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This folder provides the core of the NEORV32 software framework.
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This folder provides the core of the NEORV32 software framework.
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This is a short description of the main folders.
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This is a short description of the main folders.
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## [bootloader](bootloader)
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## [`bootloader`](bootloader)
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Source(s) of the default NEORV32 bootloader.
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Source(s) of the default NEORV32 bootloader.
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A pre-built image is already installed into the rtl design via the `rtl/core/neorv32_bootloader_image.vhd` file.
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A pre-built image is already installed into the rtl design via the `rtl/core/neorv32_bootloader_image.vhd` file.
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## [common](common)
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## [`common`](common)
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NEORV32-specific common files for all bootloader and application programs:
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NEORV32-specific common files for all bootloader and application programs:
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linker script for executable generation and processor start-up code.
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linker script for executable generation and processor start-up code.
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## [example](example)
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## [`example`](example)
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Several example programs for testing and for getting started.
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Several example programs for testing and for getting started.
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## [image_gen](image_gen)
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## [`image_gen`](image_gen)
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This folder contains a simple program that is used to create NEORV32 executables (for upload via bootloader) and VHDL
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This folder contains a simple program that is used to create NEORV32 executables (for upload via bootloader) and VHDL
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memory initialization files (for memory-persistent applications and for the bootloader).
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memory initialization files (for memory-persistent applications and for the bootloader).
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This program is automatically compiled using the native GCC when invoking one of the application compilation makefiles.
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This program is automatically compiled using the native GCC when invoking one of the application compilation makefiles.
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## [isa-test](isa-test)
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## [`lib`](lib)
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NEORV32 RISC-V Architecture Test Framework.
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See [sim/README](../sim/README.md).
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## [lib](lib)
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Core libraries (sources and header files) and helper functions for using the processor peripherals and the CPU itself.
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Core libraries (sources and header files) and helper functions for using the processor peripherals and the CPU itself.
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## [ocd-firmware](ocd-firmware)
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## [`ocd-firmware`](ocd-firmware)
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Firmware (debugger "park loop") for the on-chip debugger. This folder is just for documenting the source code.
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Firmware (debugger "park loop") for the on-chip debugger. This folder is just for documenting the source code.
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Modifying the sources is not recommended as this could break the on-chip debugger.
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Modifying the sources is not recommended as this could break the on-chip debugger.
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## [openocd](openocd)
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## [`openocd`](openocd)
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Configuration file for openOCD to connect to the NEORV32 on-chip debugger via JTAG.
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Configuration file for openOCD to connect to the NEORV32 on-chip debugger via JTAG.
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## [svd](svd)
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## [`svd`](svd)
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Contains a CMSIS-SVD compatible system view description file including _all_ peripherals.
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Contains a CMSIS-SVD compatible system view description file including _all_ peripherals.
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