initial

2025-09-23 13:44:14 +03:00
commit a84b8fcfde
91 changed files with 88177 additions and 0 deletions
--- a/FIRMWARE/perf.S
+++ b/FIRMWARE/perf.S
@@ -0,0 +1,19 @@
+.section .text
+.globl rdcycle
+.globl rdinstret
+
+rdcycle:
+.L0:  
+   rdcycleh a1
+   rdcycle a0
+   rdcycleh t0
+   bne a1,t0,.L0
+   ret
+
+rdinstret:
+.L1:  
+   rdinstreth a1
+   rdinstret a0
+   rdinstreth t0
+   bne a1,t0,.L1
+   ret