Changes in kernel/arch/sparc64/src/mm/sun4v/frame.c [b781cb29:720db0c] in mainline
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kernel/arch/sparc64/src/mm/sun4v/frame.c
rb781cb29 r720db0c 47 47 void frame_arch_init(void) 48 48 { 49 unsigned int i;50 pfn_t confdata;51 52 49 if (config.cpu_active == 1) { 50 unsigned int i; 51 53 52 for (i = 0; i < memmap.cnt; i++) { 54 uintptr_t start = (uintptr_t) memmap.zones[i].start; 55 size_t size = memmap.zones[i].size; 56 53 /* To be safe, make the available zone possibly smaller */ 54 uintptr_t new_start = ALIGN_UP((uintptr_t) memmap.zones[i].start, 55 FRAME_SIZE); 56 size_t new_size = ALIGN_DOWN(memmap.zones[i].size - 57 (new_start - ((uintptr_t) memmap.zones[i].start)), FRAME_SIZE); 58 57 59 /* 58 60 * The memmap is created by HelenOS boot loader. 59 61 * It already contains no holes. 60 62 */ 61 62 confdata = ADDR2PFN(start); 63 64 pfn_t confdata = ADDR2PFN(new_start); 65 63 66 if (confdata == ADDR2PFN(KA2PA(PFN2ADDR(0)))) 64 67 confdata = ADDR2PFN(KA2PA(PFN2ADDR(2))); 65 zone_create(ADDR2PFN(start),66 SIZE2FRAMES(ALIGN_DOWN(size, FRAME_SIZE)),68 69 zone_create(ADDR2PFN(new_start), SIZE2FRAMES(new_size), 67 70 confdata, 0); 68 71 } 69 72 70 73 /* 71 74 * On sparc64, physical memory can start on a non-zero address.
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