From f73d3b20a07cd206db8d7c7dd8679e6eecb02391 Mon Sep 17 00:00:00 2001
From: dwarning <dwarning>
Date: Wed, 1 Feb 2023 23:25:28 +0100
Subject: [PATCH] implement typedpnjlim as optional limiter for verilog-a
 models

---
 src/osdi/osdicallbacks.c | 12 ++++++++++++
 src/osdi/osdidefs.h      |  3 ++-
 src/osdi/osdiregistry.c  |  1 +
 3 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/src/osdi/osdicallbacks.c b/src/osdi/osdicallbacks.c
index de7b1dc97..1efecf212 100644
--- a/src/osdi/osdicallbacks.c
+++ b/src/osdi/osdicallbacks.c
@@ -50,6 +50,18 @@ double osdi_pnjlim(bool init, bool *check, double vnew, double vold, double vt,
   return res;
 }
 
+double osdi_typedpnjlim(bool init, bool *check, double vnew, double vold, double vt,
+                   double vcrit, double type) {
+  if (init) {
+    *check = true;
+    return vcrit;
+  }
+  int icheck = 0;
+  double res = DEVpnjlim(type*vnew, vold, vt, vcrit, &icheck);
+  *check = icheck != 0;
+  return res;
+}
+
 double osdi_limvds(bool init, bool *check, double vnew, double vold) {
   if (init) {
     *check = true;
diff --git a/src/osdi/osdidefs.h b/src/osdi/osdidefs.h
index 6130482ad..d1108b666 100644
--- a/src/osdi/osdidefs.h
+++ b/src/osdi/osdidefs.h
@@ -96,7 +96,8 @@ typedef void (*osdi_log_ptr)(void *handle, char *msg, uint32_t lvl);
 
 double osdi_pnjlim(bool init, bool *icheck, double vnew, double vold, double vt,
                    double vcrit);
-
+double osdi_typedpnjlim(bool init, bool *icheck, double vnew, double vold, double vt,
+                   double vcrit, double type);
 double osdi_limvds(bool init, bool *icheck, double vnew, double vold);
 double osdi_limitlog(bool init, bool *icheck, double vnew, double vold,
                      double LIM_TOL);
diff --git a/src/osdi/osdiregistry.c b/src/osdi/osdiregistry.c
index 6da846451..66d14704b 100644
--- a/src/osdi/osdiregistry.c
+++ b/src/osdi/osdiregistry.c
@@ -338,6 +338,7 @@ extern OsdiObjectFile load_object_file(const char *input) {
   for (uint32_t i = 0; i < lim_table_len; i++) {
     int expected_args = -1;
     IS_LIM_FUN("pnjlim", 2, osdi_pnjlim)
+    IS_LIM_FUN("typedpnjlim", 3, osdi_typedpnjlim)
     IS_LIM_FUN("limvds", 0, osdi_limvds)
     IS_LIM_FUN("fetlim", 1, osdi_fetlim)
     IS_LIM_FUN("limitlog", 1, osdi_limitlog)