完成rtthread适配

2025-06-13 16:22:30 +08:00
parent 160f9f8201
commit 7c9d6440b6
7 changed files with 159 additions and 31 deletions
--- a/riscv/rtthread/libcpu/risc-v/common/interrupt_gcc.S
+++ b/riscv/rtthread/libcpu/risc-v/common/interrupt_gcc.S
@@ -17,7 +17,7 @@
    .align  6
 #else
    .align  2
-#endif 
+#endif
    .global SW_handler

 SW_handler:
@@ -352,3 +352,24 @@ trap_entry:

 spurious_interrupt:
    tail rt_hw_context_switch_exit
+
+
+
+
+
+    .globl rt_hw_do_after_save_above
+    .type rt_hw_do_after_save_above,@function
+rt_hw_do_after_save_above:
+    addi  sp, sp,  -4
+    STORE ra,  0 * REGBYTES(sp)
+
+    csrr  a0, mcause
+    csrr  a1, mepc
+    mv    a2, sp
+    call  rt_rv32_system_irq_handler
+
+    LOAD  ra,  0 * REGBYTES(sp)
+    addi  sp, sp,  4
+    ret
+
+