Skip to content

shared/runtime/semihosting: Add RISC-V semihosting code. #15097

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 2 commits into from
Jun 6, 2024
Merged

shared/runtime/semihosting: Add RISC-V semihosting code. #15097

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
90d50ce
shared/runtime/semihosting: Rename ARM semihosting files.
agatti May 22, 2024
ace08c3
shared/runtime/semihosting: Add RISC-V semihosting support.
agatti May 22, 2024
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
2 changes: 1 addition & 1 deletion shared/runtime/semihosting.c → shared/runtime/semihosting_arm.c
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -24,7 +24,7 @@
* THE SOFTWARE.
*/

#include "semihosting.h"
#include "semihosting_arm.h"

// Resources:
// http://embed.rs/articles/2016/semi-hosting-rust/
Expand Down
10 changes: 5 additions & 5 deletions shared/runtime/semihosting.h → shared/runtime/semihosting_arm.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -23,16 +23,16 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#ifndef MICROPY_INCLUDED_LIB_UTILS_SEMIHOSTING_H
#define MICROPY_INCLUDED_LIB_UTILS_SEMIHOSTING_H
#ifndef MICROPY_INCLUDED_SHARED_RUNTIME_SEMIHOSTING_ARM_H
#define MICROPY_INCLUDED_SHARED_RUNTIME_SEMIHOSTING_ARM_H

/*

To use semi-hosting for a replacement UART:
- Add lib/semihosting/semihosting.c to the Makefile sources.
- Add shared/runtime/semihosting_arm.c to the Makefile sources.
- Call mp_semihosting_init() in main(), around the time UART is initialized.
- Replace mp_hal_stdin_rx_chr and similar in mphalport.c with the semihosting equivalent.
- Include lib/semihosting/semihosting.h in the relevant files.
- Include shared/runtime/semihosting_arm.h in the relevant files.

Then make sure the debugger is attached and enables semihosting. In OpenOCD this is
done with ARM semihosting enable followed by reset. The terminal will need further
Expand All @@ -48,4 +48,4 @@ int mp_semihosting_rx_char();
uint32_t mp_semihosting_tx_strn(const char *str, size_t len);
uint32_t mp_semihosting_tx_strn_cooked(const char *str, size_t len);

#endif // MICROPY_INCLUDED_LIB_UTILS_SEMIHOSTING_H
#endif // MICROPY_INCLUDED_SHARED_RUNTIME_SEMIHOSTING_ARM_H
Loading
Loading