Update wbs

Revise time estimates.  Add bare metal and rtos tasks (not scheduled).

wbs.md

@@ -28,7 +28,7 @@
 
 spec Specifications
 spec-isa ISA Specification Package
-spec-isa-priv privileged opcode and state multiplexing dep=none owner=[email protected] [5w, 6w, 8w] progress=0%
+spec-isa-priv privileged opcode and state multiplexing dep=none owner=[email protected] [8w, 10w, 12w] progress=0%
 
   Specify an ISA extension for more privileged code to grant access to
   a CX to less privileged code, and to enable privileged code to trap
@@ -37,7 +37,7 @@ spec-isa-priv privileged opcode and state multiplexing dep=none owner=unknown@ex
   If necessary the ISA extension also supports access control to multiple
   CX instances of the same CX.
 
-spec-isa-unpriv unprivileged opcode and state multiplexing [3w, 4w, 6w]
+spec-isa-unpriv unprivileged opcode and state multiplexing [5w, 7w, 10w]
 
   Specify an ISA extension to select the current CX to perform custom
   instructions/CSRs, and to indicate multiplexing status/errors.
@@ -58,34 +58,34 @@ spec-criteria Composability criteria
 
   Specify criteria for a composable custom extension.
 
-spec-criteria-ext Basic composability criteria [1w, 1w, 2w]
+spec-criteria-ext Basic composability criteria [1w, 3w, 4w]
 
   Specify basic criteria for a custom extension to be deemed a
   composable custom extension, excluding any behavior for accessing
   memory.
 
-spec-criteria-mem Composable memory access behavior [1w, 1w, 2w]
+spec-criteria-mem Composable memory access behavior [1w, 3w, 4w]
 
   Specify a portable memory model for composable custom extensions.
 
 spec-disc Discovery
-spec-disc-ud Unified Discovery [1w, 2w, 4w]
+spec-disc-ud Unified Discovery [2w, 4w, 8w]
 
   Add schema for identifying composable custom extension on harts and
   any necessary parameters, such as state size.
 
   If necessary add schema for identifying multiple CX instances and
   heterogeneous per-hart accessibility of these CX instances.
 
-spec-disc-dt Devicetree [1w, 2w, 4w]
+spec-disc-dt Devicetree [2w, 4w, 8w]
 
   Add schema for attributes that identify composable custom extension
   on harts and any necessary parameters, such as state size.
 
   If necessary add schema for identifying multiple CX instances and
   heterogeneous per-hart accessibility of these CX instances.
 
-spec-disc-acpi ACPI [2w, 3w, 6w]
+spec-disc-acpi ACPI [4w, 6w, 8w]
 
   Add definition for ACPI table for identifying composable custom
   extension on harts and any necessary parameters, such as state size.
@@ -97,7 +97,7 @@ spec-sbi SBI extension [0d, 0d, 0d]
 
   It is unclear if an SBI extension is necessary.  It will be specified as needed.
 
-spec-linux Linux syscall [2w, 3w, 5w]
+spec-linux Linux syscall [4w, 6w, 8w]
 
   Add interfaces to hwprobe, prctl, and sysfs to provide discovery of
   composable custom extensions and related parameters and control of
@@ -128,7 +128,7 @@ spec-abi-legacy Legacy interoperability calling convention [4w, 6w, 8w]
   defining extension specific calling conventions that support similar
   behavior.
 
-spec-uapi User space API [1w, 4w, 6w]
+spec-uapi User space API [2w, 6w, 9w]
 
   Specify an API that provides a uniform CX programming model
   including CX naming, discovery, versioning, CX selection, and error
@@ -199,7 +199,7 @@ sw-linux-acpi ACPI configuration dep=spec-disc-acpi [8d, 2w, 3w]
   Add support to Linux for obtaining the composable custom extension
   configuration from the specified ACPI table.
 
-sw-linux-state Context save and restore dep=spec-isa-state [3w, 4w, 6w]
+sw-linux-state Context save and restore dep=spec-isa-state [6w, 8w, 10w]
 
   Add support to Linux for managing composable custom extension
   framework state and extension state, including saving and restoring
@@ -208,14 +208,22 @@ sw-linux-state Context save and restore dep=spec-isa-state [3w, 4w, 6w]
 
   If necessary add additional support for a multiple CX instance model.
 
-sw-linux-uabi Linux User Space ABI dep=spec-linux [2w, 3w, 5w]
+sw-linux-uabi Linux User Space ABI dep=spec-linux [4w, 6w, 10w]
 
   Add support to Linux for specified the user space ABI, including
   hwprobe, prctl, and sysfs support.  Add documentation and self tests
   as appropriate.
 
