http://www.ousob.com --- Legacy Redefined OuSob - File: /wwwroot/clipx/usr/include/asm-i386/mach-voyager/setup_arch_post.h

/* Hook for machine specific memory setup. * * This is included late in kernel/setup.c so that it can make use of all of * the static functions. */ static char * __init machine_specific_memory_setup(void) { char *who; who = "NOT VOYAGER"; if(voyager_level == 5) { __u32 addr, length; int i; who = "Voyager-SUS"; e820.nr_map = 0; for(i=0; voyager_memory_detect(i, &addr, &length); i++) { add_memory_region(addr, length, E820_RAM); } return who; } else if(voyager_level == 4) { __u32 tom; __u16 catbase = inb(VOYAGER_SSPB_RELOCATION_PORT)<<8; /* select the DINO config space */ outb(VOYAGER_DINO, VOYAGER_CAT_CONFIG_PORT); /* Read DINO top of memory register */ tom = ((inb(catbase + 0x4) & 0xf0) << 16) + ((inb(catbase + 0x5) & 0x7f) << 24); if(inb(catbase) != VOYAGER_DINO) { printk(KERN_ERR "Voyager: Failed to get DINO for L4, setting tom to EXT_MEM_K\n"); tom = (EXT_MEM_K)<<10; } who = "Voyager-TOM"; add_memory_region(0, 0x9f000, E820_RAM); /* map from 1M to top of memory */ add_memory_region(1*1024*1024, tom - 1*1024*1024, E820_RAM); /* FIXME: Should check the ASICs to see if I need to * take out the 8M window. Just do it at the moment * */ add_memory_region(8*1024*1024, 8*1024*1024, E820_RESERVED); return who; } who = "BIOS-e820"; /* * Try to copy the BIOS-supplied E820-map. * * Otherwise fake a memory map; one section from 0k->640k, * the next section from 1mb->appropriate_mem_k */ sanitize_e820_map(E820_MAP, &E820_MAP_NR); if (copy_e820_map(E820_MAP, E820_MAP_NR) < 0) { unsigned long mem_size; /* compare results from other methods and take the greater */ if (ALT_MEM_K < EXT_MEM_K) { mem_size = EXT_MEM_K; who = "BIOS-88"; } else { mem_size = ALT_MEM_K; who = "BIOS-e801"; } e820.nr_map = 0; add_memory_region(0, LOWMEMSIZE(), E820_RAM); add_memory_region(HIGH_MEMORY, mem_size << 10, E820_RAM); } return who; }