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authorClifford Wolf <clifford@clifford.at>2016-04-12 18:04:16 +0200
committerClifford Wolf <clifford@clifford.at>2016-04-12 18:04:16 +0200
commite9c7ea6b5df3de7292369910cc5472840935db64 (patch)
treede019915c85243be8cf88dd027cc5bccea02544d /README.md
parent2fdafb9c163612f146a75e9de7ec9360fea7d1ce (diff)
downloadpicorv32-e9c7ea6b5df3de7292369910cc5472840935db64.tar.gz
picorv32-e9c7ea6b5df3de7292369910cc5472840935db64.zip
Added ENABLE_COUNTERS64 config parameter
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@@ -141,6 +141,12 @@ instructions are not optional for an RV32I core. But chances are they are not
going to be missed after the application code has been debugged and profiled.
This instructions are optional for an RV32E core.*
+#### ENABLE_COUNTERS64 (default = 1)
+
+This parameter enables support for the `RDCYCLEH`, `RDTIMEH`, and `RDINSTRETH`
+instructions. If this parameter is set to 0, and `ENABLE_COUNTERS` is set to 1,
+then only the `RDCYCLE`, `RDTIME`, and `RDINSTRET` instructions are available.
+
#### ENABLE_REGS_16_31 (default = 1)
This parameter enables support for registers the `x16`..`x31`. The RV32E ISA