_gpu_dxg_r4d_alloc4.nx source

1// _gpu_dxg_r4d_alloc4.nx -- SOVEREIGN-GPU R4d CONFIRM: the EXACT EXISTINGHEAP recipe from the open-source 2// dxgkio_create_allocation validation (WSL2-Linux-Kernel ioctl.c): 3// flags = standard_allocation(bit16,0x10000) | existing_sysmem(bit5,0x20) = 0x10020 4// priv_drv_data_size@40 = 0 ; alloc_count@44 = 1 5// standard_allocation@32 -> d3dkmt_createstandardallocation{ type=EXISTINGHEAP(1)@0, existing_heap.size@8 = 64KB (page-aligned, !=0) } 6// allocation_info@48 -> d3dddi_allocationinfo2{ sysmem@8 = page-aligned !=NULL (64KB), priv_drv_data_size@24 = 0 } 7// Expect ret=0 with a real allocation handle at entry@0. raw syscalls only. license_tier: ORIGINAL 8import "nx_syscalls.nx" 9 10const ENUM2_CODE: i64 = 0xC0104714 11const QAI_CODE: i64 = 0xC0184709 12const OAFL_CODE: i64 = 0xC00C4701 13const CDEV_CODE: i64 = 0xC0404702 14const CALLOC_CODE: i64 = 0xC0484706 15 16func p(s: *u8) -> i64 { var nn: i64=0; while s[nn]!=(0 as u8){nn=nn+1} sys_write(1,s,nn); return 0 } 17func n(v: i64) -> i64 { let bb: *u8=sys_mmap(28); var m: i64=v; if m<0{m=0-m;sys_write(1,"-" as *u8,1)}; let t: *u8=sys_mmap(28); var k: i64=0; if m==0{t[0]=48;k=1}; while m>0{t[k]=(48+(m%10)) as u8;m=m/10;k=k+1}; var i: i64=0; while i<k{bb[i]=t[k-1-i];i=i+1}; sys_write(1,bb,k); return 0 } 18func x(v: i64) -> i64 { p("0x" as *u8); let bb:*u8=sys_mmap(20); var k:i64=0; var m:i64=v; if m==0{bb[0]=48;k=1}; while m>0{ let d:i64=m&15; if d<10{bb[k]=(48+d) as u8}else{bb[k]=(87+d) as u8}; m=(m>>4); k=k+1 } var i:i64=0; let o:*u8=sys_mmap(20); while i<k{o[i]=bb[k-1-i];i=i+1} sys_write(1,o,k); return 0 } 19func rd32(buf: *u8, off: i64) -> i64 { return (buf[off] as i64)|((buf[off+1] as i64)<<8)|((buf[off+2] as i64)<<16)|((buf[off+3] as i64)<<24) } 20func rd64(buf: *u8, off: i64) -> i64 { let q: *i64 = (buf as i64 + off) as *i64; return q[0] } 21func setu32(buf: *u8, off: i64, val: i64) -> i64 { let w: *u8 = (buf as i64 + off) as *u8; w[0]=(val&0xff) as u8; w[1]=((val>>8)&0xff) as u8; w[2]=((val>>16)&0xff) as u8; w[3]=((val>>24)&0xff) as u8; return 0 } 22func setu64(buf: *u8, off: i64, val: i64) -> i64 { let q: *i64 = (buf as i64 + off) as *i64; q[0]=val; return 0 } 23 24func query_type(fd: i64, handle: i64, qtype: i64, psize: i64, outv: *i64) -> i64 { 25 let priv: *u8 = sys_mmap(64); var zz: i64 = 0; while zz < 64 { priv[zz] = 0 as u8; zz = zz + 1 } 26 let req: *u8 = sys_mmap(64); var y: i64 = 0; while y < 64 { req[y] = 0 as u8; y = y + 1 } 27 let h: *i64 = (req as i64 + 0) as *i64; h[0] = (handle & 0xffffffff) | ((qtype & 0xffffffff) << 32) 28 let pd: *i64 = (req as i64 + 8) as *i64; pd[0] = priv as i64 29 let pds: *i64 = (req as i64 + 16) as *i64; pds[0] = psize & 0xffffffff 30 let ret: i64 = sys_ioctl(fd, QAI_CODE, req as i64); outv[0] = rd32(priv, 0); return ret 31} 32func open_from_luid(fd: i64, luid_lo: i64, luid_hi: i64, outh: *i64) -> i64 { 33 let req: *u8 = sys_mmap(64); var y: i64 = 0; while y < 64 { req[y] = 0 as u8; y = y + 1 } 34 let lo: *i64 = (req