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3 Commits (824ddaa2f109563e35b73f3e64aaa10e4f7b84ae)

Author SHA1 Message Date
Michael Brown e0e102ee24 [sbi] Add support for running as a RISC-V SBI payload 
Add basic support for running directly on top of SBI, with no UEFI
firmware present.  Build as e.g.:

  make CROSS=riscv64-linux-gnu- bin-riscv64/ipxe.sbi

The resulting binary can be tested in QEMU using e.g.:

  qemu-system-riscv64 -M virt -cpu max -serial stdio \
                      -kernel bin-riscv64/ipxe.sbi

No drivers or executable binary formats are supported yet, but the
unit test suite may be run successfully.

Signed-off-by: Michael Brown <mcb30@ipxe.org>
 2024-10-28 19:20:50 +00:00
Michael Brown 21940425c4 [riscv] Add support for reboot and power off via SBI 
Signed-off-by: Michael Brown <mcb30@ipxe.org>
 2024-10-22 15:13:59 +01:00
Michael Brown b23204b383 [riscv] Add support for the SBI debug console 
Add the ability to issue Supervisor Binary Interface (SBI) calls via
the ECALL instruction, and use the SBI DBCN extension to implement a
debug console.

Signed-off-by: Michael Brown <mcb30@ipxe.org>
 2024-10-22 12:51:48 +01:00