Added serv and made a blinky testbench for it

2026-02-21 19:24:18 +01:00
parent 3b04f3a6be
commit a261264fda
12 changed files with 284 additions and 2 deletions
--- a/sw/blinky/blinky.S
+++ b/sw/blinky/blinky.S
@@ -0,0 +1,17 @@
+#define GPIO_BASE 0x80000000
+#define DELAY 100
+
+.globl _start
+_start:
+	lui a0, %hi(GPIO_BASE)
+	addi a0, a0, %lo(GPIO_BASE)
+	addi t0, zero, 0
+	li t1, DELAY
+.lp1:
+	sb t0, 0(a0)
+	addi t0, t0, 1
+	and t2, zero, zero
+time1:
+	addi t2, t2, 1
+	bne t1, t2, time1
+	j .lp1