/* * efi gpt partition tables */#include <u.h>#include <libc.h>#include <flate.h>#include <efi.h> typedef struct{	uchar	sig[8];	uchar	rev[4];	uchar	hsize[4];	uchar	hcrc[4];	uchar	reserved[4];	uchar	lba[8];	uchar	altlba[8];	uchar	start[8];	uchar	end[8];	uchar	guid[16];	uchar	plba[8];	uchar	np[4];	uchar	psize[4];		// we say ≡ 128.	uchar	pcrc[4];}Gpt; /*HFS [Plus]	48465300-0000-11AA-AA11-00306543ECAC	Apple_HFSUFS	55465300-0000-11AA-AA11-00306543ECAC	Apple_UFSBoot	426F6F74-0000-11AA-AA11-00306543ECAC	Apple_BootRAID	52414944-0000-11AA-AA11-00306543ECAC	Apple_RAIDOffline RAID	52414944-5F4F-11AA-AA11-00306543ECAC	Apple_RAID_OfflineLabel	4C616265-6C00-11AA-AA11-00306543ECAC	Apple_Label*/ uchar p9partguid[16] = {	'P', 'l', 'a', 'n', ' ', '9', 1, 0x80,	0x80, 1, 0, 0, 0, 0, 0, 0}; typedef struct{	}Gentry; static ulong *crctab;static voidinitcrc(void){	if(crctab)		return;	crctab = mkcrctab(0xedb88320);	if(crctab == 0)			sysfatal("malloc");} voidcrcgpt(Gpt *g){	static ulong *tab; 	initcrc();	memset(g->hcrc, 0, sizeof g->hcrc);	g->hcrc = blockcrc(tab, 0, g, sizeof *g);} Gpt*initgpt(Gpt *g){	memset(g, 0, sizeof *g); 	memcpy(g->sig, "EFI PART", 8);	pbit32(g->rev, 0x00010000);	pbit32(g->hsize, sizeof *g);	efigid(g->guid);	pbit32(g->psize, 128); 	return g;}