diff options
Diffstat (limited to 'boot/boot_script.h')
| -rw-r--r-- | boot/boot_script.h | 29 |
1 files changed, 15 insertions, 14 deletions
diff --git a/boot/boot_script.h b/boot/boot_script.h index 88a6bf49..1166232b 100644 --- a/boot/boot_script.h +++ b/boot/boot_script.h @@ -1,3 +1,7 @@ +/* Definitions for boot script parser for Mach. */ + +/* Written by Shantanu Goel (goel@cs.columbia.edu). */ + /* Error codes returned by boot_script_parse_line() and boot_script_exec_cmd(). */ #define BOOT_SCRIPT_NOMEM 1 @@ -6,25 +10,17 @@ #define BOOT_SCRIPT_MACH_ERROR 4 #define BOOT_SCRIPT_UNDEF_SYM 5 #define BOOT_SCRIPT_EXEC_ERROR 6 +#define BOOT_SCRIPT_INVALID_SYM 7 +#define BOOT_SCRIPT_BAD_TYPE 8 -/* The user must define this variable. The root device name. - This must be initialized prior to calling the parser. */ -extern char *boot_script_root_device; +/* Legal values for argument `type' to function + boot_script_set_variable(). */ +#define VAL_STR 1 /* string */ +#define VAL_PORT 2 /* port */ /* The user must define this variable. The task port of the program. */ extern mach_port_t boot_script_task_port; -/* The user must define this variable. Send right to the host port. */ -extern mach_port_t boot_script_host_port; - -/* The user must define this variable. Send right to the - master device port. */ -extern mach_port_t boot_script_device_port; - -/* The user must define this variable. Send right to the - the bootstrap port. */ -extern mach_port_t boot_script_bootstrap_port; - /* The user must define this function. Allocate SIZE bytes of memory and return a pointer to it. */ void *boot_script_malloc (int size); @@ -87,5 +83,10 @@ int boot_script_parse_line (char *cmdline); Returns 0 for success, non-zero otherwise. */ 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); + /* Returns a string describing the error ERR. */ char *boot_script_error_string (int err); |