { + } +} + +void misaligned_load_trap(uintptr_t * regs, uintptr_t mcause, uintptr_t mepc) +{ + (void)regs; + (void)mcause; + (void)mepc; + while(1) + { + } +} + +void illegal_insn_trap(uintptr_t * regs, uintptr_t mcause, uintptr_t mepc) +{ + (void)regs; + (void)mcause; + (void)mepc; + while(1) + { + } +} + +void pmp_trap(uintptr_t * regs, uintptr_t mcause, uintptr_t mepc) +{ + (void)regs; + (void)mcause; + (void)mepc; + while(1) + { + } +} + +/*------------------------------------------------------------------------------ + * RISC-V interrupt handler for external interrupts. + */ +#ifndef SIFIVE_HIFIVE_UNLEASHED +uint8_t (*ext_irq_handler_table[PLIC_NUM_SOURCES])(void) = +{ + Invalid_IRQHandler, + l2_metadata_corr_IRQHandler, + l2_metadata_uncorr_IRQHandler, + l2_data_corr_IRQHandler, + l2_data_uncorr_IRQHandler, + dma_ch0_DONE_IRQHandler, + dma_ch0_ERR_IRQHandler, + dma_ch1_DONE_IRQHandler, + dma_ch1_ERR_IRQHandler, + dma_ch2_DONE_IRQHandler, + dma_ch2_ERR_IRQHandler, + dma_ch3_DONE_IRQHandler, + dma_ch3_ERR_IRQHandler, + gpio0_bit0_or_gpio2_bit13_plic_0_IRQHandler, + gpio0_bit1_or_gpio2_bit13_plic_1_IRQHandler, + gpio0_bit2_or_gpio2_bit13_plic_2_IRQHandler, + gpio0_bit3_or_gpio2_bit13_plic_3_IRQHandler, + gpio0_bit4_or_gpio2_bit13_plic_4_IRQHandler, + gpio0_bit5_or_gpio2_bit13_plic_5_IRQHandler, + gpio0_bit6_or_gpio2_bit13_plic_6_IRQHandler, + gpio0_bit7_or_gpio2_bit13_plic_7_IRQHandler, + gpio0_bit8_or_gpio2_bit13_plic_8_IRQHandler, + gpio0_bit9_or_gpio2_bit13_plic_9_IRQHandler, + gpio0_bit10_or_gpio2_bit13_plic_10_IRQHandler, + gpio0_bit11_or_gpio2_bit13_plic_11_IRQHandler, + gpio0_bit12_or_gpio2_bit13_plic_12_IRQHandler, + + gpio0_bit13_or_gpio2_bit13_plic_13_IRQHandler, + gpio1_bit0_or_gpio2_bit14_plic_14_IRQHandler, + gpio1_bit1_or_gpio2_bit15_plic_15_IRQHandler, + gpio1_bit2_or_gpio2_bit16_plic_16_IRQHandler, + gpio1_bit3_or_gpio2_bit17_plic_17_IRQHandler, + gpio1_bit4_or_gpio2_bit18_plic_18_IRQHandler, + gpio1_bit5_or_gpio2_bit19_plic_19_IRQHandler, + gpio1_bit6_or_gpio2_bit20_plic_20_IRQHandler, + gpio1_bit7_or_gpio2_bit21_plic_21_IRQHandler, + gpio1_bit8_or_gpio2_bit22_plic_22_IRQHandler, + gpio1_bit9_or_gpio2_bit23_plic_23_IRQHandler, + gpio1_bit10_or_gpio2_bit24_plic_24_IRQHandler, + gpio1_bit11_or_gpio2_bit25_plic_25_IRQHandler, + gpio1_bit12_or_gpio2_bit26_plic_26_IRQHandler, + gpio1_bit13_or_gpio2_bit27_plic_27_IRQHandler, + + gpio1_bit14_or_gpio2_bit28_plic_28_IRQHandler, + gpio1_bit15_or_gpio2_bit29_plic_29_IRQHandler, + gpio1_bit16_or_gpio2_bit30_plic_30_IRQHandler, + gpio1_bit17_or_gpio2_bit31_plic_31_IRQHandler, + + gpio1_bit18_plic_32_IRQHandler, + gpio1_bit19_plic_33_IRQHandler, + gpio1_bit20_plic_34_IRQHandler, + gpio1_bit21_plic_35_IRQHandler, + gpio1_bit22_plic_36_IRQHandler, + gpio1_bit23_plic_37_IRQHandler, + + gpio0_non_direct_plic_IRQHandler, + gpio1_non_direct_plic_IRQHandler, + gpio2_non_direct_plic_IRQHandler, + + spi0_plic_IRQHandler, + spi1_plic_IRQHandler, + external_can0_plic_IRQHandler, + can1_IRQHandler, + External_i2c0_main_plic_IRQHandler, + External_i2c0_alert_plic_IRQHandler, + i2c0_sus_plic_IRQHandler, + i2c1_main_plic_IRQHandler, + i2c1_alert_plic_IRQHandler, + i2c1_sus_plic_IRQHandler, + mac0_int_plic_IRQHandler, + mac0_queue1_plic_IRQHandler, + mac0_queue2_plic_IRQHandler, + mac0_queue3_plic_IRQHandler, + mac0_emac_plic_IRQHandler, + mac0_mmsl_plic_IRQHandler, + mac1_int_plic_IRQHandler, + mac1_queue1_plic_IRQHandler, + mac1_queue2_plic_IRQHandler, + mac1_queue3_plic_IRQHandler, + mac1_emac_plic_IRQHandler, + mac1_mmsl_plic_IRQHandler, + ddrc_train_plic_IRQHandler, + scb_interrupt_plic_IRQHandler, + ecc_error_plic_IRQHandler, + ecc_correct_plic_IRQHandler, + rtc_wakeup_plic_IRQHandler, + rtc_match_plic_IRQHandler, + timer1_plic_IRQHandler, + timer2_plic_IRQHandler, + envm_plic_IRQHandler, + qspi_plic_IRQHandler, + usb_dma_plic_IRQHandler, + usb_mc_plic_IRQHandler, + mmc_main_plic_IRQHandler, + mmc_wakeup_plic_IRQHandler, + mmuart0_plic_77_IRQHandler, + mmuart1_plic_IRQHandler, + mmuart2_plic_IRQHandler, + mmuart3_plic_IRQHandler, + mmuart4_plic_IRQHandler, + + g5c_devrst_plic_IRQHandler, + g5c_message_plic_IRQHandler, + usoc_vc_interrupt_plic_IRQHandler, + usoc_smb_interrupt_plic_IRQHandler, + e51_0_Maintence_plic_IRQHandler, + + wdog0_mvrp_plic_IRQHandler, + wdog1_mvrp_plic_IRQHandler, /*100 contains multiple interrupts- */ + wdog2_mvrp_plic_IRQHandler, + wdog3_mvrp_plic_IRQHandler, + wdog4_mvrp_plic_IRQHandler, + wdog0_tout_plic_IRQHandler, + wdog1_tout_plic_IRQHandler, + wdog2_tout_plic_IRQHandler, + wdog3_tout_plic_IRQHandler, + wdog4_tout_plic_IRQHandler, + + g5c_mss_spi_plic_IRQHandler, + volt_temp_alarm_plic_IRQHandler, + athena_complete_plic_IRQHandler, + athena_alarm_plic_IRQHandler, + athena_bus_error_plic_IRQHandler, + usoc_axic_us_plic_IRQHandler, + usoc_axic_ds_plic_IRQHandler, + + reserved_104_plic_IRQHandler, + + fabric_f2h_0_plic_IRQHandler, + fabric_f2h_1_plic_IRQHandler, + fabric_f2h_2_plic_IRQHandler, + fabric_f2h_3_plic_IRQHandler, + fabric_f2h_4_plic_IRQHandler, + fabric_f2h_5_plic_IRQHandler, + fabric_f2h_6_plic_IRQHandler, + fabric_f2h_7_plic_IRQHandler, + fabric_f2h_8_plic_IRQHandler, + fabric_f2h_9_plic_IRQHandler, + + fabric_f2h_10_plic_IRQHandler, + fabric_f2h_11_plic_IRQHandler, + fabric_f2h_12_plic_IRQHandler, + fabric_f2h_13_plic_IRQHandler, + fabric_f2h_14_plic_IRQHandler, + fabric_f2h_15_plic_IRQHandler, + fabric_f2h_16_plic_IRQHandler, + fabric_f2h_17_plic_IRQHandler, + fabric_f2h_18_