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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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2
boards/x86/qemu_x86/qemu_x86_coverage_defconfig
View file

@ -16,7 +16,9 @@ CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC=25000000
CONFIG_TEST_RANDOM_GENERATOR=y
CONFIG_XIP=y
CONFIG_X86_MMU=y
CONFIG_X86_MMU_PAGE_POOL_PAGES=15
CONFIG_DEBUG_INFO=y
CONFIG_SCHED_SCALABLE=y
CONFIG_WAITQ_SCALABLE=y
CONFIG_COVERAGE=y
CONFIG_X86_VERY_EARLY_CONSOLE=y

1
boards/x86/qemu_x86/qemu_x86_defconfig
View file

@ -15,6 +15,7 @@ CONFIG_UART_CONSOLE=y
CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC=25000000
CONFIG_TEST_RANDOM_GENERATOR=y
CONFIG_X86_MMU=y
CONFIG_X86_MMU_PAGE_POOL_PAGES=15
CONFIG_DEBUG_INFO=y
CONFIG_SCHED_SCALABLE=y
CONFIG_WAITQ_SCALABLE=y

1
boards/x86/qemu_x86/qemu_x86_iamcu_defconfig
View file

@ -15,4 +15,5 @@ CONFIG_UART_CONSOLE=y
CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC=25000000
CONFIG_X86_IAMCU=y
CONFIG_X86_MMU=y
CONFIG_X86_MMU_PAGE_POOL_PAGES=15
CONFIG_DEBUG_INFO=y