as i64 + 0) as *i64; lo[0] = (luid_lo & 0xffffffff) | ((luid_hi & 0xffffffff) << 32) 35 let ret: i64 = sys_ioctl(fd, OAFL_CODE, req as i64); outh[0] = rd32(req, 8); return ret 36} 37func create_device(fd: i64, adapter: i64, outd: *i64) -> i64 { 38 let buf: *u8 = sys_mmap(512); var bz: i64 = 0; while bz < 512 { buf[bz] = 0 as u8; bz = bz + 1 } 39 setu32(buf, 0, adapter & 0xffffffff) 40 let ret: i64 = sys_ioctl(fd, CDEV_CODE, buf as i64); outd[0] = rd32(buf, 12); return ret 41} 42 43func main() -> i64 { 44 p("=== R4d CONFIRM: EXISTINGHEAP recipe flags=0x10020, priv_drv_data_size=0 ===\n" as *u8) 45 let fd: i64 = sys_openat_rd("/dev/dxg" as *u8) 46 if fd < 0 { p("open(/dev/dxg) failed\n" as *u8); sys_exit(1); return 1 } 47 let ainfo: *u8 = sys_mmap(4096); var z: i64 = 0; while z < 4096 { ainfo[z] = 0 as u8; z = z + 1 } 48 let ereq: *u8 = sys_mmap(64); ereq[0] = 8 as u8; let r8: *i64 = (ereq as i64 + 8) as *i64; r8[0] = ainfo as i64 49 sys_ioctl(fd, ENUM2_CODE, ereq as i64); let nc: i64 = rd32(ereq, 0) 50 let v: *i64 = sys_mmap(16); var disc_lo: i64 = 0; var disc_hi: i64 = 0 51 var ai: i64 = 0 52 while ai < nc { 53 let base: i64 = ai * 20; let eh: i64 = rd32(ainfo, base) 54 let qret: i64 = query_type(fd, eh, 15, 4, v); let t: i64 = v[0] 55 if qret == 0 { if ((t>>4)&1) == 1 { if ((t>>2)&1) == 0 { disc_lo = rd32(ainfo, base+4); disc_hi = rd32(ainfo, base+8) } } } 56 ai = ai + 1 57 } 58 let ah: *i64 = sys_mmap(16); open_from_luid(fd, disc_lo, disc_hi, ah) 59 let dh: *i64 = sys_mmap(16); create_device(fd, ah[0], dh); let device: i64 = dh[0] 60 p(" device=" as *u8); x(device); p("\n" as *u8) 61 62 // page-aligned 64KB existing heap memory. 63 let sysmem: *u8 = sys_mmap(65536); var sz: i64 = 0; while sz < 65536 { sysmem[sz] = 0 as u8; sz = sz + 1 } 64 let desc: *u8 = sys_mmap(64); var dz: i64 = 0; while dz < 64 { desc[dz] = 0 as u8; dz = dz + 1 } 65 setu32(desc, 0, 1); setu64(desc, 8, 65536) // EXISTINGHEAP, size 64KB 66 let entry: *u8 = sys_mmap(256); var ez: i64 = 0; while ez < 256 { entry[ez] = 0 as u8; ez = ez + 1 } 67 setu64(entry, 8, sysmem as i64) // sysmem @8 68 let buf: *u8 = sys_mmap(512); var bz: i64 = 0; while bz < 512 { buf[bz] = 0 as u8; bz = bz + 1 } 69 setu32(buf, 0, device & 0xffffffff) // device @0 70 setu64(buf, 32, desc as i64) // standard_allocation @32 71 setu32(buf, 40, 0) // priv_drv_data_size @40 = 0 (REQUIRED) 72 setu32(buf, 44, 1) // alloc_count @44 = 1 73 setu64(buf, 48, entry as i64) // allocation_info @48 74 setu32(buf, 56, 0x10020) // flags: standard_allocation | existing_sysmem 75 76 let ret: i64 = sys_ioctl(fd, CALLOC_CODE, buf as i64) 77 p(" CREATEALLOCATION ret=" as *u8); n(ret); p("\n" as *u8) 78 p(" entry.allocation@0=" as *u8); x(rd32(entry,0)); p(" gpu_va@40=" as *u8); x(rd64(entry,40)); p(" global.resource@4=" as *u8); x(rd32(buf,4)); p("\n" as *u8) 79 if ret == 0 { if rd32(entry,0) != 0 { p(" *** REAL GPU ALLOCATION ON THE 5080 ***\n" as *u8) } } 80 sys_close(fd) 81 p("=== R4d CONFIRM DONE ===\n" as *u8) 82 return 0 83}