X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=resources.mdwn;h=7ed10e4c143ed54ca2467a1d55f4096e911f8cd7;hb=e4f21d4cc5b1fc8b167632b74a7600c27df89045;hp=f74629fdd1a5cb9dd757e99f7f8e4dd14f78e654;hpb=35310141e6123d32b64021212f85b53db38b9230;p=libreriscv.git

diff --git a/resources.mdwn b/resources.mdwn
index f74629fdd..7ed10e4c1 100644
--- a/resources.mdwn
+++ b/resources.mdwn
@@ -21,6 +21,10 @@ This section is primarily a series of useful links found online
 * [3.0 PDF](https://openpowerfoundation.org/?resource_lib=power-isa-version-3-0)
 * [2.07 PDF](https://openpowerfoundation.org/?resource_lib=ibm-power-isa-version-2-07-b)
 
+## Overview of the user ISA:
+
+[Raymond Chen's PowerPC series](https://devblogs.microsoft.com/oldnewthing/20180806-00/?p=99425)
+
 # RISC-V Instruction Set Architecture
 
 **PLEASE UPDATE** - we are no longer implementing full RISCV, only user-space
@@ -47,6 +51,9 @@ at the moment. However, there are many wiki pages that make a reference
 to the V extension so it would be good to include it here as a reference
 for comparative/informative purposes with regard to Simple-V.
 
+## Radix MMU
+ - [Qemu emulation](https://github.com/qemu/qemu/commit/d5fee0bbe68d5e61e2d2beb5ff6de0b9c1cfd182)
+
 
 # RTL Arithmetic SQRT, FPU etc.
 
@@ -54,6 +61,13 @@ for comparative/informative purposes with regard to Simple-V.
 * [Fast Floating Point Square Root](https://pdfs.semanticscholar.org/5060/4e9aff0e37089c4ab9a376c3f35761ffe28b.pdf)
 * [Reciprocal Square Root Algorithm](http://www.acsel-lab.com/arithmetic/arith15/papers/ARITH15_Takagi.pdf)
 
+## CORDIC and related algorithms
+* [BKM (log(x) and e^x)](https://en.wikipedia.org/wiki/BKM_algorithm)
+* [CORDIC](http://www.andraka.com/files/crdcsrvy.pdf)
+ - Does not have an easy way of computing tan(x)
+* [zipcpu CORDIC](https://zipcpu.com/dsp/2017/08/30/cordic.html)
+* [Low latency and Low error floating point TCORDIC](https://ieeexplore.ieee.org/document/7784797) (email Michael or Cole if you don't have IEEE access)
+
 ## IEEE Standard for Floating-Point Arithmetic (IEEE 754)
 
 Almost all modern computers follow the IEEE Floating-Point Standard. Of
@@ -66,6 +80,12 @@ it is unfortunately not freely available and requires a payment to
 access. However, each of the Libre RISC-V members already have access
 to the document.
 
+## Past FPU Mistakes to learn from
+
+* [Intel Underestimates Error Bounds by 1.3 quintillion on 
+Random ASCII – tech blog of Bruce Dawson ](https://randomascii.wordpress.com/2014/10/09/intel-underestimates-error-bounds-by-1-3-quintillion/)
+* [Intel overstates FPU accuracy 06/01/2013](http://notabs.org/fpuaccuracy)
+
 # Khronos Standards
 
 The Khronos Group creates open standards for authoring and acceleration
@@ -244,6 +264,9 @@ ZipCPU provides a comprehensive tutorial for beginners and many exercises/quizze
   RTL for a SOC configured with cache, a RISCV core, ethernet, DRAM support,
   and parameterizeable CSRs.
 * [Migen Tutorial](http://blog.lambdaconcept.com/doku.php?id=migen:tutorial>)
+
+* There is a great guy, Robert Baruch, who has a good [tutorial](https://github.com/RobertBaruch/nmigen-tutorial) on nMigen. He also build an FPGA-proven Motorola 6800 CPU clone with nMigen and put [the code](https://github.com/RobertBaruch/n6800) and [instructional videos](https://www.youtube.com/playlist?list=PLEeZWGE3PwbbjxV7_XnPSR7ouLR2zjktw) online.
+
 * [Minerva](https://github.com/lambdaconcept/minerva)
   An SOC written in Python nMigen DSL
 
@@ -302,3 +325,6 @@ This list auto-generated from a page tag "standards":
 [[resources/server-setup/web-server]]
 
 [[resources/server-setup/git-mirroring]]
+
+[[resources/server-setup/nagios-monitoring]]
+