SSE spec

Makefile

@@ -23,13 +23,15 @@ DEPS += src/ext-sys-suspend.adoc
 DEPS += src/ext-cppc.adoc
 DEPS += src/ext-nested-acceleration.adoc
 DEPS += src/ext-steal-time.adoc
+DEPS += src/ext-sse.adoc
 DEPS += src/ext-experimental.adoc
 DEPS += src/ext-vendor.adoc
 DEPS += src/ext-firmware.adoc
 DEPS += src/references.adoc
 IMAGES = images/riscv-sbi-intro1.png
 IMAGES += images/riscv-sbi-intro2.png
 IMAGES += images/riscv-sbi-hsm.png
+IMAGES += images/riscv-sbi-sse-sm.png
 REVSNIP = $(SPEC)/autogenerated/revision.adoc-snippet
 TARGETS = riscv-sbi.pdf
 TARGETS += riscv-sbi.html

riscv-sbi.adoc

@@ -4,7 +4,7 @@
 :company: RISC-V.org
 // Pull in variable with revision info
 include::autogenerated/revision.adoc-snippet[]
-:revremark: This document is Ratified. No changes are allowed. Any desired or needed changes can be the subject of a follow-on new extension. Ratified extensions are never revised. Visit http://riscv.org/spec-state for further details.
+:revremark: Assume everything can change.
 :url-riscv: http://riscv.org
 :doctype: book
 :preface-title: Preamble
@@ -38,9 +38,9 @@ endif::[]
 
 // Preamble
 [WARNING]
-.This document is in the link:http://riscv.org/spec-state[Ratified state]
+.This document is in the link:http://riscv.org/spec-state[Development]
 ====
-No changes are allowed. Any desired or needed changes can be the subject of a follow-on new extension. Ratified extensions are never revised
+Assume everything can change.
 
 ====
 
@@ -94,6 +94,8 @@ include::src/ext-nested-acceleration.adoc[]
 
 include::src/ext-steal-time.adoc[]
 
+include::src/ext-sse.adoc[]
+
 include::src/ext-experimental.adoc[]
 
 include::src/ext-vendor.adoc[]

src/binary-encoding.adoc

@@ -47,6 +47,8 @@ error codes.
 |  SBI_ERR_ALREADY_STARTED   | -7    | Already started
 |  SBI_ERR_ALREADY_STOPPED   | -8    | Already stopped
 |  SBI_ERR_NO_SHMEM          | -9    | Shared memory not available
+|  SBI_ERR_INVALID_STATE     | -10   | Invalid state
+|  SBI_ERR_BAD_RANGE         | -11   | Bad (or invalid) range
 |===
 
 An `ECALL` with an unsupported SBI extension ID (*EID*) or an unsupported SBI

src/changelog.adoc

@@ -1,5 +1,10 @@
 == Change Log
 
+=== Version 3.0-rc1
+* Added SBI SSE extension
+* Added error code SBI_ERR_BAD_RANGE
+* Added error code SBI_ERR_INVALID_STATE
+
 === Version 2.0
 * Clarification around SBI PMU set memory function
 * Base extension function name typo fix