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| author | Benjamin Nash <benash@umich.edu> | 2005-06-23 16:27:06 -0400 |
|---|---|---|
| committer | Benjamin Nash <benash@umich.edu> | 2005-06-23 16:27:06 -0400 |
| commit | e8bcecd0a04638e9d9e6306cbe515c40e9ba0817 (patch) | |
| tree | 97e805542159e66c4856f099762135df67f07944 /dev/tsunami_io.hh | |
| parent | a994f6e07b8fe0f2f04e99990e6b7e41f0d46973 (diff) | |
| download | gem5-e8bcecd0a04638e9d9e6306cbe515c40e9ba0817.tar.xz | |
Changed timer functionality, ide disk interrupts, and TsunamiFake class to improve FreeBSD compatibility.
dev/ide_disk.cc:
Make ide disk set interrupts correctly.
dev/tsunami_io.cc:
dev/tsunami_io.hh:
Implement read of timer counts.
kern/freebsd/freebsd_system.cc:
kern/freebsd/freebsd_system.hh:
Remove SkipFuncEvents that we don't need to skip.
python/m5/objects/Tsunami.py:
Add size parameter to TsunamiFake class.
--HG--
extra : convert_revision : a87e74f2cac0036060ca8cb3fde4760d8c91a5db
Diffstat (limited to 'dev/tsunami_io.hh')
| -rw-r--r-- | dev/tsunami_io.hh | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/dev/tsunami_io.hh b/dev/tsunami_io.hh index 86c739285..dca651d4b 100644 --- a/dev/tsunami_io.hh +++ b/dev/tsunami_io.hh @@ -75,6 +75,18 @@ class TsunamiIO : public PioDevice uint8_t mode; /** The status of the PIT */ uint8_t status; + /** The counts (current and latched) of the PIT */ + union { + uint16_t whole; + struct { + uint8_t msb; + uint8_t lsb; + } half; + } current_count, latched_count; + + /** Thse state of the output latch of the PIT */ + bool latch_on; + bool read_msb; public: /** @@ -111,6 +123,17 @@ class TsunamiIO : public PioDevice uint8_t Status(); /** + * Latch the count of the PIT. + */ + void LatchCount(); + + /** + * The current PIT count. + * @return the count of the PIT + */ + uint8_t Read(); + + /** * Serialize this object to the given output stream. * @param os The stream to serialize to. */ |