of1275.c
上传用户:lgb322
上传日期:2013-02-24
资源大小:30529k
文件大小:7k
- /*
- * BK Id: SCCS/s.of1275.c 1.6 05/18/01 15:16:42 cort
- */
- /* Open Firmware Client Interface */
- #include "of1275.h"
- static int (*of_server)(void *) = (int(*)(void*))-1;
- void
- of_init(void *handler)
- {
- of_server = (int(*)(void*))handler;
- }
- /* 6.3.2.1 Client interface */
- int
- of_test(const char *name, int *missing)
- {
- int result;
- static of_test_service s;
- s.service = "test";
- s.n_args = 1;
- s.n_returns = 1;
- s.name = name;
- result = of_server(&s);
- *missing = s.missing;
- return result;
- }
- /* 6.3.2.2 Device tree */
- int
- of_peer(int phandle, int *sibling_phandle)
- {
- int result;
- static of_peer_service s;
- s.service = "peer";
- s.n_args = 1;
- s.n_returns = 1;
- s.phandle = phandle;
- result = of_server(&s);
- *sibling_phandle = s.sibling_phandle;
- return result;
- }
- int
- of_child(int phandle, int *child_phandle)
- {
- int result;
- static of_child_service s;
- s.service = "child";
- s.n_args = 1;
- s.n_returns = 1;
- s.phandle = phandle;
- result = of_server(&s);
- *child_phandle = s.child_phandle;
- return result;
- }
- int
- of_parent(int phandle, int *parent_phandle)
- {
- int result;
- static of_parent_service s;
- s.service = "parent";
- s.n_args = 1;
- s.n_returns = 1;
- s.phandle = phandle;
- result = of_server(&s);
- *parent_phandle = s.parent_phandle;
- return result;
- }
- int
- of_instance_to_package(int ihandle, int *phandle)
- {
- int result;
- static of_instance_to_package_service s;
- s.service = "instance-to-package";
- s.n_args = 1;
- s.n_returns = 1;
- s.ihandle = ihandle;
- result = of_server(&s);
- *phandle = s.phandle;
- return result;
- }
- int
- of_getproplen(int phandle, const char *name, int *proplen)
- {
- int result;
- static of_getproplen_service s;
- s.service = "getproplen";
- s.n_args = 2;
- s.n_returns = 1;
- s.phandle = phandle;
- s.name = name;
- result = of_server(&s);
- *proplen = s.proplen;
- return result;
- }
- int
- of_getprop(int phandle, const char *name, void *buf, int buflen, int *size)
- {
- int result;
- static of_getprop_service s;
- s.service = "getprop";
- s.n_args = 4;
- s.n_returns = 1;
- s.phandle = phandle;
- s.name = name;
- s.buf = buf;
- s.buflen = buflen;
- result = of_server(&s);
- *size = s.size;
- return result;
- }
- int
- of_nextprop(int phandle, const char *previous, void *buf, int *flag)
- {
- int result;
- static of_nextprop_service s;
- s.service = "nextprop";
- s.n_args = 3;
- s.n_returns = 1;
- s.phandle = phandle;
- s.previous = previous;
- s.buf = buf;
- result = of_server(&s);
- *flag = s.flag;
- return result;
- }
- int
- of_setprop(int phandle, const char *name, void *buf, int len, int *size)
- {
- int result;
- static of_setprop_service s;
- s.service = "setprop";
- s.n_args = 4;
- s.n_returns = 1;
- s.phandle = phandle;
- s.name = name;
- s.buf = buf;
- s.len = len;
- result = of_server(&s);
- *size = s.size;
- return result;
- }
- int
- of_canon(const char *device_specifier, void *buf, int buflen, int *length)
- {
- int result;
- static of_canon_service s;
- s.service = "canon";
- s.n_args = 3;
- s.n_returns = 1;
- s.device_specifier = device_specifier;
- s.buf = buf;
- s.buflen = buflen;
- result = of_server(&s);
- *length = s.length;
- return result;
- }
- int
- of_finddevice(const char *device_specifier, int *phandle)
- {
- int result;
- static of_finddevice_service s;
- s.service = "finddevice";
- s.n_args = 1;
- s.n_returns = 1;
- s.device_specifier = device_specifier;
- result = of_server(&s);
- *phandle = s.phandle;
- return result;
- }
- int
- of_instance_to_path(int ihandle, void *buf, int buflen, int *length)
- {
- int result;
- static of_instance_to_path_service s;
- s.service = "instance-to-path";
- s.n_args = 3;
- s.n_returns = 1;
- s.ihandle = ihandle;
- s.buf = buf;
- s.buflen = buflen;
- result = of_server(&s);
- *length = s.length;
- return result;