plic_IRQHandler, + fabric_f2h_19_plic_IRQHandler, + + fabric_f2h_20_plic_IRQHandler, + fabric_f2h_21_plic_IRQHandler, + fabric_f2h_22_plic_IRQHandler, + fabric_f2h_23_plic_IRQHandler, + fabric_f2h_24_plic_IRQHandler, + fabric_f2h_25_plic_IRQHandler, + fabric_f2h_26_plic_IRQHandler, + fabric_f2h_27_plic_IRQHandler, + fabric_f2h_28_plic_IRQHandler, + fabric_f2h_29_plic_IRQHandler, + + fabric_f2h_30_plic_IRQHandler, + fabric_f2h_31_plic_IRQHandler, + + fabric_f2h_32_plic_IRQHandler, + fabric_f2h_33_plic_IRQHandler, + fabric_f2h_34_plic_IRQHandler, + fabric_f2h_35_plic_IRQHandler, + fabric_f2h_36_plic_IRQHandler, + fabric_f2h_37_plic_IRQHandler, + fabric_f2h_38_plic_IRQHandler, + fabric_f2h_39_plic_IRQHandler, + fabric_f2h_40_plic_IRQHandler, + fabric_f2h_41_plic_IRQHandler, + + fabric_f2h_42_plic_IRQHandler, + fabric_f2h_43_plic_IRQHandler, + fabric_f2h_44_plic_IRQHandler, + fabric_f2h_45_plic_IRQHandler, + fabric_f2h_46_plic_IRQHandler, + fabric_f2h_47_plic_IRQHandler, + fabric_f2h_48_plic_IRQHandler, + fabric_f2h_49_plic_IRQHandler, + fabric_f2h_50_plic_IRQHandler, + fabric_f2h_51_plic_IRQHandler, + + fabric_f2h_52_plic_IRQHandler, + fabric_f2h_53_plic_IRQHandler, + fabric_f2h_54_plic_IRQHandler, + fabric_f2h_55_plic_IRQHandler, + fabric_f2h_56_plic_IRQHandler, + fabric_f2h_57_plic_IRQHandler, + fabric_f2h_58_plic_IRQHandler, + fabric_f2h_59_plic_IRQHandler, + fabric_f2h_60_plic_IRQHandler, + fabric_f2h_61_plic_IRQHandler, + + fabric_f2h_62_plic_IRQHandler, + fabric_f2h_63_plic_IRQHandler, + + bus_error_unit_hart_0_plic_IRQHandler, + bus_error_unit_hart_1_plic_IRQHandler, + bus_error_unit_hart_2_plic_IRQHandler, + bus_error_unit_hart_3_plic_IRQHandler, + bus_error_unit_hart_4_plic_IRQHandler +}; + +#define E51_LOCAL_NUM_SOURCES 48U + + +void (*local_irq_handler_e51_table[E51_LOCAL_NUM_SOURCES])(void) = +{ + maintenance_e51_local_IRQHandler_0, /* reference multiple interrupts */ + usoc_smb_interrupt_e51_local_IRQHandler_1, + usoc_vc_interrupt_e51_local_IRQHandler_2, + g5c_message_e51_local_IRQHandler_3, + g5c_devrst_e51_local_IRQHandler_4, + wdog4_tout_e51_local_IRQHandler_5, + wdog3_tout_e51_local_IRQHandler_6, + wdog2_tout_e51_local_IRQHandler_7, + wdog1_tout_e51_local_IRQHandler_8, + wdog0_tout_e51_local_IRQHandler_9, + wdog0_mvrp_e51_local_IRQHandler_10, + mmuart0_e51_local_IRQHandler_11, + envm_e51_local_IRQHandler_12, + ecc_correct_e51_local_IRQHandler_13, + ecc_error_e51_local_IRQHandler_14, + scb_interrupt_e51_local_IRQHandler_15, + fabric_f2h_32_e51_local_IRQHandler_16, + fabric_f2h_33_e51_local_IRQHandler_17, + fabric_f2h_34_e51_local_IRQHandler_18, + fabric_f2h_35_e51_local_IRQHandler_19, + fabric_f2h_36_e51_local_IRQHandler_20, + fabric_f2h_37_e51_local_IRQHandler_21, + fabric