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27 | */ |
27 | */ |
28 | 28 | ||
29 | #include "main.h" |
29 | #include "main.h" |
30 | #include "printf.h" |
30 | #include "printf.h" |
31 | #include "ofw.h" |
31 | #include "ofw.h" |
- | 32 | #include "asm.h" |
|
32 | 33 | ||
33 | #define KERNEL_LOAD_ADDRESS 0x800000 |
34 | #define KERNEL_LOAD_ADDRESS 0x800000 |
34 | #define KERNEL_SIZE ((unsigned int) &_binary_____________kernel_kernel_bin_end - (unsigned int) &_binary_____________kernel_kernel_bin_start) |
35 | #define KERNEL_START &_binary_____________kernel_kernel_bin_start |
35 | - | ||
36 | static void halt(void) |
36 | #define KERNEL_END &_binary_____________kernel_kernel_bin_end |
37 | { |
- | |
38 | while (1); |
37 | #define KERNEL_SIZE ((unsigned int) KERNEL_END - (unsigned int) KERNEL_START) |
39 | } |
- | |
40 | 38 | ||
41 | void bootstrap(void) |
39 | void bootstrap(void) |
42 | { |
40 | { |
43 | printf("\nHelenOS PPC Bootloader\nKernel size %d bytes, load address %L\n", KERNEL_SIZE, KERNEL_LOAD_ADDRESS); |
41 | printf("\nHelenOS PPC Bootloader\nKernel size %d bytes, load address %L\n", KERNEL_SIZE, KERNEL_LOAD_ADDRESS); |
44 | 42 | ||
45 | void *addr = ofw_claim((void *) KERNEL_LOAD_ADDRESS, KERNEL_SIZE, 1); |
43 | void *addr = ofw_claim((void *) KERNEL_LOAD_ADDRESS, KERNEL_SIZE, 1); |
46 | if (addr == NULL) { |
44 | if (addr == NULL) { |
47 | printf("Error: Unable to claim memory"); |
45 | printf("Error: Unable to claim memory"); |
48 | halt(); |
46 | halt(); |
49 | } |
47 | } |
- | 48 | memcpy(addr, KERNEL_START, KERNEL_SIZE); |
|
50 | 49 | ||
- | 50 | printf("Booting the kernel...\n"); |
|
51 | halt(); |
51 | jump_to_kernel(addr); |
52 | } |
52 | } |