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x86: generate page tables at runtime

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Removes very complex boot-time generation of page tables
with a much simpler runtime generation of them at bootup.

For those x86 boards that enable the MMU in the defconfig,
set the number of page pool pages appropriately.

The MMU_RUNTIME_* flags have been removed. They were an
artifact of the old page table generation and did not
correspond to any hardware state.

Signed-off-by: Andrew Boie <andrew.p.boie@intel.com>
This commit is contained in:
Andrew Boie 2019-07-31 14:21:14 -07:00 • committed by Andrew Boie
commit c3b3aafaec
15 changed files with 250 additions and 701 deletions
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3
soc/x86/apollo_lake/linker.ld
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@ -32,9 +32,6 @@ MEMORY
*/
IDT_LIST : ORIGIN = 2K, LENGTH = 2K
#ifdef CONFIG_X86_MMU
MMU_LIST : ORIGIN = 4k, LENGTH = 1K
#endif
}
#include <arch/x86/ia32/linker.ld>