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3b2: WE32106 Math Acceleration Unit (MAU)

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This change adds support for the WE32106 Math Acceleration Unit (MAU).
The WE32106 is an IEEE-754 1985 compatible floating point math
acceleration unit that was an optional component on the 3B2/310 and
3B2/400.

The MAU is implemented using software floating point routines.  As
always, there may be bugs, but the MAU currently passes extensive
floating point tests with exactly the same results as a real 3B2/400
equipped with a physical MAU, so I hope these are few.
This commit is contained in:
Seth Morabito
2019-06-29 08:44:14 -07:00
parent 47bac1f665
commit 571c8f96a5
11 changed files with 3964 additions and 40 deletions
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3
makefile
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@@ -1920,7 +1920,8 @@ ATT3B2 = ${ATT3B2D}/3b2_cpu.c ${ATT3B2D}/3b2_mmu.c \
${ATT3B2D}/3b2_id.c ${ATT3B2D}/3b2_dmac.c \
${ATT3B2D}/3b2_sys.c ${ATT3B2D}/3b2_io.c \
${ATT3B2D}/3b2_ports.c ${ATT3B2D}/3b2_ctc.c \
${ATT3B2D}/3b2_ni.c ${ATT3B2D}/3b2_sysdev.c
${ATT3B2D}/3b2_ni.c ${ATT3B2D}/3b2_mau.c \
${ATT3B2D}/3b2_sysdev.c
ATT3B2_OPT = -DUSE_INT64 -DUSE_ADDR64 -I ${ATT3B2D} ${NETWORK_OPT}
#
# Build everything (not the unsupported/incomplete or experimental simulators)