Remove mcountinhibit from csr_test and UVM env (#1863)

openhwgroup · Feb 21, 2024 · 9c4a3c3 · 9c4a3c3
1 parent 71f57a3
commit 9c4a3c3
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Showing 5 changed files with 1 addition and 182 deletions.
diff --git a/verif/env/uvme/uvme_cva6_cfg.sv b/verif/env/uvme/uvme_cva6_cfg.sv
@@ -271,6 +271,7 @@ function void uvme_cva6_cfg_c::set_unsupported_csr_mask();
 
    // Remove unsupported CSRs for Embedded configuration
    unsupported_csr_mask[uvma_core_cntrl_pkg::MTVAL] = 1;
+   unsupported_csr_mask[uvma_core_cntrl_pkg::MCOUNTINHIBIT] = 1;
 
    // Add supported CSRs for Embedded configuration
    for (int i = 0; i < MAX_NUM_HPMCOUNTERS; i++) begin
@@ -285,9 +286,6 @@ function void uvme_cva6_cfg_c::set_unsupported_csr_mask();
    unsupported_csr_mask[uvma_core_cntrl_pkg::CYCLEH] = 0;
    unsupported_csr_mask[uvma_core_cntrl_pkg::INSTRETH] = 0;
 
-   // Exist but only-read zero in embedded application
-   unsupported_csr_mask[uvma_core_cntrl_pkg::MCOUNTINHIBIT] = 0;
-
    // Remove unsupported pmp CSRs
    if (nr_pmp_entries == 0) begin
        unsupported_csr_mask[uvma_core_cntrl_pkg::PMPCFG0+:16]  = 16'hffff;

diff --git a/verif/tests/custom/csr_embedded/csrcs_test.S b/verif/tests/custom/csr_embedded/csrcs_test.S
@@ -5840,61 +5840,4 @@ csrcs:
     #MHPMEVENT20 read value
     csrr x14, 0x334
 
-    ##########################
-    #MCOUNTINHBIT testing W/R values '{'h1f, 'h0, 'h15, 'ha, 'h4}
-    ##########################
-    #MCOUNTINHBIT Write clear/set value 0x1f
-    li x3, 0xffffffe0
-    csrrc x14, 0x320, x3
-    li x3, 0x1f
-    csrrs x14, 0x320, x3
-
-    #MCOUNTINHBIT read value
-    csrr x14, 0x320
-
-    #MCOUNTINHBIT Write clear/set value 0x0
-    li x3, 0xffffffff
-    csrrc x14, 0x320, x3
-    li x3, 0x0
-    csrrs x14, 0x320, x3
-
-    #MCOUNTINHBIT read value
-    csrr x14, 0x320
-
-    #MCOUNTINHBIT Write clear/set value 0x15
-    li x3, 0xffffffea
-    csrrc x14, 0x320, x3
-    li x3, 0x15
-    csrrs x14, 0x320, x3
-
-    #MCOUNTINHBIT read value
-    csrr x14, 0x320
-
-    #MCOUNTINHBIT Write clear/set value 0xa
-    li x3, 0xfffffff5
-    csrrc x14, 0x320, x3
-    li x3, 0xa
-    csrrs x14, 0x320, x3
-
-    #MCOUNTINHBIT read value
-    csrr x14, 0x320
-
-    #MCOUNTINHBIT Write clear/set value 0x4
-    li x3, 0xfffffffb
-    csrrc x14, 0x320, x3
-    li x3, 0x4
-    csrrs x14, 0x320, x3
-
-    #MCOUNTINHBIT read value
-    csrr x14, 0x320
-
-    #MCOUNTINHBIT Write clear/set value 0x4
-    li x19, 0xfffffffb
-    csrrc x19, 0x320, x19
-    li x3, 0x4
-    csrrs x19, 0x320, x19
-
-    #MCOUNTINHBIT read value
-    csrr x14, 0x320
-
     ret
diff --git a/verif/tests/custom/csr_embedded/csrcsi_test.S b/verif/tests/custom/csr_embedded/csrcsi_test.S
@@ -4630,49 +4630,4 @@ csrcsi:
     #MHPMEVENT9 read value
     csrr x14, 0x329
 
