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feature: Update for C950 #66

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Merged
cp0613 merged 1 commit into from
May 8, 2026
Merged

feature: Update for C950 #66

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11 changes: 11 additions & 0 deletions feature.c
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Original file line number Diff line number Diff line change
Expand Up @@ -290,6 +290,17 @@ void setup_features(void)
while(1);
}
break;
case 0x9:
if(cpu_ver >= 0x0) {
csr_clear(CSR_MXSTATUS, 0x1);
csr_write(CSR_MISELECT,CSR_MNASTATUS);
csr_write(CSR_MIREG,0x1e);
csr_write(CSR_MISELECT, CSR_L2_TRA_CTRL);
csr_set(CSR_MIREG2, 0x1600);
} else {
while(1);
}
break;
default:
while(1);
}
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2 changes: 2 additions & 0 deletions riscv_encoding.h
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Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,7 @@
#define CSR_MCOUNTERWEN 0x7c9
#define CSR_MSMPR 0x7f3
#define CSR_MNASTATUS 0x8000000000000210
#define CSR_L2_TRA_CTRL 0x8000000000001600

/* clang-format off */
#define MSTATUS_SIE _UL(0x00000002)
Expand Down Expand Up @@ -251,6 +252,7 @@
#define CSR_MTVAL2 0x34b
#define CSR_MISELECT 0x350
#define CSR_MIREG 0x351
#define CSR_MIREG2 0x352
#define CSR_PMPCFG0 0x3a0
#define CSR_PMPCFG1 0x3a1
#define CSR_PMPCFG2 0x3a2
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