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-rw-r--r--share/man/man9/arch.913
1 files changed, 12 insertions, 1 deletions
diff --git a/share/man/man9/arch.9 b/share/man/man9/arch.9
index adbc437..89cdb41 100644
--- a/share/man/man9/arch.9
+++ b/share/man/man9/arch.9
@@ -24,7 +24,7 @@
.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
.\" POSSIBILITY OF SUCH DAMAGE.
-.Dd Jan 12 2024
+.Dd Mar 13 2024
.Dt ARCH 9
.Os Hyra
.Sh NAME
@@ -113,5 +113,16 @@ header, should be a struct containing information
about the address space. This header MUST be implemented
or compiler errors will occur.
+There also exists a
+.Ft pcb
+(Process Control Block) structure in the
+.Ft machine/pcb.h
+header which contains arch specific information per thread.
+
+This structure must be implemented per arch, this structure shall be set up
+by the machdep subsystem, specifically in the
+.Ft processor_init_pcb()
+routine.
+
.Sh AUTHORS
.An Ian Moffett Aq Mt ian@osmora.org