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CVXIF:Add directed test in supervisor and user mode
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,73 @@ | ||
| # Copyright 2023 Thales DIS | ||
| # | ||
| # Licensed under the Solderpad Hardware Licence, Version 2.0 (the "License"); | ||
| # you may not use this file except in compliance with the License. | ||
| # SPDX-License-Identifier: Apache-2.0 WITH SHL-2.0 | ||
| # You may obtain a copy of the License at https://solderpad.org/licenses/ | ||
| # | ||
| # Original Author: Ayoub JALALI ([email protected]) | ||
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| #include "cvxif_macros.h" | ||
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| #***************************************************************************** | ||
| # cvxif_s_mode.S | ||
| #----------------------------------------------------------------------------- | ||
| # | ||
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| .globl main | ||
| main: | ||
| ## set start address range t0 x7 | ||
| la x7, supervisor_code | ||
| li x28, 0x10000 | ||
| add x7, x7, x28 | ||
| # Enable R,W,X,TOR IN PMPCFG CSR t0 x8 | ||
| li x8, 0x0F | ||
| #set PMPADDR0 CSR with x7 | ||
| csrw 0x3B0, x7 | ||
| # set PMPCFG0 CSR with x8 | ||
| csrw 0x3A0, x8 | ||
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| # Set the MPP field to supervisor mode (1) | ||
| li x29, 0b01 | ||
| slli x29, x29, 11 | ||
| or x28, x28, x29 | ||
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| # Write the modified MSTATUS value back to the CSR | ||
| csrw 0x300, x28 | ||
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| # Load address of supervisor code | ||
| la x28, supervisor_code | ||
| #set MEPC register to address of supervisor code | ||
| csrw 0x341, x28 | ||
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| csrr x31, 0x300 | ||
| mret | ||
| supervisor_code: | ||
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| CUS_S_ADD(01010,01010,01011); | ||
| CUS_S_ADD(01010,11111,11010); | ||
| CUS_ADD_MULTI(01010,01010,01011); | ||
| CUS_ADD(11010,11001,11011); | ||
| CUS_ADD(01010,01010,01011); | ||
| CUS_S_ADD(10000,00010,00000); | ||
| CUS_S_ADD(11111,11110,11111); | ||
| CUS_S_ADD(00000,01010,01011); | ||
| CUS_S_ADD(01010,01010,01011); | ||
| CUS_ADD_MULTI(01010,00000,01011); | ||
| CUS_S_ADD(11111,11111,01011); | ||
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| # (example of) final self-check test | ||
| li a0, 0xCAFE; | ||
| li a1, 0xCAFE; | ||
| xor a2, a0, a1; | ||
| beqz a2, pass; | ||
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| fail: | ||
| # Failure post-processing (messages, ecall setup etc.) | ||
| li a0, 0x0; | ||
| jal exit; | ||
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| pass: | ||
| # Success post-processing (messages, ecall setup etc.) | ||
| li a0, 0x0; | ||
| jal exit; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,73 @@ | ||
| # Copyright 2023 Thales DIS | ||
| # | ||
| # Licensed under the Solderpad Hardware Licence, Version 2.0 (the "License"); | ||
| # you may not use this file except in compliance with the License. | ||
| # SPDX-License-Identifier: Apache-2.0 WITH SHL-2.0 | ||
| # You may obtain a copy of the License at https://solderpad.org/licenses/ | ||
| # | ||
| # Original Author: Ayoub JALALI ([email protected]) | ||
|
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| #include "cvxif_macros.h" | ||
|
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| #***************************************************************************** | ||
| # cvxif_s_mode.S | ||
| #----------------------------------------------------------------------------- | ||
| # | ||
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| .globl main | ||
| main: | ||
| ## set start address range t0 x7 | ||
| la x7, user_code | ||
| li x28, 0x10000 | ||
| add x7, x7, x28 | ||
| # Enable R,W,X,TOR IN PMPCFG CSR t0 x8 | ||
| li x8, 0x0F | ||
| #set PMPADDR0 CSR with x7 | ||
| csrw 0x3B0, x7 | ||
| # set PMPCFG0 CSR with x8 | ||
| csrw 0x3A0, x8 | ||
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| # Set the MPP field to user mode (0) | ||
| li x29, 0b00 | ||
| slli x29, x29, 11 | ||
| or x28, x28, x29 | ||
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| # Write the modified MSTATUS value back to the CSR | ||
| csrw 0x300, x28 | ||
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| # Load address of user code | ||
| la x28, user_code | ||
| #set MEPC register to address of user code | ||
| csrw 0x341, x28 | ||
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| csrr x31, 0x300 | ||
| mret | ||
| user_code: | ||
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| CUS_U_ADD(01010,01010,01011); | ||
| CUS_U_ADD(01010,11111,11010); | ||
| CUS_ADD_MULTI(01010,01010,01011); | ||
| CUS_ADD(11010,11001,11011); | ||
| CUS_ADD(01010,01010,01011); | ||
| CUS_U_ADD(10000,00010,00000); | ||
| CUS_U_ADD(11111,11110,11111); | ||
| CUS_U_ADD(00000,01010,01011); | ||
| CUS_U_ADD(01010,01010,01011); | ||
| CUS_ADD_MULTI(01010,00000,01011); | ||
| CUS_U_ADD(11111,11111,01011); | ||
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| # (example of) final self-check test | ||
| li a0, 0xCAFE; | ||
| li a1, 0xCAFE; | ||
| xor a2, a0, a1; | ||
| beqz a2, pass; | ||
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| fail: | ||
| # Failure post-processing (messages, ecall setup etc.) | ||
| li a0, 0x0; | ||
| jal exit; | ||
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| pass: | ||
| # Success post-processing (messages, ecall setup etc.) | ||
| li a0, 0x0; | ||
| jal exit; |
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