diff options
| author | cheapie <cheapiephp@gmail.com> | 2026-05-29 20:14:41 -0500 |
|---|---|---|
| committer | cheapie <cheapiephp@gmail.com> | 2026-05-29 20:17:50 -0500 |
| commit | c83f8dcd23f42187bd72716c92e8c4ffdb752d5e (patch) | |
| tree | e48c411bcbae17b8563cea6b2adb4df7014e760a | |
| parent | 94c5a7930e5bff6cb18492392d5eea32306885e1 (diff) | |
| download | rvcontroller-c83f8dcd23f42187bd72716c92e8c4ffdb752d5e.tar rvcontroller-c83f8dcd23f42187bd72716c92e8c4ffdb752d5e.tar.gz rvcontroller-c83f8dcd23f42187bd72716c92e8c4ffdb752d5e.tar.bz2 rvcontroller-c83f8dcd23f42187bd72716c92e8c4ffdb752d5e.tar.xz rvcontroller-c83f8dcd23f42187bd72716c92e8c4ffdb752d5e.zip | |
Fix CSR write protection
| -rw-r--r-- | rvcontroller.lua | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/rvcontroller.lua b/rvcontroller.lua index 64be2ab..875c324 100644 --- a/rvcontroller.lua +++ b/rvcontroller.lua @@ -371,6 +371,7 @@ local function writecsr(address,data) return elseif address == 0xf11 or address == 0xf12 or address == 0xf13 or address == 0xf14 or address == 0xf15 or address == 0x300 then --Read-only machine information register, ignore write + return elseif address == 0x310 then --mstatush local bits = explodebits(data,32) @@ -388,7 +389,7 @@ local function writecsr(address,data) mem.isa.c = bits[2] mem.isa.i = bits[8] mem.isa.m = bits[12] - local newbits = {[0] = mem.isa.a,mem.isa.b,mem.isa.c,[4] = not mem.isa.i,[8] = mem.isa.i,[12] = mem.isa.m} + local newbits = {[0] = mem.isa.a,mem.isa.b,mem.isa.c,[4] = not mem.isa.i,[8] = mem.isa.i,[12] = mem.isa.m,[30] = true} mem.csr[0x301] = implodebits(newbits,32) return end |