diff options
Diffstat (limited to 'drivers/staging/tidspbridge/include/dspbridge/dblldefs.h')
| -rw-r--r-- | drivers/staging/tidspbridge/include/dspbridge/dblldefs.h | 496 |
1 files changed, 496 insertions, 0 deletions
diff --git a/drivers/staging/tidspbridge/include/dspbridge/dblldefs.h b/drivers/staging/tidspbridge/include/dspbridge/dblldefs.h new file mode 100644 index 000000000000..d2b4fda34291 --- /dev/null +++ b/drivers/staging/tidspbridge/include/dspbridge/dblldefs.h @@ -0,0 +1,496 @@ +/* + * dblldefs.h + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * Copyright (C) 2005-2006 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +#ifndef DBLLDEFS_ +#define DBLLDEFS_ + +/* + * Bit masks for dbl_flags. + */ +#define DBLL_NOLOAD 0x0 /* Don't load symbols, code, or data */ +#define DBLL_SYMB 0x1 /* load symbols */ +#define DBLL_CODE 0x2 /* load code */ +#define DBLL_DATA 0x4 /* load data */ +#define DBLL_DYNAMIC 0x8 /* dynamic load */ +#define DBLL_BSS 0x20 /* Unitialized section */ + +#define DBLL_MAXPATHLENGTH 255 + +/* + * ======== DBLL_Target ======== + * + */ +struct dbll_tar_obj; + +/* + * ======== dbll_flags ======== + * Specifies whether to load code, data, or symbols + */ +typedef s32 dbll_flags; + +/* + * ======== DBLL_Library ======== + * + */ +struct dbll_library_obj; + +/* + * ======== dbll_sect_info ======== + * For collecting info on overlay sections + */ +struct dbll_sect_info { + const char *name; /* name of section */ + u32 sect_run_addr; /* run address of section */ + u32 sect_load_addr; /* load address of section */ + u32 size; /* size of section (target MAUs) */ + dbll_flags type; /* Code, data, or BSS */ +}; + +/* + * ======== dbll_sym_val ======== + * (Needed for dynamic load library) + */ +struct dbll_sym_val { + u32 value; +}; + +/* + * ======== dbll_alloc_fxn ======== + * Allocate memory function. Allocate or reserve (if reserved == TRUE) + * "size" bytes of memory from segment "space" and return the address in + * *dsp_address (or starting at *dsp_address if reserve == TRUE). Returns 0 on + * success, or an error code on failure. + */ +typedef s32(*dbll_alloc_fxn) (void *hdl, s32 space, u32 size, u32 align, + u32 *dsp_address, s32 seg_id, s32 req, + bool reserved); + +/* + * ======== dbll_close_fxn ======== + */ +typedef s32(*dbll_f_close_fxn) (void *); + +/* + * ======== dbll_free_fxn ======== + * Free memory function. Free, or unreserve (if reserved == TRUE) "size" + * bytes of memory from segment "space" + */ +typedef bool(*dbll_free_fxn) (void *hdl, u32 addr, s32 space, u32 size, + bool reserved); + +/* + * ======== dbll_f_open_fxn ======== + */ +typedef void *(*dbll_f_open_fxn) (const char *, const char *); + +/* + * ======== dbll_log_write_fxn ======== + * Function to call when writing data from a section, to log the info. + * Can be NULL if no logging is required. + */ +typedef int(*dbll_log_write_fxn) (void *handle, + struct dbll_sect_info *sect, u32 addr, + u32 bytes); + +/* + * ======== dbll_read_fxn ======== + */ +typedef s32(*dbll_read_fxn) (void *, size_t, size_t, void *); + +/* + * ======== dbll_seek_fxn ======== + */ +typedef s32(*dbll_seek_fxn) (void *, long, int); + +/* + * ======== dbll_sym_lookup ======== + * Symbol lookup function - Find the symbol name and return its value. + * + * Parameters: + * handle - Opaque handle + * parg - Opaque argument. + * name - Name of symbol to lookup. + * sym - Location to store address of symbol structure. + * + * Returns: + * TRUE: Success (symbol was found). + * FALSE: Failed to find symbol. + */ +typedef bool(*dbll_sym_lookup) (void *handle, void *parg, void *rmm_handle, + const char *name, struct dbll_sym_val ** sym); + +/* + * ======== dbll_tell_fxn ======== + */ +typedef s32(*dbll_tell_fxn) (void *); + +/* + * ======== dbll_write_fxn ======== + * Write memory function. Write "n" HOST bytes of memory to segment "mtype" + * starting at address "dsp_address" from the buffer "buf". The buffer is + * formatted as an array of words appropriate for the DSP. + */ +typedef s32(*dbll_write_fxn) (void *hdl, u32 dsp_address, void *buf, + u32 n, s32 mtype); + +/* + * ======== dbll_attrs ======== + */ +struct dbll_attrs { + dbll_alloc_fxn alloc; + dbll_free_fxn free; + void *rmm_handle; /* Handle to pass to alloc, free functions */ + dbll_write_fxn write; + void *input_params; /* Handle to pass