_f2h_38_e51_local_IRQHandler_22, + fabric_f2h_39_e51_local_IRQHandler_23, + fabric_f2h_40_e51_local_IRQHandler_24, + fabric_f2h_41_e51_local_IRQHandler_25, + + fabric_f2h_42_e51_local_IRQHandler_26, + fabric_f2h_43_e51_local_IRQHandler_27, + fabric_f2h_44_e51_local_IRQHandler_28, + fabric_f2h_45_e51_local_IRQHandler_29, + fabric_f2h_46_e51_local_IRQHandler_30, + fabric_f2h_47_e51_local_IRQHandler_31, + fabric_f2h_48_e51_local_IRQHandler_32, + fabric_f2h_49_e51_local_IRQHandler_33, + fabric_f2h_50_e51_local_IRQHandler_34, + fabric_f2h_51_e51_local_IRQHandler_35, + + fabric_f2h_52_e51_local_IRQHandler_36, + fabric_f2h_53_e51_local_IRQHandler_37, + fabric_f2h_54_e51_local_IRQHandler_38, + fabric_f2h_55_e51_local_IRQHandler_39, + fabric_f2h_56_e51_local_IRQHandler_40, + fabric_f2h_57_e51_local_IRQHandler_41, + fabric_f2h_58_e51_local_IRQHandler_42, + fabric_f2h_59_e51_local_IRQHandler_43, + fabric_f2h_60_e51_local_IRQHandler_44, + fabric_f2h_61_e51_local_IRQHandler_45, + + fabric_f2h_62_e51_local_IRQHandler_46, + fabric_f2h_63_e51_local_IRQHandler_47 +}; + + +typedef void (*local_int_p_t)(void); + +/* U54 1 */ +local_int_p_t local_irq_handler_u54_1_table[E51_LOCAL_NUM_SOURCES] = +{ + /*reference multiple interrupts*/ + spare_u54_local_IRQHandler_0, + spare_u54_local_IRQHandler_1, + spare_u54_local_IRQHandler_2, + + /*parse hart ID to discover which mac is the source*/ + mac_mmsl_u54_1_local_IRQHandler_3, + mac_emac_u54_1_local_IRQHandler_4, + mac_queue3_u54_1_local_IRQHandler_5, + mac_queue2_u54_1_local_IRQHandler_6, + mac_queue1_u54_1_local_IRQHandler_7, + mac_int_u54_1_local_IRQHandler_8, + + /*parse hart ID to discover which wdog is the source*/ + wdog_tout_u54_h1_local_IRQHandler_9, + mvrp_u54_local_IRQHandler_10, + mmuart_u54_h1_local_IRQHandler_11, + + spare_u54_local_IRQHandler_12, + spare_u54_local_IRQHandler_13, + spare_u54_local_IRQHandler_14, + spare_u54_local_IRQHandler_15, + + fabric_f2h_0_u54_local_IRQHandler_16, + fabric_f2h_1_u54_local_IRQHandler_17, + fabric_f2h_2_u54_local_IRQHandler_18, + fabric_f2h_3_u54_local_IRQHandler_19, + fabric_f2h_4_u54_local_IRQHandler_20, + fabric_f2h_5_u54_local_IRQHandler_21, + fabric_f2h_6_u54_local_IRQHandler_22, + fabric_f2h_7_u54_local_IRQHandler_23, + fabric_f2h_8_u54_local_IRQHandler_24, + fabric_f2h_9_u54_local_IRQHandler_25, + + fabric_f2h_10_u54_local_IRQHandler_26, + fabric_f2h_11_u54_local_IRQHandler_27, + fabric_f2h_12_u54_local_IRQHandler_28, + fabric_f2h_13_u54_local_IRQHandler_29, + fabric_f2h_14_u54_local_IRQHandler_30, + fabric_f2h_15_u54_local_IRQHandler_31, + fabric_f2h_16_u54_local_IRQHandler_32, + fabric_f2h_17_u54_local_IRQHandler_33, + fabric_f2h_18_u54_local_IRQHandler_34, + fabric_f2h_19_u54_local_IRQHandler_35, + + fabric_f2h_20_u54_local_IRQHandler_36, + fabric_f2h_21_u54_local_IRQHandler_37, + fabric_f2h_22_u54_local_IRQHandler_38, + fabric_f2h_23_u54_local_IRQHandler_39, + fabric_f2h_24_u54_local_IRQHandler_40, + fabric_f2h_25_u54_local_IRQHandler_41, + fabric_f2h_26_u54_local_IRQHandler_42, + fabric_f2h_27_u54_local_IRQHandler_43, + fabric_f2h_28_u54_local_IRQHandler_44, + fabric_f2h_29_u54_local_IRQHandler_45, + + fabric_f2h_30_u54_local_IRQHandler_46, + fabric_f2h_31_u54_local_IRQHandler_47 +}; + +/* U54 2 */ +local_int_p_t local_irq_handler_u54_2_table[E51_LOCAL_NUM_SOURCES] = +{ + /*reference multiple interrupts*/ + spare_u54_local_IRQHandler_0, + spare_u54_local_IRQHandler_1, + spare_u54_local_IRQHandler_2, + + /*parse hart ID to discover which mac is the source*/ + mac_mmsl_u54_2_local_IRQHandler_3, + mac_emac_u54_2_local_IRQHandler_4, + mac_queue3_u54_2_local_IRQHandler_5, + mac_queue2_u54_2_local_IRQHandler_6, + mac_queue1_u54_2_local_IRQHandler_7, + mac_int_u54_2_local_IRQHandler_8, + + /*parse hart ID to discover which wdog is the source*/ + wdog_tout_u54_h2_local_IRQHandler_9, + mvrp_u54_local_IRQHandler_10, + mmuart_u54_h2_local_IRQHandler_11, + + spare_u54_local_IRQHandler_12, + spare_u54_local_IRQHandler_13, + spare_u54_local_IRQHandler_14, + spare_u54_local_IRQHandler_15, + + fabric_f2h_0_u54_local_IRQHandler_16, + fabric_f2h_1_u54_local_IRQHandler_17, + fabric_f2h_2_u54_local_IRQHandler_18, + fabric_f2h_3_u54_local_IRQHandler_19, + fabric_f2h_4_u54_local_IRQHandler_20, + fabric_f2h_5_u54_local_IRQHandler_21, + fabric_f2h_6_u54_local_IRQHandler_22, + fabric_f2h_7_u54_local_IRQHandler_23, + fabric_f2h_8_u54_local_IRQHandler_24, + fabric_f2h_9_u54_local_IRQHandler_25, + + fabric_f2h_10_u54_local_IRQHandler_26, + fabric_f2h_11_u54_local_IRQHandler_27, + fabric_f2h_12_u54_local_IRQHandler_28, + fabric_f2h_13_u54_local_IRQHandler_29, + fabric_f2h_14_u54_local_IRQHandler_30, + fabric_f2h_15_u54_local_IRQHandler_31, + fabric_f2h_16_u54_local_IRQHandler_32, + fabric_f2h_17_u54_local_IRQHandler_33, + fabric_f2h_18_u54_local_IRQHandler_34, + fabric_f2h_19_u54_local_IRQHandler_35, + + fabric_f2h_20_u54_local_IRQHandler_36, + fabric_f2h_21_u54_local_IRQHandler_37, + fabric_f2h_22_u54_local_IRQHandler_38, + fabric_f2h_23_u54_local_IRQHandler_39, + fabric_f2h_24_u54_local_IRQHandler_40, + fabric_f2h_25_u54_local_IRQHandler_41, + fabric_f2h_26_u54_local_IRQHandler_42, + fabric_f2h_27_u54_local_IRQHandler_43, + fabric_f2h_28_u54_local_IRQHandler_44, + fabric_f2h_29_u54_local_IRQHandler_45, + + fabric_f2h_30_u54_local_IRQHandler_46, + fabric_f2h_31_u54_local_IRQHandler_47 +}; + +/* U54 3 */ +local_int_p_t local_irq_handler_u54_3_table[E51_LOCAL_NUM_SOURCES] = +{ + /*reference multiple