[sw/lib] add CLINT msi get function

stnolting · Dec 30, 2024 · adce426 · adce426
1 parent c3bee7e
commit adce426
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diff --git a/sw/lib/include/neorv32_clint.h b/sw/lib/include/neorv32_clint.h
@@ -42,6 +42,7 @@ typedef volatile struct __attribute__((packed,aligned(4))) {
 int      neorv32_clint_available(void);
 void     neorv32_clint_msi_set(int hart);
 void     neorv32_clint_msi_clr(int hart);
+uint32_t neorv32_clint_msi_get(int hart);
 void     neorv32_clint_time_set(uint64_t time);
 uint64_t neorv32_clint_time_get(void);
 void     neorv32_clint_mtimecmp_set(int hart, uint64_t timecmp);

diff --git a/sw/lib/source/neorv32_clint.c b/sw/lib/source/neorv32_clint.c
@@ -54,6 +54,17 @@ void neorv32_clint_msi_clr(int hart) {
 }
 
 
+/**********************************************************************//**
+ * Get machine software interrupt register.
+ *
+ * @param[in] hart Hart index (0..4094).
+ **************************************************************************/
+uint32_t neorv32_clint_msi_get(int hart) {
+
+  return NEORV32_CLINT->MSWI[hart & 0xfff];
+}
+
+
 /**********************************************************************//**
  * Set current CLINT system time.
  *