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lib: Add possible hart status values

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SBI HSM extension defines possible hart status values in the
specification.

Define all possible status values. Add a helper function to
convert hart state to status because hart states are internal
to OpenSBI only and may not match the status values defined in
the specification.

Signed-off-by: Atish Patra <atish.patra@wdc.com>
Reviewed-by: Anup Patel <anup.patel@wdc.com>
This commit is contained in:
Atish Patra
2020-02-11 17:32:38 -08:00
committed by Anup Patel
parent b677a9b8d6
commit 5b4824082f
3 changed files with 31 additions and 0 deletions
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5
include/sbi/sbi_ecall_interface.h
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@@ -51,6 +51,11 @@
#define SBI_EXT_RFENCE_REMOTE_HFENCE_VVMA 0x5
#define SBI_EXT_RFENCE_REMOTE_HFENCE_VVMA_ASID 0x6
#define SBI_HSM_HART_STATUS_STARTED 0x0
#define SBI_HSM_HART_STATUS_STOPPED 0x1
#define SBI_HSM_HART_STATUS_START_PENDING 0x2
#define SBI_HSM_HART_STATUS_STOP_PENDING 0x3
#define SBI_SPEC_VERSION_MAJOR_OFFSET 24
#define SBI_SPEC_VERSION_MAJOR_MASK 0x7f
#define SBI_SPEC_VERSION_MINOR_MASK 0xffffff