Subversion Repositories HelenOS-historic

Rev

Rev 534 | Go to most recent revision | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 534 Rev 881
Line 23... Line 23...
23 
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 23 
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 24 
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 25 
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 26 
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 
 */
 27 
 */
28 
 
 - 
 
29 
#include "main.h"
 - 
 
30 
 
 28 
 
- 
 
 29 
#include "main.h"
- 
 
 30 
#include "printf.h"
31 
ofw_entry ofw;
 31 
#include "ofw.h"
32 
 
 32 
 
33 
phandle ofw_chosen;
 - 
 
34 
ihandle ofw_stdout;
 - 
 
35 
 
 - 
 
36 
void init(void)
 33 
static void halt(void)
37 
{
 - 
 
38 
    ofw_chosen = ofw_find_device("/chosen");
 - 
 
39 
    if (ofw_chosen == -1)
 - 
 
40 
        ofw_call("exit", 0, 0);
 - 
 
41 
   
 - 
 
42 
    if (ofw_get_property(ofw_chosen, "stdout",  &ofw_stdout, sizeof(ofw_stdout)) <= 0) 
 - 
 
43 
        ofw_stdout = 0;
 - 
 
44 
}
 - 
 
45 
 
 - 
 
46 
int ofw_call(const char *service, const int nargs, const int nret, ...)
 - 
 
47 
{
 - 
 
48 
    va_list list;
 - 
 
49 
    ofw_args_t args;
 - 
 
50 
    int i;
 - 
 
51 
   
 - 
 
52 
    args.service = service;
 - 
 
53 
    args.nargs = nargs;
 - 
 
54 
    args.nret = nret;
 - 
 
55 
   
 - 
 
56 
    va_start(list, nret);
 - 
 
57 
    for (i = 0; i < nargs; i++)
 - 
 
58 
        args.args[i] = va_arg(list, ofw_arg_t);
 - 
 
59 
    va_end(list);
 - 
 
60 
   
 - 
 
61 
    for (i = 0; i < nret; i++)
 - 
 
62 
        args.args[i + nargs] = 0;
 - 
 
63 
   
 - 
 
64 
    ofw(&args);
 - 
 
65 
   
 - 
 
66 
    return args.args[nargs];
 - 
 
67 
}
 - 
 
68 
 
 - 
 
69 
void ofw_write(const char *str, const int len)
 - 
 
70 
{
 34 
{
71 
    if (ofw_stdout == 0)
 - 
 
72 
        return;
 35 
    while (1);
73 
   
 - 
 
74 
    ofw_call("write", 3, 1, ofw_stdout, str, len);
 - 
 
75 
}
 36 
}
76 
 
 37 
 
77 
void ofw_puts(const char *str)
 38 
void bootstrap(void)
78 
{
 39 
{
79 
    int len = 0;
 40 
    printf("\nHelenOS PPC Bootloader\nKernel size %d, load address %L\n", KERNEL_SIZE, KERNEL_LOAD_ADDRESS);
80 
   
 41 
   
- 
 
 42 
    void *addr = ofw_claim((void *) KERNEL_LOAD_ADDRESS, KERNEL_SIZE, 1);
81 
    while (str[len] != 0)
 43 
    if (addr == NULL) {
- 
 
 44 
        printf("Error: Unable to claim memory");
82 
        len++;
 45 
        halt();
- 
 
 46 
    }
83 
   
 47 
   
84 
    ofw_write(str, len);
 - 
 
85 
}
 - 
 
86 
 
 - 
 
87 
phandle ofw_find_device(const char *name)
 - 
 
88 
{
 - 
 
89 
    return ofw_call("finddevice", 1, 1, name);
 - 
 
90 
}
 - 
 
91 
 
 - 
 
92 
int ofw_get_property(const phandle device, const char *name, void *buf, const int buflen)
 - 
 
93 
{
 - 
 
94 
    return ofw_call("getprop", 4, 1, device, name, buf, buflen);
 - 
 
95 
}
 - 
 
96 
 
 - 
 
97 
void bootstrap(void)
 - 
 
98 
{
 - 
 
99 
    ofw_puts("\nHelenOS PPC Bootloader\n");
 - 
 
100 
 
 - 
 
101 
    while (1);
 48 
    halt();
102 
}
 49 
}