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Feature: RISC-V semihosting support#2115

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ALTracer wants to merge 140 commits intoblackmagic-debug:mainfrom

ALTracer:feature/riscv-semihosting

Commits on Mar 8, 2026

misc: update links github to codeberg
gojimmypi
committed
bmp-v3: Begun fleshing out the platform definitions for the pinout
dragonmux
committed
bmp-v3: Added pin definitions for all the most major moving pieces
dragonmux
committed
adiv5_swd: Fixed some issues in the copyright header
dragonmux
committed
bmp-v3: Started filling in interrupt setup and control macros
dragonmux
committed
common/stm32: Defined the STM32U5 as a viable BMP platform target
dragonmux
committed
native: Fixed the copyright headers
dragonmux
committed
common: Enable various facilities for the STM32U5 series
dragonmux
committed
bmp-v3: Roughly implemented the SWDIO drive mode switch macros
dragonmux
committed
bmp-v3: Added configuration for the SWO pin
dragonmux
committed
bmp-v3: Defined the DMA setup for the SWO and AUX UART subsystems
dragonmux
committed
common/aux_serial: Implemented support for sourcing data from two UARTs and switching between them automatically
dragonmux
committed
bmp-v3: Added a linker script for the platform
dragonmux
committed
common/aux_serial: Built out DMA configuration for the STM32U5 as it's quite different to the other platforms
dragonmux
committed
ch32vx: Gate the read Flash size function properly on whether DEBUG_INFO does anything to avoid unused warnings
dragonmux
committed
common/swo_uart: Built out DMA configuration for the STM32U5 as it's quite different to the other platforms
dragonmux
committed
common/swo_manchester: Handle the STM32U5 timer input multiplexing properly
dragonmux
committed
meson: Added the new BMPv3 platform to the build system, integrating a suitable cross file too
dragonmux
committed
bmp-v3: Begun implementing the platform-specific functions
dragonmux
committed
native: Removed a duplicated include line
dragonmux
committed
native: Fixed up the copyright header
dragonmux
committed
bmp-v3: Defined the first part of platform initialisation, bringing up USB, timing, and setting up the correct vector table address
dragonmux
committed
stlinkv3: Removed a duplicated include line
dragonmux
committed
native: Added some `const` to the ADC code the updated locm3 allows
dragonmux
committed
bmp-v3: Implemented target voltage readout using the ADCs and tpwr sense pin
dragonmux
committed
bmp-v3: Implemented bringup of the various core peripherals and clocking
dragonmux
committed
bmp-v3: Implemented the boot request logic
dragonmux
committed
bmp-v3: Implemented handling for the hardware version info
dragonmux
committed
bmp-v3: Fleshed out GPIO configuration and bringup
dragonmux
committed
bmp-v3: Defined clocking for the platform
dragonmux
committed
bmp-v3: Built out the bootloader for the platform
dragonmux
committed
common: Built a new, more suitable bootloader backend for the STM32U5
dragonmux
committed
common: Enabled the STM32U5 in the core DFU bootloader
dragonmux
committed
common: Cleaned up the core DFU bootloader using the buffer_utils header
dragonmux
committed
bmp-v3: Initialise the UART subsystem and configure the UART pins appropriately
dragonmux
committed
misc: Turn off a clang-analyzer-core lint that we cannot avoid due to writing firmware
dragonmux
committed
bmp-v3: Initialise the LED pins so we can see the GDB machinary state
dragonmux
committed

Commits on Mar 9, 2026

Commits on Mar 14, 2026

Commits on Mar 16, 2026

Commits on Mar 22, 2026

Commits on Mar 25, 2026

riscv_debug: Reorder editing triggers *after* the halting
ALTracer
committed

Commits on Mar 27, 2026

Commits on Mar 29, 2026