diff options
Diffstat (limited to 'boot/boot_script.h')
| -rw-r--r-- | boot/boot_script.h | 40 |
1 files changed, 33 insertions, 7 deletions
diff --git a/boot/boot_script.h b/boot/boot_script.h index d2db1a14..62458693 100644 --- a/boot/boot_script.h +++ b/boot/boot_script.h @@ -1,5 +1,8 @@ /* Definitions for boot script parser for Mach. */ +#ifndef _boot_script_h +#define _boot_script_h + /* Written by Shantanu Goel (goel@cs.columbia.edu). */ /* Error codes returned by boot_script_parse_line() @@ -18,15 +21,19 @@ #define VAL_NONE 0 /* none -- function runs at exec time */ #define VAL_STR 1 /* string */ #define VAL_PORT 2 /* port */ +#define VAL_TASK 3 /* task port */ /* This structure describes a command. */ struct cmd { + /* Cookie passed in to boot_script_parse_line. */ + void *hook; + /* Path of executable. */ char *path; /* Task port. */ - mach_port_t task; + task_t task; /* Argument list. */ struct arg **args; @@ -48,19 +55,37 @@ struct cmd }; +/* The user must define these functions, we work like malloc and free. */ +void *boot_script_malloc (unsigned int); +void boot_script_free (void *, unsigned int); + /* The user must define this function. Load the image of the executable specified by PATH in TASK. Create a thread in TASK and point it at the executable's entry point. Initialize TASK's stack with argument vector ARGV of length ARGC whose strings are STRINGS. STRINGS has length STRINGLEN. Return 0 for success, non-zero otherwise. */ -int boot_script_exec_cmd (mach_port_t task, char *path, int argc, +int boot_script_exec_cmd (void *hook, + task_t task, char *path, int argc, char **argv, char *strings, int stringlen); /* The user must define this function. Load the contents of FILE into a fresh anonymous memory object and return the memory object port. */ mach_port_t boot_script_read_file (const char *file); +/* The user must define this functions to perform the corresponding + Mach task manipulations. */ +int boot_script_task_create (struct cmd *); /* task_create + task_suspend */ +int boot_script_task_resume (struct cmd *); +int boot_script_prompt_task_resume (struct cmd *); +int boot_script_insert_right (struct cmd *, mach_port_t, mach_port_t *namep); +int boot_script_insert_task_port (struct cmd *, task_t, mach_port_t *namep); + +/* The user must define this function to clean up the `task_t' + returned by boot_script_task_create. */ +void boot_script_free_task (task_t task, int aborting); + + /* Parse the command line LINE. This causes the command line to be converted into an internal format. Returns 0 for success, non-zero otherwise. @@ -68,7 +93,7 @@ mach_port_t boot_script_read_file (const char *file); NOTE: The parser writes into the line so it must not be a string constant. It is also the responsibility of the caller not to deallocate the line across calls to the parser. */ -int boot_script_parse_line (char *cmdline); +int boot_script_parse_line (void *hook, char *cmdline); /* Execute the command lines prevously parsed. Returns 0 for success, non-zero otherwise. */ @@ -77,14 +102,15 @@ int boot_script_exec (void); /* Create an entry in the symbol table for variable NAME, whose type is TYPE and value is VAL. Returns 0 on success, non-zero otherwise. */ -int boot_script_set_variable (const char *name, int type, int val); +int boot_script_set_variable (const char *name, int type, integer_t val); /* Define the function NAME, which will return type RET_TYPE. */ int boot_script_define_function (const char *name, int ret_type, - int (*func) (const struct cmd *cmd, int *val)); + int (*func) (const struct cmd *cmd, + integer_t *val)); /* Returns a string describing the error ERR. */ char *boot_script_error_string (int err); - -void safe_gets (char *, int); + +#endif /* _boot_script_h */ |