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Merge pull request #2293 from silabs-robin/cv32e40x_dev_merge_2023-11-16
Cv32e40x dev merge 2023 11 16
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,165 @@ | ||
| // Copyright 2022 Silicon Laboratories Inc. | ||
| // | ||
| // SPDX-License-Identifier: Apache-2.0 WITH SHL-2.1 | ||
| // | ||
| // Licensed under the Solderpad Hardware License v 2.1 (the "License"); you | ||
| // may not use this file except in compliance with the License, or, at your | ||
| // option, the Apache License version 2.0. | ||
| // | ||
| // You may obtain a copy of the License at | ||
| // https://solderpad.org/licenses/SHL-2.1/ | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, any work | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
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||
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||
| enum { | ||
| EXC_CAUSE_INSTR_ACC_FAULT = 1, | ||
| EXC_CAUSE_ILLEGAL_INSTR = 2, | ||
| EXC_CAUSE_BREAKPOINT = 3, | ||
| EXC_CAUSE_LOAD_ACC_FAULT = 5, | ||
| EXC_CAUSE_STORE_ACC_FAULT = 7, | ||
| EXC_CAUSE_ENV_CALL_U = 8, | ||
| EXC_CAUSE_ENV_CALL_M = 11, | ||
| EXC_CAUSE_INSTR_BUS_FAULT = 24, | ||
| EXC_CAUSE_INSTR_INTEGRITY_FAULT = 25, | ||
| }; | ||
|
|
||
| typedef enum { | ||
| PMPMODE_OFF = 0, | ||
| PMPMODE_TOR = 1, | ||
| PMPMODE_NA4 = 2, | ||
| PMPMODE_NAPOT = 3 | ||
| } pmp_mode_t; | ||
|
|
||
| // Verbosity levels (Akin to the uvm verbosity concept) | ||
| typedef enum { | ||
| V_OFF = 0, | ||
| V_LOW = 1, | ||
| V_MEDIUM = 2, | ||
| V_HIGH = 3, | ||
| V_DEBUG = 4 | ||
| } verbosity_t; | ||
|
|
||
| // Matches funct3 values for CSR instructions | ||
| typedef enum { | ||
| CSRRW = 1, | ||
| CSRRS = 2, | ||
| CSRRC = 3, | ||
| CSRRWI = 5, | ||
| CSRRSI = 6, | ||
| CSRRCI = 7 | ||
| } csr_instr_access_t; | ||
|
|
||
| typedef union { | ||
| struct { | ||
| volatile uint32_t opcode : 7; | ||
| volatile uint32_t rd : 5; | ||
| volatile uint32_t funct3 : 3; | ||
| volatile uint32_t rs1_uimm : 5; | ||
| volatile uint32_t csr : 12; | ||
| } volatile fields; | ||
| volatile uint32_t raw; | ||
| } __attribute__((packed)) csr_instr_t; | ||
|
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||
| typedef union { | ||
| struct { | ||
| volatile uint32_t load : 1; | ||
| volatile uint32_t store : 1; | ||
| volatile uint32_t execute : 1; | ||
| volatile uint32_t u : 1; | ||
| volatile uint32_t s : 1; | ||
| volatile uint32_t res_5_5 : 1; | ||
| volatile uint32_t m : 1; | ||
| volatile uint32_t match : 4; | ||
| volatile uint32_t chain : 1; | ||
| volatile uint32_t action : 4; | ||
| volatile uint32_t size : 4; | ||
| volatile uint32_t timing : 1; | ||
| volatile uint32_t select : 1; | ||
| volatile uint32_t hit : 1; | ||
| volatile uint32_t vu : 1; | ||
| volatile uint32_t vs : 1; | ||
| volatile uint32_t res_26_25: 2; | ||
| volatile uint32_t dmode : 1; | ||
| volatile uint32_t type : 4; | ||
| } __attribute__((packed)) volatile fields; | ||
| volatile uint32_t raw; | ||
| } __attribute__((packed)) mcontrol6_t; | ||
|
|
||
| typedef union { | ||
| struct { | ||
| volatile uint32_t uie : 1; // 0 | ||
| volatile uint32_t sie : 1; // 1 | ||
| volatile uint32_t wpri : 1; // 2 | ||
| volatile uint32_t mie : 1; // 3 | ||
| volatile uint32_t upie : 1; // 4 | ||
| volatile uint32_t spie : 1; // 5 | ||
| volatile uint32_t wpri0 : 1; // 6 | ||
| volatile uint32_t mpie : 1; // 7 | ||
| volatile uint32_t spp : 1; // 8 | ||
| volatile uint32_t wpri1 : 2; // 10: 9 | ||
| volatile uint32_t mpp : 2; // 12:11 | ||
| volatile uint32_t fs : 2; // 14:13 | ||
| volatile uint32_t xs : 2; // 16:15 | ||
| volatile uint32_t mprv : 1; // 17 | ||
| volatile uint32_t sum : 1; // 18 | ||
| volatile uint32_t mxr : 1; // 19 | ||
| volatile uint32_t tvm : 1; // 20 | ||
| volatile uint32_t tw : 1; // 21 | ||
| volatile uint32_t tsr : 1; // 22 | ||
| volatile uint32_t wpri3 : 8; // 30:23 | ||
| volatile uint32_t sd : 1; // 31 | ||
| } volatile fields; | ||
| volatile uint32_t raw; | ||
| } __attribute__((packed)) mstatus_t; | ||
|
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||
| typedef union { | ||
| struct { | ||
| volatile uint32_t mml : 1; | ||
| volatile uint32_t mmwp : 1; | ||
| volatile uint32_t rlb : 1; | ||
| volatile uint32_t reserved_31_3 : 29; | ||
| } __attribute__((packed)) volatile fields; | ||
| volatile uint32_t raw : 32; | ||
| } __attribute__((packed)) mseccfg_t; | ||
|
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||
| typedef union { | ||
| struct { | ||
| volatile uint32_t reserved_1_0 : 2; | ||
| volatile uint32_t jvt_access : 1; | ||
| volatile uint32_t reserved_31_3 : 29; | ||
| } __attribute__((packed)) volatile fields; | ||
| volatile uint32_t raw : 32; | ||
| } __attribute__((packed)) mstateen0_t; | ||
|
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| typedef union { | ||
| struct { | ||
| volatile uint32_t r : 1; | ||
| volatile uint32_t w : 1; | ||
| volatile uint32_t x : 1; | ||
| volatile uint32_t a : 1; | ||
| volatile uint32_t reserved_6_5 : 2; | ||
| volatile uint32_t l : 1; | ||
| } __attribute__((packed)) volatile fields; | ||
| volatile uint32_t raw : 8; | ||
| } __attribute__((packed)) pmpsubcfg_t; | ||
|
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| typedef union { | ||
| struct { | ||
| volatile uint32_t cfg : 8; | ||
| } __attribute__((packed)) volatile reg_idx[4]; | ||
| volatile uint32_t raw : 32; | ||
| } __attribute__((packed)) pmpcfg_t; | ||
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| typedef union { | ||
| struct { | ||
| volatile uint32_t mode : 6; | ||
| volatile uint32_t base : 26; | ||
| } __attribute__((packed)) volatile fields; | ||
| volatile uint32_t raw : 32; | ||
| } __attribute__((packed)) jvt_t; |
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