From 69111aaf1a2b936bfa9d9ba53a4653f27c93312d Mon Sep 17 00:00:00 2001
From: cheapie <cheapiephp@gmail.com>
Date: Fri, 6 Nov 2026 16:04:48 -0600
Subject: Add hpmcounter CSRs to CSR list and fix reading mtvec

---
 rvcontroller.lua | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'rvcontroller.lua')

diff --git a/rvcontroller.lua b/rvcontroller.lua
index 9d9a337..7d6a211 100644
--- a/rvcontroller.lua
+++ b/rvcontroller.lua
@@ -414,6 +414,8 @@ local function readcsr(address)
 		bits[11] = mem.mpp%2 == 1
 		bits[12] = mem.mpp >= 2
 		return implodebits(bits,32)
+	elseif address == 0x305 then --mtvec
+		return mem.mtvecwritten and mem.trapbase+mem.trapmode or 0
 	elseif address == 0x310 then --mstatush
 		local bits = {}
 		bits[5] = mem.mbe
-- 
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