opensbi.git/include/sbi/sbi_trap.h, branch v0.8

lib: sbi_trap: Simplify sbi_trap_handler() API

2020-03-28T08:02:23Z

This patch simplify sbi_trap_handler() API as follows: 1. Remove current hartid local variable because sbi_trap_handler() itself does not need it. 2. Remove scratch parameter because none of the functions directly called by sbi_trap_handler() require it. Signed-off-by: Anup Patel Reviewed-by: Atish Patra

lib: sbi_trap: Remove scratch parameter from sbi_trap_redirect()

2020-03-28T08:02:04Z

The scratch parameter of sbi_trap_redirect() is not used hence we remove it. Signed-off-by: Anup Patel Reviewed-by: Atish Patra

lib: Optimize unpriv load/store implementation

2020-03-28T08:01:53Z

This patch optimize unpriv load/store implementation by having dedicated unpriv trap handler (just like KVM RISC-V). As a result of this optimization: 1. We have reduced roughly 13+ instruction in all unpriv load/store functions. The reduced instruction also include two function calls. 2. Per-HART trap info pointer in scratch space is now redundant hence removed. 3. The sbi_trap_handler() is now much cleaner because we don't have to handle unpriv load/store traps. Signed-off-by: Anup Patel Reviewed-by: Atish Patra

include: Extend struct sbi_trap_info for mtval2 and mtinst

2019-12-16T09:18:19Z

We have two new trap CSRs namely mtval2 and mtinst when RISC-V hypervisor extension is available hence we extend struct sbi_trap_info accordingly. Signed-off-by: Anup Patel Reviewed-by: Alistair Francis

lib: Better naming of unpriv APIs for wider use

2019-11-21T08:27:33Z

The unpriv APIs can be useful to external firmware and out-of-tree platform support code. This patch adds "sbi_" prefix to unpriv load/store APIs and rename struct riscv_unpriv to struct sbi_trap_info everywhere. We also place struct sbi_trap_info in sbi/sbi_trap.h so that we can use it for sbi_trap_redirect() as well. Overall, this patch will make naming of unpriv APIs consistent with other OpenSBI APIs. Signed-off-by: Anup Patel Reviewed-by: Atish Patra

lib: Extend sbi_trap_redirect() for hypervisor extension

2019-09-30T09:59:37Z

When hypervisor extension is available, we can get traps from VS/VU modes. We should be able to force redirect some of these traps to HS-mode. In other words, we should be able forward traps from VS/VU mode to HS-mode using sbi_trap_redirect() hence this patch. Signed-off-by: Atish Patra Signed-off-by: Anup Patel Signed-off-by: Alistair Francis

all: run clang-format and update checked-in files

2019-04-24T04:19:46Z

Noisy commit, no functional changes. Generated with an current upstream clang-format and: clang-format -i $(find . -name \*.[ch]) Signed-off-by: Olof Johansson

all: Annotate some tables to have clang-format leave them alone

2019-04-24T04:19:46Z

One of the shortcomings of clang-format is that it doesn't allow for aligned define tables, which is used for a number of constants. Add annotation to disable the automatic formatting where needed. Signed-off-by: Olof Johansson

all: Update copyright header in all files

2019-01-24T08:37:47Z

This patch updates copyright header in all files as follows: 1. Makes "SPDX-License-Identifier: BSD-2-Clause" as first line 2. Change copyright year to 2019 for Western Digital Signed-off-by: Anup Patel

include: Add documentation for sbi_trap_regs and friends

2019-01-16T05:55:25Z

This patch adds doxygen style documentation for struct sbi_trap_regs and related macros/defines/functions. Signed-off-by: Anup Patel