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[MEMORY] Process memory management

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This commit is contained in:
Thomas Lovén
2016-12-19 12:06:24 +01:00
parent ba2ecd725f
commit 0101440894
4 changed files with 154 additions and 10 deletions
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30
kernel/include/process.h
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@@ -5,7 +5,9 @@ typedef struct process_st process_t;
#include <mem.h>
#include <cpu.h>
#include <sync.h>
#include <mem.h>
struct procmm_mmap_st;
typedef struct process_st
{
uint64_t pid;
@@ -13,7 +15,7 @@ typedef struct process_st
uint64_t status;
lock_t lock;
struct process_st *parent;
page_table *P4;
struct procmm_mmap_st *mmap;
LIST(struct process_st, children);
LIST(struct process_st, siblings);
LIST(thread_t, threads);
@@ -29,8 +31,34 @@ typedef struct process_st
#define get_current_process() (get_cpu()->current_process)
#define set_current_process(proc) (get_cpu()->current_process = (proc))
typedef struct procmm_area_st
{
uintptr_t start;
uintptr_t end;
uint64_t flags;
struct procmm_mmap_st *map;
LIST(struct procmm_area_st, areas);
} procmm_area_t;
typedef struct procmm_mmap_st
{
process_t *proc;
page_table *P4;
LIST(struct procmm_area_st, areas);
procmm_area_t *brk;
procmm_area_t *stack;
} procmm_mmap_t;
process_t *process_spawn(process_t *parent);
void process_attach(process_t *proc, thread_t *th);
void switch_process(process_t *proc);
void process_exit(process_t *proc, uint64_t status);
void process_free(process_t *proc);
procmm_mmap_t *procmm_new_map(process_t *proc, procmm_mmap_t *src);
void procmm_free_map(process_t *proc);
void procmm_print_map(procmm_mmap_t *map);
procmm_area_t *procmm_map(procmm_mmap_t *map, uintptr_t start, uintptr_t end, uint64_t flags);
void procmm_unmap(procmm_area_t *a);
uintptr_t procmm_setup(process_t *proc);