- }
- int
- of_package_to_path(int phandle, void *buf, int buflen, int *length)
- {
- int result;
- static of_package_to_path_service s;
- s.service = "package-to-path";
- s.n_args = 3;
- s.n_returns = 1;
- s.phandle = phandle;
- s.buf = buf;
- s.buflen = buflen;
- result = of_server(&s);
- *length = s.length;
- return result;
- }
- /* int of_call_method(const char *method, int ihandle, ...); */
- /* 6.3.2.3 Device I/O */
- int
- of_open(const char *device_specifier, int *ihandle)
- {
- int result;
- static of_open_service s;
- s.service = "open";
- s.n_args = 1;
- s.n_returns = 1;
- s.device_specifier = device_specifier;
- result = of_server(&s);
- *ihandle = s.ihandle;
- return result;
- }
- int
- of_close(int ihandle)
- {
- int result;
- static of_close_service s;
- s.service = "close";
- s.n_args = 1;
- s.n_returns = 0;
- s.ihandle = ihandle;
- result = of_server(&s);
- return result;
- }
- int
- of_read(int ihandle, void *addr, int len, int *actual)
- {
- int result;
- static of_read_service s;
- s.service = "read";
- s.n_args = 3;
- s.n_returns = 1;
- s.ihandle = ihandle;
- s.addr = addr;
- s.len = len;
- result = of_server(&s);
- *actual = s.actual;
- return result;
- }
- int
- of_write(int ihandle, void *addr, int len, int *actual)
- {
- int result;
- static of_write_service s;
- s.service = "write";
- s.n_args = 3;
- s.n_returns = 1;
- s.ihandle = ihandle;
- s.addr = addr;
- s.len = len;
- result = of_server(&s);
- *actual = s.actual;
- return result;
- }
- int
- of_seek(int ihandle, int pos_hi, int pos_lo, int *status)
- {
- int result;
- static of_seek_service s;
- s.service = "seek";
- s.n_args = 3;
- s.n_returns = 1;
- s.ihandle = ihandle;
- s.pos_hi = pos_hi;
- s.pos_lo = pos_lo;
- result = of_server(&s);
- *status = s.status;
- return result;
- }
- /* 6.3.2.4 Memory */
- int
- of_claim(void *virt, int size, int align, void **baseaddr)
- {
- int result;
- static of_claim_service s;
- s.service = "claim";
- s.n_args = 3;
- s.n_returns = 1;
- s.virt = virt;
- s.size = size;
- s.align = align;
- result = of_server(&s);
- *baseaddr = s.baseaddr;
- return result;
- }
- int
- of_release(void *virt, int size)
- {
- int result;
- static of_release_service s;
- s.service = "release";
- s.n_args = 2;
- s.n_returns = 0;
- s.virt = virt;
- s.size = size;
- result = of_server(&s);
- return result;
- }
- /* 6.3.2.5 Control transfer */
- int
- of_boot(const char *bootspec)
- {
- int result;
- static of_boot_service s;
- s.service = "boot";
- s.n_args = 1;
- s.n_returns = 0;
- s.bootspec = bootspec;
- result = of_server(&s);
- return result;
- }
- int
- of_enter(void)
- {
- int result;
- static of_enter_service s;
- s.service = "enter";
- s.n_args = 0;
- s.n_returns = 0;
- result = of_server(&s);
- return result;
- }
- int
- of_exit(void)
- {
- int result;
- static of_exit_service s;
- s.service = "exit";
- s.n_args = 0;
- s.n_returns = 0;
- result = of_server(&s);
- return result;
- }
- /* int of_chain(void *virt, int size, void *entry, void *args, int len); */
- /* 6.3.2.6 User interface */
- /* int of_interpret(const char *arg, ...); */
- int
- of_set_callback(void *newfunc, void **oldfunc)
- {
- int result;
- static of_set_callback_service s;
- s.service = "set-callback";
- s.n_args = 1;
- s.n_returns = 1;
- s.newfunc = newfunc;
- result = of_server(&s);
- *oldfunc = s.oldfunc;
- return result;
- }
- int
- of_set_symbol_lookup(void *sym_to_value, void *value_to_sym)
- {
- int result;
- static of_set_symbol_lookup_service s;
- s.service = "set-symbol-lookup";
- s.n_args = 2;
- s.n_returns = 0;
- s.sym_to_value = sym_to_value;
- s.value_to_sym = s.value_to_sym;
- result = of_server(&s);
- return result;
- }
- /* 6.3.2.7 Time */
- int
- of_milliseconds(int *ms)
- {
- int result;
- static of_milliseconds_service s;
- s.service = "milliseconds";
- s.n_args = 0;
- s.n_returns = 1;
- result = of_server(&s);
- *ms = s.ms;
- return result;
- }