[rvm-issues] [jira] Closed: (RVM-756) Intel unnecessarily restricts boot image to be at addresses > 0x30000000

[Ian R. (JIRA) <ji...@co...>]

     [ http://jira.codehaus.org/browse/RVM-756?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ian Rogers closed RVM-756.
--------------------------

    Resolution: Fixed

Fix in r15319.

> Intel unnecessarily restricts boot image to be at addresses > 0x30000000
> ------------------------------------------------------------------------
>
>                 Key: RVM-756
>                 URL: http://jira.codehaus.org/browse/RVM-756
>             Project: RVM
>          Issue Type: Bug
>          Components: Runtime
>            Reporter: Ian Rogers
>            Assignee: Ian Rogers
>             Fix For: 3.0.2
>
>
> In the Intel libvm.c we do:
> unsigned int vp_hn;  /* the high nibble of the vp address value */
> vp_hn = localVirtualProcessorAddress >> 28;
> if (vp_hn < 3 || !inRVMAddressSpace(localVirtualProcessorAddress))
> that asserts that the high nibble of objects must be above 0x30000000 making it impossible to fully use the heap. The high nibble tests should be removed.

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