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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 | 28 | ||
29 | #include "main.h" |
29 | #include "main.h" |
30 | #include "printf.h" |
30 | #include "printf.h" |
31 | #include "ofw.h" |
- | |
32 | #include "asm.h" |
31 | #include "asm.h" |
33 | 32 | ||
34 | #define KERNEL_PHYSICAL_ADDRESS 0x1000 |
33 | #define KERNEL_PHYSICAL_ADDRESS 0x1000 |
35 | #define KERNEL_VIRTUAL_ADDRESS 0x80001000 |
34 | #define KERNEL_VIRTUAL_ADDRESS 0x80001000 |
36 | #define KERNEL_START &_binary_____________kernel_kernel_bin_start |
35 | #define KERNEL_START &_binary_____________kernel_kernel_bin_start |
37 | #define KERNEL_END &_binary_____________kernel_kernel_bin_end |
36 | #define KERNEL_END &_binary_____________kernel_kernel_bin_end |
38 | #define KERNEL_SIZE ((unsigned int) KERNEL_END - (unsigned int) KERNEL_START) |
37 | #define KERNEL_SIZE ((unsigned int) KERNEL_END - (unsigned int) KERNEL_START) |
39 | 38 | ||
- | 39 | memmap_t memmap; |
|
- | 40 | ||
40 | void bootstrap(void) |
41 | void bootstrap(void) |
41 | { |
42 | { |
42 | printf("\nHelenOS PPC Bootloader\n"); |
43 | printf("\nHelenOS PPC Bootloader\n"); |
43 | 44 | ||
44 | void *phys = ofw_translate(&start); |
45 | void *phys = ofw_translate(&start); |
45 | printf("loaded at %L (physical %L)\n", &start, phys); |
46 | printf("loaded at %L (physical %L)\n", &start, phys); |
46 | 47 | ||
- | 48 | if (!ofw_memmap(&memmap)) { |
|
- | 49 | printf("Unable to get memory map\n"); |
|
- | 50 | halt(); |
|
- | 51 | } |
|
- | 52 | printf("total memory %d MB\n", memmap.total >> 20); |
|
- | 53 | ||
47 | // FIXME: map just the kernel |
54 | // FIXME: map just the kernel |
48 | if (ofw_map((void *) KERNEL_PHYSICAL_ADDRESS, (void *) KERNEL_VIRTUAL_ADDRESS, 1024 * 1024, 0) != 0) { |
55 | if (ofw_map((void *) KERNEL_PHYSICAL_ADDRESS, (void *) KERNEL_VIRTUAL_ADDRESS, 1024 * 1024, 0) != 0) { |
49 | printf("Unable to map kernel memory at %L (physical %L)\n", KERNEL_VIRTUAL_ADDRESS, KERNEL_PHYSICAL_ADDRESS); |
56 | printf("Unable to map kernel memory at %L (physical %L)\n", KERNEL_VIRTUAL_ADDRESS, KERNEL_PHYSICAL_ADDRESS); |
50 | halt(); |
57 | halt(); |
51 | } |
58 | } |
Line 57... | Line 64... | ||
57 | ofw_map((void *) 0x84000000, (void *) 0x84000000, 2 * 1024 * 1024, 0); |
64 | ofw_map((void *) 0x84000000, (void *) 0x84000000, 2 * 1024 * 1024, 0); |
58 | 65 | ||
59 | printf("Booting the kernel...\n"); |
66 | printf("Booting the kernel...\n"); |
60 | 67 | ||
61 | flush_instruction_cache(); |
68 | flush_instruction_cache(); |
62 | jump_to_kernel((void *) KERNEL_VIRTUAL_ADDRESS); |
69 | jump_to_kernel((void *) KERNEL_VIRTUAL_ADDRESS, ofw_translate(&memmap)); |
63 | } |
70 | } |