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Reimplemented space handling by introducing an address_space structure.

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- Fixed potential concurrency bugs due to preemption being enabled.
- Introduced a new address space structure to better account for
  address spaces and page tables.
- Currently executes fine up to forking. Will investigate.
This commit is contained in:
Bahadir Balban
2009-05-08 23:35:19 +03:00
parent 2df8875a88
commit 7415546410
12 changed files with 403 additions and 81 deletions
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2
include/l4/arch/arm/v5/mm.h
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@@ -137,6 +137,8 @@ void arch_hardware_flush(pgd_table_t *pgd);
void add_section_mapping_init(unsigned int paddr, unsigned int vaddr,
unsigned int size, unsigned int flags);
struct address_space;
int copy_user_tables(struct address_space *new, struct address_space *orig);
pgd_table_t *copy_page_tables(pgd_table_t *from);
void remap_as_pages(void *vstart, void *vend);