Line 51... |
Line 51... |
* @param[in] irq_sel CPU interrupt select. See #NEORV32_CPU_MIE_enum.
|
* @param[in] irq_sel CPU interrupt select. See #NEORV32_CPU_MIE_enum.
|
* @return 0 if success, 1 if error (invalid irq_sel).
|
* @return 0 if success, 1 if error (invalid irq_sel).
|
**************************************************************************/
|
**************************************************************************/
|
int neorv32_cpu_irq_enable(uint8_t irq_sel) {
|
int neorv32_cpu_irq_enable(uint8_t irq_sel) {
|
|
|
if ((irq_sel != CPU_MIE_MSIE) && (irq_sel != CPU_MIE_MTIE) && (irq_sel != CPU_MIE_MEIE)) {
|
if ((irq_sel != CPU_MIE_MSIE) && (irq_sel != CPU_MIE_MTIE) && (irq_sel != CPU_MIE_MEIE) &&
|
|
(irq_sel != CPU_MIE_FIRQ0E) && (irq_sel != CPU_MIE_FIRQ1E) && (irq_sel != CPU_MIE_FIRQ2E) && (irq_sel != CPU_MIE_FIRQ3E)) {
|
return 1;
|
return 1;
|
}
|
}
|
|
|
register uint32_t mask = (uint32_t)(1 << irq_sel);
|
register uint32_t mask = (uint32_t)(1 << irq_sel);
|
asm volatile ("csrrs zero, mie, %0" : : "r" (mask));
|
asm volatile ("csrrs zero, mie, %0" : : "r" (mask));
|
Line 69... |
Line 70... |
* @param[in] irq_sel CPU interrupt select. See #NEORV32_CPU_MIE_enum.
|
* @param[in] irq_sel CPU interrupt select. See #NEORV32_CPU_MIE_enum.
|
* @return 0 if success, 1 if error (invalid irq_sel).
|
* @return 0 if success, 1 if error (invalid irq_sel).
|
**************************************************************************/
|
**************************************************************************/
|
int neorv32_cpu_irq_disable(uint8_t irq_sel) {
|
int neorv32_cpu_irq_disable(uint8_t irq_sel) {
|
|
|
if ((irq_sel != CPU_MIE_MSIE) && (irq_sel != CPU_MIE_MTIE) && (irq_sel != CPU_MIE_MEIE)) {
|
if ((irq_sel != CPU_MIE_MSIE) && (irq_sel != CPU_MIE_MTIE) && (irq_sel != CPU_MIE_MEIE) &&
|
|
(irq_sel != CPU_MIE_FIRQ0E) && (irq_sel != CPU_MIE_FIRQ1E) && (irq_sel != CPU_MIE_FIRQ2E) && (irq_sel != CPU_MIE_FIRQ3E)) {
|
return 1;
|
return 1;
|
}
|
}
|
|
|
register uint32_t mask = (uint32_t)(1 << irq_sel);
|
register uint32_t mask = (uint32_t)(1 << irq_sel);
|
asm volatile ("csrrc zero, mie, %0" : : "r" (mask));
|
asm volatile ("csrrc zero, mie, %0" : : "r" (mask));
|