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The scratch parameter of unpriv load/store functions is now redundant
hence we remove it.
Signed-off-by: Anup Patel <anup.patel@wdc.com>
Reviewed-by: Atish Patra <atish.patra@wdc.com>
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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 <anup.patel@wdc.com>
Reviewed-by: Atish Patra <atish.patra@wdc.com>
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The sbi_unpriv.h has quite a few load_xyz() and store_xyz() helper
routines based on RISC-V inline assembly for unpriviledged accesses
from M-mode. These helper routines are similar to helper routines
present in riscv_locks.h, riscv_io.h, and riscv_atomic.h so let's
rename sbi_unpriv.h to riscv_unpriv.h.
Signed-off-by: Anup Patel <anup.patel@wdc.com>
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This patch removes unused mepc arg from load_xyz() and store_xyz()
unpriviledge access functions.
Signed-off-by: Anup Patel <anup.patel@wdc.com>
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Some older toolchains may not have all the csr's defined. Update all
the csr functions to use the CSR_ #define values instead of the
toolchain defined values.
Suggested-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Atish Patra <atish.patra@wdc.com>
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Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
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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 <anup.patel@wdc.com>
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Signed-off-by: Anup Patel <anup.patel@wdc.com>
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