test_issuer_mmu_data_path.py: test both ld and st instructions

diff --git a/src/soc/fu/mmu/test/test_issuer_mmu_data_path.py b/src/soc/fu/mmu/test/test_issuer_mmu_data_path.py
index 88d9b6b153e568610676bf9378b2024ccd1b60d5..f6208229a4ea89bd909440c6881f0c4c748aaec2 100644 (file)
--- a/src/soc/fu/mmu/test/test_issuer_mmu_data_path.py
+++ b/src/soc/fu/mmu/test/test_issuer_mmu_data_path.py
@@ -13,19 +13,20 @@ class MMUTestCase(TestAccumulatorBase):
     # libre-soc has own SPR unit
     # other instructions here -> must be load/store
 
     # libre-soc has own SPR unit
     # other instructions here -> must be load/store
 

-    def case_mfspr_after_invalid_load(self):
+    def case_mmu_ldst(self):

         lst = [
                 "dcbz 1,2",
                 "tlbie 0,0,0,0,0", # RB,RS,RIC,PRS,R
                 #"mfspr 1, 18",     # DSISR to reg 1
                 #"mfspr 2, 19",     # DAR to reg 2
         lst = [
                 "dcbz 1,2",
                 "tlbie 0,0,0,0,0", # RB,RS,RIC,PRS,R
                 #"mfspr 1, 18",     # DSISR to reg 1
                 #"mfspr 2, 19",     # DAR to reg 2

-                #"mtspr 18, 1",
-                #"mtspr 19, 2",
-                #test ldst instructions
-                "lhz 3, 0(1)" # lhz RT,D(RA) -> this should go through the mmu
+                #"mtspr 18, 1",     # TODO
+                #"mtspr 19, 2",     # TODO
+                #"std 1, 0(2)"
+                "lhz 3, 0(1)"       # load some data

               ]
 
         initial_regs = [0] * 32
               ]
 
         initial_regs = [0] * 32

+        #initial_regs[1] = 0xDEADBEEF

 
         #FIXME initial_sprs = {'DSISR': 0x12345678, 'DAR': 0x87654321}
         initial_sprs = {}
 
         #FIXME initial_sprs = {'DSISR': 0x12345678, 'DAR': 0x87654321}
         initial_sprs = {}