-    ##########################
-    #MCOUNTINHBIT testing W/R values '{'h1f, 'h0, 'h15, 'ha, 'h6}
-    ##########################
-    #MCOUNTINHBIT Write clear/set value 0x1f
-    csrrci x14, 0x320, 0x0
-    csrrsi x14, 0x320, 0x1f
-
-    #MCOUNTINHBIT read value
-    csrr x14, 0x320
-
-    #MCOUNTINHBIT Write clear/set value 0x0
-    csrrci x14, 0x320, 0x1f
-    csrrsi x14, 0x320, 0x0
-
-    #MCOUNTINHBIT read value
-    csrr x14, 0x320
-
-    #MCOUNTINHBIT Write clear/set value 0x15
-    csrrci x14, 0x320, 0xa
-    csrrsi x14, 0x320, 0x15
-
-    #MCOUNTINHBIT read value
-    csrr x14, 0x320
-
-    #MCOUNTINHBIT Write clear/set value 0xa
-    csrrci x14, 0x320, 0x15
-    csrrsi x14, 0x320, 0xa
-
-    #MCOUNTINHBIT read value
-    csrr x14, 0x320
-
-    #MCOUNTINHBIT Write clear/set value 0x6
-    csrrci x14, 0x320, 0x19
-    csrrsi x14, 0x320, 0x6
-
-    #MCOUNTINHBIT read value
-    csrr x14, 0x320
-
-    #MCOUNTINHBIT Write clear/set value 0x6
-    csrrci x0, 0x320, 0x19
-    csrrsi x0, 0x320, 0x6
-
-    #MCOUNTINHBIT read value
-    csrr x14, 0x320
-
     ret
diff --git a/verif/tests/custom/csr_embedded/csrrw_test.S b/verif/tests/custom/csr_embedded/csrrw_test.S
@@ -4630,42 +4630,4 @@ csrrw:
     #MHPMCOUNTERH14 read value
     csrr x14, 0xb8e
 
-    ##########################
-    #MCOUNTINHBIT testing W/R values '{'hffffffff, 'h0, 'h55555555, 'haaaaaaaa, 'h9683580}
-    ##########################
-    #MCOUNTINHBIT Write value 0xffffffff
-    li x3, 0xffffffff
-    csrw 0X320, x3
-
-    #MCOUNTINHBIT read value
-    csrr x14, 0X320
-
-    #MCOUNTINHBIT Write value 0x0
-    li x3, 0x0
-    csrw 0X320, x3
-
-    #MCOUNTINHBIT read value
-    csrr x14, 0X320
-
-    #MCOUNTINHBIT Write value 0x55555555
-    li x3, 0x55555555
-    csrw 0X320, x3
-
-    #MCOUNTINHBIT read value
-    csrr x14, 0X320
-
-    #MCOUNTINHBIT Write value 0xaaaaaaaa
-    li x3, 0xaaaaaaaa
-    csrw 0X320, x3
-
-    #MCOUNTINHBIT read value
-    csrr x14, 0X320
-
-    #MCOUNTINHBIT Write value 0x9683580
-    li x3, 0x9683580
-    csrw 0X320, x3
-
-    #MCOUNTINHBIT read value
-    csrr x14, 0X320
-
     ret
diff --git a/verif/tests/custom/csr_embedded/csrrwi_test.S b/verif/tests/custom/csr_embedded/csrrwi_test.S
@@ -4025,43 +4025,4 @@ csrrwi:
     #MHPMEVENT31 read value
     csrr x14, 0x33f
 
-    ##########################
-    #MCOUNTINHBIT testing W/R values '{'h1f, 'h0, 'h15, 'ha, 'h1}
-    ##########################
-    #MCOUNTINHBIT Write immediate value 0x1f
-    csrrwi x14, 0x320, 0x1f
-
-    #MCOUNTINHBIT read value
-    csrr x14, 0x320
-
-    #MCOUNTINHBIT Write immediate value 0x0
-    csrrwi x14, 0x320, 0x0
-
-    #MCOUNTINHBIT read value
-    csrr x14, 0x320
-
-    #MCOUNTINHBIT Write immediate value 0x15
-    csrrwi x14, 0x320, 0x15
-
-    #MCOUNTINHBIT read value
-    csrr x14, 0x320
-
-    #MCOUNTINHBIT Write immediate value 0xa
-    csrrwi x14, 0x320, 0xa
-
-    #MCOUNTINHBIT read value
-    csrr x14, 0x320
-
-    #MCOUNTINHBIT Write immediate value 0x1
-    csrrwi x14, 0x320, 0x1
-
-    #MCOUNTINHBIT read value
-    csrr x14, 0x320
-
-    #MCOUNTINHBIT Write immediate value 0x1
-    csrrwi x0, 0x320, 0x1
-
-    #MCOUNTINHBIT read value
-    csrr x14, 0x320
-
     ret