int
command_memmap(int argc, char **argv)
{
ofw_memmap(acells);
return (CMD_OK);
}
void bootstrap(void)
{
version_print();
ofw_memmap(&bootinfo.memmap);
void *bootinfo_pa = ofw_translate(&bootinfo);
void *real_mode_pa = ofw_translate(&real_mode);
void *loader_address_pa = ofw_translate((void *) LOADER_ADDRESS);
printf("\nMemory statistics (total %llu MB)\n", bootinfo.memmap.total >> 20);
printf(" %p|%p: real mode trampoline\n", &real_mode, real_mode_pa);
printf(" %p|%p: boot info structure\n", &bootinfo, bootinfo_pa);
printf(" %p|%p: kernel entry point\n",
(void *) PA2KA(BOOT_OFFSET), (void *) BOOT_OFFSET);
printf(" %p|%p: loader entry point\n",
(void *) LOADER_ADDRESS, loader_address_pa);
size_t i;
for (i = 0; i < COMPONENTS; i++)
printf(" %p|%p: %s image (%zu/%zu bytes)\n", components[i].start,
ofw_translate(components[i].start), components[i].name,
components[i].inflated, components[i].size);
size_t dest[COMPONENTS];
size_t top = 0;
size_t cnt = 0;
bootinfo.taskmap.cnt = 0;
for (i = 0; i < min(COMPONENTS, TASKMAP_MAX_RECORDS); i++) {
top = ALIGN_UP(top, PAGE_SIZE);
if (i > 0) {
bootinfo.taskmap.tasks[bootinfo.taskmap.cnt].addr =
(void *) PA2KA(top);
bootinfo.taskmap.tasks[bootinfo.taskmap.cnt].size =
components[i].inflated;
str_cpy(bootinfo.taskmap.tasks[bootinfo.taskmap.cnt].name,
BOOTINFO_TASK_NAME_BUFLEN, components[i].name);
bootinfo.taskmap.cnt++;
}
dest[i] = top;
top += components[i].inflated;
cnt++;
}
void *balloc_base;
void *balloc_base_pa;
ofw_alloc("boot allocator area", &balloc_base, &balloc_base_pa,
BALLOC_MAX_SIZE, loader_address_pa);
printf(" %p|%p: boot allocator area\n", balloc_base, balloc_base_pa);
void *inflate_base;
void *inflate_base_pa;
ofw_alloc("inflate area", &inflate_base, &inflate_base_pa, top,
loader_address_pa);
printf(" %p|%p: inflate area\n", inflate_base, inflate_base_pa);
uintptr_t balloc_start = ALIGN_UP(top, PAGE_SIZE);
size_t pages = (balloc_start + ALIGN_UP(BALLOC_MAX_SIZE, PAGE_SIZE))
>> PAGE_WIDTH;
void *transtable;
void *transtable_pa;
ofw_alloc("translate table", &transtable, &transtable_pa,
pages * sizeof(void *), loader_address_pa);
printf(" %p|%p: translate table\n", transtable, transtable_pa);
check_overlap("boot allocator area", balloc_base_pa, pages);
check_overlap("inflate area", inflate_base_pa, pages);
check_overlap("translate table", transtable_pa, pages);
printf("\nInflating components ... ");
for (i = cnt; i > 0; i--) {
printf("%s ", components[i - 1].name);
int err = inflate(components[i - 1].start, components[i - 1].size,
inflate_base + dest[i - 1], components[i - 1].inflated);
if (err != EOK) {
printf("\n%s: Inflating error %d, halting.\n",
components[i - 1].name, err);
halt();
}
}
printf(".\n");
printf("Setting up boot allocator ...\n");
balloc_init(&bootinfo.ballocs, balloc_base, PA2KA(balloc_start),
BALLOC_MAX_SIZE);
printf("Setting up screens ...\n");
ofw_setup_screens();
printf("Canonizing OpenFirmware device tree ...\n");
bootinfo.ofw_root = ofw_tree_build();
printf("Setting up translate table ...\n");
for (i = 0; i < pages; i++) {
uintptr_t off = i << PAGE_WIDTH;
void *phys;
if (off < balloc_start)
phys = ofw_translate(inflate_base + off);
else
phys = ofw_translate(balloc_base + off - balloc_start);
((void **) transtable)[i] = phys;
}
printf("Booting the kernel...\n");
jump_to_kernel(bootinfo_pa, transtable_pa, pages, real_mode_pa);
}
