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ARM: MPU: Arch specific memory domain APIs

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Added architecture specific support for memory domain destroy
and remove partition for arm and nxp. An optimized version of
remove partition was also added.

Signed-off-by: Adithya Baglody <adithya.nagaraj.baglody@intel.com>
This commit is contained in:
Adithya Baglody 2017-10-06 15:43:11 +05:30 • committed by Andrew Boie
commit 83bedcc912
6 changed files with 80 additions and 4 deletions
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10
include/kernel.h
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@ -4205,28 +4205,30 @@ static inline char *K_THREAD_STACK_BUFFER(k_thread_stack_t *sym)
MEM_PARTITION_ENTRY((u32_t)start, size, attr)
#endif /* _ARCH_MEM_PARTITION_ALIGN_CHECK */
/* memory partition */
struct k_mem_partition {
/* start address of memory partition */
u32_t start;
/* size of memory partition */
u32_t size;
#ifdef CONFIG_USERSPACE
/* attribute of memory partition */
u32_t attr;
k_mem_partition_attr_t attr;
#endif /* CONFIG_USERSPACE */
};
#if defined(CONFIG_USERSPACE)
/* memory domian */
struct k_mem_domain {
/* number of partitions in the domain */
u32_t num_partitions;
#ifdef CONFIG_USERSPACE
/* partitions in the domain */
struct k_mem_partition partitions[CONFIG_MAX_DOMAIN_PARTITIONS];
#endif /* CONFIG_USERSPACE */
/* domain q */
sys_dlist_t mem_domain_q;
};
#endif /* CONFIG_USERSPACE */
/**
* @brief Initialize a memory domain.