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author | Pavel Pisa <pisa@cmp.felk.cvut.cz> | 2019-03-04 22:38:34 +0100 |
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committer | Pavel Pisa <pisa@cmp.felk.cvut.cz> | 2019-03-04 22:38:34 +0100 |
commit | 73886d9d1733368fe3c876c8e613ba5821e12944 (patch) | |
tree | 98dfefd703835f773b5adf72d9cd1f2e2cd1fe04 /qtmips_machine/machinedefs.h | |
parent | 1dc09ab41ae703a1f15be87cacab5e842cf1a09d (diff) | |
download | qtmips-73886d9d1733368fe3c876c8e613ba5821e12944.tar.gz qtmips-73886d9d1733368fe3c876c8e613ba5821e12944.tar.bz2 qtmips-73886d9d1733368fe3c876c8e613ba5821e12944.zip |
Use irq 3 (HW1) for Rx and irq 2 (HW0) for Tx to be compatible with SPIM.
Jump to address 0x8000180 by default and to EBase + 0x180
when EBase is set to be compatible with real MIPS CPU.
Signed-off-by: Pavel Pisa <pisa@cmp.felk.cvut.cz>
Diffstat (limited to 'qtmips_machine/machinedefs.h')
-rw-r--r-- | qtmips_machine/machinedefs.h | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/qtmips_machine/machinedefs.h b/qtmips_machine/machinedefs.h index eb7f6d4..8ccc81c 100644 --- a/qtmips_machine/machinedefs.h +++ b/qtmips_machine/machinedefs.h @@ -58,8 +58,12 @@ enum AccessControl { }; enum ExceptionCause { - EXCAUSE_NONE = 0, - EXCAUSE_INT = 1, + EXCAUSE_NONE = 0, // Use zero as default value when no exception is pending + EXCAUSE_INT = 1, // Int is 0 on real CPU and in Cause regsiter + EXCAUSE_ADDRL = 4, + EXCAUSE_ADDRS = 5, + EXCAUSE_IBUS = 6, + EXCAUSE_DBUS = 7, EXCAUSE_SYSCALL = 8, EXCAUSE_BREAK = 9, EXCAUSE_OVERFLOW = 12, |