   If necessary add additional support for a multiple CX instance model.
 
+sw-baremetal Bare metal software support [0d, 0d, 0d]
+
+  Bare metal software support is not planned.
+
+sw-rtos Real time operating system support [0d, 0d, 0d]
+
+  Real time operating system support is not planned.
+
 sw-abi User space ABI
 sw-abi-binutils binutils support dep=spec-abi-cx,spec-abi-legacy [3w, 4w, 6w]
 
@@ -233,28 +241,28 @@ sw-abi-gcc gcc support dep=spec-abi-cx,spec-abi-legacy [2w, 3w, 5w]
 
   Add instrinsics for new opcodes, as needed.
 
-sw-abi-glibc glibc support dep=spec-abi [1w, 2w, 4w]
+sw-abi-glibc glibc support dep=spec-abi [2w, 4w, 8w]
 
   Handle user visible framework hart state as necessary, including in
   setcontext/makecontext and setjmp/longjmp.
 
   If necessary add additional support for a multiple CX instance model.
 
 sw-uapi User space API
-sw-uapi-glibc glibc support dep=spec-linux,spec-uapi [1w, 2w, 4w]
+sw-uapi-glibc glibc support dep=spec-linux,spec-uapi [2w, 4w, 8w]
 
   Add wrappers in glibc for the specified Linux hwprobe and/or prctl
   functions.
 
 poc Proof of concept
 poc-qemu QEMU model
 poc-qemu-isa ISA support
-poc-qemu-isa-priv privileged opcode and state multiplexing dep=spec-isa-priv [2w, 4w, 6w]
+poc-qemu-isa-priv privileged opcode and state multiplexing dep=spec-isa-priv [4w, 8w, 10w]
 
   Implement a model of the privileged opcode and state multiplexing features of
   the ISA.
 
-poc-qemu-isa-unpriv unprivileged opcode and state multiplexing dep=spec-isa-unpriv [2w, 3w, 5w]
+poc-qemu-isa-unpriv unprivileged opcode and state multiplexing dep=spec-isa-unpriv [4w, 6w, 10w]
 
   Implement a model of the unprivileged opcode and state multiplexing
   features of the ISA.
@@ -272,12 +280,12 @@ poc-qemu-sampleext Sample extension [1w, 2w, 3w]
 
 poc-hw Hardware implementation
 poc-hw-isa ISA support
-poc-hw-isa-priv privileged opcode and state multiplexing dep=spec-isa-priv [2w, 4w, 6w]
+poc-hw-isa-priv privileged opcode and state multiplexing dep=spec-isa-priv [4w, 8w, 10w]
 
   Implement the privileged opcode and state multiplexing features of
   the ISA in hardware.
 
-poc-hw-isa-unpriv unprivileged opcode and state multiplexing dep=spec-isa-unpriv [2w, 3w, 5w]
+poc-hw-isa-unpriv unprivileged opcode and state multiplexing dep=spec-isa-unpriv [4w, 6w, 10w]
 
   Implement the unprivileged opcode and state multiplexing
   features of the ISA in hardware.
@@ -291,7 +299,7 @@ poc-hw-li Logic interface dep=spec-li [2w, 4w, 6w]
 
   Implement the logic level interface to a processor in hardware.
 
-poc-hw-sampleext Sample extension dep=spec-li [4w, 6w, 8w]
+poc-hw-sampleext Sample extension dep=spec-li [2w, 3w, 5w]
 
   Implement a sample composable custom extension that provides all
   necessary interface with framework and a simple noop function.
@@ -302,12 +310,12 @@ poc-sampleapp Sample application dep=spec-uapi [2w, 3w, 4w]
   basic framework functions and a noop extension function.
 
 poc-int Integration testing
-poc-int-qemu QEMU model integration testing dep=sw,poc-qemu,poc-sampleapp [3w, 4w, 12w]
+poc-int-qemu QEMU model integration testing dep=sw,poc-qemu,poc-sampleapp [6w, 8w, 20w]
 
   Combine completed system software, QEMU model, and application
   software; test and debug.
 
-poc-int-hw Hardware implementation integration testing dep=sw,poc-hw,poc-sampleapp [3w, 4w, 12w]
+poc-int-hw Hardware implementation integration testing dep=sw,poc-hw,poc-sampleapp [6w, 8w, 20w]
 
   Combine completed system software, hardware implementation, and
   application software; test and debug.