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tests: mem_protect/mem_map: pin test_page in memory

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This pins the test_page in memory for tests about memory
mapping. This is simply to make sure the whole array
is in physical memory for mapping or else the mapping
function would fail due to having nothing to map.

Signed-off-by: Daniel Leung <daniel.leung@intel.com>
This commit is contained in:
Daniel Leung 2021-07-19 14:23:06 -07:00 • committed by Christopher Friedt
commit 1203289143
1 changed files with 2 additions and 0 deletions
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2
tests/kernel/mem_protect/mem_map/src/main.c
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@ -8,6 +8,7 @@
#include <sys/mem_manage.h>
#include <toolchain.h>
#include <mmu.h>
#include <linker/sections.h>
/* 32-bit IA32 page tables have no mechanism to restrict execution */
#if defined(CONFIG_X86) && !defined(CONFIG_X86_64) && !defined(CONFIG_X86_PAE)
@ -17,6 +18,7 @@
#define BASE_FLAGS (K_MEM_CACHE_WB)
volatile bool expect_fault;
__pinned_noinit
static uint8_t __aligned(CONFIG_MMU_PAGE_SIZE)
test_page[2 * CONFIG_MMU_PAGE_SIZE];