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authorgingold <gingold@b72b5c32-5f01-0410-b925-b5c7b92870f7>2010-01-28 06:08:48 +0000
committergingold <gingold@b72b5c32-5f01-0410-b925-b5c7b92870f7>2010-01-28 06:08:48 +0000
commite2b41faa79b1f32569ccbc514a375fc2e6f5e99f (patch)
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Improve doc.
Remove ortho_code-sysdeps. Add Pragma convention C in grt for accesses to subprograms. Fix build on windows.
Diffstat (limited to 'doc')
-rw-r--r--doc/ghdl.texi7
1 files changed, 4 insertions, 3 deletions
diff --git a/doc/ghdl.texi b/doc/ghdl.texi
index eed41f110..ea44ebb98 100644
--- a/doc/ghdl.texi
+++ b/doc/ghdl.texi
@@ -1931,7 +1931,8 @@ completely analyzed using either the 87 or the 93 version of the VHDL standard.
@node PSL implementation, Source representation, VHDL standards, GHDL implementation of VHDL
@comment node-name, next, previous, up
@section PSL implementation
-GHDL understands embedded PSL annotations in VHDL files, but in separate files.
+GHDL understands embedded PSL annotations in VHDL files, but not in
+separate files.
As PSL annotations are embedded within comments, you must analyze and elaborate
your design with option @option{-fpsl} to enable PSL annotations.
@@ -1941,8 +1942,8 @@ with the @code{psl} keyword. The keyword must be followed (on the
same line) by a PSL keyword such as @code{assert} or @code{default}.
To continue a PSL statement on the next line, just start a new comment.
-A PSL statement is considered as a concurrent statement, and therefore is
-allowed only where processes are.
+A PSL statement is considered as a process. So it is not allowed within
+a process.
All PSL assertions must be clocked (GHDL doesn't support unclocked assertion).
Furthermore only one clock per assertion is allowed.