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Diffstat (limited to 'man/intel_reg.rst')
-rw-r--r-- | man/intel_reg.rst | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/man/intel_reg.rst b/man/intel_reg.rst index d1af178a..4ec24c4c 100644 --- a/man/intel_reg.rst +++ b/man/intel_reg.rst @@ -103,7 +103,7 @@ Display brief help. REGISTER REFERENCES =================== -Registers are defined as [(PORTNAME|PORTNUM|MMIO-OFFSET):](REGNAME|REGADDR). +Registers are defined as [(PORTNAME|PORTNUM|ENGINE|MMIO-OFFSET):](REGNAME|REGADDR). PORTNAME The register access method, most often MMIO, which is the default. The @@ -120,6 +120,13 @@ PORTNUM Numbers above 0xff are automatically interpreted as MMIO offsets, not port numbers. +ENGINE + Instead of cpu based MMIO, specified engine can be used for access method. + Batchbuffer will be targeted for the engine to do read/write. The list of + available engines is architecture specific and can be found with + "intel_reg help". Prefixing engine name with '-' uses non-privileged + batchbuffer for access. + MMIO-OFFSET Use MMIO, and add this offset to the register address. |