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26 Prevent exceptions from being taken while stalling

Jumping to an exception handler while stalling and waiting for a load/store
instruction to finish can cause undefined results from the load/store
instruction. This actually fixes the issue mentioned in revision r20.		 skordal 3439d 06h /potato/trunk/
24 Remove unused STRINGIFY macros skordal 3442d 00h /potato/trunk/
22 Fix the potato_get_badvaddr() macro skordal 3442d 00h /potato/trunk/
21 Upgrade the example design to use a 60 MHz system clock skordal 3442d 01h /potato/trunk/
20 Fix SHA256 benchmark crash by storing all registers on exception handler entry

This problem will disappear when the processor is updated to conform to the
new supervisor specification, which will allow us to use a compiler that
conforms to the new "official" ABI.		 skordal 3442d 01h /potato/trunk/
19 SHA256 benchmark: allow compiler to inline at will skordal 3442d 01h /potato/trunk/
18 instr_misalign_check: add do_jump to sensitivity list skordal 3444d 01h /potato/trunk/
17 Improve detection of unaligned instructions skordal 3448d 08h /potato/trunk/
16 Correct grammar in source code comment skordal 3448d 08h /potato/trunk/
15 SHA256 benchmark: fix Makefile syntax error skordal 3455d 00h /potato/trunk/
14 Improve detection of invalid instructions skordal 3455d 01h /potato/trunk/
13 Add SHA256 benchmark code skordal 3455d 06h /potato/trunk/
12 Update example design with correct bug-report URL and testbenches skordal 3455d 08h /potato/trunk/
11 Correct FIFO file header skordal 3455d 08h /potato/trunk/
10 Add missing FIFO module skordal 3460d 02h /potato/trunk/
9 Remove dependency on a non-existent target in the Makefile skordal 3460d 02h /potato/trunk/
8 Clarify instruction ROM naming in the example design README skordal 3467d 04h /potato/trunk/
7 Add test design for the Nexys 4 board from Digilent skordal 3467d 05h /potato/trunk/
6 Add ISA tests skordal 3467d 05h /potato/trunk/
5 Update the README, remove .md extension skordal 3469d 10h /potato/trunk/

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