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[PATCH 1/1] Add README
Schaefer, Daniel Helmut (DualStudy) <daniel.schaefer@...>
Signed-off-by: Daniel Schaefer <daniel.schaefer@...>
README.adoc | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
create mode 100644 README.adoc
diff --git a/README.adoc b/README.adoc
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+= RISC-V SBI specification
+SBI (Supervisor Binary Interface) is an interface between the Supervisor
+Execution Environment (SEE) and the supervisor. It allows the supervisor to
+execute some privileged operations by using the ecall instruction. Examples of
+SEE and supervisor are: M-Mode and S-Mode on Unix-class platforms, where SBI is
+the only interface between them, as well as the Hypervisor extended-Supervisor
+(HS) and Virtualized Supervisor (VS).
+Discussion of SBI occurs on the
+https://lists.riscv.org/g/tech-unixplatformspec[RISC-V Unix Platform Mailing
+list]. It is publicly readable but posting requires being a member of the
+RISC-V Foundation. Any new SBI extension needs to be discussed and approved
+there before being merged.
+https://github.com/riscv/opensbi[OpenSBI] is the reference implementation,
+but other implementations exist; see section "SBI Implementation IDs".
On Thu, May 28, 2020 at 4:54 PM Schaefer, Daniel Helmut (DualStudy)
Reviewed-by: Bin Meng <bin.meng@...>
On Thu, 2020-05-28 at 10:54 +0200, Schaefer, Daniel Helmut (DualStudy)
Signed-off-by: Daniel Schaefer <daniel.schaefer@...>Looks good to me. Merged to master.
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