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| author | Patrick Williams <iawillia@us.ibm.com> | 2013-03-26 11:23:47 -0500 |
|---|---|---|
| committer | A. Patrick Williams III <iawillia@us.ibm.com> | 2013-06-14 09:09:09 -0500 |
| commit | e89e72d2f8a2efe86acad95ed0769aa7a8fe64ae (patch) | |
| tree | 5541b72a698f58757ab2fe36b1a264fff6bcb3a2 /src/include/kernel/vmmmgr.H | |
| parent | 92255af10842c672550a586d342c67ac1c7e11ca (diff) | |
| download | talos-hostboot-e89e72d2f8a2efe86acad95ed0769aa7a8fe64ae.tar.gz talos-hostboot-e89e72d2f8a2efe86acad95ed0769aa7a8fe64ae.zip | |
Secureboot memory layout support.
* Start kernel in 1/4 cache mode per Secureboot.
* Copy Secureboot header for base image for later use.
* Blind-purge bottom half of cache.
* Add bottom of cache into memory maps for 1/2 cache mode.
RTC: 64762
Change-Id: I1b45f30a2d45c9709d4fd486cfe0ca2ce86b051c
Reviewed-on: http://gfw160.austin.ibm.com:8080/gerrit/3773
Reviewed-by: Michael Baiocchi <baiocchi@us.ibm.com>
Tested-by: Jenkins Server
Reviewed-by: ADAM R. MUHLE <armuhle@us.ibm.com>
Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>
Reviewed-by: A. Patrick Williams III <iawillia@us.ibm.com>
Diffstat (limited to 'src/include/kernel/vmmmgr.H')
| -rw-r--r-- | src/include/kernel/vmmmgr.H | 22 |
1 files changed, 13 insertions, 9 deletions
diff --git a/src/include/kernel/vmmmgr.H b/src/include/kernel/vmmmgr.H index b740d03e1..dae3c387d 100644 --- a/src/include/kernel/vmmmgr.H +++ b/src/include/kernel/vmmmgr.H @@ -42,18 +42,22 @@ class VmmManager { INITIAL_MEM_SIZE = 4*MEGABYTE, - // put the Page Table at the end of our memory space - PTSIZE = (1 << 18), - HTABORG_OFFSET = (INITIAL_MEM_SIZE - PTSIZE), + // Place the page table at the top side of the cache, 256k in size. + INITIAL_PT_OFFSET = INITIAL_MEM_SIZE - 1*MEGABYTE, + PTSIZE = 256*KILOBYTE, + HTABORG_OFFSET = INITIAL_PT_OFFSET, - // Put the DMA Pages just under the Page Table + // Put the DMA Pages just after the Page Table MBOX_DMA_PAGES = 64, // must be <= 64 MBOX_DMA_PAGESIZE = (1 * KILOBYTE), - MBOX_DMA_ADDR = (HTABORG_OFFSET - - (MBOX_DMA_PAGES * MBOX_DMA_PAGESIZE)), - - /** The base image and heap must be below this address. */ - FIRST_RESERVED_PAGE = MBOX_DMA_ADDR, + MBOX_DMA_ADDR = INITIAL_PT_OFFSET + PTSIZE, + MBOX_DMA_SIZE = MBOX_DMA_PAGES * MBOX_DMA_PAGESIZE, + + /** We need to reserve a hole in heap memory for the page table, + * etc. Use these constants to define the hole. */ + FIRST_RESERVED_PAGE = INITIAL_PT_OFFSET, + END_RESERVED_PAGE = INITIAL_PT_OFFSET + + PTSIZE + MBOX_DMA_SIZE, // Tells processor to ignore HRMOR FORCE_PHYS_ADDR = 0x8000000000000000, |
