| # Copyright (c) 2025 Andes Technology Corporation |
| # SPDX-License-Identifier: Apache-2.0 |
| |
| config CPU_HAS_ANDES_EXECIT |
| bool |
| help |
| The AndesCore supports EXEC.IT instruction. |
| |
| config RISCV_CUSTOM_CSR_ANDES_EXECIT |
| bool "Andes V5 EXEC.IT extension" |
| depends on CPU_HAS_ANDES_EXECIT |
| depends on RISCV_ISA_EXT_C |
| depends on !RISCV_GENERIC_TOOLCHAIN |
| depends on !LINKER_USE_NO_RELAX |
| help |
| The EXEC.IT extension (Execution on Instruction Table) generate |
| a look-up table and replaces suitable 32-bit instructions with |
| the 16-bit "exec.it <INDEX>". |
| |
| config RISCV_CUSTOM_CSR_ANDES_NEXECIT |
| bool "Andes V5 New EXEC.IT opcode encoding" |
| depends on RISCV_CUSTOM_CSR_ANDES_EXECIT |
| help |
| The New EXEC.IT instruction is an alias of EXEC.IT with different |
| opcode encoding. |
| |
| config CPU_HAS_ANDES_HWDSP |
| bool |
| help |
| The AndesCore supports hardware DSP extension. |
| |
| config RISCV_CUSTOM_CSR_ANDES_HWDSP |
| bool "AndeStar V5 DSP ISA" |
| depends on CPU_HAS_ANDES_HWDSP |
| depends on !RISCV_GENERIC_TOOLCHAIN |
| help |
| This option enables the AndeStar v5 hardware DSP, in order to |
| support using the DSP instructions. |
| |
| config CPU_HAS_ANDES_PFT |
| bool |
| help |
| The AndesCore supports PowerBrake extension. |
| |
| config RISCV_CUSTOM_CSR_ANDES_PFT |
| bool "Andes V5 PowerBrake extension" |
| depends on CPU_HAS_ANDES_PFT |
| help |
| The PowerBrake extension throttles performance by reducing instruction |
| executing rate. |
| |
| config CPU_HAS_ANDES_PMA |
| bool |
| help |
| The AndesCore supports Programmable PMA. |
| |
| config RISCV_CUSTOM_CSR_ANDES_PMA |
| bool "Andes V5 Physical Memory Attribute (PMA)" |
| depends on CPU_HAS_ANDES_PMA |
| select ARCH_HAS_NOCACHE_MEMORY_SUPPORT |
| help |
| This option enables the Andes V5 PMA, in order to support SW to |
| configure physical memory attribute by PMA CSRs. The address |
| matching of Andes V5 PMA is like RISC-V PMP NAPOT mode |
| (power-of-two alignment). |
| |
| config RISCV_CUSTOM_CSR_ANDES_PMA_NAPOT_GRANULARITY |
| int |
| depends on RISCV_CUSTOM_CSR_ANDES_PMA |
| default 4096 |
| help |
| Minimum size (and alignment) of an PMA region. Use this symbol |
| to guarantee minimum size and alignment of PMA regions. |
