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passing argc, argv and envp to main()

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This commit is contained in:
Balazs Gerofi
2012-05-10 22:07:23 +09:00
parent 97d4c85195
commit 7c85ac93e8
8 changed files with 228 additions and 15 deletions
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3
kernel/include/process.h
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@@ -83,7 +83,8 @@ int add_process_memory_range(struct process *process,
unsigned long phys, unsigned long flag);
int remove_process_region(struct process *proc,
unsigned long start, unsigned long end);
void init_process_stack(struct process *process);
void init_process_stack(struct process *process, int argc, char **argv,
int envc, char **env);
unsigned long extend_process_region(struct process *proc,
unsigned long start, unsigned long end,
unsigned long address);

7
kernel/include/syscall.h
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@@ -8,8 +8,9 @@
#define REQUEST_PAGE_COUNT 16
#define RESPONSE_PAGE_COUNT 16
#define DOORBELL_PAGE_COUNT 1
#define ARGENV_PAGE_COUNT 8
#define SCD_RESERVED_COUNT \
(REQUEST_PAGE_COUNT + RESPONSE_PAGE_COUNT + DOORBELL_PAGE_COUNT)
(REQUEST_PAGE_COUNT + RESPONSE_PAGE_COUNT + DOORBELL_PAGE_COUNT + ARGENV_PAGE_COUNT)
#define SCD_MSG_PREPARE_PROCESS 0x1
#define SCD_MSG_PREPARE_PROCESS_ACKED 0x2
@@ -89,6 +90,10 @@ struct program_load_desc {
int pid;
unsigned long entry;
unsigned long rprocess;
char *args;
unsigned long args_len;
char *envs;
unsigned long envs_len;
struct program_image_section sections[0];
};