| 25,78 → 25,25 |
|---|
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "main.h" |
| |
| ofw_entry ofw; |
| #include "main.h" |
| #include "printf.h" |
| #include "ofw.h" |
| |
| phandle ofw_chosen; |
| ihandle ofw_stdout; |
| |
| void init(void) |
| static void halt(void) |
| { |
| ofw_chosen = ofw_find_device("/chosen"); |
| if (ofw_chosen == -1) |
| ofw_call("exit", 0, 0); |
| |
| if (ofw_get_property(ofw_chosen, "stdout", &ofw_stdout, sizeof(ofw_stdout)) <= 0) |
| ofw_stdout = 0; |
| while (1); |
| } |
| |
| int ofw_call(const char *service, const int nargs, const int nret, ...) |
| void bootstrap(void) |
| { |
| va_list list; |
| ofw_args_t args; |
| int i; |
| printf("\nHelenOS PPC Bootloader\nKernel size %d, load address %L\n", KERNEL_SIZE, KERNEL_LOAD_ADDRESS); |
| |
| args.service = service; |
| args.nargs = nargs; |
| args.nret = nret; |
| void *addr = ofw_claim((void *) KERNEL_LOAD_ADDRESS, KERNEL_SIZE, 1); |
| if (addr == NULL) { |
| printf("Error: Unable to claim memory"); |
| halt(); |
| } |
| |
| va_start(list, nret); |
| for (i = 0; i < nargs; i++) |
| args.args[i] = va_arg(list, ofw_arg_t); |
| va_end(list); |
| |
| for (i = 0; i < nret; i++) |
| args.args[i + nargs] = 0; |
| |
| ofw(&args); |
| |
| return args.args[nargs]; |
| halt(); |
| } |
| |
| void ofw_write(const char *str, const int len) |
| { |
| if (ofw_stdout == 0) |
| return; |
| |
| ofw_call("write", 3, 1, ofw_stdout, str, len); |
| } |
| |
| void ofw_puts(const char *str) |
| { |
| int len = 0; |
| |
| while (str[len] != 0) |
| len++; |
| |
| ofw_write(str, len); |
| } |
| |
| phandle ofw_find_device(const char *name) |
| { |
| return ofw_call("finddevice", 1, 1, name); |
| } |
| |
| int ofw_get_property(const phandle device, const char *name, void *buf, const int buflen) |
| { |
| return ofw_call("getprop", 4, 1, device, name, buf, buflen); |
| } |
| |
| void bootstrap(void) |
| { |
| ofw_puts("\nHelenOS PPC Bootloader\n"); |
| |
| while (1); |
| } |