interrupts*/ + spare_u54_local_IRQHandler_0, + spare_u54_local_IRQHandler_1, + spare_u54_local_IRQHandler_2, + + /*parse hart ID to discover which mac is the source*/ + mac_mmsl_u54_3_local_IRQHandler_3, + mac_emac_u54_3_local_IRQHandler_4, + mac_queue3_u54_3_local_IRQHandler_5, + mac_queue2_u54_3_local_IRQHandler_6, + mac_queue1_u54_3_local_IRQHandler_7, + mac_int_u54_3_local_IRQHandler_8, + + /*parse hart ID to discover which wdog is the source*/ + wdog_tout_u54_h3_local_IRQHandler_9, + mvrp_u54_local_IRQHandler_10, + mmuart_u54_h3_local_IRQHandler_11, + + spare_u54_local_IRQHandler_12, + spare_u54_local_IRQHandler_13, + spare_u54_local_IRQHandler_14, + spare_u54_local_IRQHandler_15, + + fabric_f2h_0_u54_local_IRQHandler_16, + fabric_f2h_1_u54_local_IRQHandler_17, + fabric_f2h_2_u54_local_IRQHandler_18, + fabric_f2h_3_u54_local_IRQHandler_19, + fabric_f2h_4_u54_local_IRQHandler_20, + fabric_f2h_5_u54_local_IRQHandler_21, + fabric_f2h_6_u54_local_IRQHandler_22, + fabric_f2h_7_u54_local_IRQHandler_23, + fabric_f2h_8_u54_local_IRQHandler_24, + fabric_f2h_9_u54_local_IRQHandler_25, + + fabric_f2h_10_u54_local_IRQHandler_26, + fabric_f2h_11_u54_local_IRQHandler_27, + fabric_f2h_12_u54_local_IRQHandler_28, + fabric_f2h_13_u54_local_IRQHandler_29, + fabric_f2h_14_u54_local_IRQHandler_30, + fabric_f2h_15_u54_local_IRQHandler_31, + fabric_f2h_16_u54_local_IRQHandler_32, + fabric_f2h_17_u54_local_IRQHandler_33, + fabric_f2h_18_u54_local_IRQHandler_34, + fabric_f2h_19_u54_local_IRQHandler_35, + + fabric_f2h_20_u54_local_IRQHandler_36, + fabric_f2h_21_u54_local_IRQHandler_37, + fabric_f2h_22_u54_local_IRQHandler_38, + fabric_f2h_23_u54_local_IRQHandler_39, + fabric_f2h_24_u54_local_IRQHandler_40, + fabric_f2h_25_u54_local_IRQHandler_41, + fabric_f2h_26_u54_local_IRQHandler_42, + fabric_f2h_27_u54_local_IRQHandler_43, + fabric_f2h_28_u54_local_IRQHandler_44, + fabric_f2h_29_u54_local_IRQHandler_45, + + fabric_f2h_30_u54_local_IRQHandler_46, + fabric_f2h_31_u54_local_IRQHandler_47 +}; + +/* U54 4 */ +local_int_p_t local_irq_handler_u54_4_table[E51_LOCAL_NUM_SOURCES] = +{ + /*reference multiple interrupts*/ + spare_u54_local_IRQHandler_0, + spare_u54_local_IRQHandler_1, + spare_u54_local_IRQHandler_2, + + /*parse hart ID to discover which mac is the source*/ + mac_mmsl_u54_4_local_IRQHandler_3, + mac_emac_u54_4_local_IRQHandler_4, + mac_queue3_u54_4_local_IRQHandler_5, + mac_queue2_u54_4_local_IRQHandler_6, + mac_queue1_u54_4_local_IRQHandler_7, + mac_int_u54_4_local_IRQHandler_8, + + /*parse hart ID to discover which wdog is the source*/ + wdog_tout_u54_h4_local_IRQHandler_9, + mvrp_u54_local_IRQHandler_10, + mmuart_u54_h4_local_IRQHandler_11, + + spare_u54_local_IRQHandler_12, + spare_u54_local_IRQHandler_13, + spare_u54_local_IRQHandler_14, + spare_u54_local_IRQHandler_15, + + fabric_f2h_0_u54_local_IRQHandler_16, + fabric_f2h_1_u54_local_IRQHandler_17, + fabric_f2h_2_u54_local_IRQHandler_18, + fabric_f2h_3_u54_local_IRQHandler_19, + fabric_f2h_4_u54_local_IRQHandler_20, + fabric_f2h_5_u54_local_IRQHandler_21, + fabric_f2h_6_u54_local_IRQHandler_22, + fabric_f2h_7_u54_local_IRQHandler_23, + fabric_f2h_8_u54_local_IRQHandler_24, + fabric_f2h_9_u54_local_IRQHandler_25, + + fabric_f2h_10_u54_local_IRQHandler_26, + fabric_f2h_11_u54_local_IRQHandler_27, + fabric_f2h_12_u54_local_IRQHandler_28, + fabric_f2h_13_u54_local_IRQHandler_29, + fabric_f2h_14_u54_local_IRQHandler_30, + fabric_f2h_15_u54_local_IRQHandler_31, + fabric_f2h_16_u54_local_IRQHandler_32, + fabric_f2h_17_u54_local_IRQHandler_33, + fabric_f2h_18_u54_local_IRQHandler_34, + fabric_f2h_19_u54_local_IRQHandler_35, + + fabric_f2h_20_u54_local_IRQHandler_36, + fabric_f2h_21_u54_local_IRQHandler_37, + fabric_f2h_22_u54_local_IRQHandler_38, + fabric_f2h_23_u54_local_IRQHandler_39, + fabric_f2h_24_u54_local_IRQHandler_40, + fabric_f2h_25_u54_local_IRQHandler_41, + fabric_f2h_26_u54_local_IRQHandler_42, + fabric_f2h_27_u54_local_IRQHandler_43, + fabric_f2h_28_u54_local_IRQHandler_44, + fabric_f2h_29_u54_local_IRQHandler_45, + + fabric_f2h_30_u54_local_IRQHandler_46, + fabric_f2h_31_u54_local_IRQHandler_47 +}; + +local_int_p_t *local_int_mux[5] = +{ + local_irq_handler_e51_table, + local_irq_handler_u54_1_table, + local_irq_handler_u54_2_table, + local_irq_handler_u54_3_table, + local_irq_handler_u54_4_table +}; + +#else +uint8_t (*ext_irq_handler_table[PLIC_NUM_SOURCES])(void) = +{ + Invalid_IRQHandler, + External_1_IRQHandler, + External_2_IRQHandler, + External_3_IRQHandler, + USART0_plic_4_IRQHandler, + External_5_IRQHandler, + External_6_IRQHandler, + External_7_IRQHandler, + External_8_IRQHandler, + External_9_IRQHandler, + External_10_IRQHandler, + External_11_IRQHandler, + External_12_IRQHandler, + External_13_IRQHandler, + External_14_IRQHandler, + External_15_IRQHandler, + External_16_IRQHandler, + External_17_IRQHandler, + External_18_IRQHandler, + External_19_IRQHandler, + External_20_IRQHandler, + External_21_IRQHandler, + External_22_IRQHandler, + dma_ch0_DONE_IRQHandler, + dma_ch0_ERR_IRQHandler, + dma_ch1_DONE_IRQHandler, + dma_ch1_ERR_IRQHandler, + dma_ch2_DONE_IRQHandler, + dma_ch2_ERR_IRQHandler, + dma_ch3_DONE_IRQHandler, + dma_ch3_ERR_IRQHandler, + External_31_IRQHandler, + External_32_IRQHandler, + External_33_IRQHandler, + External_34_IRQHandler, + External_35_IRQHandler, + External_36_IRQHandler, + External_37_IRQHandler, + External_38_IRQHandler, + External_39_IRQHandler, + External_40_IRQHandler, + External_41_IRQHandler, + External_42_IRQHandler, + External_43_IRQHandler, + External_44_IRQHandler, + External_45_IRQHandler, + External_46_IRQHandler, + External_47_IRQHandler, + External_48_IRQHandler, + External_49_IRQHandler, + External_50_IRQHandler, + External_51_IRQHandler, + External_52_IRQHandler, + MAC0_plic_53_IRQHandler + +}; +#endif +/*------------------------------------------------------------------------------ + * + */ +void handle_m_ext_interrupt(void) +{ + + volatile uint32_t int_num = PLIC_ClaimIRQ(); + + if (INVALID_IRQn == int_num) + { + return; + } + + uint8_t disable = EXT_IRQ_KEEP_ENABLED; +#ifndef SIFIVE_HIFIVE_UNLEASHED + disable = ext_irq_handler_table[int_num /* + OFFSET_TO_MSS_GLOBAL_INTS Think this was required in early bitfile */](); +#else + disable = ext_irq_handler_table[int_num](); +#endif + + PLIC_CompleteIRQ(int_num); + + if(EXT_IRQ_DISABLE == disable) + { + PLIC_DisableIRQ((PLIC_IRQn_Type)int_num); + } + +} + + +/*------------------------------------------------------------------------------ + * + */ +void handle_local_interrupt(uint8_t interrupt_no) +{ +#ifndef SIFIVE_HIFIVE_UNLEASHED /* no local interrupts on unleashed */ + uint64_t mhart_id = read_csr(mhartid); + uint8_t local_interrupt_no = (uint8_t)(interrupt_no - 16U); + local_int_p_t *local_int_table = local_int_mux[mhart_id]; + + (*local_int_table[local_interrupt_no])(); + +#endif +} + +/*------------------------------------------------------------------------------ + * + */ +void trap_from_machine_mode(uintptr_t * regs, uintptr_t dummy, uintptr_t mepc) +{ + volatile uintptr_t mcause = read_csr(mcause); + + if (((mcause & MCAUSE_INT) == MCAUSE_INT) && ((mcause & MCAUSE_CAUSE) > 15U)&& ((mcause & MCAUSE_CAUSE) < 64U)) + { + handle_local_interrupt((uint8_t)(mcause & MCAUSE_CAUSE)); + } + else if (((mcause & MCAUSE_INT) == MCAUSE_INT) && ((mcause & MCAUSE_CAUSE) == IRQ_M_EXT)) + { + handle_m_ext_interrupt(); + } + else if (((mcause & MCAUSE_INT) == MCAUSE_INT) && ((mcause & MCAUSE_CAUSE) == IRQ_M_SOFT)) + { + handle_m_soft_interrupt(); + } + else if (((mcause & MCAUSE_INT) == MCAUSE_INT) && ((mcause & MCAUSE_CAUSE) == IRQ_M_TIMER)) + { + handle_m_timer_interrupt(); + } + else + { + uint32_t i = 0U; + while(1) + { + /* wait for watchdog */ + i++; /* added some code as SC debugger hangs if in loop doing nothing */ + if(i == 0x1000U) + { + i = mcause; /* so mcause is not optimised out */ + } + } + switch(mcause) + { + + case CAUSE_LOAD_PAGE_FAULT: + break; + case CAUSE_STORE_PAGE_FAULT: + break; + case CAUSE_FETCH_ACCESS: + break; + case CAUSE_LOAD_ACCESS: + break; + case CAUSE_STORE_ACCESS: + break; + default: + bad_trap(regs, dummy, mepc); + break; + } + } +} + +#ifdef __cplusplus +} +#endif |