From: lkcl <lkcl@web>
Date: Sat, 23 Jul 2022 12:28:46 +0000 (+0100)
Subject: (no commit message)
X-Git-Tag: opf_rfc_ls005_v1~1087
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=7bc6428bc9d135a304578b79f6985c07f4a996d7;p=libreriscv.git

---

diff --git a/docs/pypowersim.mdwn b/docs/pypowersim.mdwn
index 178b3fcf6..519f9aa64 100644
--- a/docs/pypowersim.mdwn
+++ b/docs/pypowersim.mdwn
@@ -74,6 +74,18 @@ example script
    9 7: 1             # param 5: ptr_diff_t incr      1
 ```
 
+**Example SPR file**
+
+See <https://git.libre-soc.org/?p=openpower-isa.git;a=blob;f=media/common.spr;hb=HEAD>
+
+This file sets SPRs to explicit values prior to execution. In this
+example Link Register LR is set to 0xffffffff which on completion
+of the function sets PC to an invalid out-of-bounds value causing
+program termination.
+
+```
+```
+
 ### Before running the tests!
 
 **NOTE**: Is this correct?