to write, cinit function */ + bool base_image; + dbll_log_write_fxn log_write; + void *log_write_handle; + + /* Symbol matching function and handle to pass to it */ + dbll_sym_lookup sym_lookup; + void *sym_handle; + void *sym_arg; + + /* + * These file manipulation functions should be compatible with the + * "C" run time library functions of the same name. + */ + s32(*fread) (void *, size_t, size_t, void *); + s32(*fseek) (void *, long, int); + s32(*ftell) (void *); + s32(*fclose) (void *); + void *(*fopen) (const char *, const char *); +}; + +/* + * ======== dbll_close ======== + * Close library opened with dbll_open. + * Parameters: + * lib - Handle returned from dbll_open(). + * Returns: + * Requires: + * DBL initialized. + * Valid lib. + * Ensures: + */ +typedef void (*dbll_close_fxn) (struct dbll_library_obj *library); + +/* + * ======== dbll_create ======== + * Create a target object, specifying the alloc, free, and write functions. + * Parameters: + * target_obj - Location to store target handle on output. + * pattrs - Attributes. + * Returns: + * 0: Success. + * -ENOMEM: Memory allocation failed. + * Requires: + * DBL initialized. + * pattrs != NULL. + * target_obj != NULL; + * Ensures: + * Success: *target_obj != NULL. + * Failure: *target_obj == NULL. + */ +typedef int(*dbll_create_fxn) (struct dbll_tar_obj **target_obj, + struct dbll_attrs *attrs); + +/* + * ======== dbll_delete ======== + * Delete target object and free resources for any loaded libraries. + * Parameters: + * target - Handle returned from DBLL_Create(). + * Returns: + * Requires: + * DBL initialized. + * Valid target. + * Ensures: + */ +typedef void (*dbll_delete_fxn) (struct dbll_tar_obj *target); + +/* + * ======== dbll_exit ======== + * Discontinue use of DBL module. + * Parameters: + * Returns: + * Requires: + * refs > 0. + * Ensures: + * refs >= 0. + */ +typedef void (*dbll_exit_fxn) (void); + +/* + * ======== dbll_get_addr ======== + * Get address of name in the specified library. + * Parameters: + * lib - Handle returned from dbll_open(). + * name - Name of symbol + * sym_val - Location to store symbol address on output. + * Returns: + * TRUE: Success. + * FALSE: Symbol not found. + * Requires: + * DBL initialized. + * Valid library. + * name != NULL. + * sym_val != NULL. + * Ensures: + */ +typedef bool(*dbll_get_addr_fxn) (struct dbll_library_obj *lib, char *name, + struct dbll_sym_val **sym_val); + +/* + * ======== dbll_get_attrs ======== + * Retrieve the attributes of the target. + * Parameters: + * target - Handle returned from DBLL_Create(). + * pattrs - Location to store attributes on output. + * Returns: + * Requires: + * DBL initialized. + * Valid target. + * pattrs != NULL. + * Ensures: + */ +typedef void (*dbll_get_attrs_fxn) (struct dbll_tar_obj *target, + struct dbll_attrs *attrs); + +/* + * ======== dbll_get_c_addr ======== + * Get address of "C" name on the specified library. + * Parameters: + * lib - Handle returned from dbll_open(). + * name - Name of symbol + * sym_val - Location to store symbol address on output. + * Returns: + * TRUE: Success. + * FALSE: Symbol not found. + * Requires: + * DBL initialized. + * Valid target. + * name != NULL. + * sym_val != NULL. + * Ensures: + */ +typedef bool(*dbll_get_c_addr_fxn) (struct dbll_library_obj *lib, char *name, + struct dbll_sym_val **sym_val); + +/* + * ======== dbll_get_sect ======== + * Get address and size of a named section. + * Parameters: + * lib - Library handle returned from dbll_open(). + * name - Name of section. + * paddr - Location to store section address on output. + * psize - Location to store section size on output. + * Returns: + * 0: Success. + * -ENXIO: Section not found. + * Requires: + * DBL initialized. + * Valid lib. + * name != NULL. + * paddr != NULL; + * psize != NULL. + * Ensures: + */ +typedef int(*dbll_get_sect_fxn) (struct dbll_library_obj *lib, + char *name, u32 * addr, u32 * size); + +/* + * ======== dbll_init ======== + * Initialize DBL module. + * Parameters: + * Returns: + * TRUE: Success. + * FALSE: Failure. + * Requires: + * refs >= 0. + * Ensures: + * Success: refs > 0. + * Failure: refs >= 0. + */ +typedef bool(*dbll_init_fxn) (void); + +/* + * ======== dbll_load ======== + * Load library onto the target. + * + * Parameters: + * lib - Library handle returned from dbll_open(). + * flags - Load code, data and/or symbols. + * attrs - May contain alloc, free, and write function. + * entry_pt - Location to store program entry on output. + * Returns: + * 0: Success. + * -EBADF: File read failed. + * -EILSEQ: Failure in dynamic loader library. + * Requires: + * DBL initialized. + * Valid lib. + * entry != NULL. + * Ensures: + */ +typedef int(*dbll_load_fxn) (struct dbll_library_obj *lib, + dbll_flags flags, + struct dbll_attrs *attrs, u32 *entry); + +/* + * ======== dbll_load_sect ======== + * Load a named section from an library (for overlay support). + * Parameters: + * lib - Handle returned from dbll_open(). + * sec_name - Name of section to load. + * attrs - Contains write function and handle to pass to it. + * Returns: + * 0: Success. + * -ENXIO: Section not found. + * -ENOSYS: Function not implemented. + * Requires: + * Valid lib. + * sec_name != NULL. + * attrs != NULL. + * attrs->write != NULL. + * Ensures: + */ +typedef int(*dbll_load_sect_fxn) (struct dbll_library_obj *lib, + char *sz_sect_name, + struct dbll_attrs *attrs); + +/* + * ======== dbll_open ======== + * dbll_open() returns a library handle that can be used to load/unload + * the symbols/code/data via dbll_load()/dbll_unload(). + * Parameters: + * target - Handle returned from dbll_create(). + * file - Name of file to open. + * flags - If flags & DBLL_SYMB, load symbols. + * lib_obj - Location to store library handle on output. + * Returns: + * 0: Success. + * -ENOMEM: Memory allocation failure. + * -EBADF: File open/read failure. + * Unable to determine target type. + * Requires: + * DBL initialized. + * Valid target. + * file != NULL. + * lib_obj != NULL. + * dbll_attrs fopen function non-NULL. + * Ensures: + * Success: Valid *lib_obj. + * Failure: *lib_obj == NULL. + */ +typedef int(*dbll_open_fxn) (struct dbll_tar_obj *target, char *file, + dbll_flags flags, + struct dbll_library_obj **lib_obj); + +/* + * ======== dbll_read_sect ======== + * Read COFF section into a character buffer. + * Parameters: + * lib - Library handle returned from dbll_open(). + * name - Name of section. + * pbuf - Buffer to write section contents into. + * size - Buffer size + * Returns: + * 0: Success. + * -ENXIO: Named section does not exists. + * Requires: + * DBL initialized. + * Valid lib. + * name != NULL. + * pbuf != NULL. + * size != 0. + * Ensures: + */ +typedef int(*dbll_read_sect_fxn) (struct dbll_library_obj *lib, + char *name, char *content, + u32 cont_size); + +/* + * ======== dbll_set_attrs ======== + * Set the attributes of the target. + * Parameters: + * target - Handle returned from dbll_create(). + * pattrs - New attributes. + * Returns: + * Requires: + * DBL initialized. + * Valid target. + * pattrs != NULL. + * Ensures: + */ +typedef void (*dbll_set_attrs_fxn) (struct dbll_tar_obj *target, + struct dbll_attrs *attrs); + +/* + * ======== dbll_unload ======== + * Unload library loaded with dbll_load(). + * Parameters: + * lib - Handle returned from dbll_open(). + * attrs - Contains free() function and handle to pass to it. + * Returns: + * Requires: + * DBL initialized. + * Valid lib. + * Ensures: + */ +typedef void (*dbll_unload_fxn) (struct dbll_library_obj *library, + struct dbll_attrs *attrs); + +/* + * ======== dbll_unload_sect ======== + * Unload a named section from an library (for overlay support). + * Parameters: + * lib - Handle returned from dbll_open(). + * sec_name - Name of section to load. + * attrs - Contains free() function and handle to pass to it. + * Returns: + * 0: Success. + * -ENXIO: Named section not found. + * -ENOSYS + * Requires: + * DBL initialized. + * Valid lib. + * sec_name != NULL. + * Ensures: + */ +typedef int(*dbll_unload_sect_fxn) (struct dbll_library_obj *lib, + char *sz_sect_name, + struct dbll_attrs *attrs); + +struct dbll_fxns { + dbll_close_fxn close_fxn; + dbll_create_fxn create_fxn; + dbll_delete_fxn delete_fxn; + dbll_exit_fxn exit_fxn; + dbll_get_attrs_fxn get_attrs_fxn; + dbll_get_addr_fxn get_addr_fxn; + dbll_get_c_addr_fxn get_c_addr_fxn; + dbll_get_sect_fxn get_sect_fxn; + dbll_init_fxn init_fxn; + dbll_load_fxn load_fxn; + dbll_load_sect_fxn load_sect_fxn; + dbll_open_fxn open_fxn; + dbll_read_sect_fxn read_sect_fxn; + dbll_set_attrs_fxn set_attrs_fxn; + dbll_unload_fxn unload_fxn; + dbll_unload_sect_fxn unload_sect_fxn; +}; + +#endif /* DBLDEFS_ */ |