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trial implementation of private file mapping

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for review only.  will soon be reverted.
This commit is contained in:
NAKAMURA Gou
2013-07-17 16:19:39 +09:00
parent 70e46dcd4b
commit abe57218c4
23 changed files with 1756 additions and 173 deletions
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17
kernel/include/process.h
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@@ -7,6 +7,7 @@
#include <ihk/atomic.h>
#include <list.h>
#include <signal.h>
#include <memobj.h>
#define VR_NONE 0x0
#define VR_STACK 0x1
@@ -14,13 +15,21 @@
#define VR_IO_NOCACHE 0x100
#define VR_REMOTE 0x200
#define VR_DEMAND_PAGING 0x1000
#define VR_PRIVATE 0x2000
#define VR_PROT_NONE 0x00000000
#define VR_PROT_READ 0x00010000
#define VR_PROT_WRITE 0x00020000
#define VR_PROT_EXEC 0x00040000
#define VR_PROT_MASK 0x00070000
#define VR_MAXPROT_NONE 0x00000000
#define VR_MAXPROT_READ 0x00100000
#define VR_MAXPROT_WRITE 0x00200000
#define VR_MAXPROT_EXEC 0x00400000
#define VR_MAXPROT_MASK 0x00700000
#define PROT_TO_VR_FLAG(prot) (((unsigned long)(prot) << 16) & VR_PROT_MASK)
#define VRFLAG_PROT_TO_MAXPROT(vrflag) (((vrflag) & VR_PROT_MASK) << 4)
#define VRFLAG_MAXPROT_TO_PROT(vrflag) (((vrflag) & VR_MAXPROT_MASK) >> 4)
#define PS_RUNNING 0x1
#define PS_INTERRUPTIBLE 0x2
@@ -41,6 +50,8 @@ struct vm_range {
struct list_head list;
unsigned long start, end;
unsigned long flag;
struct memobj *memobj;
off_t objoff;
};
struct vm_regions {
@@ -106,7 +117,6 @@ struct process_vm {
// is protected by its own lock (see ihk/manycore/generic/page_alloc.c)
};
struct process *create_process(unsigned long user_pc);
struct process *clone_process(struct process *org,
unsigned long pc, unsigned long sp);
@@ -114,10 +124,12 @@ void destroy_process(struct process *proc);
void hold_process(struct process *proc);
void free_process(struct process *proc);
void free_process_memory(struct process *proc);
void flush_process_memory(struct process *proc);
int add_process_memory_range(struct process *process,
unsigned long start, unsigned long end,
unsigned long phys, unsigned long flag);
unsigned long phys, unsigned long flag,
struct memobj *memobj, off_t objoff);
int remove_process_memory_range(
struct process *process, unsigned long start, unsigned long end);
int split_process_memory_range(struct process *process,
@@ -133,6 +145,7 @@ struct vm_range *next_process_memory_range(
struct process_vm *vm, struct vm_range *range);
struct vm_range *previous_process_memory_range(
struct process_vm *vm, struct vm_range *range);
int page_fault_process_memory_range(struct process *proc, struct vm_range *range, uintptr_t fault_addr, uint64_t reason);
int remove_process_region(struct process *proc,
unsigned long start, unsigned long end);
struct program_load_desc;