status_t
arch_vm_init_end(kernel_args *args)
{
// Throw away all mappings that are unused by the kernel
vm_free_unused_boot_loader_range(KERNEL_LOAD_BASE, KERNEL_SIZE);
return B_OK;
}
status_t
arch_vm_init_end(kernel_args *args)
{
TRACE(("arch_vm_init_end(): %lu virtual ranges to keep:\n",
args->arch_args.num_virtual_ranges_to_keep));
for (int i = 0; i < (int)args->arch_args.num_virtual_ranges_to_keep; i++) {
addr_range &range = args->arch_args.virtual_ranges_to_keep[i];
TRACE((" start: %p, size: 0x%lx\n", (void*)range.start, range.size));
#if 0
// skip ranges outside the kernel address space
if (!IS_KERNEL_ADDRESS(range.start)) {
TRACE((" no kernel address, skipping...\n"));
continue;
}
phys_addr_t physicalAddress;
void *address = (void*)range.start;
if (vm_get_page_mapping(VMAddressSpace::KernelID(), range.start,
&physicalAddress) != B_OK)
panic("arch_vm_init_end(): No page mapping for %p\n", address);
area_id area = vm_map_physical_memory(VMAddressSpace::KernelID(),
"boot loader reserved area", &address,
B_EXACT_ADDRESS, range.size,
B_KERNEL_READ_AREA | B_KERNEL_WRITE_AREA,
physicalAddress, true);
if (area < 0) {
panic("arch_vm_init_end(): Failed to create area for boot loader "
"reserved area: %p - %p\n", (void*)range.start,
(void*)(range.start + range.size));
}
#endif
}
#if 0
// Throw away any address space mappings we've inherited from the boot
// loader and have not yet turned into an area.
vm_free_unused_boot_loader_range(0, 0xffffffff - B_PAGE_SIZE + 1);
#endif
return B_OK;
}
status_t
arch_vm_init_end(kernel_args *args)
{
#if 0
TRACE(("arch_vm_init_end(): %lu virtual ranges to keep:\n",
args->arch_args.num_virtual_ranges_to_keep));
for (int i = 0; i < (int)args->arch_args.num_virtual_ranges_to_keep; i++) {
addr_range &range = args->arch_args.virtual_ranges_to_keep[i];
TRACE((" start: %p, size: 0x%lx\n", (void*)range.start, range.size));
// skip ranges outside the kernel address space
if (!IS_KERNEL_ADDRESS(range.start)) {
TRACE((" no kernel address, skipping...\n"));
continue;
}
void *address = (void*)range.start;
area_id area = create_area("boot loader reserved area", &address,
B_EXACT_ADDRESS, range.size, B_ALREADY_WIRED,
B_KERNEL_READ_AREA | B_KERNEL_WRITE_AREA);
if (area < 0) {
panic("arch_vm_init_end(): Failed to create area for boot loader "
"reserved area: %p - %p\n", (void*)range.start,
(void*)(range.start + range.size));
}
}
// Throw away any address space mappings we've inherited from the boot
// loader and have not yet turned into an area.
vm_free_unused_boot_loader_range(0, 0xffffffff - B_PAGE_SIZE + 1);
#endif
#warning M68K: unset TT0 now
return B_OK;
}
