diff options
| author | Fan YANG <[email protected]> | 2025-12-11 12:14:49 +0800 |
|---|---|---|
| committer | R b b666 <[email protected]> | 2025-12-11 17:04:14 +0800 |
| commit | 7330df69f6e10be7464932ef246c078dd894550b (patch) | |
| tree | a24fab77c689d0f20d8e3c01546599b21193ec55 | |
| parent | e4dce1df7d4891ae7d46840e2bbd577703492cf9 (diff) | |
update: [libcpu][risc-v][common] allow overriding isr numbers for MCU
- allow overriding the isr numbers via RT_HW_ISR_NUM macro
Signed-off-by: Fan YANG <[email protected]>
| -rw-r--r-- | libcpu/risc-v/common/trap_common.c | 24 |
1 files changed, 20 insertions, 4 deletions
diff --git a/libcpu/risc-v/common/trap_common.c b/libcpu/risc-v/common/trap_common.c index 0dbd7f2c75..9f8b03885b 100644 --- a/libcpu/risc-v/common/trap_common.c +++ b/libcpu/risc-v/common/trap_common.c @@ -1,11 +1,27 @@ +/* + * Copyright (c) 2023-2025, RT-Thread Development Team + * + * SPDX-License-Identifier: Apache-2.0 + * + * Change Logs: + * Date Author Notes + * 2023-03-01 Yaochenger The first version + * 2023-03-19 flyingcys Add support for rv32e + * 2023-03-29 flyingcys return old handler when install new one for rt_hw_interrupt_install + * 2023-06-08 Liu,Yuan remove unused variables + * 2025-01-27 Chen Wang fix build warnings + * 2025-12-11 HPMicro allow overriding the ISR numbers + */ #include <rthw.h> #include <rtthread.h> #include "riscv-ops.h" #include "rt_hw_stack_frame.h" -#define ISR_NUMBER 32 +#ifndef RT_HW_ISR_NUM +#define RT_HW_ISR_NUM 32 +#endif static volatile rt_hw_stack_frame_t *s_stack_frame; -static struct rt_irq_desc rv32irq_table[ISR_NUMBER]; +static struct rt_irq_desc rv32irq_table[RT_HW_ISR_NUM]; void rt_show_stack_frame(void); /** @@ -27,7 +43,7 @@ rt_weak void rt_hw_interrupt_init(void) { int idx = 0; - for (idx = 0; idx < ISR_NUMBER; idx++) + for (idx = 0; idx < RT_HW_ISR_NUM; idx++) { rv32irq_table[idx].handler = (rt_isr_handler_t)rt_hw_interrupt_handle; rv32irq_table[idx].param = RT_NULL; @@ -48,7 +64,7 @@ rt_weak rt_isr_handler_t rt_hw_interrupt_install(int vector, rt_isr_handler_t ha { rt_isr_handler_t old_handler = RT_NULL; - if(vector < ISR_NUMBER) + if(vector < RT_HW_ISR_NUM) { old_handler = rv32irq_table[vector].handler; if (handler != RT_NULL) |