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* The processor-internal instruction memory (IMEM) size _can be modified_ via the `MEM_INT_IMEM_SIZE` generic.
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* The processor-internal instruction memory (IMEM) size _can be modified_ via the `MEM_INT_IMEM_SIZE` generic.
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* The processor-internal data memory (DMEM) size _can be modified_ via the `MEM_INT_DMEM_SIZE` generic.
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* The processor-internal data memory (DMEM) size _can be modified_ via the `MEM_INT_DMEM_SIZE` generic.
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Note that this might require adaption of the NEORV32 linker script.
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Note that this might require adaption of the NEORV32 linker script.
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### [`neorv32_test_setup_approm.vhd`](https://github.com/stnolting/neorv32/blob/master/rtl/test_setups/neorv32_test_setup_approm.vhd)
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### [`neorv32_test_setup_approm.vhd`](https://github.com/stnolting/neorv32/blob/main/rtl/test_setups/neorv32_test_setup_approm.vhd)
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This setup configures a `rv32imc_Zicsr` CPU with 16kB IMEM (as pre-initialized ROM),
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This setup configures a `rv32imc_Zicsr` CPU with 16kB IMEM (as pre-initialized ROM),
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8kB DMEM and includes the GPIO module to drive 8 external signals (`gpio_o`)
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8kB DMEM and includes the GPIO module to drive 8 external signals (`gpio_o`)
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and the MTIME module for generating timer interrupts.
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and the MTIME module for generating timer interrupts.
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The setup uses the ["indirect boot"](https://stnolting.github.io/neorv32/#_indirect_boot)
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The setup uses the ["indirect boot"](https://stnolting.github.io/neorv32/#_indirect_boot)
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processor-internal IMEM during synthesis.
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processor-internal IMEM during synthesis.
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:books: See User Guide section [_Installing an Executable Directly Into Memory_](https://stnolting.github.io/neorv32/ug/#_installing_an_executable_directly_into_memory).
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:books: See User Guide section [_Installing an Executable Directly Into Memory_](https://stnolting.github.io/neorv32/ug/#_installing_an_executable_directly_into_memory).
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### [`neorv32_test_setup_bootloader.vhd`](https://github.com/stnolting/neorv32/blob/master/rtl/test_setups/neorv32_test_setup_bootloader.vhd)
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### [`neorv32_test_setup_bootloader.vhd`](https://github.com/stnolting/neorv32/blob/main/rtl/test_setups/neorv32_test_setup_bootloader.vhd)
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This setup configures a `rv32imc_Zicsr` CPU with 16kB IMEM (as RAM), 8kB DMEM
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This setup configures a `rv32imc_Zicsr` CPU with 16kB IMEM (as RAM), 8kB DMEM
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and includes the GPIO module to drive 8 external signals (`gpio_o`), the MTIME
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and includes the GPIO module to drive 8 external signals (`gpio_o`), the MTIME
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module for generating timer interrupts and UART0 to interface with the bootloader
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module for generating timer interrupts and UART0 to interface with the bootloader
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(via `uart0_txd_o` and `uart0_rxd_i`) via a serial terminal.
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(via `uart0_txd_o` and `uart0_rxd_i`) via a serial terminal.
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