void setup_arch(void) {
setup_memory_map();
finish_e820_parsing();
max_pfn = e820_end_of_ram_pfn();
/* preallocate 4k for mptable mpc */
/*
early_reserve_e820_mpc_new();
*/
/* update e820 for memory not covered by WB MTRRs */
/*
mtrr_bp_init();
if (mtrr_trim_uncached_memory(max_pfn)) {
max_pfn = e820_end_of_ram_pfn();
}
*/
/* max_low_pfn get updated here */
find_low_pfn_range();
printk(KERN_DEBUG "initial memory mapped : 0 - %08lx\n",
max_pfn_mapped<<PAGE_SHIFT);
max_low_pfn_mapped = init_memory_mapping(0, max_low_pfn<<PAGE_SHIFT);
max_pfn_mapped = max_low_pfn_mapped;
initmem_init(0, max_pfn);
}
void setup_misc(void)
{
extern const uint32_t mboot_info;
struct multiboot_info *pmboot_info = (void *)((uintptr_t)mboot_info);
setup_memory_map(pmboot_info);
setup_cmdline(pmboot_info);
}
int main()
{
write_string("z88dk Multi8 bootstrap starting\n");
setup_memory_map();
if ( tape_load() == 0 ) {
start();
} else {
reset_memory_map();
write_string("Loading failed\n");
}
}