opensbi.git/include/sbi/sbi_ecall_interface.h, branch v1.7

lib: sbi: sse: Add support for SSTATUS.SDT

2025-03-27T12:46:44Z

Similarly to what is done for SPELP, handle SSTATUS.SDT upon event injection. In order to mimick an interrupt, set SDT to 1 for injection and save its previous value in interrupted_flags[5:5]. Restore it upon completion. Signed-off-by: Clément Léger Reviewed-by: Andrew Jones

lib: sbi: sse: Add support for SSTATUS.SPELP

2025-03-27T12:46:28Z

As raised during the ARC review, SPELP was not handled during the event injection process. Save it as part of the interrupted flags, clear it before injecting the event and restore it after completion. Signed-off-by: Clément Léger Reviewed-by: Andrew Jones

lib: sbi: sse: Rename STATUS* interrupted flags to SSTATUS*

2025-03-27T12:45:44Z

As raised by Andrew on the kvm-unit-test review, this flags are meant to hold SSTATUS bits in the specification. Rename them to match that. Signed-off-by: Clément Léger Reviewed-by: Andrew Jones

lib: sbi: sse: Update SSE event ids

2025-03-27T12:33:41Z

The latest specification added new high priority RAS events and renamed the PMU to PMU_OVERFLOW. Signed-off-by: Clément Léger Reviewed-by: Andrew Jones

lib: add tests for sbi_ecall functionality

2025-03-23T11:26:54Z

This patch adds unit tests for verifying the sbi_ecall version, impid handling, and extension registration functions. The tests ensure that the extension registration and unregistration work as expected. Signed-off-by: Akshay Behl Reviewed-by: Anup Patel

include: sbi: Add SBI_ERR_DENIED_LOCKED

2025-02-19T16:40:59Z

Add SBI_ERR_DENIED_LOCKED and set it as the SBI_LAST_ERR which was wrongly set to SBI_ERR_BAD_RANGE. Signed-off-by: Clément Léger Reviewed-by: Anup Patel

lib: sbi: Update MPXY framework and SBI extension as per latest spec

2025-02-13T05:40:03Z

The latest SBI 3.0 spec defines a new sbi_mpxy_get_shmem_size() function and simplifies sbi_mpxy_set_shmem() function so update the MPXY framework and SBI extension accordingly. Signed-off-by: Anup Patel

lib: sbi: fix GLOBAL_PLAT_DEFINE

2024-12-15T06:22:57Z

Fix GLOBAL_PLAT_0_START/END definitions. The specification states that the beginning of the range is 0xc000 and the end is 0xffff. Reported-by: Andrew Jones Signed-off-by: Clément Léger Reviewed-by: Anup Patel

lib: sbi: Implement SBI MPXY extension

2024-12-06T03:56:52Z

Implement the SBI MPXY extension which provides an SBI interface to the supervisor software for send messages via MPXY framework. Signed-off-by: Rahul Pathak Co-developed-by: Anup Patel Signed-off-by: Anup Patel

lib: sbi: Add SBI Message Proxy (MPXY) framework

2024-12-06T03:56:50Z

Introduce SBI Message Proxy (MPXY) framework which allows platform specific code or drivers to register message protocol specific channels. This framework enables the supervisor software to send messages belonging to different message protocols via OpenSBI firmware. Signed-off-by: Rahul Pathak Co-developed-by: Himanshu Chauhan Signed-off-by: Himanshu Chauhan Co-developed-by: Anup Patel Signed-off-by: Anup Patel