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| author | kaf24@firebug.cl.cam.ac.uk <kaf24@firebug.cl.cam.ac.uk> | 2005-05-31 15:39:28 +0000 |
|---|---|---|
| committer | kaf24@firebug.cl.cam.ac.uk <kaf24@firebug.cl.cam.ac.uk> | 2005-05-31 15:39:28 +0000 |
| commit | 88198ec1b0bd2094cbabd600baae1ebe3026e7ad (patch) | |
| tree | 9791c2750f1f9561f652a8887c43e3ab95d16f2c /.rootkeys | |
| parent | 59f83bdc8f5ba87cb8bd1235f42bd27c1fff39c0 (diff) | |
| download | xen-88198ec1b0bd2094cbabd600baae1ebe3026e7ad.tar.gz xen-88198ec1b0bd2094cbabd600baae1ebe3026e7ad.tar.bz2 xen-88198ec1b0bd2094cbabd600baae1ebe3026e7ad.zip | |
bitkeeper revision 1.1615.1.1 (429c8530L_ZtVuxsQcKwKB3yPuljog)
Subject: PAE support
This patch adds initial support for PAE paging to xen.
This patch does:
* boot Xen itself with PAE paging enabled.
* add PAE support to the dom0 domain builder.
Some notes on the design and the changes:
* There are two new config options: CONFIG_X86_PAE (boolean,
same name Linux uses to simply things) and
CONFIG_PAGING_LEVELS (int, possible values are 2,3,4). I've
used #if CONFIG_PAGING_LEVELS for stuff which simply depends
on the number of paging levels in the code common for
x86-32/64, and CONFIG_X86_PAE for special PAE quirks or
i386-only stuff. I've tried to avoid ifdefs if possible
though, often I rearranged code to make it work in both
PAE and non-PAE case instead.
* idle_pg_table: 3rd level is statically initialized, 2nd
level is contignous in physical and virtual memory, so it can
be addressed linear (the dom0 builder uses the same trick to
simplify things a bit btw.). There are two new symbols:
idle_pg_table_l3 and idle_pg_table_l2 for the two tables.
idle_pg_table is aliased to the toplevel page table, i.e.
idle_pg_table_l3 in PAE mode and idle_pg_table_l2 in non-pae
mode. The idle l3 table is actually never ever touched after
boot, the l2 table is accessed via idle_pg_table_l2 and
addressed linear in both PAE and non-PAE mode.
* I've added a "intpte_t" type and a PRIpte define, modeled
after the C99 inttypes.h header, for page table entries.
Signed-off-by: Gerd Knorr <kraxel@bytesex.org>
Diffstat (limited to '.rootkeys')
| -rw-r--r-- | .rootkeys | 2 |
1 files changed, 2 insertions, 0 deletions
@@ -1377,6 +1377,8 @@ 41c0c412lQ0NVVN9PsOSznQ-qhOiPA xen/include/asm-x86/vmx_vmcs.h 418fbcfe_WliJPToeVM-9VStvym-hw xen/include/asm-x86/x86_32/asm_defns.h 3e20b82fl1jmQiKdLy7fxMcutfpjWA xen/include/asm-x86/x86_32/domain_page.h +429c852fi3pvfa9kIjryYK5AGBmXAg xen/include/asm-x86/x86_32/page-2level.h +429c852fskvSOgcD5EC25_m9um9t4g xen/include/asm-x86/x86_32/page-3level.h 4208e2a3ZNFroNXbX9OYaOB-xtUyDQ xen/include/asm-x86/x86_32/page.h 3ddb79c3mbqEM7QQr3zVq7NiBNhouA xen/include/asm-x86/x86_32/regs.h 3e7f358aG11EvMI9VJ4_9hD4LUO7rQ xen/include/asm-x86/x86_32/string.h |