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Trying to setup writeback and add basic secondary command execution.

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This commit is contained in:
Ben Vanik
2013-06-01 03:08:31 -07:00
parent 5b0fa8f17e
commit ba16a0d847
7 changed files with 105 additions and 29 deletions
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14
src/xenia/core/memory.cc
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@@ -29,12 +29,14 @@
/**
* Memory map:
* 0x00000000 - 0x40000000 (1024mb) - virtual 4k pages
* 0x40000000 - 0x80000000 (1024mb) - virtual 64k pages
* 0x80000000 - 0x8C000000 ( 192mb) - xex 64k pages
* 0x8C000000 - 0x90000000 ( 64mb) - xex 64k pages (encrypted)
* 0x90000000 - 0xA0000000 ( 256mb) - xex 4k pages
* 0xA0000000 - 0xC0000000 ( 512mb) - physical 64k pages
* 0x00000000 - 0x3FFFFFFF (1024mb) - virtual 4k pages
* 0x40000000 - 0x7FFFFFFF (1024mb) - virtual 64k pages
* 0x80000000 - 0x8BFFFFFF ( 192mb) - xex 64k pages
* 0x8C000000 - 0x8FFFFFFF ( 64mb) - xex 64k pages (encrypted)
* 0x90000000 - 0x9FFFFFFF ( 256mb) - xex 4k pages
* 0xA0000000 - 0xBFFFFFFF ( 512mb) - physical 64k pages
* 0xC0000000 - 0xDFFFFFFF - physical 16mb pages
* 0xE0000000 - 0xFFFFFFFF - physical 4k pages
*
* We use the host OS to create an entire addressable range for this. That way
* we don't have to emulate a TLB. It'd be really cool to pass through page