(nuttx) branch master updated: arch/risc-v/src/mpfs/mpfs_irq.c: Default global interrupt priorities

[xiaoxiang]

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xiaoxiang pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/nuttx.git


The following commit(s) were added to refs/heads/master by this push:
     new bd7074460c arch/risc-v/src/mpfs/mpfs_irq.c: Default global interrupt 
priorities
bd7074460c is described below

commit bd7074460c85ec828a49d775849cda26c7d050bc
Author: BitBender334 <noah.zw...@pvl-labs.com>
AuthorDate: Mon Nov 18 16:27:00 2024 -0500

    arch/risc-v/src/mpfs/mpfs_irq.c: Default global interrupt priorities
---
 arch/risc-v/src/mpfs/mpfs_irq.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/arch/risc-v/src/mpfs/mpfs_irq.c b/arch/risc-v/src/mpfs/mpfs_irq.c
index b0b3e1bb4c..5bb97559d5 100644
--- a/arch/risc-v/src/mpfs/mpfs_irq.c
+++ b/arch/risc-v/src/mpfs/mpfs_irq.c
@@ -63,6 +63,13 @@ void up_irqinitialize(void)
   riscv_stack_color(g_intstackalloc, intstack_size);
 #endif
 
+  /* Set priority for all global interrupts to 1 (lowest) */
+
+  for (int id = 1; id <= NR_IRQS; id++)
+    {
+      putreg32(1, MPFS_PLIC_PRIORITY + (4 * id));
+    }
+
   /* Attach the common interrupt handler */
 
   riscv_exception_attach();